diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml index d165f58d..8adbedb4 100644 --- a/.github/workflows/build.yaml +++ b/.github/workflows/build.yaml @@ -16,9 +16,9 @@ jobs: with: fetch-depth: 1 - name: Install Go - uses: actions/setup-go@v2 + uses: actions/setup-go@v5.0.0 with: - go-version: 1.21.x + go-version: 1.22.x - name: test run: make test diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml index c3768efa..9405acba 100644 --- a/.github/workflows/publish.yaml +++ b/.github/workflows/publish.yaml @@ -13,13 +13,13 @@ jobs: with: fetch-depth: 1 - name: Install Go - uses: actions/setup-go@v2 + uses: actions/setup-go@v5.0.0 with: - go-version: 1.21.x + go-version: 1.22.x - name: Make publish run: make publish - name: Upload release binaries - uses: alexellis/upload-assets@0.4.0 + uses: alexellis/upload-assets@0.4.1 env: GITHUB_TOKEN: ${{ github.token }} with: diff --git a/.github/workflows/verify-images.yaml b/.github/workflows/verify-images.yaml index c7929b75..dd5e327a 100644 --- a/.github/workflows/verify-images.yaml +++ b/.github/workflows/verify-images.yaml @@ -11,7 +11,7 @@ jobs: steps: - uses: actions/checkout@master - - uses: alexellis/setup-arkade@v2 + - uses: alexellis/setup-arkade@v3 - name: Verify chart images id: verify_images run: | diff --git a/README.md b/README.md index 3dfb01b8..8e60ffa4 100644 --- a/README.md +++ b/README.md @@ -29,18 +29,18 @@ Use-cases and tutorials: Additional resources: -* The official handbook - [Serverless For Everyone Else](https://gumroad.com/l/serverless-for-everyone-else) +* The official handbook - [Serverless For Everyone Else](https://openfaas.gumroad.com/l/serverless-for-everyone-else) * For reference: [OpenFaaS docs](https://docs.openfaas.com) * For use-cases and tutorials: [OpenFaaS blog](https://openfaas.com/blog/) * For self-paced learning: [OpenFaaS workshop](https://github.com/openfaas/workshop/) ### About faasd -* faasd is a static Golang binary +* faasd is a single static Golang binary, which runs on Linux with systemd * uses the same core components and ecosystem of OpenFaaS * uses containerd for its runtime and CNI for networking -* is multi-arch, so works on Intel `x86_64` and ARM out the box -* can run almost any other stateful container through its `docker-compose.yaml` file +* is multi-arch, so works on Intel `x86_64` and Arm out the box +* runs stateful containers through its `docker-compose.yaml` file like Grafana, MongoDB, InfluxDB, or Postgres, etc Most importantly, it's easy to manage so you can set it up and leave it alone to run your functions. @@ -54,10 +54,12 @@ Watch the video: [faasd walk-through with cloud-init and Multipass](https://www. * faasd - itself, and its [faas-provider](https://github.com/openfaas/faas-provider) for containerd - CRUD for functions and services, implements the OpenFaaS REST API * [Prometheus](https://github.com/prometheus/prometheus) - for monitoring of services, metrics, scaling and dashboards -* [OpenFaaS Gateway](https://github.com/openfaas/faas/tree/master/gateway) - the UI portal, CLI, and other OpenFaaS tooling can talk to this. -* [OpenFaaS queue-worker for NATS](https://github.com/openfaas/nats-queue-worker) - run your invocations in the background without adding any code. See also: [asynchronous invocations](https://docs.openfaas.com/reference/triggers/#async-nats-streaming) +* [OpenFaaS CE Gateway](https://github.com/openfaas/faas/tree/master/gateway) - the UI portal, CLI, and other OpenFaaS tooling can talk to this. +* [OpenFaaS CE queue-worker for NATS Streaming](https://github.com/openfaas/nats-queue-worker) - run your invocations in the background without adding any code. See also: [asynchronous invocations](https://docs.openfaas.com/reference/triggers/#async-nats-streaming) * [NATS](https://nats.io) for asynchronous processing and queues +> By default faasd comes with the Community Edition (CE) components, but if you like, you can purchase a license to upgrade to OpenFaaS Standard with scale to zero and rich support for async use-cases through the JetStream queue worker. + faasd relies on industry-standard tools for running containers: * [CNI](https://github.com/containernetworking/plugins) @@ -83,11 +85,11 @@ You can learn more about supported OpenFaaS features in the [ROADMAP.md](/docs/R The faasd project is MIT licensed and open source, and you will find some documentation, blog posts and videos for free. -However, "Serverless For Everyone Else" is the official handbook and was written to contribute funds towards the upkeep and maintenance of the project. +["Serverless For Everyone Else"](https://openfaas.gumroad.com/l/serverless-for-everyone-else) is the official handbook and was written to contribute funds towards the upkeep and maintenance of the project. ### The official handbook and docs for faasd - + You'll learn how to deploy code in any language, lift and shift Dockerfiles, run requests in queues, write background jobs and to integrate with databases. faasd packages the same code as OpenFaaS, so you get built-in metrics for your HTTP endpoints, a user-friendly CLI, pre-packaged functions and templates from the store and a UI. @@ -114,7 +116,7 @@ Topics include: View sample pages, reviews and testimonials on Gumroad: -["Serverless For Everyone Else"](https://gumroad.com/l/serverless-for-everyone-else) +["Serverless For Everyone Else"](https://openfaas.gumroad.com/l/serverless-for-everyone-else) ### Deploy faasd diff --git a/cmd/root.go b/cmd/root.go index 286b25ac..b5e44711 100644 --- a/cmd/root.go +++ b/cmd/root.go @@ -51,7 +51,7 @@ faasd - Serverless For Everyone Else Learn how to build, secure, and monitor functions with faasd with the eBook: -https://gumroad.com/l/serverless-for-everyone-else +https://openfaas.gumroad.com/l/serverless-for-everyone-else `, RunE: runRootCommand, SilenceUsage: true, diff --git a/docs/PATCHES.md b/docs/PATCHES.md index 7f07376b..47030002 100644 --- a/docs/PATCHES.md +++ b/docs/PATCHES.md @@ -84,5 +84,5 @@ See the testing instructions on the PR and run through those steps. Post your results on GitHub to assist the creator of the pull request. -You can see how to get the logs for various components using the [eBook Serverless For Everyone Else](https://gumroad.com/l/serverless-for-everyone-else), or by consulting the [DEV.md](/docs/DEV.md) guide. +You can see how to get the logs for various components using the [eBook Serverless For Everyone Else](https://openfaas.gumroad.com/l/serverless-for-everyone-else), or by consulting the [DEV.md](/docs/DEV.md) guide. diff --git a/go.mod b/go.mod index fd0f0e6c..e159e30f 100644 --- a/go.mod +++ b/go.mod @@ -3,7 +3,7 @@ module github.com/openfaas/faasd go 1.21 require ( - github.com/alexellis/arkade v0.0.0-20240315144638-acb1bd999ac8 + github.com/alexellis/arkade v0.0.0-20240320084407-6cf4a641c415 github.com/compose-spec/compose-go v0.0.0-20200528042322-36d8ce368e05 github.com/containerd/containerd v1.7.0 github.com/containerd/go-cni v1.1.9 @@ -80,10 +80,10 @@ require ( github.com/opencontainers/runc v1.1.12 // indirect github.com/opencontainers/selinux v1.11.0 // indirect github.com/otiai10/copy v1.14.0 // indirect - github.com/prometheus/client_golang v1.18.0 // indirect - github.com/prometheus/client_model v0.5.0 // indirect - github.com/prometheus/common v0.45.0 // indirect - github.com/prometheus/procfs v0.12.0 // indirect + github.com/prometheus/client_golang v1.19.0 // indirect + github.com/prometheus/client_model v0.6.0 // indirect + github.com/prometheus/common v0.51.1 // indirect + github.com/prometheus/procfs v0.13.0 // indirect github.com/rivo/uniseg v0.4.4 // indirect github.com/sirupsen/logrus v1.9.3 // indirect github.com/vbatts/tar-split v0.11.5 // indirect diff --git a/go.sum b/go.sum index a7696705..6bcabb1e 100644 --- a/go.sum +++ b/go.sum @@ -16,6 +16,8 @@ github.com/alexellis/arkade v0.0.0-20240124171646-67314ef9f9c3 h1:JoyZaLGeoRWsJI github.com/alexellis/arkade v0.0.0-20240124171646-67314ef9f9c3/go.mod h1:Uqijd3uJORh9Q9MxCeER7IynU8kuXkCTnkLvFwr3XNE= github.com/alexellis/arkade v0.0.0-20240315144638-acb1bd999ac8 h1:e1tdmytMtXycabpumDRN5/24AXyzJRY9yUwZ0IsMSdo= github.com/alexellis/arkade v0.0.0-20240315144638-acb1bd999ac8/go.mod h1:3sT9Gq9WUFG9Wwz9dFbRRc/2L3yepsA4p272aG2DR6w= +github.com/alexellis/arkade v0.0.0-20240320084407-6cf4a641c415 h1:mLD1eSfXbmXcwKMP1AsFl01G2U16aC9E22Tcjehyyrw= +github.com/alexellis/arkade v0.0.0-20240320084407-6cf4a641c415/go.mod h1:3sT9Gq9WUFG9Wwz9dFbRRc/2L3yepsA4p272aG2DR6w= github.com/alexellis/go-execute/v2 v2.2.1 h1:4Ye3jiCKQarstODOEmqDSRCqxMHLkC92Bhse743RdOI= github.com/alexellis/go-execute/v2 v2.2.1/go.mod h1:FMdRnUTiFAmYXcv23txrp3VYZfLo24nMpiIneWgKHTQ= github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= @@ -220,14 +222,23 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= github.com/prometheus/client_golang v1.18.0 h1:HzFfmkOzH5Q8L8G+kSJKUx5dtG87sewO+FoDDqP5Tbk= github.com/prometheus/client_golang v1.18.0/go.mod h1:T+GXkCk5wSJyOqMIzVgvvjFDlkOQntgjkJWKrN5txjA= +github.com/prometheus/client_golang v1.19.0 h1:ygXvpU1AoN1MhdzckN+PyD9QJOSD4x7kmXYlnfbA6JU= +github.com/prometheus/client_golang v1.19.0/go.mod h1:ZRM9uEAypZakd+q/x7+gmsvXdURP+DABIEIjnmDdp+k= github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/prometheus/client_model v0.5.0 h1:VQw1hfvPvk3Uv6Qf29VrPF32JB6rtbgI6cYPYQjL0Qw= github.com/prometheus/client_model v0.5.0/go.mod h1:dTiFglRmd66nLR9Pv9f0mZi7B7fk5Pm3gvsjB5tr+kI= +github.com/prometheus/client_model v0.6.0 h1:k1v3CzpSRUTrKMppY35TLwPvxHqBu0bYgxZzqGIgaos= +github.com/prometheus/client_model v0.6.0/go.mod h1:NTQHnmxFpouOD0DpvP4XujX3CdOAGQPoaGhyTchlyt8= github.com/prometheus/common v0.45.0 h1:2BGz0eBc2hdMDLnO/8n0jeB3oPrt2D08CekT0lneoxM= github.com/prometheus/common v0.45.0/go.mod h1:YJmSTw9BoKxJplESWWxlbyttQR4uaEcGyv9MZjVOJsY= +github.com/prometheus/common v0.48.0/go.mod h1:0/KsvlIEfPQCQ5I2iNSAWKPZziNCvRs5EC6ILDTlAPc= +github.com/prometheus/common v0.51.1 h1:eIjN50Bwglz6a/c3hAgSMcofL3nD+nFQkV6Dd4DsQCw= +github.com/prometheus/common v0.51.1/go.mod h1:lrWtQx+iDfn2mbH5GUzlH9TSHyfZpHkSiG1W7y3sF2Q= github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA= github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo= github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo= +github.com/prometheus/procfs v0.13.0 h1:GqzLlQyfsPbaEHaQkO7tbDlriv/4o5Hudv6OXHGKX7o= +github.com/prometheus/procfs v0.13.0/go.mod h1:cd4PFCR54QLnGKPaKGA6l+cfuNXtht43ZKY6tow0Y1g= github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc= github.com/rivo/uniseg v0.4.4 h1:8TfxU8dW6PdqD27gjM8MVNuicgxIjxpm4K7x4jp8sis= github.com/rivo/uniseg v0.4.4/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88= diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE deleted file mode 100644 index 8dada3ed..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/LICENSE +++ /dev/null @@ -1,201 +0,0 @@ - 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Definitions. - - "License" shall mean the terms and conditions for use, reproduction, - and distribution as defined by Sections 1 through 9 of this document. - - "Licensor" shall mean the copyright owner or entity authorized by - the copyright owner that is granting the License. - - "Legal Entity" shall mean the union of the acting entity and all - other entities that control, are controlled by, or are under common - control with that entity. For the purposes of this definition, - "control" means (i) the power, direct or indirect, to cause the - direction or management of such entity, whether by contract or - otherwise, or (ii) ownership of fifty percent (50%) or more of the - outstanding shares, or (iii) beneficial ownership of such entity. - - "You" (or "Your") shall mean an individual or Legal Entity - exercising permissions granted by this License. - - "Source" form shall mean the preferred form for making modifications, - including but not limited to software source code, documentation - source, and configuration files. - - "Object" form shall mean any form resulting from mechanical - transformation or translation of a Source form, including but - not limited to compiled object code, generated documentation, - and conversions to other media types. - - "Work" shall mean the work of authorship, whether in Source or - Object form, made available under the License, as indicated by a - copyright notice that is included in or attached to the work - (an example is provided in the Appendix below). - - "Derivative Works" shall mean any work, whether in Source or Object - form, that is based on (or derived from) the Work and for which the - editorial revisions, annotations, elaborations, or other modifications - represent, as a whole, an original work of authorship. For the purposes - of this License, Derivative Works shall not include works that remain - separable from, or merely link (or bind by name) to the interfaces of, - the Work and Derivative Works thereof. - - "Contribution" shall mean any work of authorship, including - the original version of the Work and any modifications or additions - to that Work or Derivative Works thereof, that is intentionally - submitted to Licensor for inclusion in the Work by the copyright owner - or by an individual or Legal Entity authorized to submit on behalf of - the copyright owner. For the purposes of this definition, "submitted" - means any form of electronic, verbal, or written communication sent - to the Licensor or its representatives, including but not limited to - communication on electronic mailing lists, source code control systems, - and issue tracking systems that are managed by, or on behalf of, the - Licensor for the purpose of discussing and improving the Work, but - excluding communication that is conspicuously marked or otherwise - designated in writing by the copyright owner as "Not a Contribution." - - "Contributor" shall mean Licensor and any individual or Legal Entity - on behalf of whom a Contribution has been received by Licensor and - subsequently incorporated within the Work. - - 2. Grant of Copyright License. 