name: Upload to GCS
inputs:
- {name: Data}
- {name: GCS path, type: String}
outputs:
- {name: GCS path, type: String}
implementation:
    container:
        image: google/cloud-sdk
        command:
        - sh
        - -ex
        - -c
        - |
            if [ -n "${GOOGLE_APPLICATION_CREDENTIALS}" ]; then
                gcloud auth activate-service-account --key-file="${GOOGLE_APPLICATION_CREDENTIALS}"
            fi
            gsutil cp -r "$0" "$1"
            mkdir -p "$(dirname "$2")"
            echo "$1" > "$2"
        - inputPath: Data
        - inputValue: GCS path
        - outputPath: GCS path