{
  "Name": "read-cos-env",
  "Sources": {
    "cloud-config": "read_cos_env.yaml"
  },
  "Vars": {
    "disk_size_gb": {
      "Value": "",
      "Description": "The disk size to use."
    },
    "disk_type": {
      "Value": "pd-standard",
      "Description": "The disk type to use."
    },
    "host_maintenance": {
      "Value": "MIGRATE",
      "Description": "VM behavior when there is maintenance."
    },
    "machine_type": {
      "Value": "",
      "Required": true,
      "Description": "Machine type to boot COS image on."
    },
    "network": {
      "Value": "",
      "Description": "Network to use."
    },
    "service_account": {
      "Value": "default",
      "Description": "Service account to use."
    },
    "source_image": {
      "Value": "",
      "Required": true,
      "Description": "COS image to read environment from"
    },
    "subnet": {
      "Value": "",
      "Description": "Subnetwork to use."
    }
  },
  "Steps": {
    "setup": {
      "CreateDisks": [
        {
          "name": "boot-disk",
          "sourceImage": "${source_image}"
        }
      ]
    },
    "run": {
      "CreateInstances": [
        {
          "Scopes": [
            "https://www.googleapis.com/auth/devstorage.read_write",
            "https://www.googleapis.com/auth/cloud-platform"
          ],
          "disks": [
            {
              "source": "boot-disk"
            }
          ],
          "labels": {
            "cos-customizer-cleanup": ""
          },
          "machineType": "${machine_type}",
          "name": "read-cos-env-vm",
          "networkInterfaces": [
            {
              "network": "${network}",
              "subnetwork": "${subnet}"
            }
          ],
          "scheduling": {
            "onHostMaintenance": "${host_maintenance}"
          },
          "serviceAccounts": [
            {
              "email": "${service_account}",
              "scopes": [
                "https://www.googleapis.com/auth/cloud-platform",
                "https://www.googleapis.com/auth/devstorage.read_write"
              ]
            }
          ],
          "metadata": {
            "user-data": "${SOURCE:cloud-config}"
          }
        }
      ]
    },
    "wait-vm-finished": {
      "WaitForInstancesSignal": [
        {
          "Name": "read-cos-env-vm",
          "Interval": "5s",
          "SerialOutput": {
            "Port": 3,
            "SuccessMatch": "EnvSucceeded:",
            "failureMatch": [
              "EnvFailed:"
            ],
            "StatusMatch": "EnvStatus:"
          }
        }
      ]
    },
    "wait-vm-shutdown": {
      "WaitForInstancesSignal": [
        {
          "Name": "read-cos-env-vm",
          "Interval": "2s",
          "Stopped": true
        }
      ]
    }
  },
  "Dependencies": {
    "run": [
      "setup"
    ],
    "wait-vm-finished": [
      "run"
    ],
    "wait-vm-shutdown": [
      "wait-vm-finished"
    ]
  },
  "ForceCleanupOnError": true
}