base_path: .

commands:
  - name: capacity
    description: Calculate a service's total worker capacity
    flags:
      - name: replicas
        type: string
        default: "2"
        description: Number of service replicas
    steps:
      - name: capacity
        type: script
        interpreter: starlark
        show:
          labels: false
        script: |
          replicas = int(ctx.flags["replicas"])
          if replicas < 1:
              fail("replicas must be positive")
          workers_per_replica = 4
          ui.success("{} replicas x {} workers = {} workers".format(
              replicas, workers_per_replica, replicas * workers_per_replica,
          ))