pcluster update-cluster を使用する

この例では、いくつかの許可された変更を伴う更新を実際に行い、更新を直接開始します。

$ pcluster update-cluster --cluster-name cluster_name --cluster-config ~/.parallelcluster/test_cluster --region us-east-1
{
  "cluster": {
    "clusterName": cluster_name,
    "cloudformationStackStatus": "UPDATE_IN_PROGRESS",
    "cloudformationStackArn": stack_arn,
    "region": "us-east-1",
    "version": "3.7.0",
    "clusterStatus": "UPDATE_IN_PROGRESS"
  },
  "changeSet": [
    {
      "parameter": "HeadNode.Networking.AdditionalSecurityGroups",
      "requestedValue": [
        "sg-0cd61884c4ad11234"
      ],
      "currentValue": [
        "sg-0cd61884c4ad16341"
      ]
    }
  ]
}

この例では、いくつかの変更が許可されたドライランアップデートを行います。ドライランは、アップデートを開始せずに変更内容を報告するのに便利です。

$ pcluster update-cluster --cluster-name cluster_name --cluster-config ~/.parallelcluster/test_cluster --region us-east-1 --dryrun true
{
  "message": "Request would have succeeded, but DryRun flag is set.",
  "changeSet": [
    {
      "parameter": "HeadNode.Networking.AdditionalSecurityGroups",
      "requestedValue": [
        "sg-0cd61884c4ad11234"
      ],
      "currentValue": [
        "sg-0cd61884c4ad16341"
      ]
    }
  ]
}

この例では、アップデートをブロックするいくつかの変更を加えたアップデートです。

$ pcluster update-cluster --cluster-name cluster_name --cluster-config ~/.parallelcluster/test_cluster --region us-east-1
{
  "message": "Update failure",
  "updateValidationErrors": [
    {
      "parameter": "HeadNode.Ssh.KeyName",
      "requestedValue": "mykey_2",
      "message": "Update actions are not currently supported for the 'KeyName' parameter. Restore 'KeyName' value to 'jenkinsjun'. If you need this change, please consider creating a new cluster instead of updating the existing one.",
      "currentValue": "mykey_1"
    },
    {
      "parameter": "Scheduling.SlurmQueues[queue1].ComputeResources[queue1-t2micro].InstanceType",
      "requestedValue": "c4.xlarge",
      "message": "All compute nodes must be stopped. Stop the compute fleet with the pcluster update-compute-fleet command",
      "currentValue": "t2.micro"
    },
    {
      "parameter": "SharedStorage[ebs1].MountDir",
      "requestedValue": "/my/very/very/long/shared_dir",
      "message": "Update actions are not currently supported for the 'MountDir' parameter. Restore 'MountDir' value to '/shared'. If you need this change, please consider creating a new cluster instead of updating the existing one.",
      "currentValue": "/shared"
    }
  ],
  "changeSet": [
    {
      "parameter": "HeadNode.Networking.AdditionalSecurityGroups",
      "requestedValue": [
        "sg-0cd61884c4ad11234"
      ],
      "currentValue": [
        "sg-0cd61884c4ad16341"
      ]
    },
    {
      "parameter": "HeadNode.Ssh.KeyName",
      "requestedValue": "mykey_2",
      "currentValue": "mykey_1"
    },
    {
      "parameter": "Scheduling.SlurmQueues[queue1].ComputeResources[queue1-t2micro].InstanceType",
      "requestedValue": "c4.xlarge",
      "currentValue": "t2.micro"
    },
    {
      "parameter": "SharedStorage[ebs1].MountDir",
      "requestedValue": "/my/very/very/long/shared_dir",
      "currentValue": "/shared"
    }
  ]
}