Pool resources example

hier.yaml

application:
  bindings:
    - [vms, component1]
    - [vms, component2]
    - [component1, component2]
  components:
    vms:
      type: workflow.Instance
      interfaces:
        result:
          component1_addresses:
            type: publish-signal(list<string>)
            name: IP addresses for component1
          component2_addresses:
            type: publish-signal(string)
            name: IP addresses for component2
      configuration:
        configuration.workflows:
          launch:
            steps:
              - get_env_props:
                  action: getEnvironmentProperties
                  output:
                    config: result
              - allocate_addresses:
                  action: serviceCall
                  precedingPhases: [ get_env_props ]
                  parameters:
                      service: resource-pool
                      command: allocate-resources
                      arguments:
                        type: ...
                        count: ...
                  output:
                    allocate-result: result
            return:
              component1_addresses:
                value: "{$.allocate-result.resources[0].gs.private}"
              component2_addresses:
                value: "{$.allocate-result.resources[0].app.public}"
    component1:
      tyoe: workflow.Instance
      interfaces:
        result:
          some_value: publish_signal(string)
        vms:
          component1_addresses: consume-signal(list<string>)
      required: [ vms ]
      configuration:
        configuration.workflows:
          launch:
            steps:
              - get_env_props:
                  ...
                  output:
                    config: result
              - provision:
                  precedingPhases: [ get_env_props ]
                  parameters:
                    staticIps: "{$.config.vms.component1_addresses}"
              - next_steps: ...
            return:
              some_value:
                value: ""
     component2:
      tyoe: workflow.Instance
      interfaces:
        component1:
          some_value: consume-signal(string)
        vms:
          component1_addresses: consume-signal(list<string>)
      required: [ vms, component1 ]
      configuration:
        configuration.workflows:
          launch:
            steps:
              - get_env_props:
                  ...
                  output:
                    config: result
              - provision:
                  precedingPhases: [ get_env_props ]
                  parameters:
                    staticIps: "{$.config.vms.component2_addresses}"
              - next_steps:
                  ... "{$.config.component1.some_value}"