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gcloud compute instance-groups describe

NAME
gcloud compute instance-groups describe - display detailed information about an instance group
SYNOPSIS
gcloud compute instance-groups describe NAME [--region=REGION     | --zone=ZONE] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
gcloud compute instance-groups describe displays all data associated with an instance group in a project.
EXAMPLES
To get details about a regional instance group in the us-central1 regions, run: 
gcloud compute instance-groups describe --region=us-central1

To get details about a zonal instance group in the us-central1-b zone, run: 

gcloud compute instance-groups describe --zone=us-central1-b
POSITIONAL ARGUMENTS
NAME
Name of the instance group to describe.
FLAGS
At most one of these can be specified:
--region=REGION
Region of the instance group to describe. 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 describe. 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.
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 describe
 
gcloud beta compute instance-groups describe
 
gcloud preview compute instance-groups describe