Command: node pool apply

The node pool apply command is used to create or update a node pool.

Usage

nomad node pool apply [options] <input>

Apply is used to create or update a node pool. The specification file is read from stdin by specifying -, otherwise a path to the file is expected.

If ACLs are enabled, this command requires a token with the write capability in a node_pool policy that matches the node pool being targeted. In federated clusters, the node pool will be created in the authoritative region and will be replicated to all federated regions.

General Options

• -address=<addr>: The address of the Nomad server. Overrides the NOMAD_ADDR environment variable if set. Defaults to http://127.0.0.1:4646.

• -region=<region>: The region of the Nomad server to forward commands to. Overrides the NOMAD_REGION environment variable if set. Defaults to the Agent's local region.

• -no-color: Disables colored command output. Alternatively, NOMAD_CLI_NO_COLOR may be set. This option takes precedence over -force-color.

• -force-color: Forces colored command output. This can be used in cases where the usual terminal detection fails. Alternatively, NOMAD_CLI_FORCE_COLOR may be set. This option has no effect if -no-color is also used.

• -ca-cert=<path>: Path to a PEM encoded CA cert file to use to verify the Nomad server SSL certificate. Overrides the NOMAD_CACERT environment variable if set.

• -ca-path=<path>: Path to a directory of PEM encoded CA cert files to verify the Nomad server SSL certificate. If both -ca-cert and -ca-path are specified, -ca-cert is used. Overrides the NOMAD_CAPATH environment variable if set.

• -client-cert=<path>: Path to a PEM encoded client certificate for TLS authentication to the Nomad server. Must also specify -client-key. Overrides the NOMAD_CLIENT_CERT environment variable if set.

• -client-key=<path>: Path to an unencrypted PEM encoded private key matching the client certificate from -client-cert. Overrides the NOMAD_CLIENT_KEY environment variable if set.

• -tls-server-name=<value>: The server name to use as the SNI host when connecting via TLS. Overrides the NOMAD_TLS_SERVER_NAME environment variable if set.

• -tls-skip-verify: Do not verify TLS certificate. This is highly not recommended. Verification will also be skipped if NOMAD_SKIP_VERIFY is set.

• -token: The SecretID of an ACL token to use to authenticate API requests with. Overrides the NOMAD_TOKEN environment variable if set.

Apply Options

• -json: Parse the input as a JSON node pool specification.

Examples

Create a node pool from a file:

# prod_pool.nomad.hcl
node_pool "prod" {
  description = "Node pool for production workloads."

  meta {
    env = "prod"
  }

  # Available only in Nomad Enterprise.
  scheduler_config {
    scheduler_algorithm = "spread"
  }
}

$ nomad node pool apply prod_pool.nomad.hcl
Successfully applied node pool "prod"!

Create a node pool from stdin:

$ cat prod_pool.nomad.hcl | nomad node pool apply -
Successfully applied node pool "prod"!

$ cat <<EOF | nomad node pool apply -
node_pool "dev" {
  description = "Node pool for dev workloads."
}
EOF
Successfully applied node pool "dev"!