![Slava Maslennikov](/assets/img/avatar_default.png)
I'm actually still largely unclear if that's a proper usage of the `attach_disk` block, as current docs mention it's a "list" of disks - though, that didn't see to work for me, at least judging by the plan terraform spit out.
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Google: google_compute_instance | docs-google-compute-instance-x | Manages a VM instance resource within GCE. |
google_compute_instance
Manages a VM instance resource within GCE. For more information see the official documentation and API.
Example Usage
resource "google_compute_instance" "default" {
name = "test"
machine_type = "n1-standard-1"
zone = "us-central1-a"
tags = ["foo", "bar"]
boot_disk {
initialize_params {
image = "debian-cloud/debian-9"
}
}
// Local SSD disk
scratch_disk {
}
network_interface {
network = "default"
access_config {
// Ephemeral IP
}
}
metadata {
foo = "bar"
}
metadata_startup_script = "echo hi > /test.txt"
service_account {
scopes = ["userinfo-email", "compute-ro", "storage-ro"]
}
}
Argument Reference
The following arguments are supported:
-
boot_disk
- (Required) The boot disk for the instance. Structure is documented below. -
machine_type
- (Required) The machine type to create.Note: If you want to update this value (resize the VM) after initial creation, you must set
allow_stopping_for_update
totrue
.To create a machine with a custom type (such as extended memory), format the value like
custom-VCPUS-MEM_IN_MB
likecustom-6-20480
for 6 vCPU and 20GB of RAM. -
name
- (Required) A unique name for the resource, required by GCE. Changing this forces a new resource to be created. -
zone
- (Required) The zone that the machine should be created in. -
network_interface
- (Required) Networks to attach to the instance. This can be specified multiple times. Structure is documented below.
-
allow_stopping_for_update
- (Optional) If true, allows Terraform to stop the instance to update its properties. If you try to update a property that requires stopping the instance without setting this field, the update will fail. -
attached_disk
- (Optional) Additional disks to attach to the instance. Can be repeated multiple times for multiple disks. Structure is documented below. -
can_ip_forward
- (Optional) Whether to allow sending and receiving of packets with non-matching source or destination IPs. This defaults to false. -
create_timeout
- (Optional) Configurable timeout in minutes for creating instances. Default is 4 minutes. Changing this forces a new resource to be created. -
description
- (Optional) A brief description of this resource. -
deletion_protection
- (Optional) Enable deletion protection on this instance. Defaults to false. Note: you must disable deletion protection before removing the resource (e.g., viaterraform destroy
), or the instance cannot be deleted and the Terraform run will not complete successfully. -
guest_accelerator
- (Optional) List of the type and count of accelerator cards attached to the instance. Structure documented below. Note: GPU accelerators can only be used withon_host_maintenance
option set to TERMINATE. -
labels
- (Optional) A set of key/value label pairs to assign to the instance. -
metadata
- (Optional) Metadata key/value pairs to make available from within the instance. Ssh keys attached in the Cloud Console will be removed. Add them to your config in order to keep them attached to your instance. -
metadata_startup_script
- (Optional) An alternative to using the startup-script metadata key, except this one forces the instance to be recreated (thus re-running the script) if it is changed. This replaces the startup-script metadata key on the created instance and thus the two mechanisms are not allowed to be used simultaneously. -
min_cpu_platform
- (Optional) Specifies a minimum CPU platform for the VM instance. Applicable values are the friendly names of CPU platforms, such asIntel Haswell
orIntel Skylake
. See the complete list here. Note:allow_stopping_for_update
must be set to true in order to update this field. -
project
- (Optional) The ID of the project in which the resource belongs. If it is not provided, the provider project is used. -
scheduling
- (Optional) The scheduling strategy to use. More details about this configuration option are detailed below. -
scratch_disk
- (Optional) Scratch disks to attach to the instance. This can be specified multiple times for multiple scratch disks. Structure is documented below. -
service_account
- (Optional) Service account to attach to the instance. Structure is documented below. Note:allow_stopping_for_update
must be set to true in order to update this field. -
tags
- (Optional) A list of tags to attach to the instance.
The boot_disk
block supports:
-
auto_delete
- (Optional) Whether the disk will be auto-deleted when the instance is deleted. Defaults to true. -
device_name
- (Optional) Name with which attached disk will be accessible. On the instance, this device will be/dev/disk/by-id/google-{{device_name}}
. -
disk_encryption_key_raw
- (Optional) A 256-bit [customer-supplied encryption key] (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption), encoded in RFC 4648 base64 to encrypt this disk. -
initialize_params
- (Optional) Parameters for a new disk that will be created alongside the new instance. Eitherinitialize_params
orsource
must be set. Structure is documented below. -
source
- (Optional) The name or self_link of the existing disk (such as those managed bygoogle_compute_disk
) to attach.
The initialize_params
block supports:
-
size
- (Optional) The size of the image in gigabytes. If not specified, it will inherit the size of its base image. -
type
- (Optional) The GCE disk type. May be set to pd-standard or pd-ssd. -
image
- (Optional) The image from which to initialize this disk. This can be one of: the image'sself_link
,projects/{project}/global/images/{image}
,projects/{project}/global/images/family/{family}
,global/images/{image}
,global/images/family/{family}
,family/{family}
,{project}/{family}
,{project}/{image}
,{family}
, or{image}
. If referred by family, the images names must include the family name. If they don't, use the google_compute_image data source. For instance, the imagecentos-6-v20180104
includes its family namecentos-6
. These images can be referred by family name here.
The scratch_disk
block supports:
interface
- (Optional) The disk interface to use for attaching this disk; either SCSI or NVME. Defaults to SCSI.
