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gcloud compute instance-groups managed get-named-ports

NAME
gcloud compute instance-groups managed get-named-ports - lists the named ports for an instance group resource
SYNOPSIS
gcloud compute instance-groups managed get-named-ports NAME [--region=REGION     | --zone=ZONE] [--filter=EXPRESSION] [--limit=LIMIT] [--page-size=PAGE_SIZE] [--sort-by=[FIELD,…]] [--uri] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
Named ports are key:value pairs metadata representing the service name and the port that it's running on. Named ports can be assigned to an instance group, which indicates that the service is available on all instances in the group. This information is used by Application Load Balancers and proxy Network Load Balancers. gcloud compute instance-groups managed get-named-ports lists the named ports (name and port tuples) for an instance group.
EXAMPLES
For example, to list named ports for an instance group: 
gcloud compute instance-groups managed get-named-ports example-instance-group --zone=us-central1-a
 The above example lists named ports assigned to an instance group named 'example-instance-group' in the us-central1-a zone.
POSITIONAL ARGUMENTS
NAME
Name of the instance group to operate on.
FLAGS
At most one of these can be specified:
--region=REGION
Region of the instance group to operate on. If not specified, you might be prompted to select a region (interactive mode only).

A list of regions can be fetched by running: 

gcloud compute regions list
 Overrides the default compute/region property value for this command invocation.
--zone=ZONE
Zone of the instance group to operate on. If not specified, you might be prompted to select a zone (interactive mode only).

A list of zones can be fetched by running: 

gcloud compute zones list
 Overrides the default compute/zone property value for this command invocation.
LIST COMMAND FLAGS
--filter=EXPRESSION
Apply a Boolean filter EXPRESSION to each resource item to be listed. If the expression evaluates True, then that item is listed. For more details and examples of filter expressions, run $ gcloud topic filters. This flag interacts with other flags that are applied in this order: --flatten, --sort-by, --filter, --limit.
--limit=LIMIT
Maximum number of resources to list. The default is unlimited. This flag interacts with other flags that are applied in this order: --flatten, --sort-by, --filter, --limit.
--page-size=PAGE_SIZE
Some services group resource list output into pages. This flag specifies the maximum number of resources per page. The default is determined by the service if it supports paging, otherwise it is unlimited (no paging). Paging may be applied before or after --filter and --limit depending on the service.
--sort-by=[FIELD,…]
Comma-separated list of resource field key names to sort by. The default order is ascending. Prefix a field with ``~´´ for descending order on that field. This flag interacts with other flags that are applied in this order: --flatten, --sort-by, --filter, --limit.
--uri
Print a list of resource URIs instead of the default output, and change the command output to a list of URIs. If this flag is used with --format, the formatting is applied on this URI list. To display URIs alongside other keys instead, use the uri() transform.
GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

NOTES
These variants are also available: 
gcloud alpha compute instance-groups managed get-named-ports
 
gcloud beta compute instance-groups managed get-named-ports
 
gcloud preview compute instance-groups managed get-named-ports