action.yml

name: Netdata
description: Runs Netdata to collect performance metrics during the test run
inputs:
  exporting-config:
    required: true
    description: Contents of netdata/exporting.conf
outputs:
  host-id:
    description: The randomly-generated host ID
    value: ${{ steps.netdata.outputs.hostid }}
runs:
  using: "composite"
  steps:
    - name: Write configuration
      env:
        EXPORTING_CONFIG: ${{ inputs.exporting-config }}
      run: |
        echo "$EXPORTING_CONFIG" > $RUNNER_TEMP/netdata_exporting.conf
      shell: bash
    - name: Start netdata
      id: netdata
      run: |
        hostid="gha${{ github.repository_id }}-${{ github.run_id }}-${{ github.run_attempt }}-$(openssl rand -hex 4)"
        echo "hostid=$hostid" | tee -a "$GITHUB_OUTPUT"
        docker run -d --rm \
          --name netdata \
          --hostname "$hostid" \
          --pid host \
          --network host \
          --cap-add SYS_PTRACE \
          --cap-add SYS_ADMIN \
          --security-opt apparmor=unconfined \
          -v /:/host/root:ro,rslave \
          -v /etc/passwd:/host/etc/passwd:ro \
          -v /etc/group:/host/etc/group:ro \
          -v /etc/localtime:/etc/localtime:ro \
          -v /proc:/host/proc:ro \
          -v /sys:/host/sys:ro \
          -v /etc/os-release:/host/etc/os-release:ro \
          -v /var/log:/host/var/log:ro \
          -v /var/run/docker.sock:/var/run/docker.sock:ro \
          -v /run/dbus:/run/dbus:ro \
          -v $RUNNER_TEMP/netdata_exporting.conf:/etc/netdata/exporting.conf:ro \
          netdata/netdata
      shell: bash