The attached_disk
block supports:
-
source
- (Required) The name or self_link of the disk to attach to this instance. -
device_name
- (Optional) Name with which the attached disk will be accessible under/dev/disk/by-id/
-
mode
- (Optional) Either "READ_ONLY" or "READ_WRITE", defaults to "READ_WRITE" If you have a persistent disk with data that you want to share between multiple instances, detach it from any read-write instances and attach it to one or more instances in read-only mode. -
disk_encryption_key_raw
- (Optional) A 256-bit [customer-supplied encryption key] (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption), encoded in RFC 4648 base64 to encrypt this disk.
The network_interface
block supports:
-
network
- (Optional) The name or self_link of the network to attach this interface to. Eithernetwork
orsubnetwork
must be provided. -
subnetwork
- (Optional) The name or self_link of the subnetwork to attach this interface to. The subnetwork must exist in the same region this instance will be created in. Eithernetwork
orsubnetwork
must be provided. -
subnetwork_project
- (Optional) The project in which the subnetwork belongs. If thesubnetwork
is a self_link, this field is ignored in favor of the project defined in the subnetwork self_link. If thesubnetwork
is a name and this field is not provided, the provider project is used. -
network_ip
- (Optional) The private IP address to assign to the instance. If empty, the address will be automatically assigned. -
access_config
- (Optional) Access configurations, i.e. IPs via which this instance can be accessed via the Internet. Omit to ensure that the instance is not accessible from the Internet (this means that ssh provisioners will not work unless you are running Terraform can send traffic to the instance's network (e.g. via tunnel or because it is running on another cloud instance on that network). This block can be repeated multiple times. Structure documented below. -
alias_ip_range
- (Optional) An array of alias IP ranges for this network interface. Can only be specified for network interfaces on subnet-mode networks. Structure documented below.
The access_config
block supports:
-
nat_ip
- (Optional) The IP address that will be 1:1 mapped to the instance's network ip. If not given, one will be generated. -
public_ptr_domain_name
- (Optional) The DNS domain name for the public PTR record. To set this field on an instance, you must be verified as the owner of the domain. See the docs for how to become verified as a domain owner. -
network_tier
- (Optional) The networking tier used for configuring this instance. This field can take the following values: PREMIUM or STANDARD. If this field is not specified, it is assumed to be PREMIUM.
The alias_ip_range
block supports:
-
ip_cidr_range
- The IP CIDR range represented by this alias IP range. This IP CIDR range must belong to the specified subnetwork and cannot contain IP addresses reserved by system or used by other network interfaces. This range may be a single IP address (e.g. 10.2.3.4), a netmask (e.g. /24) or a CIDR format string (e.g. 10.1.2.0/24). -
subnetwork_range_name
- (Optional) The subnetwork secondary range name specifying the secondary range from which to allocate the IP CIDR range for this alias IP range. If left unspecified, the primary range of the subnetwork will be used.
The service_account
block supports:
-
email
- (Optional) The service account e-mail address. If not given, the default Google Compute Engine service account is used. Note:allow_stopping_for_update
must be set to true in order to update this field. -
scopes
- (Required) A list of service scopes. Both OAuth2 URLs and gcloud short names are supported. To allow full access to all Cloud APIs, use thecloud-platform
scope. See a complete list of scopes here. Note:allow_stopping_for_update
must be set to true in order to update this field.
The scheduling
block supports:
-
preemptible
- (Optional) Is the instance preemptible. -
on_host_maintenance
- (Optional) Describes maintenance behavior for the instance. Can be MIGRATE or TERMINATE, for more info, read here -
automatic_restart
- (Optional) Specifies if the instance should be restarted if it was terminated by Compute Engine (not a user).
The guest_accelerator
block supports:
-
type
(Required) - The accelerator type resource to expose to this instance. E.g.nvidia-tesla-k80
. -
count
(Required) - The number of the guest accelerator cards exposed to this instance.
Attributes Reference
In addition to the arguments listed above, the following computed attributes are exported:
-
instance_id
- The server-assigned unique identifier of this instance. -
metadata_fingerprint
- The unique fingerprint of the metadata. -
self_link
- The URI of the created resource. -
tags_fingerprint
- The unique fingerprint of the tags. -
label_fingerprint
- The unique fingerprint of the labels. -
cpu_platform
- The CPU platform used by this instance. -
network_interface.0.network_ip
- The internal ip address of the instance, either manually or dynamically assigned. -
network_interface.0.access_config.0.nat_ip
- If the instance has an access config, either the given external ip (in thenat_ip
field) or the ephemeral (generated) ip (if you didn't provide one). -
attached_disk.0.disk_encryption_key_sha256
- The RFC 4648 base64 encoded SHA-256 hash of the [customer-supplied encryption key] (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption) that protects this resource. -
boot_disk.disk_encryption_key_sha256
- The RFC 4648 base64 encoded SHA-256 hash of the [customer-supplied encryption key] (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption) that protects this resource. -
disk.0.disk_encryption_key_sha256
- The RFC 4648 base64 encoded SHA-256 hash of the [customer-supplied encryption key] (https://cloud.google.com/compute/docs/disks/customer-supplied-encryption) that protects this resource.
Import
~> Note: The fields boot_disk.0.disk_encryption_raw
and attached_disk.*.disk_encryption_key_raw
cannot be imported automatically. The API doesn't return this information. If you are setting one of these fields in your config, you will need to update your state manually after importing the resource.
Instances can be imported using the project
, zone
and name
, e.g.
$ terraform import google_compute_instance.default gcp-project/us-central1-a/test