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Demo - Restful-based file system client

Alluxio provides an access interface based on the Restful API for secondary development in Python, Java and Golang. AlluxioRuntime also provides support for this, and the feature is not turned on by default. It can be turned on via a CRD declaration.

Running

  1. Create Dataset and AlluxioRuntime resource objects
$ cat<<EOF >dataset.yaml
apiVersion: data.fluid.io/v1alpha1
kind: Dataset
metadata:
  name: spark
spec:
  mounts:
    - mountPoint: https://mirrors.bit.edu.cn/apache/spark/
      name: spark
---
apiVersion: data.fluid.io/v1alpha1
kind: AlluxioRuntime
metadata:
  name: spark
spec:
  replicas: 1
  tieredstore:
    levels:
      - mediumtype: MEM
        path: /dev/shm
        quota: 1Gi
        high: "0.95"
        low: "0.7"
  properties:
    alluxio.user.streaming.data.timeout: 300sec
  apiGateway:
    enabled: true
EOF

Note: Just set apiGateway to true to enable this capability.

  1. Check Access Endpoint
$  kubectl get alluxioruntimes.data.fluid.io  -owide
NAME    READY MASTERS   DESIRED MASTERS   MASTER PHASE   READY WORKERS   DESIRED WORKERS   WORKER PHASE   READY FUSES   DESIRED FUSES   FUSE PHASE   API GATEWAY                    AGE
spark   1               1                 Ready          1               1                 Ready          0             0               Ready        spark-master-0.default:20009   110s

You can see that the API Gateway is accessed at spark-master-0.default:20009. You can access it from this address.