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If You - institute patent litigation against any entity (including a - cross-claim or counterclaim in a lawsuit) alleging that the Work - or a Contribution incorporated within the Work constitutes direct - or contributory patent infringement, then any patent licenses - granted to You under this License for that Work shall terminate - as of the date such litigation is filed. - - 4. Redistribution. You may reproduce and distribute copies of the - Work or Derivative Works thereof in any medium, with or without - modifications, and in Source or Object form, provided that You - meet the following conditions: - - (a) You must give any other recipients of the Work or - Derivative Works a copy of this License; and - - (b) You must cause any modified files to carry prominent notices - stating that You changed the files; and - - (c) You must retain, in the Source form of any Derivative Works - that You distribute, all copyright, patent, trademark, and - attribution notices from the Source form of the Work, - excluding those notices that do not pertain to any part of - the Derivative Works; and - - (d) If the Work includes a "NOTICE" text file as part of its - distribution, then any Derivative Works that You distribute must - include a readable copy of the attribution notices contained - within such NOTICE file, excluding those notices that do not - pertain to any part of the Derivative Works, in at least one - of the following places: within a NOTICE text file distributed - as part of the Derivative Works; within the Source form or - documentation, if provided along with the Derivative Works; or, - within a display generated by the Derivative Works, if and - wherever such third-party notices normally appear. The contents - of the NOTICE file are for informational purposes only and - do not modify the License. You may add Your own attribution - notices within Derivative Works that You distribute, alongside - or as an addendum to the NOTICE text from the Work, provided - that such additional attribution notices cannot be construed - as modifying the License. - - You may add Your own copyright statement to Your modifications and - may provide additional or different license terms and conditions - for use, reproduction, or distribution of Your modifications, or - for any such Derivative Works as a whole, provided Your use, - reproduction, and distribution of the Work otherwise complies with - the conditions stated in this License. - - 5. Submission of Contributions. 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In no event and under no legal theory, - whether in tort (including negligence), contract, or otherwise, - unless required by applicable law (such as deliberate and grossly - negligent acts) or agreed to in writing, shall any Contributor be - liable to You for damages, including any direct, indirect, special, - incidental, or consequential damages of any character arising as a - result of this License or out of the use or inability to use the - Work (including but not limited to damages for loss of goodwill, - work stoppage, computer failure or malfunction, or any and all - other commercial damages or losses), even if such Contributor - has been advised of the possibility of such damages. - - 9. Accepting Warranty or Additional Liability. While redistributing - the Work or Derivative Works thereof, You may choose to offer, - and charge a fee for, acceptance of support, warranty, indemnity, - or other liability obligations and/or rights consistent with this - License. However, in accepting such obligations, You may act only - on Your own behalf and on Your sole responsibility, not on behalf - of any other Contributor, and only if You agree to indemnify, - defend, and hold each Contributor harmless for any liability - incurred by, or claims asserted against, such Contributor by reason - of your accepting any such warranty or additional liability. - - END OF TERMS AND CONDITIONS - - APPENDIX: How to apply the Apache License to your work. - - To apply the Apache License to your work, attach the following - boilerplate notice, with the fields enclosed by brackets "{}" - replaced with your own identifying information. (Don't include - the brackets!) The text should be enclosed in the appropriate - comment syntax for the file format. We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright {yyyy} {name of copyright owner} - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE deleted file mode 100644 index 5d8cb5b7..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/NOTICE +++ /dev/null @@ -1 +0,0 @@ -Copyright 2012 Matt T. Proud (matt.proud@gmail.com) diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore deleted file mode 100644 index e16fb946..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/.gitignore +++ /dev/null @@ -1 +0,0 @@ -cover.dat diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile deleted file mode 100644 index 81be2143..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -all: - -cover: - go test -cover -v -coverprofile=cover.dat ./... - go tool cover -func cover.dat - -.PHONY: cover diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go deleted file mode 100644 index 7c08e564..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/decode.go +++ /dev/null @@ -1,81 +0,0 @@ -// Copyright 2013 Matt T. Proud -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package pbutil - -import ( - "encoding/binary" - "errors" - "io" - - "google.golang.org/protobuf/proto" -) - -// TODO: Give error package name prefix in next minor release. -var errInvalidVarint = errors.New("invalid varint32 encountered") - -// ReadDelimited decodes a message from the provided length-delimited stream, -// where the length is encoded as 32-bit varint prefix to the message body. -// It returns the total number of bytes read and any applicable error. This is -// roughly equivalent to the companion Java API's -// MessageLite#parseDelimitedFrom. As per the reader contract, this function -// calls r.Read repeatedly as required until exactly one message including its -// prefix is read and decoded (or an error has occurred). The function never -// reads more bytes from the stream than required. The function never returns -// an error if a message has been read and decoded correctly, even if the end -// of the stream has been reached in doing so. In that case, any subsequent -// calls return (0, io.EOF). -func ReadDelimited(r io.Reader, m proto.Message) (n int, err error) { - // TODO: Consider allowing the caller to specify a decode buffer in the - // next major version. - - // TODO: Consider using error wrapping to annotate error state in pass- - // through cases in the next minor version. - - // Per AbstractParser#parsePartialDelimitedFrom with - // CodedInputStream#readRawVarint32. - var headerBuf [binary.MaxVarintLen32]byte - var bytesRead, varIntBytes int - var messageLength uint64 - for varIntBytes == 0 { // i.e. no varint has been decoded yet. - if bytesRead >= len(headerBuf) { - return bytesRead, errInvalidVarint - } - // We have to read byte by byte here to avoid reading more bytes - // than required. Each read byte is appended to what we have - // read before. - newBytesRead, err := r.Read(headerBuf[bytesRead : bytesRead+1]) - if newBytesRead == 0 { - if err != nil { - return bytesRead, err - } - // A Reader should not return (0, nil); but if it does, it should - // be treated as no-op according to the Reader contract. - continue - } - bytesRead += newBytesRead - // Now present everything read so far to the varint decoder and - // see if a varint can be decoded already. - messageLength, varIntBytes = binary.Uvarint(headerBuf[:bytesRead]) - } - - messageBuf := make([]byte, messageLength) - newBytesRead, err := io.ReadFull(r, messageBuf) - bytesRead += newBytesRead - if err != nil { - return bytesRead, err - } - - return bytesRead, proto.Unmarshal(messageBuf, m) -} diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go deleted file mode 100644 index c318385c..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/doc.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright 2013 Matt T. Proud -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// Package pbutil provides record length-delimited Protocol Buffer streaming. -package pbutil diff --git a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go b/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go deleted file mode 100644 index e58dd9d2..00000000 --- a/vendor/github.com/matttproud/golang_protobuf_extensions/v2/pbutil/encode.go +++ /dev/null @@ -1,49 +0,0 @@ -// Copyright 2013 Matt T. Proud -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package pbutil - -import ( - "encoding/binary" - "io" - - "google.golang.org/protobuf/proto" -) - -// WriteDelimited encodes and dumps a message to the provided writer prefixed -// with a 32-bit varint indicating the length of the encoded message, producing -// a length-delimited record stream, which can be used to chain together -// encoded messages of the same type together in a file. It returns the total -// number of bytes written and any applicable error. This is roughly -// equivalent to the companion Java API's MessageLite#writeDelimitedTo. -func WriteDelimited(w io.Writer, m proto.Message) (n int, err error) { - // TODO: Consider allowing the caller to specify an encode buffer in the - // next major version. - - buffer, err := proto.Marshal(m) - if err != nil { - return 0, err - } - - var buf [binary.MaxVarintLen32]byte - encodedLength := binary.PutUvarint(buf[:], uint64(len(buffer))) - - sync, err := w.Write(buf[:encodedLength]) - if err != nil { - return sync, err - } - - n, err = w.Write(buffer) - return n + sync, err -} diff --git a/vendor/github.com/prometheus/client_model/go/metrics.pb.go b/vendor/github.com/prometheus/client_model/go/metrics.pb.go index cee360db..2f154907 100644 --- a/vendor/github.com/prometheus/client_model/go/metrics.pb.go +++ b/vendor/github.com/prometheus/client_model/go/metrics.pb.go @@ -483,6 +483,8 @@ type Histogram struct { // histograms. PositiveDelta []int64 `protobuf:"zigzag64,13,rep,name=positive_delta,json=positiveDelta" json:"positive_delta,omitempty"` // Count delta of each bucket compared to previous one (or to zero for 1st bucket). PositiveCount []float64 `protobuf:"fixed64,14,rep,name=positive_count,json=positiveCount" json:"positive_count,omitempty"` // Absolute count of each bucket. + // Only used for native histograms. These exemplars MUST have a timestamp. + Exemplars []*Exemplar `protobuf:"bytes,16,rep,name=exemplars" json:"exemplars,omitempty"` } func (x *Histogram) Reset() { @@ -622,6 +624,13 @@ func (x *Histogram) GetPositiveCount() []float64 { return nil } +func (x *Histogram) GetExemplars() []*Exemplar { + if x != nil { + return x.Exemplars + } + return nil +} + // A Bucket of a conventional histogram, each of which is treated as // an individual counter-like time series by Prometheus. type Bucket struct { @@ -923,6 +932,7 @@ type MetricFamily struct { Help *string `protobuf:"bytes,2,opt,name=help" json:"help,omitempty"` Type *MetricType `protobuf:"varint,3,opt,name=type,enum=io.prometheus.client.MetricType" json:"type,omitempty"` Metric []*Metric `protobuf:"bytes,4,rep,name=metric" json:"metric,omitempty"` + Unit *string `protobuf:"bytes,5,opt,name=unit" json:"unit,omitempty"` } func (x *MetricFamily) Reset() { @@ -985,6 +995,13 @@ func (x *MetricFamily) GetMetric() []*Metric { return nil } +func (x *MetricFamily) GetUnit() string { + if x != nil && x.Unit != nil { + return *x.Unit + } + return "" +} + var File_io_prometheus_client_metrics_proto protoreflect.FileDescriptor var file_io_prometheus_client_metrics_proto_rawDesc = []byte{ @@ -1028,7 +1045,7 @@ var file_io_prometheus_client_metrics_proto_rawDesc = []byte{ 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52, 0x10, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x22, 0x1f, 0x0a, 0x07, 0x55, 0x6e, 0x74, 0x79, 0x70, 0x65, 0x64, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x01, 0x20, - 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10, // 8: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar - 1, // 9: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair - 13, // 10: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp - 1, // 11: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair - 2, // 12: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge - 3, // 13: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter - 5, // 14: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary - 6, // 15: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped - 7, // 16: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram - 0, // 17: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType - 11, // 18: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric - 19, // [19:19] is the sub-list for method output_type - 19, // [19:19] is the sub-list for method input_type - 19, // [19:19] is the sub-list for extension type_name - 19, // [19:19] is the sub-list for extension extendee - 0, // [0:19] is the sub-list for field type_name + 10, // 8: io.prometheus.client.Histogram.exemplars:type_name -> io.prometheus.client.Exemplar + 10, // 9: io.prometheus.client.Bucket.exemplar:type_name -> io.prometheus.client.Exemplar + 1, // 10: io.prometheus.client.Exemplar.label:type_name -> io.prometheus.client.LabelPair + 13, // 11: io.prometheus.client.Exemplar.timestamp:type_name -> google.protobuf.Timestamp + 1, // 12: io.prometheus.client.Metric.label:type_name -> io.prometheus.client.LabelPair + 2, // 13: io.prometheus.client.Metric.gauge:type_name -> io.prometheus.client.Gauge + 3, // 14: io.prometheus.client.Metric.counter:type_name -> io.prometheus.client.Counter + 5, // 15: io.prometheus.client.Metric.summary:type_name -> io.prometheus.client.Summary + 6, // 16: io.prometheus.client.Metric.untyped:type_name -> io.prometheus.client.Untyped + 7, // 17: io.prometheus.client.Metric.histogram:type_name -> io.prometheus.client.Histogram + 0, // 18: io.prometheus.client.MetricFamily.type:type_name -> io.prometheus.client.MetricType + 11, // 19: io.prometheus.client.MetricFamily.metric:type_name -> io.prometheus.client.Metric + 20, // [20:20] is the sub-list for method output_type + 20, // [20:20] is the sub-list for method input_type + 20, // [20:20] is the sub-list for extension type_name + 20, // [20:20] is the sub-list for extension extendee + 0, // [0:20] is the sub-list for field type_name } func init() { file_io_prometheus_client_metrics_proto_init() } diff --git a/vendor/github.com/prometheus/common/expfmt/decode.go b/vendor/github.com/prometheus/common/expfmt/decode.go index 0ca86a3d..b2b89b01 100644 --- a/vendor/github.com/prometheus/common/expfmt/decode.go +++ b/vendor/github.com/prometheus/common/expfmt/decode.go @@ -14,6 +14,7 @@ package expfmt import ( + "bufio" "fmt" "io" "math" @@ -21,8 +22,8 @@ import ( "net/http" dto "github.com/prometheus/client_model/go" + "google.golang.org/protobuf/encoding/protodelim" - "github.com/matttproud/golang_protobuf_extensions/v2/pbutil" "github.com/prometheus/common/model" ) @@ -44,7 +45,7 @@ func ResponseFormat(h http.Header) Format { mediatype, params, err := mime.ParseMediaType(ct) if err != nil { - return FmtUnknown + return fmtUnknown } const textType = "text/plain" @@ -52,28 +53,28 @@ func ResponseFormat(h http.Header) Format { switch mediatype { case ProtoType: if p, ok := params["proto"]; ok && p != ProtoProtocol { - return FmtUnknown + return fmtUnknown } if e, ok := params["encoding"]; ok && e != "delimited" { - return FmtUnknown + return fmtUnknown } - return FmtProtoDelim + return fmtProtoDelim case textType: if v, ok := params["version"]; ok && v != TextVersion { - return FmtUnknown + return fmtUnknown } - return FmtText + return fmtText } - return FmtUnknown + return fmtUnknown } // NewDecoder returns a new decoder based on the given input format. // If the input format does not imply otherwise, a text format decoder is returned. func NewDecoder(r io.Reader, format Format) Decoder { - switch format { - case FmtProtoDelim: + switch format.FormatType() { + case TypeProtoDelim: return &protoDecoder{r: r} } return &textDecoder{r: r} @@ -86,8 +87,10 @@ type protoDecoder struct { // Decode implements the Decoder interface. func (d *protoDecoder) Decode(v *dto.MetricFamily) error { - _, err := pbutil.ReadDelimited(d.r, v) - if err != nil { + opts := protodelim.UnmarshalOptions{ + MaxSize: -1, + } + if err := opts.UnmarshalFrom(bufio.NewReader(d.r), v); err != nil { return err } if !model.IsValidMetricName(model.LabelValue(v.GetName())) { diff --git a/vendor/github.com/prometheus/common/expfmt/encode.go b/vendor/github.com/prometheus/common/expfmt/encode.go index ca214060..7f6cbe7d 100644 --- a/vendor/github.com/prometheus/common/expfmt/encode.go +++ b/vendor/github.com/prometheus/common/expfmt/encode.go @@ -18,10 +18,12 @@ import ( "io" "net/http" - "github.com/matttproud/golang_protobuf_extensions/v2/pbutil" - "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg" + "google.golang.org/protobuf/encoding/protodelim" "google.golang.org/protobuf/encoding/prototext" + "github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg" + "github.com/prometheus/common/model" + dto "github.com/prometheus/client_model/go" ) @@ -60,23 +62,32 @@ func (ec encoderCloser) Close() error { // as the support is still experimental. To include the option to negotiate // FmtOpenMetrics, use NegotiateOpenMetrics. func Negotiate(h http.Header) Format { + escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String()))) for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) { + if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" { + switch Format(escapeParam) { + case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues: + escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam)) + default: + // If the escaping parameter is unknown, ignore it. + } + } ver := ac.Params["version"] if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { switch ac.Params["encoding"] { case "delimited": - return FmtProtoDelim + return fmtProtoDelim + escapingScheme case "text": - return FmtProtoText + return fmtProtoText + escapingScheme case "compact-text": - return FmtProtoCompact + return fmtProtoCompact + escapingScheme } } if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { - return FmtText + return fmtText + escapingScheme } } - return FmtText + return fmtText + escapingScheme } // NegotiateIncludingOpenMetrics works like Negotiate but includes @@ -84,29 +95,40 @@ func Negotiate(h http.Header) Format { // temporary and will disappear once FmtOpenMetrics is fully supported and as // such may be negotiated by the normal Negotiate function. func NegotiateIncludingOpenMetrics(h http.Header) Format { + escapingScheme := Format(fmt.Sprintf("; escaping=%s", Format(model.NameEscapingScheme.String()))) for _, ac := range goautoneg.ParseAccept(h.Get(hdrAccept)) { + if escapeParam := ac.Params[model.EscapingKey]; escapeParam != "" { + switch Format(escapeParam) { + case model.AllowUTF8, model.EscapeUnderscores, model.EscapeDots, model.EscapeValues: + escapingScheme = Format(fmt.Sprintf("; escaping=%s", escapeParam)) + default: + // If the escaping parameter is unknown, ignore it. + } + } ver := ac.Params["version"] if ac.Type+"/"+ac.SubType == ProtoType && ac.Params["proto"] == ProtoProtocol { switch ac.Params["encoding"] { case "delimited": - return FmtProtoDelim + return fmtProtoDelim + escapingScheme case "text": - return FmtProtoText + return fmtProtoText + escapingScheme case "compact-text": - return FmtProtoCompact + return fmtProtoCompact + escapingScheme } } if ac.Type == "text" && ac.SubType == "plain" && (ver == TextVersion || ver == "") { - return FmtText + return fmtText + escapingScheme } if ac.Type+"/"+ac.SubType == OpenMetricsType && (ver == OpenMetricsVersion_0_0_1 || ver == OpenMetricsVersion_1_0_0 || ver == "") { - if ver == OpenMetricsVersion_1_0_0 { - return FmtOpenMetrics_1_0_0 + switch ver { + case OpenMetricsVersion_1_0_0: + return fmtOpenMetrics_1_0_0 + escapingScheme + default: + return fmtOpenMetrics_0_0_1 + escapingScheme } - return FmtOpenMetrics_0_0_1 } } - return FmtText + return fmtText + escapingScheme } // NewEncoder returns a new encoder based on content type negotiation. All @@ -115,44 +137,54 @@ func NegotiateIncludingOpenMetrics(h http.Header) Format { // for FmtOpenMetrics, but a future (breaking) release will add the Close method // to the Encoder interface directly. The current version of the Encoder // interface is kept for backwards compatibility. -func NewEncoder(w io.Writer, format Format) Encoder { - switch format { - case FmtProtoDelim: +// In cases where the Format does not allow for UTF-8 names, the global +// NameEscapingScheme will be applied. +// +// NewEncoder can be called with additional options to customize the OpenMetrics text output. +// For example: +// NewEncoder(w, FmtOpenMetrics_1_0_0, WithCreatedLines()) +// +// Extra options are ignored for all other formats. +func NewEncoder(w io.Writer, format Format, options ...EncoderOption) Encoder { + escapingScheme := format.ToEscapingScheme() + + switch format.FormatType() { + case TypeProtoDelim: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := pbutil.WriteDelimited(w, v) + _, err := protodelim.MarshalTo(w, v) return err }, close: func() error { return nil }, } - case FmtProtoCompact: + case TypeProtoCompact: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := fmt.Fprintln(w, v.String()) + _, err := fmt.Fprintln(w, model.EscapeMetricFamily(v, escapingScheme).String()) return err }, close: func() error { return nil }, } - case FmtProtoText: + case TypeProtoText: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := fmt.Fprintln(w, prototext.Format(v)) + _, err := fmt.Fprintln(w, prototext.Format(model.EscapeMetricFamily(v, escapingScheme))) return err }, close: func() error { return nil }, } - case FmtText: + case TypeTextPlain: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := MetricFamilyToText(w, v) + _, err := MetricFamilyToText(w, model.EscapeMetricFamily(v, escapingScheme)) return err }, close: func() error { return nil }, } - case FmtOpenMetrics_0_0_1, FmtOpenMetrics_1_0_0: + case TypeOpenMetrics: return encoderCloser{ encode: func(v *dto.MetricFamily) error { - _, err := MetricFamilyToOpenMetrics(w, v) + _, err := MetricFamilyToOpenMetrics(w, model.EscapeMetricFamily(v, escapingScheme), options...) return err }, close: func() error { diff --git a/vendor/github.com/prometheus/common/expfmt/expfmt.go b/vendor/github.com/prometheus/common/expfmt/expfmt.go index c4cb20f0..051b38cd 100644 --- a/vendor/github.com/prometheus/common/expfmt/expfmt.go +++ b/vendor/github.com/prometheus/common/expfmt/expfmt.go @@ -14,30 +14,164 @@ // Package expfmt contains tools for reading and writing Prometheus metrics. package expfmt +import ( + "fmt" + "strings" + + "github.com/prometheus/common/model" +) + // Format specifies the HTTP content type of the different wire protocols. type Format string -// Constants to assemble the Content-Type values for the different wire protocols. +// Constants to assemble the Content-Type values for the different wire +// protocols. The Content-Type strings here are all for the legacy exposition +// formats, where valid characters for metric names and label names are limited. +// Support for arbitrary UTF-8 characters in those names is already partially +// implemented in this module (see model.ValidationScheme), but to actually use +// it on the wire, new content-type strings will have to be agreed upon and +// added here. const ( TextVersion = "0.0.4" ProtoType = `application/vnd.google.protobuf` ProtoProtocol = `io.prometheus.client.MetricFamily` - ProtoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" + protoFmt = ProtoType + "; proto=" + ProtoProtocol + ";" OpenMetricsType = `application/openmetrics-text` OpenMetricsVersion_0_0_1 = "0.0.1" OpenMetricsVersion_1_0_0 = "1.0.0" - // The Content-Type values for the different wire protocols. - FmtUnknown Format = `` - FmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` - FmtProtoDelim Format = ProtoFmt + ` encoding=delimited` - FmtProtoText Format = ProtoFmt + ` encoding=text` - FmtProtoCompact Format = ProtoFmt + ` encoding=compact-text` - FmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` - FmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` + // The Content-Type values for the different wire protocols. Note that these + // values are now unexported. If code was relying on comparisons to these + // constants, instead use FormatType(). + fmtUnknown Format = `` + fmtText Format = `text/plain; version=` + TextVersion + `; charset=utf-8` + fmtProtoDelim Format = protoFmt + ` encoding=delimited` + fmtProtoText Format = protoFmt + ` encoding=text` + fmtProtoCompact Format = protoFmt + ` encoding=compact-text` + fmtOpenMetrics_1_0_0 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_1_0_0 + `; charset=utf-8` + fmtOpenMetrics_0_0_1 Format = OpenMetricsType + `; version=` + OpenMetricsVersion_0_0_1 + `; charset=utf-8` ) const ( hdrContentType = "Content-Type" hdrAccept = "Accept" ) + +// FormatType is a Go enum representing the overall category for the given +// Format. As the number of Format permutations increases, doing basic string +// comparisons are not feasible, so this enum captures the most useful +// high-level attribute of the Format string. +type FormatType int + +const ( + TypeUnknown FormatType = iota + TypeProtoCompact + TypeProtoDelim + TypeProtoText + TypeTextPlain + TypeOpenMetrics +) + +// NewFormat generates a new Format from the type provided. Mostly used for +// tests, most Formats should be generated as part of content negotiation in +// encode.go. If a type has more than one version, the latest version will be +// returned. +func NewFormat(t FormatType) Format { + switch t { + case TypeProtoCompact: + return fmtProtoCompact + case TypeProtoDelim: + return fmtProtoDelim + case TypeProtoText: + return fmtProtoText + case TypeTextPlain: + return fmtText + case TypeOpenMetrics: + return fmtOpenMetrics_1_0_0 + default: + return fmtUnknown + } +} + +// NewOpenMetricsFormat generates a new OpenMetrics format matching the +// specified version number. +func NewOpenMetricsFormat(version string) (Format, error) { + if version == OpenMetricsVersion_0_0_1 { + return fmtOpenMetrics_0_0_1, nil + } + if version == OpenMetricsVersion_1_0_0 { + return fmtOpenMetrics_1_0_0, nil + } + return fmtUnknown, fmt.Errorf("unknown open metrics version string") +} + +// FormatType deduces an overall FormatType for the given format. +func (f Format) FormatType() FormatType { + toks := strings.Split(string(f), ";") + params := make(map[string]string) + for i, t := range toks { + if i == 0 { + continue + } + args := strings.Split(t, "=") + if len(args) != 2 { + continue + } + params[strings.TrimSpace(args[0])] = strings.TrimSpace(args[1]) + } + + switch strings.TrimSpace(toks[0]) { + case ProtoType: + if params["proto"] != ProtoProtocol { + return TypeUnknown + } + switch params["encoding"] { + case "delimited": + return TypeProtoDelim + case "text": + return TypeProtoText + case "compact-text": + return TypeProtoCompact + default: + return TypeUnknown + } + case OpenMetricsType: + if params["charset"] != "utf-8" { + return TypeUnknown + } + return TypeOpenMetrics + case "text/plain": + v, ok := params["version"] + if !ok { + return TypeTextPlain + } + if v == TextVersion { + return TypeTextPlain + } + return TypeUnknown + default: + return TypeUnknown + } +} + +// ToEscapingScheme returns an EscapingScheme depending on the Format. Iff the +// Format contains a escaping=allow-utf-8 term, it will select NoEscaping. If a valid +// "escaping" term exists, that will be used. Otherwise, the global default will +// be returned. +func (format Format) ToEscapingScheme() model.EscapingScheme { + for _, p := range strings.Split(string(format), ";") { + toks := strings.Split(p, "=") + if len(toks) != 2 { + continue + } + key, value := strings.TrimSpace(toks[0]), strings.TrimSpace(toks[1]) + if key == model.EscapingKey { + scheme, err := model.ToEscapingScheme(value) + if err != nil { + return model.NameEscapingScheme + } + return scheme + } + } + return model.NameEscapingScheme +} diff --git a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go index 21cdddcf..353c5e93 100644 --- a/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go +++ b/vendor/github.com/prometheus/common/expfmt/openmetrics_create.go @@ -22,11 +22,47 @@ import ( "strconv" "strings" + "google.golang.org/protobuf/types/known/timestamppb" + "github.com/prometheus/common/model" dto "github.com/prometheus/client_model/go" ) +type encoderOption struct { + withCreatedLines bool + withUnit bool +} + +type EncoderOption func(*encoderOption) + +// WithCreatedLines is an EncoderOption that configures the OpenMetrics encoder +// to include _created lines (See +// https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#counter-1). +// Created timestamps can improve the accuracy of series reset detection, but +// come with a bandwidth cost. +// +// At the time of writing, created timestamp ingestion is still experimental in +// Prometheus and need to be enabled with the feature-flag +// `--feature-flag=created-timestamp-zero-ingestion`, and breaking changes are +// still possible. Therefore, it is recommended to use this feature with caution. +func WithCreatedLines() EncoderOption { + return func(t *encoderOption) { + t.withCreatedLines = true + } +} + +// WithUnit is an EncoderOption enabling a set unit to be written to the output +// and to be added to the metric name, if it's not there already, as a suffix. +// Without opting in this way, the unit will not be added to the metric name and, +// on top of that, the unit will not be passed onto the output, even if it +// were declared in the *dto.MetricFamily struct, i.e. even if in.Unit !=nil. +func WithUnit() EncoderOption { + return func(t *encoderOption) { + t.withUnit = true + } +} + // MetricFamilyToOpenMetrics converts a MetricFamily proto message into the // OpenMetrics text format and writes the resulting lines to 'out'. It returns // the number of bytes written and any error encountered. The output will have @@ -35,6 +71,18 @@ import ( // sanity checks. If the input contains duplicate metrics or invalid metric or // label names, the conversion will result in invalid text format output. // +// If metric names conform to the legacy validation pattern, they will be placed +// outside the brackets in the traditional way, like `foo{}`. If the metric name +// fails the legacy validation check, it will be placed quoted inside the +// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and +// no error will be thrown in this case. +// +// Similar to metric names, if label names conform to the legacy validation +// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label +// name fails the legacy validation check, it will be quoted: +// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and +// no error will be thrown in this case. +// // This function fulfills the type 'expfmt.encoder'. // // Note that OpenMetrics requires a final `# EOF` line. Since this function acts @@ -47,20 +95,34 @@ import ( // Prometheus to OpenMetrics or vice versa: // // - Counters are expected to have the `_total` suffix in their metric name. In -// the output, the suffix will be truncated from the `# TYPE` and `# HELP` -// line. A counter with a missing `_total` suffix is not an error. However, +// the output, the suffix will be truncated from the `# TYPE`, `# HELP` and `# UNIT` +// lines. A counter with a missing `_total` suffix is not an error. However, // its type will be set to `unknown` in that case to avoid invalid OpenMetrics // output. // -// - No support for the following (optional) features: `# UNIT` line, `_created` -// line, info type, stateset type, gaugehistogram type. +// - According to the OM specs, the `# UNIT` line is optional, but if populated, +// the unit has to be present in the metric name as its suffix: +// (see https://github.com/OpenObservability/OpenMetrics/blob/main/specification/OpenMetrics.md#unit). +// However, in order to accommodate any potential scenario where such a change in the +// metric name is not desirable, the users are here given the choice of either explicitly +// opt in, in case they wish for the unit to be included in the output AND in the metric name +// as a suffix (see the description of the WithUnit function above), +// or not to opt in, in case they don't want for any of that to happen. +// +// - No support for the following (optional) features: info type, +// stateset type, gaugehistogram type. // // - The size of exemplar labels is not checked (i.e. it's possible to create // exemplars that are larger than allowed by the OpenMetrics specification). // // - The value of Counters is not checked. (OpenMetrics doesn't allow counters // with a `NaN` value.) -func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int, err error) { +func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily, options ...EncoderOption) (written int, err error) { + toOM := encoderOption{} + for _, option := range options { + option(&toOM) + } + name := in.GetName() if name == "" { return 0, fmt.Errorf("MetricFamily has no name: %s", in) @@ -83,12 +145,15 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } var ( - n int - metricType = in.GetType() - shortName = name + n int + metricType = in.GetType() + compliantName = name ) - if metricType == dto.MetricType_COUNTER && strings.HasSuffix(shortName, "_total") { - shortName = name[:len(name)-6] + if metricType == dto.MetricType_COUNTER && strings.HasSuffix(compliantName, "_total") { + compliantName = name[:len(name)-6] + } + if toOM.withUnit && in.Unit != nil && !strings.HasSuffix(compliantName, fmt.Sprintf("_%s", *in.Unit)) { + compliantName = compliantName + fmt.Sprintf("_%s", *in.Unit) } // Comments, first HELP, then TYPE. @@ -98,7 +163,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } - n, err = w.WriteString(shortName) + n, err = writeName(w, compliantName) written += n if err != nil { return @@ -124,7 +189,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } - n, err = w.WriteString(shortName) + n, err = writeName(w, compliantName) written += n if err != nil { return @@ -151,55 +216,89 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int if err != nil { return } + if toOM.withUnit && in.Unit != nil { + n, err = w.WriteString("# UNIT ") + written += n + if err != nil { + return + } + n, err = writeName(w, compliantName) + written += n + if err != nil { + return + } + + err = w.WriteByte(' ') + written++ + if err != nil { + return + } + n, err = writeEscapedString(w, *in.Unit, true) + written += n + if err != nil { + return + } + err = w.WriteByte('\n') + written++ + if err != nil { + return + } + } + + var createdTsBytesWritten int // Finally the samples, one line for each. + if metricType == dto.MetricType_COUNTER && strings.HasSuffix(name, "_total") { + compliantName = compliantName + "_total" + } for _, metric := range in.Metric { switch metricType { case dto.MetricType_COUNTER: if metric.Counter == nil { return written, fmt.Errorf( - "expected counter in metric %s %s", name, metric, + "expected counter in metric %s %s", compliantName, metric, ) } - // Note that we have ensured above that either the name - // ends on `_total` or that the rendered type is - // `unknown`. Therefore, no `_total` must be added here. n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Counter.GetValue(), 0, false, metric.Counter.Exemplar, ) + if toOM.withCreatedLines && metric.Counter.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "_total", metric, "", 0, metric.Counter.GetCreatedTimestamp()) + n += createdTsBytesWritten + } case dto.MetricType_GAUGE: if metric.Gauge == nil { return written, fmt.Errorf( - "expected gauge in metric %s %s", name, metric, + "expected gauge in metric %s %s", compliantName, metric, ) } n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Gauge.GetValue(), 0, false, nil, ) case dto.MetricType_UNTYPED: if metric.Untyped == nil { return written, fmt.Errorf( - "expected untyped in metric %s %s", name, metric, + "expected untyped in metric %s %s", compliantName, metric, ) } n, err = writeOpenMetricsSample( - w, name, "", metric, "", 0, + w, compliantName, "", metric, "", 0, metric.Untyped.GetValue(), 0, false, nil, ) case dto.MetricType_SUMMARY: if metric.Summary == nil { return written, fmt.Errorf( - "expected summary in metric %s %s", name, metric, + "expected summary in metric %s %s", compliantName, metric, ) } for _, q := range metric.Summary.Quantile { n, err = writeOpenMetricsSample( - w, name, "", metric, + w, compliantName, "", metric, model.QuantileLabel, q.GetQuantile(), q.GetValue(), 0, false, nil, @@ -210,7 +309,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } } n, err = writeOpenMetricsSample( - w, name, "_sum", metric, "", 0, + w, compliantName, "_sum", metric, "", 0, metric.Summary.GetSampleSum(), 0, false, nil, ) @@ -219,20 +318,24 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int return } n, err = writeOpenMetricsSample( - w, name, "_count", metric, "", 0, + w, compliantName, "_count", metric, "", 0, 0, metric.Summary.GetSampleCount(), true, nil, ) + if toOM.withCreatedLines && metric.Summary.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Summary.GetCreatedTimestamp()) + n += createdTsBytesWritten + } case dto.MetricType_HISTOGRAM: if metric.Histogram == nil { return written, fmt.Errorf( - "expected histogram in metric %s %s", name, metric, + "expected histogram in metric %s %s", compliantName, metric, ) } infSeen := false for _, b := range metric.Histogram.Bucket { n, err = writeOpenMetricsSample( - w, name, "_bucket", metric, + w, compliantName, "_bucket", metric, model.BucketLabel, b.GetUpperBound(), 0, b.GetCumulativeCount(), true, b.Exemplar, @@ -247,7 +350,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } if !infSeen { n, err = writeOpenMetricsSample( - w, name, "_bucket", metric, + w, compliantName, "_bucket", metric, model.BucketLabel, math.Inf(+1), 0, metric.Histogram.GetSampleCount(), true, nil, @@ -258,7 +361,7 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int } } n, err = writeOpenMetricsSample( - w, name, "_sum", metric, "", 0, + w, compliantName, "_sum", metric, "", 0, metric.Histogram.GetSampleSum(), 0, false, nil, ) @@ -267,13 +370,17 @@ func MetricFamilyToOpenMetrics(out io.Writer, in *dto.MetricFamily) (written int return } n, err = writeOpenMetricsSample( - w, name, "_count", metric, "", 0, + w, compliantName, "_count", metric, "", 0, 0, metric.Histogram.GetSampleCount(), true, nil, ) + if toOM.withCreatedLines && metric.Histogram.CreatedTimestamp != nil { + createdTsBytesWritten, err = writeOpenMetricsCreated(w, compliantName, "", metric, "", 0, metric.Histogram.GetCreatedTimestamp()) + n += createdTsBytesWritten + } default: return written, fmt.Errorf( - "unexpected type in metric %s %s", name, metric, + "unexpected type in metric %s %s", compliantName, metric, ) } written += n @@ -303,21 +410,9 @@ func writeOpenMetricsSample( floatValue float64, intValue uint64, useIntValue bool, exemplar *dto.Exemplar, ) (int, error) { - var written int - n, err := w.WriteString(name) - written += n - if err != nil { - return written, err - } - if suffix != "" { - n, err = w.WriteString(suffix) - written += n - if err != nil { - return written, err - } - } - n, err = writeOpenMetricsLabelPairs( - w, metric.Label, additionalLabelName, additionalLabelValue, + written := 0 + n, err := writeOpenMetricsNameAndLabelPairs( + w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue, ) written += n if err != nil { @@ -350,7 +445,7 @@ func writeOpenMetricsSample( return written, err } } - if exemplar != nil { + if exemplar != nil && len(exemplar.Label) > 0 { n, err = writeExemplar(w, exemplar) written += n if err != nil { @@ -365,27 +460,58 @@ func writeOpenMetricsSample( return written, nil } -// writeOpenMetricsLabelPairs works like writeOpenMetrics but formats the float -// in OpenMetrics style. -func writeOpenMetricsLabelPairs( +// writeOpenMetricsNameAndLabelPairs works like writeOpenMetricsSample but +// formats the float in OpenMetrics style. +func writeOpenMetricsNameAndLabelPairs( w enhancedWriter, + name string, in []*dto.LabelPair, additionalLabelName string, additionalLabelValue float64, ) (int, error) { - if len(in) == 0 && additionalLabelName == "" { - return 0, nil - } var ( - written int - separator byte = '{' + written int + separator byte = '{' + metricInsideBraces = false ) + + if name != "" { + // If the name does not pass the legacy validity check, we must put the + // metric name inside the braces, quoted. + if !model.IsValidLegacyMetricName(model.LabelValue(name)) { + metricInsideBraces = true + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + separator = ',' + } + + n, err := writeName(w, name) + written += n + if err != nil { + return written, err + } + } + + if len(in) == 0 && additionalLabelName == "" { + if metricInsideBraces { + err := w.WriteByte('}') + written++ + if err != nil { + return written, err + } + } + return written, nil + } + for _, lp := range in { err := w.WriteByte(separator) written++ if err != nil { return written, err } - n, err := w.WriteString(lp.GetName()) + n, err := writeName(w, lp.GetName()) written += n if err != nil { return written, err @@ -442,6 +568,49 @@ func writeOpenMetricsLabelPairs( return written, nil } +// writeOpenMetricsCreated writes the created timestamp for a single time series +// following OpenMetrics text format to w, given the metric name, the metric proto +// message itself, optionally a suffix to be removed, e.g. '_total' for counters, +// an additional label name with a float64 value (use empty string as label name if +// not required) and the timestamp that represents the created timestamp. +// The function returns the number of bytes written and any error encountered. +func writeOpenMetricsCreated(w enhancedWriter, + name, suffixToTrim string, metric *dto.Metric, + additionalLabelName string, additionalLabelValue float64, + createdTimestamp *timestamppb.Timestamp, +) (int, error) { + written := 0 + n, err := writeOpenMetricsNameAndLabelPairs( + w, strings.TrimSuffix(name, suffixToTrim)+"_created", metric.Label, additionalLabelName, additionalLabelValue, + ) + written += n + if err != nil { + return written, err + } + + err = w.WriteByte(' ') + written++ + if err != nil { + return written, err + } + + // TODO(beorn7): Format this directly from components of ts to + // avoid overflow/underflow and precision issues of the float + // conversion. + n, err = writeOpenMetricsFloat(w, float64(createdTimestamp.AsTime().UnixNano())/1e9) + written += n + if err != nil { + return written, err + } + + err = w.WriteByte('\n') + written++ + if err != nil { + return written, err + } + return written, nil +} + // writeExemplar writes the provided exemplar in OpenMetrics format to w. The // function returns the number of bytes written and any error encountered. func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) { @@ -451,7 +620,7 @@ func writeExemplar(w enhancedWriter, e *dto.Exemplar) (int, error) { if err != nil { return written, err } - n, err = writeOpenMetricsLabelPairs(w, e.Label, "", 0) + n, err = writeOpenMetricsNameAndLabelPairs(w, "", e.Label, "", 0) written += n if err != nil { return written, err diff --git a/vendor/github.com/prometheus/common/expfmt/text_create.go b/vendor/github.com/prometheus/common/expfmt/text_create.go index 2946b8f1..f9b8265a 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_create.go +++ b/vendor/github.com/prometheus/common/expfmt/text_create.go @@ -62,6 +62,18 @@ var ( // contains duplicate metrics or invalid metric or label names, the conversion // will result in invalid text format output. // +// If metric names conform to the legacy validation pattern, they will be placed +// outside the brackets in the traditional way, like `foo{}`. If the metric name +// fails the legacy validation check, it will be placed quoted inside the +// brackets: `{"foo"}`. As stated above, the input is assumed to be santized and +// no error will be thrown in this case. +// +// Similar to metric names, if label names conform to the legacy validation +// pattern, they will be unquoted as normal, like `foo{bar="baz"}`. If the label +// name fails the legacy validation check, it will be quoted: +// `foo{"bar"="baz"}`. As stated above, the input is assumed to be santized and +// no error will be thrown in this case. +// // This method fulfills the type 'prometheus.encoder'. func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err error) { // Fail-fast checks. @@ -98,7 +110,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e if err != nil { return } - n, err = w.WriteString(name) + n, err = writeName(w, name) written += n if err != nil { return @@ -124,7 +136,7 @@ func MetricFamilyToText(out io.Writer, in *dto.MetricFamily) (written int, err e if err != nil { return } - n, err = w.WriteString(name) + n, err = writeName(w, name) written += n if err != nil { return @@ -280,21 +292,9 @@ func writeSample( additionalLabelName string, additionalLabelValue float64, value float64, ) (int, error) { - var written int - n, err := w.WriteString(name) - written += n - if err != nil { - return written, err - } - if suffix != "" { - n, err = w.WriteString(suffix) - written += n - if err != nil { - return written, err - } - } - n, err = writeLabelPairs( - w, metric.Label, additionalLabelName, additionalLabelValue, + written := 0 + n, err := writeNameAndLabelPairs( + w, name+suffix, metric.Label, additionalLabelName, additionalLabelValue, ) written += n if err != nil { @@ -330,32 +330,64 @@ func writeSample( return written, nil } -// writeLabelPairs converts a slice of LabelPair proto messages plus the -// explicitly given additional label pair into text formatted as required by the -// text format and writes it to 'w'. An empty slice in combination with an empty -// string 'additionalLabelName' results in nothing being written. Otherwise, the -// label pairs are written, escaped as required by the text format, and enclosed -// in '{...}'. The function returns the number of bytes written and any error -// encountered. -func writeLabelPairs( +// writeNameAndLabelPairs converts a slice of LabelPair proto messages plus the +// explicitly given metric name and additional label pair into text formatted as +// required by the text format and writes it to 'w'. An empty slice in +// combination with an empty string 'additionalLabelName' results in nothing +// being written. Otherwise, the label pairs are written, escaped as required by +// the text format, and enclosed in '{...}'. The function returns the number of +// bytes written and any error encountered. If the metric name is not +// legacy-valid, it will be put inside the brackets as well. Legacy-invalid +// label names will also be quoted. +func writeNameAndLabelPairs( w enhancedWriter, + name string, in []*dto.LabelPair, additionalLabelName string, additionalLabelValue float64, ) (int, error) { - if len(in) == 0 && additionalLabelName == "" { - return 0, nil - } var ( - written int - separator byte = '{' + written int + separator byte = '{' + metricInsideBraces = false ) + + if name != "" { + // If the name does not pass the legacy validity check, we must put the + // metric name inside the braces. + if !model.IsValidLegacyMetricName(model.LabelValue(name)) { + metricInsideBraces = true + err := w.WriteByte(separator) + written++ + if err != nil { + return written, err + } + separator = ',' + } + n, err := writeName(w, name) + written += n + if err != nil { + return written, err + } + } + + if len(in) == 0 && additionalLabelName == "" { + if metricInsideBraces { + err := w.WriteByte('}') + written++ + if err != nil { + return written, err + } + } + return written, nil + } + for _, lp := range in { err := w.WriteByte(separator) written++ if err != nil { return written, err } - n, err := w.WriteString(lp.GetName()) + n, err := writeName(w, lp.GetName()) written += n if err != nil { return written, err @@ -462,3 +494,27 @@ func writeInt(w enhancedWriter, i int64) (int, error) { numBufPool.Put(bp) return written, err } + +// writeName writes a string as-is if it complies with the legacy naming +// scheme, or escapes it in double quotes if not. +func writeName(w enhancedWriter, name string) (int, error) { + if model.IsValidLegacyMetricName(model.LabelValue(name)) { + return w.WriteString(name) + } + var written int + var err error + err = w.WriteByte('"') + written++ + if err != nil { + return written, err + } + var n int + n, err = writeEscapedString(w, name, true) + written += n + if err != nil { + return written, err + } + err = w.WriteByte('"') + written++ + return written, err +} diff --git a/vendor/github.com/prometheus/common/expfmt/text_parse.go b/vendor/github.com/prometheus/common/expfmt/text_parse.go index 35db1cc9..26490211 100644 --- a/vendor/github.com/prometheus/common/expfmt/text_parse.go +++ b/vendor/github.com/prometheus/common/expfmt/text_parse.go @@ -16,6 +16,7 @@ package expfmt import ( "bufio" "bytes" + "errors" "fmt" "io" "math" @@ -24,8 +25,9 @@ import ( dto "github.com/prometheus/client_model/go" - "github.com/prometheus/common/model" "google.golang.org/protobuf/proto" + + "github.com/prometheus/common/model" ) // A stateFn is a function that represents a state in a state machine. By @@ -112,7 +114,7 @@ func (p *TextParser) TextToMetricFamilies(in io.Reader) (map[string]*dto.MetricF // stream. Turn this error into something nicer and more // meaningful. (io.EOF is often used as a signal for the legitimate end // of an input stream.) - if p.err == io.EOF { + if p.err != nil && errors.Is(p.err, io.EOF) { p.parseError("unexpected end of input stream") } return p.metricFamiliesByName, p.err @@ -146,7 +148,7 @@ func (p *TextParser) startOfLine() stateFn { // which is not an error but the signal that we are done. // Any other error that happens to align with the start of // a line is still an error. - if p.err == io.EOF { + if errors.Is(p.err, io.EOF) { p.err = nil } return nil diff --git a/vendor/github.com/prometheus/common/model/alert.go b/vendor/github.com/prometheus/common/model/alert.go index 35e739c7..178fdbaf 100644 --- a/vendor/github.com/prometheus/common/model/alert.go +++ b/vendor/github.com/prometheus/common/model/alert.go @@ -90,13 +90,13 @@ func (a *Alert) Validate() error { return fmt.Errorf("start time must be before end time") } if err := a.Labels.Validate(); err != nil { - return fmt.Errorf("invalid label set: %s", err) + return fmt.Errorf("invalid label set: %w", err) } if len(a.Labels) == 0 { return fmt.Errorf("at least one label pair required") } if err := a.Annotations.Validate(); err != nil { - return fmt.Errorf("invalid annotations: %s", err) + return fmt.Errorf("invalid annotations: %w", err) } return nil } diff --git a/vendor/github.com/prometheus/common/model/labels.go b/vendor/github.com/prometheus/common/model/labels.go index ef895633..3317ce22 100644 --- a/vendor/github.com/prometheus/common/model/labels.go +++ b/vendor/github.com/prometheus/common/model/labels.go @@ -97,17 +97,25 @@ var LabelNameRE = regexp.MustCompile("^[a-zA-Z_][a-zA-Z0-9_]*$") // therewith. type LabelName string -// IsValid is true iff the label name matches the pattern of LabelNameRE. This -// method, however, does not use LabelNameRE for the check but a much faster -// hardcoded implementation. +// IsValid returns true iff name matches the pattern of LabelNameRE for legacy +// names, and iff it's valid UTF-8 if NameValidationScheme is set to +// UTF8Validation. For the legacy matching, it does not use LabelNameRE for the +// check but a much faster hardcoded implementation. func (ln LabelName) IsValid() bool { if len(ln) == 0 { return false } - for i, b := range ln { - if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { - return false + switch NameValidationScheme { + case LegacyValidation: + for i, b := range ln { + if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || (b >= '0' && b <= '9' && i > 0)) { + return false + } } + case UTF8Validation: + return utf8.ValidString(string(ln)) + default: + panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme)) } return true } @@ -164,7 +172,7 @@ func (l LabelNames) String() string { // A LabelValue is an associated value for a LabelName. type LabelValue string -// IsValid returns true iff the string is a valid UTF8. +// IsValid returns true iff the string is a valid UTF-8. func (lv LabelValue) IsValid() bool { return utf8.ValidString(string(lv)) } diff --git a/vendor/github.com/prometheus/common/model/labelset.go b/vendor/github.com/prometheus/common/model/labelset.go index 6eda08a7..ec738e62 100644 --- a/vendor/github.com/prometheus/common/model/labelset.go +++ b/vendor/github.com/prometheus/common/model/labelset.go @@ -14,10 +14,12 @@ package model import ( + "bytes" "encoding/json" "fmt" + "slices" "sort" - "strings" + "strconv" ) // A LabelSet is a collection of LabelName and LabelValue pairs. The LabelSet @@ -129,14 +131,27 @@ func (l LabelSet) Merge(other LabelSet) LabelSet { return result } +// String will look like `{foo="bar", more="less"}`. Names are sorted alphabetically. func (l LabelSet) String() string { - lstrs := make([]string, 0, len(l)) - for l, v := range l { - lstrs = append(lstrs, fmt.Sprintf("%s=%q", l, v)) + var lna [32]LabelName // On stack to avoid memory allocation for sorting names. + labelNames := lna[:0] + for name := range l { + labelNames = append(labelNames, name) } - - sort.Strings(lstrs) - return fmt.Sprintf("{%s}", strings.Join(lstrs, ", ")) + slices.Sort(labelNames) + var bytea [1024]byte // On stack to avoid memory allocation while building the output. + b := bytes.NewBuffer(bytea[:0]) + b.WriteByte('{') + for i, name := range labelNames { + if i > 0 { + b.WriteString(", ") + } + b.WriteString(string(name)) + b.WriteByte('=') + b.Write(strconv.AppendQuote(b.AvailableBuffer(), string(l[name]))) + } + b.WriteByte('}') + return b.String() } // Fingerprint returns the LabelSet's fingerprint. diff --git a/vendor/github.com/prometheus/common/model/metadata.go b/vendor/github.com/prometheus/common/model/metadata.go new file mode 100644 index 00000000..447ab8ad --- /dev/null +++ b/vendor/github.com/prometheus/common/model/metadata.go @@ -0,0 +1,28 @@ +// Copyright 2023 The Prometheus Authors +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package model + +// MetricType represents metric type values. +type MetricType string + +const ( + MetricTypeCounter = MetricType("counter") + MetricTypeGauge = MetricType("gauge") + MetricTypeHistogram = MetricType("histogram") + MetricTypeGaugeHistogram = MetricType("gaugehistogram") + MetricTypeSummary = MetricType("summary") + MetricTypeInfo = MetricType("info") + MetricTypeStateset = MetricType("stateset") + MetricTypeUnknown = MetricType("unknown") +) diff --git a/vendor/github.com/prometheus/common/model/metric.go b/vendor/github.com/prometheus/common/model/metric.go index 00804b7f..eb865e5a 100644 --- a/vendor/github.com/prometheus/common/model/metric.go +++ b/vendor/github.com/prometheus/common/model/metric.go @@ -18,15 +18,84 @@ import ( "regexp" "sort" "strings" + "unicode/utf8" + + dto "github.com/prometheus/client_model/go" + "google.golang.org/protobuf/proto" ) var ( - // MetricNameRE is a regular expression matching valid metric - // names. Note that the IsValidMetricName function performs the same - // check but faster than a match with this regular expression. - MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`) + // NameValidationScheme determines the method of name validation to be used by + // all calls to IsValidMetricName() and LabelName IsValid(). Setting UTF-8 mode + // in isolation from other components that don't support UTF-8 may result in + // bugs or other undefined behavior. This value is intended to be set by + // UTF-8-aware binaries as part of their startup. To avoid need for locking, + // this value should be set once, ideally in an init(), before multiple + // goroutines are started. + NameValidationScheme = LegacyValidation + + // NameEscapingScheme defines the default way that names will be + // escaped when presented to systems that do not support UTF-8 names. If the + // Content-Type "escaping" term is specified, that will override this value. + NameEscapingScheme = ValueEncodingEscaping +) + +// ValidationScheme is a Go enum for determining how metric and label names will +// be validated by this library. +type ValidationScheme int + +const ( + // LegacyValidation is a setting that requirets that metric and label names + // conform to the original Prometheus character requirements described by + // MetricNameRE and LabelNameRE. + LegacyValidation ValidationScheme = iota + + // UTF8Validation only requires that metric and label names be valid UTF-8 + // strings. + UTF8Validation +) + +type EscapingScheme int + +const ( + // NoEscaping indicates that a name will not be escaped. Unescaped names that + // do not conform to the legacy validity check will use a new exposition + // format syntax that will be officially standardized in future versions. + NoEscaping EscapingScheme = iota + + // UnderscoreEscaping replaces all legacy-invalid characters with underscores. + UnderscoreEscaping + + // DotsEscaping is similar to UnderscoreEscaping, except that dots are + // converted to `_dot_` and pre-existing underscores are converted to `__`. + DotsEscaping + + // ValueEncodingEscaping prepends the name with `U__` and replaces all invalid + // characters with the unicode value, surrounded by underscores. Single + // underscores are replaced with double underscores. + ValueEncodingEscaping +) + +const ( + // EscapingKey is the key in an Accept or Content-Type header that defines how + // metric and label names that do not conform to the legacy character + // requirements should be escaped when being scraped by a legacy prometheus + // system. If a system does not explicitly pass an escaping parameter in the + // Accept header, the default NameEscapingScheme will be used. + EscapingKey = "escaping" + + // Possible values for Escaping Key: + AllowUTF8 = "allow-utf-8" // No escaping required. + EscapeUnderscores = "underscores" + EscapeDots = "dots" + EscapeValues = "values" ) +// MetricNameRE is a regular expression matching valid metric +// names. Note that the IsValidMetricName function performs the same +// check but faster than a match with this regular expression. +var MetricNameRE = regexp.MustCompile(`^[a-zA-Z_:][a-zA-Z0-9_:]*$`) + // A Metric is similar to a LabelSet, but the key difference is that a Metric is // a singleton and refers to one and only one stream of samples. type Metric LabelSet @@ -86,17 +155,303 @@ func (m Metric) FastFingerprint() Fingerprint { return LabelSet(m).FastFingerprint() } -// IsValidMetricName returns true iff name matches the pattern of MetricNameRE. +// IsValidMetricName returns true iff name matches the pattern of MetricNameRE +// for legacy names, and iff it's valid UTF-8 if the UTF8Validation scheme is +// selected. +func IsValidMetricName(n LabelValue) bool { + switch NameValidationScheme { + case LegacyValidation: + return IsValidLegacyMetricName(n) + case UTF8Validation: + if len(n) == 0 { + return false + } + return utf8.ValidString(string(n)) + default: + panic(fmt.Sprintf("Invalid name validation scheme requested: %d", NameValidationScheme)) + } +} + +// IsValidLegacyMetricName is similar to IsValidMetricName but always uses the +// legacy validation scheme regardless of the value of NameValidationScheme. // This function, however, does not use MetricNameRE for the check but a much // faster hardcoded implementation. -func IsValidMetricName(n LabelValue) bool { +func IsValidLegacyMetricName(n LabelValue) bool { if len(n) == 0 { return false } for i, b := range n { - if !((b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0)) { + if !isValidLegacyRune(b, i) { return false } } return true } + +// EscapeMetricFamily escapes the given metric names and labels with the given +// escaping scheme. Returns a new object that uses the same pointers to fields +// when possible and creates new escaped versions so as not to mutate the +// input. +func EscapeMetricFamily(v *dto.MetricFamily, scheme EscapingScheme) *dto.MetricFamily { + if v == nil { + return nil + } + + if scheme == NoEscaping { + return v + } + + out := &dto.MetricFamily{ + Help: v.Help, + Type: v.Type, + Unit: v.Unit, + } + + // If the name is nil, copy as-is, don't try to escape. + if v.Name == nil || IsValidLegacyMetricName(LabelValue(v.GetName())) { + out.Name = v.Name + } else { + out.Name = proto.String(EscapeName(v.GetName(), scheme)) + } + for _, m := range v.Metric { + if !metricNeedsEscaping(m) { + out.Metric = append(out.Metric, m) + continue + } + + escaped := &dto.Metric{ + Gauge: m.Gauge, + Counter: m.Counter, + Summary: m.Summary, + Untyped: m.Untyped, + Histogram: m.Histogram, + TimestampMs: m.TimestampMs, + } + + for _, l := range m.Label { + if l.GetName() == MetricNameLabel { + if l.Value == nil || IsValidLegacyMetricName(LabelValue(l.GetValue())) { + escaped.Label = append(escaped.Label, l) + continue + } + escaped.Label = append(escaped.Label, &dto.LabelPair{ + Name: proto.String(MetricNameLabel), + Value: proto.String(EscapeName(l.GetValue(), scheme)), + }) + continue + } + if l.Name == nil || IsValidLegacyMetricName(LabelValue(l.GetName())) { + escaped.Label = append(escaped.Label, l) + continue + } + escaped.Label = append(escaped.Label, &dto.LabelPair{ + Name: proto.String(EscapeName(l.GetName(), scheme)), + Value: l.Value, + }) + } + out.Metric = append(out.Metric, escaped) + } + return out +} + +func metricNeedsEscaping(m *dto.Metric) bool { + for _, l := range m.Label { + if l.GetName() == MetricNameLabel && !IsValidLegacyMetricName(LabelValue(l.GetValue())) { + return true + } + if !IsValidLegacyMetricName(LabelValue(l.GetName())) { + return true + } + } + return false +} + +const ( + lowerhex = "0123456789abcdef" +) + +// EscapeName escapes the incoming name according to the provided escaping +// scheme. Depending on the rules of escaping, this may cause no change in the +// string that is returned. (Especially NoEscaping, which by definition is a +// noop). This function does not do any validation of the name. +func EscapeName(name string, scheme EscapingScheme) string { + if len(name) == 0 { + return name + } + var escaped strings.Builder + switch scheme { + case NoEscaping: + return name + case UnderscoreEscaping: + if IsValidLegacyMetricName(LabelValue(name)) { + return name + } + for i, b := range name { + if isValidLegacyRune(b, i) { + escaped.WriteRune(b) + } else { + escaped.WriteRune('_') + } + } + return escaped.String() + case DotsEscaping: + // Do not early return for legacy valid names, we still escape underscores. + for i, b := range name { + if b == '_' { + escaped.WriteString("__") + } else if b == '.' { + escaped.WriteString("_dot_") + } else if isValidLegacyRune(b, i) { + escaped.WriteRune(b) + } else { + escaped.WriteRune('_') + } + } + return escaped.String() + case ValueEncodingEscaping: + if IsValidLegacyMetricName(LabelValue(name)) { + return name + } + escaped.WriteString("U__") + for i, b := range name { + if isValidLegacyRune(b, i) { + escaped.WriteRune(b) + } else if !utf8.ValidRune(b) { + escaped.WriteString("_FFFD_") + } else if b < 0x100 { + escaped.WriteRune('_') + for s := 4; s >= 0; s -= 4 { + escaped.WriteByte(lowerhex[b>>uint(s)&0xF]) + } + escaped.WriteRune('_') + } else if b < 0x10000 { + escaped.WriteRune('_') + for s := 12; s >= 0; s -= 4 { + escaped.WriteByte(lowerhex[b>>uint(s)&0xF]) + } + escaped.WriteRune('_') + } + } + return escaped.String() + default: + panic(fmt.Sprintf("invalid escaping scheme %d", scheme)) + } +} + +// lower function taken from strconv.atoi +func lower(c byte) byte { + return c | ('x' - 'X') +} + +// UnescapeName unescapes the incoming name according to the provided escaping +// scheme if possible. Some schemes are partially or totally non-roundtripable. +// If any error is enountered, returns the original input. +func UnescapeName(name string, scheme EscapingScheme) string { + if len(name) == 0 { + return name + } + switch scheme { + case NoEscaping: + return name + case UnderscoreEscaping: + // It is not possible to unescape from underscore replacement. + return name + case DotsEscaping: + name = strings.ReplaceAll(name, "_dot_", ".") + name = strings.ReplaceAll(name, "__", "_") + return name + case ValueEncodingEscaping: + escapedName, found := strings.CutPrefix(name, "U__") + if !found { + return name + } + + var unescaped strings.Builder + TOP: + for i := 0; i < len(escapedName); i++ { + // All non-underscores are treated normally. + if escapedName[i] != '_' { + unescaped.WriteByte(escapedName[i]) + continue + } + i++ + if i >= len(escapedName) { + return name + } + // A double underscore is a single underscore. + if escapedName[i] == '_' { + unescaped.WriteByte('_') + continue + } + // We think we are in a UTF-8 code, process it. + var utf8Val uint + for j := 0; i < len(escapedName); j++ { + // This is too many characters for a utf8 value. + if j > 4 { + return name + } + // Found a closing underscore, convert to a rune, check validity, and append. + if escapedName[i] == '_' { + utf8Rune := rune(utf8Val) + if !utf8.ValidRune(utf8Rune) { + return name + } + unescaped.WriteRune(utf8Rune) + continue TOP + } + r := lower(escapedName[i]) + utf8Val *= 16 + if r >= '0' && r <= '9' { + utf8Val += uint(r) - '0' + } else if r >= 'a' && r <= 'f' { + utf8Val += uint(r) - 'a' + 10 + } else { + return name + } + i++ + } + // Didn't find closing underscore, invalid. + return name + } + return unescaped.String() + default: + panic(fmt.Sprintf("invalid escaping scheme %d", scheme)) + } +} + +func isValidLegacyRune(b rune, i int) bool { + return (b >= 'a' && b <= 'z') || (b >= 'A' && b <= 'Z') || b == '_' || b == ':' || (b >= '0' && b <= '9' && i > 0) +} + +func (e EscapingScheme) String() string { + switch e { + case NoEscaping: + return AllowUTF8 + case UnderscoreEscaping: + return EscapeUnderscores + case DotsEscaping: + return EscapeDots + case ValueEncodingEscaping: + return EscapeValues + default: + panic(fmt.Sprintf("unknown format scheme %d", e)) + } +} + +func ToEscapingScheme(s string) (EscapingScheme, error) { + if s == "" { + return NoEscaping, fmt.Errorf("got empty string instead of escaping scheme") + } + switch s { + case AllowUTF8: + return NoEscaping, nil + case EscapeUnderscores: + return UnderscoreEscaping, nil + case EscapeDots: + return DotsEscaping, nil + case EscapeValues: + return ValueEncodingEscaping, nil + default: + return NoEscaping, fmt.Errorf("unknown format scheme " + s) + } +} diff --git a/vendor/github.com/prometheus/common/model/signature.go b/vendor/github.com/prometheus/common/model/signature.go index 8762b13c..dc8a0026 100644 --- a/vendor/github.com/prometheus/common/model/signature.go +++ b/vendor/github.com/prometheus/common/model/signature.go @@ -22,10 +22,8 @@ import ( // when calculating their combined hash value (aka signature aka fingerprint). const SeparatorByte byte = 255 -var ( - // cache the signature of an empty label set. - emptyLabelSignature = hashNew() -) +// cache the signature of an empty label set. +var emptyLabelSignature = hashNew() // LabelsToSignature returns a quasi-unique signature (i.e., fingerprint) for a // given label set. (Collisions