pcluster update-cluster - AWS ParallelCluster
Named arguments

pcluster update-cluster

Updates an existing cluster to match the settings of a specified configuration file.

pcluster update-cluster [-h] 
                 --cluster-configuration CLUSTER_CONFIGURATION
                 --cluster-name CLUSTER_NAME
                [--debug]
                [--dryrun DRYRUN]
                [--force-update FORCE_UPDATE]
                [--query QUERY]
                [--region REGION]
                [--suppress-validators SUPPRESS_VALIDATORS [SUPPRESS_VALIDATORS ...]]
                [--validation-failure-level {INFO,WARNING,ERROR}]

Named arguments

-h, --help

Shows the help text for pcluster update-cluster.

--cluster-configuration, -c CLUSTER_CONFIGURATION

Specifies the YAML cluster configuration file.

--cluster-name, -n CLUSTER_NAME

Specifies the name of the cluster.

--debug

Enables debug logging.

--dryrun DRYRUN

When true, performs the validation without updating the cluster and creating any resources. It can be used to validate the image configuration and update requirements. (Defaults to false.)

--force-update FORCE_UPDATE

When true, forces the update by ignoring the update validation errors. (Defaults to false.)

--query QUERY

Specifies the JMESPath query to perform on the output.

--region, -r REGION

Specifies the AWS Region to use. The AWS Region must be specified, using the Region setting in the cluster configuration file, the AWS_DEFAULT_REGION environment variable, the region setting in the [default] section of the ~/.aws/config file, or the --region parameter.

--suppress-validators SUPPRESS_VALIDATORS [SUPPRESS_VALIDATORS ...]

Identifies one or more config validators to suppress.

Format: (ALL|type:[A-Za-z0-9]+)

--validation-failure-level {INFO,WARNING,ERROR}

Specifies the level of validation failures reported for update.

Example using AWS ParallelCluster version 3.1.4:

$ pcluster update-cluster -c cluster-config.yaml -n cluster-v3 -r us-east-1
{
  "cluster": {
    "clusterName": "cluster-v3",
    "cloudformationStackStatus": "UPDATE_IN_PROGRESS",
    "cloudformationStackArn": "arn:aws:cloudformation:us-east-1:123456789012:stack/cluster-v3/1234abcd-56ef-78gh-90ij-abcd1234efgh",
    "region": "us-east-1",
    "version": "3.1.4",
    "clusterStatus": "UPDATE_IN_PROGRESS"
  },
  "changeSet": [
    {
      "parameter": "HeadNode.Iam.S3Access",
      "requestedValue": {
        "BucketName": "amzn-s3-demo-bucket1",
        "KeyName": "output",
        "EnableWriteAccess": false
      }
    },
    {
      "parameter": "HeadNode.Iam.S3Access",
      "currentValue": {
        "BucketName": "amzn-s3-demo-bucket2",
        "KeyName": "logs",
        "EnableWriteAccess": true
      }
    }
  ]
}