gce – create or terminate GCE instances

New in version 1.4.

Synopsis

  • Creates or terminates Google Compute Engine (GCE) instances. See https://cloud.google.com/compute for an overview. Full install/configuration instructions for the gce* modules can be found in the comments of ansible/test/gce_tests.py.

Requirements

The below requirements are needed on the host that executes this module.

  • python >= 2.6
  • apache-libcloud >= 0.13.3, >= 0.17.0 if using JSON credentials, >= 0.20.0 if using preemptible option

Parameters

Parameter Choices/Defaults Comments
credentials_file
-
added in 2.1.0
path to the JSON file associated with the service account email
disk_auto_delete
boolean
added in 1.9
    Choices:
  • no
  • yes ←
if set boot disk will be removed after instance destruction
disk_size
-
added in 2.3
 Default:
10
The size of the boot disk created for this instance (in GB)
disks
-
added in 1.7
a list of persistent disks to attach to the instance; a string value gives the name of the disk; alternatively, a dictionary value can define 'name' and 'mode' ('READ_ONLY' or 'READ_WRITE'). The first entry will be the boot disk (which must be READ_WRITE).
external_ip
-
added in 1.9
 Default:
"ephemeral"
type of external ip, ephemeral by default; alternatively, a fixed gce ip or ip name can be given. Specify 'none' if no external ip is desired.
external_projects
-
added in 2.4
A list of other projects (accessible with the provisioning credentials) to be searched for the image.
image
-
Default:
"debian-8"
image string to use for the instance (default will follow latest stable debian image)
image_family
-
added in 2.4
image family from which to select the image. The most recent non-deprecated image in the family will be used.
instance_names
-
a comma-separated list of instance names to create or destroy
ip_forward
boolean
added in 1.9
    Choices:
  • no ←
  • yes
set to yes if the instance can forward ip packets (useful for gateways)
machine_type
-
Default:
"n1-standard-1"
machine type to use for the instance, use 'n1-standard-1' by default
metadata
-
a hash/dictionary of custom data for the instance; '{"key":"value", ...}'
name
-
either a name of a single instance or when used with 'num_instances', the base name of a cluster of nodes

aliases: base_name
network
-
Default:
"default"
name of the network, 'default' will be used if not specified
num_instances
-
added in 2.3
can be used with 'name', specifies the number of nodes to provision using 'name' as a base name
pem_file
-
added in 1.5.1
path to the pem file associated with the service account email This option is deprecated. Use 'credentials_file'.
persistent_boot_disk
boolean
    Choices:
  • no ←
  • yes
if set, create the instance with a persistent boot disk
preemptible
boolean
added in 2.1
    Choices:
  • no ←
  • yes
if set to yes, instances will be preemptible and time-limited. (requires libcloud >= 0.20.0)
project_id
-
added in 1.5.1
your GCE project ID
service_account_email
-
added in 1.5.1
service account email
service_account_permissions
-
added in 2.0
    Choices:
  • bigquery
  • cloud-platform
  • compute-ro
  • compute-rw
  • useraccounts-ro
  • useraccounts-rw
  • datastore
  • logging-write
  • monitoring
  • sql-admin
  • storage-full
  • storage-ro
  • storage-rw
  • taskqueue
  • userinfo-email
service account permissions (see https://cloud.google.com/sdk/gcloud/reference/compute/instances/create, --scopes section for detailed information)
state
-
    Choices:
  • active
  • present ←
  • absent
  • deleted
  • started
  • stopped
  • terminated
desired state of the resource
subnetwork
-
added in 2.2
name of the subnetwork in which the instance should be created
tags
-
a comma-separated list of tags to associate with the instance
zone
- / required
Default:
"us-central1-a"
the GCE zone to use. The list of available zones is at https://cloud.google.com/compute/docs/regions-zones/regions-zones#available.

Notes

Note

  • Either instance_names or name is required.
  • JSON credentials strongly preferred.

Examples

# Basic provisioning example.  Create a single Debian 8 instance in the
# us-central1-a Zone of the n1-standard-1 machine type.
# Create multiple instances by specifying multiple names, separated by
# commas in the instance_names field
# (e.g. my-test-instance1,my-test-instance2)
  - gce:
      instance_names: my-test-instance1
      zone: us-central1-a
      machine_type: n1-standard-1
      image: debian-8
      state: present
      service_account_email: "[email protected]"
      credentials_file: "/path/to/your-key.json"
      project_id: "your-project-name"
      disk_size: 32

# Create a single instance of an image from the "my-base-image" image family
# in the us-central1-a Zone of the n1-standard-1 machine type.
# This image family is in the "my-other-project" GCP project.
  - gce:
      instance_names: my-test-instance1
      zone: us-central1-a
      machine_type: n1-standard-1
      image_family: my-base-image
      external_projects:
        - my-other-project
      state: present
      service_account_email: "[email protected]"
      credentials_file: "/path/to/your-key.json"
      project_id: "your-project-name"
      disk_size: 32

# Create a single Debian 8 instance in the us-central1-a Zone
# Use existing disks, custom network/subnetwork, set service account permissions
# add tags and metadata.
  - gce:
      instance_names: my-test-instance
      zone: us-central1-a
      machine_type: n1-standard-1
      state: present
      metadata: '{"db":"postgres", "group":"qa", "id":500}'
      tags:
        - http-server
        - my-other-tag
      disks:
        - name: disk-2
          mode: READ_WRITE
        - name: disk-3
          mode: READ_ONLY
      disk_auto_delete: false
      network: foobar-network
      subnetwork: foobar-subnetwork-1
      preemptible: true
      ip_forward: true
      service_account_permissions:
        - storage-full
        - taskqueue
        - bigquery
        - https://www.googleapis.com/auth/ndev.clouddns.readwrite
      service_account_email: "[email protected]"
      credentials_file: "/path/to/your-key.json"
      project_id: "your-project-name"

---
# Example Playbook
- name: Compute Engine Instance Examples
  hosts: localhost
  vars:
    service_account_email: "[email protected]"
    credentials_file: "/path/to/your-key.json"
    project_id: "your-project-name"
  tasks:
    - name: create multiple instances
      # Basic provisioning example.  Create multiple Debian 8 instances in the
      # us-central1-a Zone of n1-standard-1 machine type.
      gce:
        instance_names: test1,test2,test3
        zone: us-central1-a
        machine_type: n1-standard-1
        image: debian-8
        state: present
        service_account_email: "{{ service_account_email }}"
        credentials_file: "{{ credentials_file }}"
        project_id: "{{ project_id }}"
        metadata : '{ "startup-script" : "apt-get update" }'
      register: gce

    - name: Save host data
      add_host:
        hostname: "{{ item.public_ip }}"
        groupname: gce_instances_ips
      with_items: "{{ gce.instance_data }}"

    - name: Wait for SSH for instances
      wait_for:
        delay: 1
        host: "{{ item.public_ip }}"
        port: 22
        state: started
        timeout: 30
      with_items: "{{ gce.instance_data }}"

    - name: Configure Hosts
      hosts: gce_instances_ips
      become: yes
      become_method: sudo
      roles:
        - my-role-one
        - my-role-two
      tags:
        - config

    - name: delete test-instances
      # Basic termination of instance.
      gce:
        service_account_email: "{{ service_account_email }}"
        credentials_file: "{{ credentials_file }}"
        project_id: "{{ project_id }}"
        instance_names: "{{ gce.instance_names }}"
        zone: us-central1-a
        state: absent
      tags:
        - delete

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