agent-stack-k8s/internal/integration/fixtures/extra-volume-mounts-sidecar.yaml at 6425aac06ec5d3968aa2fbf3688f5d840a503af5 · buildkite/agent-stack-k8s · GitHub

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agents:
  queue: "{{.queue}}"
steps:
  - label: ":k8s: Write file to extraVolumeMount on sidecar containers"
    key: write-file-to-extra-volume-mount-sidecar
    plugins:
      - kubernetes:
          sidecars:
            - image: alpine:latest
              volumeMounts:
                - name: host-volume
                  mountPath: /tmp/extra-volume-mount
                  subPath: extra-volume-mount
                - name: host-volume
                  mountPath: /tmp/extra-volume-mount-sidecar
                  subPath: extra-volume-mount-sidecar
              command: ["sh"]
              args:
                - "-c"
                - |-
                  touch /tmp/extra-volume-mount-sidecar/pass-the-parcel
                  rm -f "/tmp/extra-volume-mount/pass-the-parcel"
                  mv /tmp/extra-volume-mount-sidecar/pass-the-parcel /tmp/extra-volume-mount/pass-the-parcel
                  ls -lah /tmp/extra-volume-mount-sidecar
                  ls -lah /tmp/extra-volume-mount
                  # So Kubernetes can mark this as Started
                  # In reality a sidecar should not be used like this.
                  # As this is effectively an ad-hoc initContainer.
                  sleep infinity
          podSpec:
            containers:
              - image: alpine:latest
                volumeMounts:
                  - name: host-volume-duplicate
                    mountPath: /tmp/extra-volume-mount
                    subPath: extra-volume-mount
                  - name: host-volume-duplicate
                    mountPath: /tmp/extra-volume-mount-sidecar
                    subPath: extra-volume-mount-sidecar
                command:
                  - |-
                    COUNT=0
                    until [[ $$((COUNT++)) == 15 ]]; do
                      [[ -f "/tmp/extra-volume-mount/pass-the-parcel" ]] && break
                      echo "⚠️   Waiting for my package to be delivered..."
                      sleep 1
                    done

                    if ! [[ -f "/tmp/extra-volume-mount/pass-the-parcel" ]]; then
                      echo "⛔ My package has not been delivered!"
                      exit 1
                    fi

                    echo "✅ My package has been delivered!"
                    rm -f "/tmp/extra-volume-mount/pass-the-parcel"
            volumes:
              - name: host-volume
                hostPath:
                  path: "/tmp/volumes/{{.queue}}"
                  type: DirectoryOrCreate
              - name: host-volume-duplicate
                hostPath:
                  path: "/tmp/volumes/{{.queue}}"
                  type: DirectoryOrCreate
          sidecarParams:
            extraVolumeMounts:
              - name: host-volume
                mountPath: /tmp/extra-volume-mount-sidecar
                subPath: extra-volume-mount-sidecar
              - name: host-volume-duplicate
                mountPath: /tmp/extra-volume-mount-sidecar
                subPath: extra-volume-mount-sidecar
          extraVolumeMounts:
            - name: host-volume
              mountPath: /tmp/extra-volume-mount
              subPath: extra-volume-mount
            - name: host-volume-duplicate
              mountPath: /tmp/extra-volume-mount
              subPath: extra-volume-mount