#!/usr/bin/python # -*- coding: utf-8 -*- # # Copyright: Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['preview'], 'supported_by': 'community'} DOCUMENTATION = ''' --- module: gce_snapshot version_added: "2.3" short_description: Create or destroy snapshots for GCE storage volumes description: - Manages snapshots for GCE instances. This module manages snapshots for the storage volumes of a GCE compute instance. If there are multiple volumes, each snapshot will be prepended with the disk name options: instance_name: description: - The GCE instance to snapshot required: True snapshot_name: description: - The name of the snapshot to manage disks: description: - A list of disks to create snapshots for. If none is provided, all of the volumes will be snapshotted default: all required: False state: description: - Whether a snapshot should be C(present) or C(absent) required: false default: present choices: [present, absent] service_account_email: description: - GCP service account email for the project where the instance resides required: true credentials_file: description: - The path to the credentials file associated with the service account required: true project_id: description: - The GCP project ID to use required: true requirements: - "python >= 2.6" - "apache-libcloud >= 0.19.0" author: Rob Wagner (@robwagner33) ''' EXAMPLES = ''' - name: Create gce snapshot gce_snapshot: instance_name: example-instance snapshot_name: example-snapshot state: present service_account_email: project_name@appspot.gserviceaccount.com credentials_file: /path/to/credentials project_id: project_name delegate_to: localhost - name: Delete gce snapshot gce_snapshot: instance_name: example-instance snapshot_name: example-snapshot state: absent service_account_email: project_name@appspot.gserviceaccount.com credentials_file: /path/to/credentials project_id: project_name delegate_to: localhost # This example creates snapshots for only two of the available disks as # disk0-example-snapshot and disk1-example-snapshot - name: Create snapshots of specific disks gce_snapshot: instance_name: example-instance snapshot_name: example-snapshot state: present disks: - disk0 - disk1 service_account_email: project_name@appspot.gserviceaccount.com credentials_file: /path/to/credentials project_id: project_name delegate_to: localhost ''' RETURN = ''' snapshots_created: description: List of newly created snapshots returned: When snapshots are created type: list sample: "[disk0-example-snapshot, disk1-example-snapshot]" snapshots_deleted: description: List of destroyed snapshots returned: When snapshots are deleted type: list sample: "[disk0-example-snapshot, disk1-example-snapshot]" snapshots_existing: description: List of snapshots that already existed (no-op) returned: When snapshots were already present type: list sample: "[disk0-example-snapshot, disk1-example-snapshot]" snapshots_absent: description: List of snapshots that were already absent (no-op) returned: When snapshots were already absent type: list sample: "[disk0-example-snapshot, disk1-example-snapshot]" ''' try: from libcloud.compute.types import Provider _ = Provider.GCE HAS_LIBCLOUD = True except ImportError: HAS_LIBCLOUD = False from ansible.module_utils.basic import AnsibleModule from ansible.module_utils.gce import gce_connect def find_snapshot(volume, name): ''' Check if there is a snapshot already created with the given name for the passed in volume. Args: volume: A gce StorageVolume object to manage name: The name of the snapshot to look for Returns: The VolumeSnapshot object if one is found ''' found_snapshot = None snapshots = volume.list_snapshots() for snapshot in snapshots: if name == snapshot.name: found_snapshot = snapshot return found_snapshot def main(): module = AnsibleModule( argument_spec=dict( instance_name=dict(required=True), snapshot_name=dict(required=True), state=dict(choices=['present', 'absent'], default='present'), disks=dict(default=None, type='list'), service_account_email=dict(type='str'), credentials_file=dict(type='path'), project_id=dict(type='str') ) ) if not HAS_LIBCLOUD: module.fail_json(msg='libcloud with GCE support (0.19.0+) is required for this module') gce = gce_connect(module) instance_name = module.params.get('instance_name') snapshot_name = module.params.get('snapshot_name') disks = module.params.get('disks') state = module.params.get('state') json_output = dict( changed=False, snapshots_created=[], snapshots_deleted=[], snapshots_existing=[], snapshots_absent=[] ) snapshot = None instance = gce.ex_get_node(instance_name, 'all') instance_disks = instance.extra['disks'] for instance_disk in instance_disks: disk_snapshot_name = snapshot_name device_name = instance_disk['deviceName'] if disks is None or device_name in disks: volume_obj = gce.ex_get_volume(device_name) # If we have more than one disk to snapshot, prepend the disk name if len(instance_disks) > 1: disk_snapshot_name = device_name + "-" + disk_snapshot_name snapshot = find_snapshot(volume_obj, disk_snapshot_name) if snapshot and state == 'present': json_output['snapshots_existing'].append(disk_snapshot_name) elif snapshot and state == 'absent': snapshot.destroy() json_output['changed'] = True json_output['snapshots_deleted'].append(disk_snapshot_name) elif not snapshot and state == 'present': volume_obj.snapshot(disk_snapshot_name) json_output['changed'] = True json_output['snapshots_created'].append(disk_snapshot_name) elif not snapshot and state == 'absent': json_output['snapshots_absent'].append(disk_snapshot_name) module.exit_json(**json_output) if __name__ == '__main__': main()