are possible but unlikely if the number of label diff --git a/vendor/github.com/prometheus/common/model/silence.go b/vendor/github.com/prometheus/common/model/silence.go index bb99889d..910b0b71 100644 --- a/vendor/github.com/prometheus/common/model/silence.go +++ b/vendor/github.com/prometheus/common/model/silence.go @@ -81,7 +81,7 @@ func (s *Silence) Validate() error { } for _, m := range s.Matchers { if err := m.Validate(); err != nil { - return fmt.Errorf("invalid matcher: %s", err) + return fmt.Errorf("invalid matcher: %w", err) } } if s.StartsAt.IsZero() { diff --git a/vendor/github.com/prometheus/common/model/value.go b/vendor/github.com/prometheus/common/model/value.go index 9eb44041..8050637d 100644 --- a/vendor/github.com/prometheus/common/model/value.go +++ b/vendor/github.com/prometheus/common/model/value.go @@ -21,14 +21,12 @@ import ( "strings" ) -var ( - // ZeroSample is the pseudo zero-value of Sample used to signal a - // non-existing sample. It is a Sample with timestamp Earliest, value 0.0, - // and metric nil. Note that the natural zero value of Sample has a timestamp - // of 0, which is possible to appear in a real Sample and thus not suitable - // to signal a non-existing Sample. - ZeroSample = Sample{Timestamp: Earliest} -) +// ZeroSample is the pseudo zero-value of Sample used to signal a +// non-existing sample. It is a Sample with timestamp Earliest, value 0.0, +// and metric nil. Note that the natural zero value of Sample has a timestamp +// of 0, which is possible to appear in a real Sample and thus not suitable +// to signal a non-existing Sample. +var ZeroSample = Sample{Timestamp: Earliest} // Sample is a sample pair associated with a metric. A single sample must either // define Value or Histogram but not both. Histogram == nil implies the Value @@ -274,7 +272,7 @@ func (s *Scalar) UnmarshalJSON(b []byte) error { value, err := strconv.ParseFloat(f, 64) if err != nil { - return fmt.Errorf("error parsing sample value: %s", err) + return fmt.Errorf("error parsing sample value: %w", err) } s.Value = SampleValue(value) return nil diff --git a/vendor/github.com/prometheus/common/model/value_float.go b/vendor/github.com/prometheus/common/model/value_float.go index 0f615a70..ae35cc2a 100644 --- a/vendor/github.com/prometheus/common/model/value_float.go +++ b/vendor/github.com/prometheus/common/model/value_float.go @@ -20,14 +20,12 @@ import ( "strconv" ) -var ( - // ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a - // non-existing sample pair. It is a SamplePair with timestamp Earliest and - // value 0.0. Note that the natural zero value of SamplePair has a timestamp - // of 0, which is possible to appear in a real SamplePair and thus not - // suitable to signal a non-existing SamplePair. - ZeroSamplePair = SamplePair{Timestamp: Earliest} -) +// ZeroSamplePair is the pseudo zero-value of SamplePair used to signal a +// non-existing sample pair. It is a SamplePair with timestamp Earliest and +// value 0.0. Note that the natural zero value of SamplePair has a timestamp +// of 0, which is possible to appear in a real SamplePair and thus not +// suitable to signal a non-existing SamplePair. +var ZeroSamplePair = SamplePair{Timestamp: Earliest} // A SampleValue is a representation of a value for a given sample at a given // time. diff --git a/vendor/github.com/prometheus/procfs/Makefile.common b/vendor/github.com/prometheus/procfs/Makefile.common index 062a2818..92558151 100644 --- a/vendor/github.com/prometheus/procfs/Makefile.common +++ b/vendor/github.com/prometheus/procfs/Makefile.common @@ -61,11 +61,11 @@ PROMU_URL := https://github.com/prometheus/promu/releases/download/v$(PROMU_ SKIP_GOLANGCI_LINT := GOLANGCI_LINT := GOLANGCI_LINT_OPTS ?= -GOLANGCI_LINT_VERSION ?= v1.54.2 -# golangci-lint only supports linux, darwin and windows platforms on i386/amd64. +GOLANGCI_LINT_VERSION ?= v1.55.2 +# golangci-lint only supports linux, darwin and windows platforms on i386/amd64/arm64. # windows isn't included here because of the path separator being different. ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin)) - ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386)) + ifeq ($(GOHOSTARCH),$(filter $(GOHOSTARCH),amd64 i386 arm64)) # If we're in CI and there is an Actions file, that means the linter # is being run in Actions, so we don't need to run it here. ifneq (,$(SKIP_GOLANGCI_LINT)) @@ -169,12 +169,16 @@ common-vet: common-lint: $(GOLANGCI_LINT) ifdef GOLANGCI_LINT @echo ">> running golangci-lint" -# 'go list' needs to be executed before staticcheck to prepopulate the modules cache. -# Otherwise staticcheck might fail randomly for some reason not yet explained. - $(GO) list -e -compiled -test=true -export=false -deps=true -find=false -tags= -- ./... > /dev/null $(GOLANGCI_LINT) run $(GOLANGCI_LINT_OPTS) $(pkgs) endif +.PHONY: common-lint-fix +common-lint-fix: $(GOLANGCI_LINT) +ifdef GOLANGCI_LINT + @echo ">> running golangci-lint fix" + $(GOLANGCI_LINT) run --fix $(GOLANGCI_LINT_OPTS) $(pkgs) +endif + .PHONY: common-yamllint common-yamllint: @echo ">> running yamllint on all YAML files in the repository" diff --git a/vendor/github.com/prometheus/procfs/crypto.go b/vendor/github.com/prometheus/procfs/crypto.go index 9a73e263..13ee66f1 100644 --- a/vendor/github.com/prometheus/procfs/crypto.go +++ b/vendor/github.com/prometheus/procfs/crypto.go @@ -84,7 +84,7 @@ func parseCrypto(r io.Reader) ([]Crypto, error) { kv := strings.Split(text, ":") if len(kv) != 2 { - return nil, fmt.Errorf("%w: Cannot parae line: %q", ErrFileParse, text) + return nil, fmt.Errorf("%w: Cannot parse line: %q", ErrFileParse, text) } k := strings.TrimSpace(kv[0]) diff --git a/vendor/github.com/prometheus/procfs/meminfo.go b/vendor/github.com/prometheus/procfs/meminfo.go index eaf00e22..73a03e8a 100644 --- a/vendor/github.com/prometheus/procfs/meminfo.go +++ b/vendor/github.com/prometheus/procfs/meminfo.go @@ -126,6 +126,7 @@ type Meminfo struct { VmallocUsed *uint64 // largest contiguous block of vmalloc area which is free VmallocChunk *uint64 + Percpu *uint64 HardwareCorrupted *uint64 AnonHugePages *uint64 ShmemHugePages *uint64 @@ -140,6 +141,55 @@ type Meminfo struct { DirectMap4k *uint64 DirectMap2M *uint64 DirectMap1G *uint64 + + // The struct fields below are the byte-normalized counterparts to the + // existing struct fields. Values are normalized using the optional + // unit field in the meminfo line. + MemTotalBytes *uint64 + MemFreeBytes *uint64 + MemAvailableBytes *uint64 + BuffersBytes *uint64 + CachedBytes *uint64 + SwapCachedBytes *uint64 + ActiveBytes *uint64 + InactiveBytes *uint64 + ActiveAnonBytes *uint64 + InactiveAnonBytes *uint64 + ActiveFileBytes *uint64 + InactiveFileBytes *uint64 + UnevictableBytes *uint64 + MlockedBytes *uint64 + SwapTotalBytes *uint64 + SwapFreeBytes *uint64 + DirtyBytes *uint64 + WritebackBytes *uint64 + AnonPagesBytes *uint64 + MappedBytes *uint64 + ShmemBytes *uint64 + SlabBytes *uint64 + SReclaimableBytes *uint64 + SUnreclaimBytes *uint64 + KernelStackBytes *uint64 + PageTablesBytes *uint64 + NFSUnstableBytes *uint64 + BounceBytes *uint64 + WritebackTmpBytes *uint64 + CommitLimitBytes *uint64 + CommittedASBytes *uint64 + VmallocTotalBytes *uint64 + VmallocUsedBytes *uint64 + VmallocChunkBytes *uint64 + PercpuBytes *uint64 + HardwareCorruptedBytes *uint64 + AnonHugePagesBytes *uint64 + ShmemHugePagesBytes *uint64 + ShmemPmdMappedBytes *uint64 + CmaTotalBytes *uint64 + CmaFreeBytes *uint64 + HugepagesizeBytes *uint64 + DirectMap4kBytes *uint64 + DirectMap2MBytes *uint64 + DirectMap1GBytes *uint64 } // Meminfo returns an information about current kernel/system memory statistics. @@ -162,114 +212,176 @@ func parseMemInfo(r io.Reader) (*Meminfo, error) { var m Meminfo s := bufio.NewScanner(r) for s.Scan() { - // Each line has at least a name and value; we ignore the unit. fields := strings.Fields(s.Text()) - if len(fields) < 2 { - return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, s.Text()) - } + var val, valBytes uint64 - v, err := strconv.ParseUint(fields[1], 0, 64) + val, err := strconv.ParseUint(fields[1], 0, 64) if err != nil { return nil, err } + switch len(fields) { + case 2: + // No unit present, use the parsed the value as bytes directly. + valBytes = val + case 3: + // Unit present in optional 3rd field, convert it to + // bytes. The only unit supported within the Linux + // kernel is `kB`. + if fields[2] != "kB" { + return nil, fmt.Errorf("%w: Unsupported unit in optional 3rd field %q", ErrFileParse, fields[2]) + } + + valBytes = 1024 * val + + default: + return nil, fmt.Errorf("%w: Malformed line %q", ErrFileParse, s.Text()) + } + switch fields[0] { case "MemTotal:": - m.MemTotal = &v + m.MemTotal = &val + m.MemTotalBytes = &valBytes case "MemFree:": - m.MemFree = &v + m.MemFree = &val + m.MemFreeBytes = &valBytes case "MemAvailable:": - m.MemAvailable = &v + m.MemAvailable = &val + m.MemAvailableBytes = &valBytes case "Buffers:": - m.Buffers = &v + m.Buffers = &val + m.BuffersBytes = &valBytes case "Cached:": - m.Cached = &v + m.Cached = &val + m.CachedBytes = &valBytes case "SwapCached:": - m.SwapCached = &v + m.SwapCached = &val + m.SwapCachedBytes = &valBytes case "Active:": - m.Active = &v + m.Active = &val + m.ActiveBytes = &valBytes case "Inactive:": - m.Inactive = &v + m.Inactive = &val + m.InactiveBytes = &valBytes case "Active(anon):": - m.ActiveAnon = &v + m.ActiveAnon = &val + m.ActiveAnonBytes = &valBytes case "Inactive(anon):": - m.InactiveAnon = &v + m.InactiveAnon = &val + m.InactiveAnonBytes = &valBytes case "Active(file):": - m.ActiveFile = &v + m.ActiveFile = &val + m.ActiveFileBytes = &valBytes case "Inactive(file):": - m.InactiveFile = &v + m.InactiveFile = &val + m.InactiveFileBytes = &valBytes case "Unevictable:": - m.Unevictable = &v + m.Unevictable = &val + m.UnevictableBytes = &valBytes case "Mlocked:": - m.Mlocked = &v + m.Mlocked = &val + m.MlockedBytes = &valBytes case "SwapTotal:": - m.SwapTotal = &v + m.SwapTotal = &val + m.SwapTotalBytes = &valBytes case "SwapFree:": - m.SwapFree = &v + m.SwapFree = &val + m.SwapFreeBytes = &valBytes case "Dirty:": - m.Dirty = &v + m.Dirty = &val + m.DirtyBytes = &valBytes case "Writeback:": - m.Writeback = &v + m.Writeback = &val + m.WritebackBytes = &valBytes case "AnonPages:": - m.AnonPages = &v + m.AnonPages = &val + m.AnonPagesBytes = &valBytes case "Mapped:": - m.Mapped = &v + m.Mapped = &val + m.MappedBytes = &valBytes case "Shmem:": - m.Shmem = &v + m.Shmem = &val + m.ShmemBytes = &valBytes case "Slab:": - m.Slab = &v + m.Slab = &val + m.SlabBytes = &valBytes case "SReclaimable:": - m.SReclaimable = &v + m.SReclaimable = &val + m.SReclaimableBytes = &valBytes case "SUnreclaim:": - m.SUnreclaim = &v + m.SUnreclaim = &val + m.SUnreclaimBytes = &valBytes case "KernelStack:": - m.KernelStack = &v + m.KernelStack = &val + m.KernelStackBytes = &valBytes case "PageTables:": - m.PageTables = &v + m.PageTables = &val + m.PageTablesBytes = &valBytes case "NFS_Unstable:": - m.NFSUnstable = &v + m.NFSUnstable = &val + m.NFSUnstableBytes = &valBytes case "Bounce:": - m.Bounce = &v + m.Bounce = &val + m.BounceBytes = &valBytes case "WritebackTmp:": - m.WritebackTmp = &v + m.WritebackTmp = &val + m.WritebackTmpBytes = &valBytes case "CommitLimit:": - m.CommitLimit = &v + m.CommitLimit = &val + m.CommitLimitBytes = &valBytes case "Committed_AS:": - m.CommittedAS = &v + m.CommittedAS = &val + m.CommittedASBytes = &valBytes case "VmallocTotal:": - m.VmallocTotal = &v + m.VmallocTotal = &val + m.VmallocTotalBytes = &valBytes case "VmallocUsed:": - m.VmallocUsed = &v + m.VmallocUsed = &val + m.VmallocUsedBytes = &valBytes case "VmallocChunk:": - m.VmallocChunk = &v + m.VmallocChunk = &val + m.VmallocChunkBytes = &valBytes + case "Percpu:": + m.Percpu = &val + m.PercpuBytes = &valBytes case "HardwareCorrupted:": - m.HardwareCorrupted = &v + m.HardwareCorrupted = &val + m.HardwareCorruptedBytes = &valBytes case "AnonHugePages:": - m.AnonHugePages = &v + m.AnonHugePages = &val + m.AnonHugePagesBytes = &valBytes case "ShmemHugePages:": - m.ShmemHugePages = &v + m.ShmemHugePages = &val + m.ShmemHugePagesBytes = &valBytes case "ShmemPmdMapped:": - m.ShmemPmdMapped = &v + m.ShmemPmdMapped = &val + m.ShmemPmdMappedBytes = &valBytes case "CmaTotal:": - m.CmaTotal = &v + m.CmaTotal = &val + m.CmaTotalBytes = &valBytes case "CmaFree:": - m.CmaFree = &v + m.CmaFree = &val + m.CmaFreeBytes = &valBytes case "HugePages_Total:": - m.HugePagesTotal = &v + m.HugePagesTotal = &val case "HugePages_Free:": - m.HugePagesFree = &v + m.HugePagesFree = &val case "HugePages_Rsvd:": - m.HugePagesRsvd = &v + m.HugePagesRsvd = &val case "HugePages_Surp:": - m.HugePagesSurp = &v + m.HugePagesSurp = &val case "Hugepagesize:": - m.Hugepagesize = &v + m.Hugepagesize = &val + m.HugepagesizeBytes = &valBytes case "DirectMap4k:": - m.DirectMap4k = &v + m.DirectMap4k = &val + m.DirectMap4kBytes = &valBytes case "DirectMap2M:": - m.DirectMap2M = &v + m.DirectMap2M = &val + m.DirectMap2MBytes = &valBytes case "DirectMap1G:": - m.DirectMap1G = &v + m.DirectMap1G = &val + m.DirectMap1GBytes = &valBytes } } diff --git a/vendor/github.com/prometheus/procfs/net_ip_socket.go b/vendor/github.com/prometheus/procfs/net_ip_socket.go index 4da81ea5..ba7d9caa 100644 --- a/vendor/github.com/prometheus/procfs/net_ip_socket.go +++ b/vendor/github.com/prometheus/procfs/net_ip_socket.go @@ -50,10 +50,13 @@ type ( // UsedSockets shows the total number of parsed lines representing the // number of used sockets. UsedSockets uint64 + // Drops shows the total number of dropped packets of all UPD sockets. + Drops *uint64 } // netIPSocketLine represents the fields parsed from a single line // in /proc/net/{t,u}dp{,6}. Fields which are not used by IPSocket are skipped. + // Drops is non-nil for udp{,6}, but nil for tcp{,6}. // For the proc file format details, see https://linux.die.net/man/5/proc. netIPSocketLine struct { Sl uint64 @@ -66,6 +69,7 @@ type ( RxQueue uint64 UID uint64 Inode uint64 + Drops *uint64 } ) @@ -77,13 +81,14 @@ func newNetIPSocket(file string) (NetIPSocket, error) { defer f.Close() var netIPSocket NetIPSocket + isUDP := strings.Contains(file, "udp") lr := io.LimitReader(f, readLimit) s := bufio.NewScanner(lr) s.Scan() // skip first line with headers for s.Scan() { fields := strings.Fields(s.Text()) - line, err := parseNetIPSocketLine(fields) + line, err := parseNetIPSocketLine(fields, isUDP) if err != nil { return nil, err } @@ -104,19 +109,25 @@ func newNetIPSocketSummary(file string) (*NetIPSocketSummary, error) { defer f.Close() var netIPSocketSummary NetIPSocketSummary + var udpPacketDrops uint64 + isUDP := strings.Contains(file, "udp") lr := io.LimitReader(f, readLimit) s := bufio.NewScanner(lr) s.Scan() // skip first line with headers for s.Scan() { fields := strings.Fields(s.Text()) - line, err := parseNetIPSocketLine(fields) + line, err := parseNetIPSocketLine(fields, isUDP) if err != nil { return nil, err } netIPSocketSummary.TxQueueLength += line.TxQueue netIPSocketSummary.RxQueueLength += line.RxQueue netIPSocketSummary.UsedSockets++ + if isUDP { + udpPacketDrops += *line.Drops + netIPSocketSummary.Drops = &udpPacketDrops + } } if err := s.Err(); err != nil { return nil, err @@ -149,7 +160,7 @@ func parseIP(hexIP string) (net.IP, error) { } // parseNetIPSocketLine parses a single line, represented by a list of fields. -func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) { +func parseNetIPSocketLine(fields []string, isUDP bool) (*netIPSocketLine, error) { line := &netIPSocketLine{} if len(fields) < 10 { return nil, fmt.Errorf( @@ -224,5 +235,14 @@ func parseNetIPSocketLine(fields []string) (*netIPSocketLine, error) { return nil, fmt.Errorf("%s: Cannot parse inode value in %q: %w", ErrFileParse, line.Inode, err) } + // drops + if isUDP { + drops, err := strconv.ParseUint(fields[12], 0, 64) + if err != nil { + return nil, fmt.Errorf("%s: Cannot parse drops value in %q: %w", ErrFileParse, drops, err) + } + line.Drops = &drops + } + return line, nil } diff --git a/vendor/github.com/prometheus/procfs/net_tls_stat.go b/vendor/github.com/prometheus/procfs/net_tls_stat.go new file mode 100644 index 00000000..13994c17 --- /dev/null +++ b/vendor/github.com/prometheus/procfs/net_tls_stat.go @@ -0,0 +1,119 @@ +// Copyright 2023 Prometheus Team +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package procfs + +import ( + "bufio" + "fmt" + "os" + "strconv" + "strings" +) + +// TLSStat struct represents data in /proc/net/tls_stat. +// See https://docs.kernel.org/networking/tls.html#statistics +type TLSStat struct { + // number of TX sessions currently installed where host handles cryptography + TLSCurrTxSw int + // number of RX sessions currently installed where host handles cryptography + TLSCurrRxSw int + // number of TX sessions currently installed where NIC handles cryptography + TLSCurrTxDevice int + // number of RX sessions currently installed where NIC handles cryptography + TLSCurrRxDevice int + //number of TX sessions opened with host cryptography + TLSTxSw int + //number of RX sessions opened with host cryptography + TLSRxSw int + // number of TX sessions opened with NIC cryptography + TLSTxDevice int + // number of RX sessions opened with NIC cryptography + TLSRxDevice int + // record decryption failed (e.g. due to incorrect authentication tag) + TLSDecryptError int + // number of RX resyncs sent to NICs handling cryptography + TLSRxDeviceResync int + // number of RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. Note that this counter will also increment for non-data records. + TLSDecryptRetry int + // number of data RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. + TLSRxNoPadViolation int +} + +// NewTLSStat reads the tls_stat statistics. +func NewTLSStat() (TLSStat, error) { + fs, err := NewFS(DefaultMountPoint) + if err != nil { + return TLSStat{}, err + } + + return fs.NewTLSStat() +} + +// NewTLSStat reads the tls_stat statistics. +func (fs FS) NewTLSStat() (TLSStat, error) { + file, err := os.Open(fs.proc.Path("net/tls_stat")) + if err != nil { + return TLSStat{}, err + } + defer file.Close() + + var ( + tlsstat = TLSStat{} + s = bufio.NewScanner(file) + ) + + for s.Scan() { + fields := strings.Fields(s.Text()) + + if len(fields) != 2 { + return TLSStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text()) + } + + name := fields[0] + value, err := strconv.Atoi(fields[1]) + if err != nil { + return TLSStat{}, err + } + + switch name { + case "TlsCurrTxSw": + tlsstat.TLSCurrTxSw = value + case "TlsCurrRxSw": + tlsstat.TLSCurrRxSw = value + case "TlsCurrTxDevice": + tlsstat.TLSCurrTxDevice = value + case "TlsCurrRxDevice": + tlsstat.TLSCurrRxDevice = value + case "TlsTxSw": + tlsstat.TLSTxSw = value + case "TlsRxSw": + tlsstat.TLSRxSw = value + case "TlsTxDevice": + tlsstat.TLSTxDevice = value + case "TlsRxDevice": + tlsstat.TLSRxDevice = value + case "TlsDecryptError": + tlsstat.TLSDecryptError = value + case "TlsRxDeviceResync": + tlsstat.TLSRxDeviceResync = value + case "TlsDecryptRetry": + tlsstat.TLSDecryptRetry = value + case "TlsRxNoPadViolation": + tlsstat.TLSRxNoPadViolation = value + } + + } + + return tlsstat, s.Err() +} diff --git a/vendor/github.com/prometheus/procfs/proc_stat.go b/vendor/github.com/prometheus/procfs/proc_stat.go index 923e5500..06a8d931 100644 --- a/vendor/github.com/prometheus/procfs/proc_stat.go +++ b/vendor/github.com/prometheus/procfs/proc_stat.go @@ -110,6 +110,11 @@ type ProcStat struct { Policy uint // Aggregated block I/O delays, measured in clock ticks (centiseconds). DelayAcctBlkIOTicks uint64 + // Guest time of the process (time spent running a virtual CPU for a guest + // operating system), measured in clock ticks. + GuestTime int + // Guest time of the process's children, measured in clock ticks. + CGuestTime int proc FS } @@ -189,6 +194,8 @@ func (p Proc) Stat() (ProcStat, error) { &s.RTPriority, &s.Policy, &s.DelayAcctBlkIOTicks, + &s.GuestTime, + &s.CGuestTime, ) if err != nil { return ProcStat{}, err diff --git a/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go b/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go new file mode 100644 index 00000000..2ef36bbc --- /dev/null +++ b/vendor/google.golang.org/protobuf/encoding/protodelim/protodelim.go @@ -0,0 +1,160 @@ +// Copyright 2022 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package protodelim marshals and unmarshals varint size-delimited messages. +package protodelim + +import ( + "bufio" + "encoding/binary" + "fmt" + "io" + + "google.golang.org/protobuf/encoding/protowire" + "google.golang.org/protobuf/internal/errors" + "google.golang.org/protobuf/proto" +) + +// MarshalOptions is a configurable varint size-delimited marshaler. +type MarshalOptions struct{ proto.MarshalOptions } + +// MarshalTo writes a varint size-delimited wire-format message to w. +// If w returns an error, MarshalTo returns it unchanged. +func (o MarshalOptions) MarshalTo(w io.Writer, m proto.Message) (int, error) { + msgBytes, err := o.MarshalOptions.Marshal(m) + if err != nil { + return 0, err + } + + sizeBytes := protowire.AppendVarint(nil, uint64(len(msgBytes))) + sizeWritten, err := w.Write(sizeBytes) + if err != nil { + return sizeWritten, err + } + msgWritten, err := w.Write(msgBytes) + if err != nil { + return sizeWritten + msgWritten, err + } + return sizeWritten + msgWritten, nil +} + +// MarshalTo writes a varint size-delimited wire-format message to w +// with the default options. +// +// See the documentation for [MarshalOptions.MarshalTo]. +func MarshalTo(w io.Writer, m proto.Message) (int, error) { + return MarshalOptions{}.MarshalTo(w, m) +} + +// UnmarshalOptions is a configurable varint size-delimited unmarshaler. +type UnmarshalOptions struct { + proto.UnmarshalOptions + + // MaxSize is the maximum size in wire-format bytes of a single message. + // Unmarshaling a message larger than MaxSize will return an error. + // A zero MaxSize will default to 4 MiB. + // Setting MaxSize to -1 disables the limit. + MaxSize int64 +} + +const defaultMaxSize = 4 << 20 // 4 MiB, corresponds to the default gRPC max request/response size + +// SizeTooLargeError is an error that is returned when the unmarshaler encounters a message size +// that is larger than its configured [UnmarshalOptions.MaxSize]. +type SizeTooLargeError struct { + // Size is the varint size of the message encountered + // that was larger than the provided MaxSize. + Size uint64 + + // MaxSize is the MaxSize limit configured in UnmarshalOptions, which Size exceeded. + MaxSize uint64 +} + +func (e *SizeTooLargeError) Error() string { + return fmt.Sprintf("message size %d exceeded unmarshaler's maximum configured size %d", e.Size, e.MaxSize) +} + +// Reader is the interface expected by [UnmarshalFrom]. +// It is implemented by *[bufio.Reader]. +type Reader interface { + io.Reader + io.ByteReader +} + +// UnmarshalFrom parses and consumes a varint size-delimited wire-format message +// from r. +// The provided message must be mutable (e.g., a non-nil pointer to a message). +// +// The error is [io.EOF] error only if no bytes are read. +// If an EOF happens after reading some but not all the bytes, +// UnmarshalFrom returns a non-io.EOF error. +// In particular if r returns a non-io.EOF error, UnmarshalFrom returns it unchanged, +// and if only a size is read with no subsequent message, [io.ErrUnexpectedEOF] is returned. +func (o UnmarshalOptions) UnmarshalFrom(r Reader, m proto.Message) error { + var sizeArr [binary.MaxVarintLen64]byte + sizeBuf := sizeArr[:0] + for i := range sizeArr { + b, err := r.ReadByte() + if err != nil { + // Immediate EOF is unexpected. + if err == io.EOF && i != 0 { + break + } + return err + } + sizeBuf = append(sizeBuf, b) + if b < 0x80 { + break + } + } + size, n := protowire.ConsumeVarint(sizeBuf) + if n < 0 { + return protowire.ParseError(n) + } + + maxSize := o.MaxSize + if maxSize == 0 { + maxSize = defaultMaxSize + } + if maxSize != -1 && size > uint64(maxSize) { + return errors.Wrap(&SizeTooLargeError{Size: size, MaxSize: uint64(maxSize)}, "") + } + + var b []byte + var err error + if br, ok := r.(*bufio.Reader); ok { + // Use the []byte from the bufio.Reader instead of having to allocate one. + // This reduces CPU usage and allocated bytes. + b, err = br.Peek(int(size)) + if err == nil { + defer br.Discard(int(size)) + } else { + b = nil + } + } + if b == nil { + b = make([]byte, size) + _, err = io.ReadFull(r, b) + } + + if err == io.EOF { + return io.ErrUnexpectedEOF + } + if err != nil { + return err + } + if err := o.Unmarshal(b, m); err != nil { + return err + } + return nil +} + +// UnmarshalFrom parses and consumes a varint size-delimited wire-format message +// from r with the default options. +// The provided message must be mutable (e.g., a non-nil pointer to a message). +// +// See the documentation for [UnmarshalOptions.UnmarshalFrom]. +func UnmarshalFrom(r Reader, m proto.Message) error { + return UnmarshalOptions{}.UnmarshalFrom(r, m) +} diff --git a/vendor/modules.txt b/vendor/modules.txt index 5917f01b..12effd54 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -46,7 +46,7 @@ github.com/Microsoft/hcsshim/osversion github.com/Microsoft/hcsshim/pkg/ociwclayer # github.com/VividCortex/ewma v1.2.0 ## explicit; go 1.12 -# github.com/alexellis/arkade v0.0.0-20240315144638-acb1bd999ac8 +# github.com/alexellis/arkade v0.0.0-20240320084407-6cf4a641c415 ## explicit; go 1.21 github.com/alexellis/arkade/pkg/env # github.com/alexellis/go-execute/v2 v2.2.1 @@ -285,7 +285,6 @@ github.com/klauspost/compress/zstd/internal/xxhash github.com/mattn/go-shellwords # github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 ## explicit; go 1.19 -github.com/matttproud/golang_protobuf_extensions/v2/pbutil # github.com/mitchellh/go-homedir v1.1.0 ## explicit # github.com/mitchellh/mapstructure v1.5.0 @@ -341,21 +340,21 @@ github.com/openfaas/faas-provider/types # github.com/pkg/errors v0.9.1 ## explicit github.com/pkg/errors -# github.com/prometheus/client_golang v1.18.0 -## explicit; go 1.19 +# github.com/prometheus/client_golang v1.19.0 +## explicit; go 1.20 github.com/prometheus/client_golang/prometheus github.com/prometheus/client_golang/prometheus/internal github.com/prometheus/client_golang/prometheus/promauto github.com/prometheus/client_golang/prometheus/promhttp -# github.com/prometheus/client_model v0.5.0 +# github.com/prometheus/client_model v0.6.0 ## explicit; go 1.19 github.com/prometheus/client_model/go -# github.com/prometheus/common v0.45.0 -## explicit; go 1.20 +# github.com/prometheus/common v0.51.1 +## explicit; go 1.21 github.com/prometheus/common/expfmt github.com/prometheus/common/internal/bitbucket.org/ww/goautoneg github.com/prometheus/common/model -# github.com/prometheus/procfs v0.12.0 +# github.com/prometheus/procfs v0.13.0 ## explicit; go 1.19 github.com/prometheus/procfs github.com/prometheus/procfs/internal/fs @@ -523,6 +522,7 @@ google.golang.org/grpc/status google.golang.org/grpc/tap # google.golang.org/protobuf v1.33.0 ## explicit; go 1.17 +google.golang.org/protobuf/encoding/protodelim google.golang.org/protobuf/encoding/protojson google.golang.org/protobuf/encoding/prototext google.golang.org/protobuf/encoding/protowire