job-runner.yaml

name: dispatch job

on:
  workflow_dispatch:
    inputs:
      repo:
        description: 'The https github url for the recipe feedstock'
        required: true
      ref:
        description: 'The tag or branch to target in your recipe repo'
        required: true
        default: 'main'
      feedstock_subdir:
        description: 'The subdir of the feedstock directory in the repo'
        required: true
        default: 'feedstock'
      bucket:
        description: 'This job runner leverages s3fs.S3FileSystem for your recipe cache and output. Choices currently are: "default"'
        required: true
        default: 'default'
      prune:
        description: 'Only run the first two time steps'
        required: true
        default: 'False'
      parallelism:
        description: 'Number of task managers to spin up'
        required: true
        default: '1'

jobs:
  name-job:
    runs-on: ubuntu-latest
    outputs:
      repo_name: ${{ steps.string_manipulation.outputs.result }}
    steps:
      - name: manipuluate strings
        id: string_manipulation
        run: |
          repo_name=$(basename -s .git "${{ github.event.inputs.repo }}")
          echo "result=$repo_name" >> $GITHUB_OUTPUT
  run-job:
    name: kickoff job ${{ needs.name-job.outputs.repo_name }}@${{ github.event.inputs.ref }}
    needs: name-job
    outputs:
      job_name: ${{ steps.report_ids.outputs.job_name }}
      job_id: ${{ steps.report_ids.outputs.job_id }}
    runs-on: ubuntu-latest
    steps:

    - name: checkout repository
      uses: actions/checkout@v3


    - name: set up python 3.10
      uses: actions/setup-python@v3
      with:
        python-version: '3.10'

    - name: echo server
      run: |
        echo "Manually triggered workflow:  \
          ${{ github.event.inputs.repo }} \
          ${{ github.event.inputs.ref }} \
          ${{ github.event.inputs.bucket }} \
          ${{ github.event.inputs.parallelism }} \
          ${{ github.event.inputs.prune }}"

    - name: install deps
      run: |
        # TODO: move to requirements file
        python -m pip install --upgrade pip
        pip install \
          fsspec \
          s3fs \
          apache-beam==2.52.0 \
          pangeo-forge-recipes>=0.10.0 \
          pangeo-forge-runner>=0.9.1

    - name: set up aws credentials for job runner user
      uses: aws-actions/configure-aws-credentials@v2
      with:
        aws-access-key-id: ${{ secrets.GH_ACTIONS_AWS_ACCESS_KEY_ID }}
        aws-secret-access-key: ${{ secrets.GH_ACTIONS_AWS_SECRET_ACCESS_KEY }}
        aws-region: ${{ secrets.GH_ACTIONS_AWS_REGION }}

    - name: install kubectl
      run: |
        curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
        chmod +x ./kubectl
        sudo mv ./kubectl /usr/local/bin/kubectl

    - name: update kubeconfig with cluster
      run: |
        aws eks update-kubeconfig --name pangeo-forge-v3 --region ${{ secrets.GH_ACTIONS_AWS_REGION }}

    - name: execute recipe on k8s cluster
      id: executejob
      continue-on-error: true
      run: |
        pangeo-forge-runner \
          bake \
          --repo=${{ github.event.inputs.repo }} \
          --ref=${{ github.event.inputs.ref }} \
          -f .github/workflows/config.py > execute.log

        # show all logs
        cat execute.log

        # export all the valuable information from the logs
        JOB_NAME=$(cat execute.log | grep -oP 'flinkdeployment\.flink\.apache\.org/\K[^ ]+' | head -n1)
        echo "JOB_NAME=$JOB_NAME" >> $GITHUB_ENV

        JOB_ID=$(cat execute.log | grep -oP 'Started Flink job as \K[^ ]+')
        echo "JOB_ID=$JOB_ID" >> $GITHUB_ENV

        FLINK_DASH=$(cat execute.log | grep -oP "You can run '\K[^']+(?=')")
        echo "FLINK_DASH=$FLINK_DASH" >> $GITHUB_ENV
      env:
        REPO: ${{ github.event.inputs.repo }}
        REF: ${{ github.event.inputs.ref }}
        FEEDSTOCK_SUBDIR: ${{ github.event.inputs.feedstock_subdir }}
        PRUNE_OPTION: ${{ github.event.inputs.prune }}
        PARALLELISM_OPTION: ${{ github.event.inputs.parallelism }}
        S3_BUCKET: ${{ github.event.inputs.bucket }}
        S3_DEFAULT_AWS_ACCESS_KEY_ID: ${{ secrets.S3_DEFAULT_AWS_ACCESS_KEY_ID }}
        S3_DEFAULT_AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_DEFAULT_AWS_SECRET_ACCESS_KEY }}

    - name: cleanup if "pangeo-forge-runner bake" failed
      if: steps.excutejob.outcome == 'failure'
      run: |
        echo "The previous 'bake' command failed or timed out. Running cleanup logic..."

