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gcloud compute instances add-access-config

NAME
gcloud compute instances add-access-config - create a Compute Engine virtual machine access configuration
SYNOPSIS
gcloud compute instances add-access-config INSTANCE_NAME [--access-config-name=ACCESS_CONFIG_NAME; default="external-nat"] [--address=ADDRESS] [--network-interface=NETWORK_INTERFACE; default="nic0"] [--network-tier=NETWORK_TIER] [--zone=ZONE] [--public-ptr     | --no-public-ptr] [--public-ptr-domain=PUBLIC_PTR_DOMAIN     | --no-public-ptr-domain] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
gcloud compute instances add-access-config is used to create access configurations for network interfaces of Compute Engine virtual machines. This allows you to assign a public, external IP to a virtual machine.
EXAMPLES
To assign an public, externally accessible IP to a virtual machine named example-instance in zone us-central1-a, run: 
gcloud compute instances add-access-config example-instance --zone=us-central1-a

To assign the specific, reserved public IP address 123.456.789.123 to the virtual machine, run: 

gcloud compute instances add-access-config example-instance --zone=us-central1-a --address=123.456.789.123
POSITIONAL ARGUMENTS
INSTANCE_NAME
Name of the instance to operate on. For details on valid instance names, refer to the criteria documented under the field 'name' at: https://cloud.google.com/compute/docs/reference/rest/v1/instances
FLAGS
--access-config-name=ACCESS_CONFIG_NAME; default="external-nat"
Specifies the name of the new access configuration. external-nat is used as the default if this flag is not provided. Since ONE_TO_ONE_NAT is currently the only access-config type, it is not recommended that you change this value.
--address=ADDRESS
Specifies the external IP address of the new access configuration. If this is not specified, then the service will choose an available ephemeral IP address. If an explicit IP address is given, then that IP address must be reserved by the project and not be in use by another resource.
--network-interface=NETWORK_INTERFACE; default="nic0"
Specifies the name of the network interface which contains the access configuration. If this is not provided, then "nic0" is used as the default.
--network-tier=NETWORK_TIER
Specifies the network tier of the access configuration. NETWORK_TIER must be one of: PREMIUM, STANDARD. The default value is PREMIUM.
--zone=ZONE
Zone of the instance to operate on. If not specified, you might be prompted to select a zone (interactive mode only). gcloud attempts to identify the appropriate zone by searching for resources in your currently active project. If the zone cannot be determined, gcloud prompts you for a selection with all available Google Cloud Platform zones.

To avoid prompting when this flag is omitted, the user can set the compute/zone property: 

gcloud config set compute/zone ZONE

A list of zones can be fetched by running: 

gcloud compute zones list

To unset the property, run: 

gcloud config unset compute/zone
 Alternatively, the zone can be stored in the environment variable CLOUDSDK_COMPUTE_ZONE. At most one of these can be specified:
--public-ptr
Creates a DNS PTR record for the external IP in the access configuration. This option can only be specified for the default network-interface, "nic0".
--no-public-ptr
If provided, no DNS PTR record is created for the external IP in the access configuration. Mutually exclusive with public-ptr-domain.
At most one of these can be specified:
--public-ptr-domain=PUBLIC_PTR_DOMAIN
Assigns a custom PTR domain for the external IP in the access configuration. Mutually exclusive with no-public-ptr. This option can only be specified for the default network-interface, "nic0".
--no-public-ptr-domain
If both this flag and --public-ptr are specified, creates a DNS PTR record for the external IP in the access configuration with the PTR domain name being the DNS name of the instance.
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 instances add-access-config
 
gcloud beta compute instances add-access-config
 
gcloud preview compute instances add-access-config