gce - create or terminate GCE instances¶

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 (on host that executes module)¶

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

Options¶

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: "your-sa@your-project-name.iam.gserviceaccount.com"
      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: "your-sa@your-project-name.iam.gserviceaccount.com"
      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: "your-sa@your-project-name.iam.gserviceaccount.com"
      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: "your-sa@your-project-name.iam.gserviceaccount.com"
    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

Notes¶