        # much easier to do in bash than in Python via subprocess
        echo "##################### OPERATOR ######################"
        kubectl get pod | grep operator | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | tail -n 1000
        echo "##################### JOB MANAGER ######################"
        kubectl get pod | grep -v manager | grep $JOB_NAME | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | tail -n 1000

        # delete the flinkdeployment so we don't have old failures hanging around
        kubectl get flinkdepoyment --no-headers | grep $JOB_NAME | cut -d' ' -f1 | xargs -I{} kubectl delete flinkdeployment/{}

        # force GH action to show failed result
        exit 128

    - name: report running job id for user
      id: report_ids
      run: |
        # TODO: we also need to report historyserver URL and flink dashboard URL
        # but this also requires us to think how we're going to have a thin
        # layer of authentication around these services so they aren't totally public
        echo '############ JOB NAME ################'
        echo $JOB_NAME
        echo "job_name=$JOB_NAME" >> $GITHUB_OUTPUT
        echo '############ JOB ID ################'
        echo $JOB_ID
        echo "job_id=$JOB_ID" >> $GITHUB_OUTPUT
        echo '############ FLINK DASHBOARD ################'
        echo $FLINK_DASH
        echo "flink_dash=$FLINK_DASH" >> $GITHUB_OUTPUT

  monitor-job:
    runs-on: ubuntu-latest
    name: monitor job ${{ needs.name-job.outputs.repo_name }}@${{ github.event.inputs.ref }}
    needs: [name-job, run-job]
    steps:
      - name: set up aws credentials for job runner user
        uses: aws-actions/configure-aws-credentials@v2
        with:
          aws-access-key-id: ${{ secrets.GH_ACTIONS_AWS_ACCESS_KEY_ID }}
          aws-secret-access-key: ${{ secrets.GH_ACTIONS_AWS_SECRET_ACCESS_KEY }}
          aws-region: ${{ secrets.GH_ACTIONS_AWS_REGION }}

      - name: install kubectl
        run: |
          curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
          chmod +x ./kubectl
          sudo mv ./kubectl /usr/local/bin/kubectl

      - name: update kubeconfig with cluster
        run: |
          aws eks update-kubeconfig --name pangeo-forge-v3 --region ${{ secrets.GH_ACTIONS_AWS_REGION }}

      - name: monitor logs of job manager
        id: monitorjob
        timeout-minutes: 120
        continue-on-error: true
        run: |
          # TODO: this needs to not check the logs but the historyserver status
          # but first we need think about authentication and a reverse proxy
          echo "find job status on the job manager logs..."
          while [[ -z "$(kubectl get pod --no-headers | grep -v manager | grep ${{ needs.run-job.outputs.job_name }} | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | grep 'ExecutionGraph.*Job BeamApp.*from state RUNNING.*' | head -n 1)" ]]; do
            echo "still waiting for a status on the job manager logs..."
            sleep 1
          done

          input_status=$(kubectl get pod --no-headers | grep -v manager | grep ${{ needs.run-job.outputs.job_name }} | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | grep 'ExecutionGraph.*Job BeamApp.*from state RUNNING.*' | head -n 1)
          echo "##### INPUT STATUS #####"
          echo $input_status

          status=$(echo "$input_status" | grep -oP '\b\w+(?=\.$)')
          echo "##### STATUS #####"
          echo $status

          if [[ "$status" == "FAILING" || "$status" == "FAILED" ]]; then
            echo "job failed with '$status', will dump the logs now..."
            # force exit so we can move to next step
            exit 128
          fi

      - name: cleanup if monitor job fails
        if: steps.monitorjob.outcome == 'failure'
        run: |
          # much easier to do in bash than in Python via subprocess
          echo "##################### OPERATOR ######################"
          kubectl get pod | grep operator | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | tail -n 1000
          echo "##################### JOB MANAGER ######################"
          kubectl get pod | grep -v manager | grep ${{ needs.run-job.outputs.job_name }} | cut -d' ' -f1 | xargs -I{} kubectl logs pod/{} | tail -n 1000

          # delete the flinkdeployment so we don't have old failures hanging around
          kubectl get flinkdeployment --no-headers | grep ${{ needs.run-job.outputs.job_name }} | cut -d' ' -f1 | xargs -I{} kubectl delete flinkdeployment/{}

          # force GH action to show failed result
          exit 128