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fleetlock

Notable changes between versions.

Latest

v0.4.0

  • Identify Kubelet nodes via MachineID instead of SystemUUID (action required) (#96)
    • Host SystemUUID and MachineID are identical on most platforms, but not on Azure or bare-metal
    • Kubelet detected SystemUUID via sysfs, but MachineID requires Kubelet be able to read /etc/machine-id from the host (ro mount when Kubelet run as a container) (action required)
    • Add support for Azure and bare-metal plaforms by changing to MachineID
  • Reset fleet_lock_state gauge on first lock or unlock call (#71)
  • Improve reject reply when a client attempts to unlock a lock it doesn't own (#71)

v0.3.0

  • Add support for Kubernetes node draining (#51)
  • Automate base image, Go version, and module dependency updates
  • Build multi-arch container images (amd64, arm64) (#15)
  • Switch to using the Prometheus collectors package (#37)

v0.2.0

  • Add Prometheus /metrics endpoint (#4)
  • Add JSON error responses (#9)
  • Fix -version command output (#6)

v0.1.0

  • Implement the FleetLock protocol backed by Kubernetes coordination API
  • Support reboot groups with separate fleetlock-group Leases
  • Use a Role with coordination lease create, get, and update
    • Respect NAMESPACE if set via downward API, default to "default"