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ansible/library/cloud/ec2_snapshot

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#!/usr/bin/python
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: ec2_snapshot
short_description: creates a snapshot from an existing volume
description:
- creates an EC2 snapshot from an existing EBS volume
version_added: "1.5"
options:
region:
description:
- The AWS region to use. If not specified then the value of the EC2_REGION environment variable, if any, is used.
required: false
default: null
aliases: ['aws_region', 'ec2_region']
volume_id:
description:
- volume from which to take the snapshot
required: false
default: null
aliases: []
description:
description:
- description to be applied to the snapshot
required: false
default: null
aliases: []
instance_id:
description:
- instance that has the required volume to snapshot mounted
required: false
default: null
aliases: []
device_name:
description:
- device name of a mounted volume to be snapshotted
required: false
default: null
aliases: []
profile:
description:
- uses a boto profile. Only works with boto >= 2.24.0
required: false
default: null
aliases: []
version_added: "1.6"
security_token:
description:
- security token to authenticate against AWS
required: false
default: null
aliases: []
version_added: "1.6"
snapshot_tags:
description:
11 years ago
- a hash/dictionary of tags to add to the snapshot
required: false
default: null
aliases: []
version_added: "1.6"
author: Will Thames
extends_documentation_fragment: aws
'''
EXAMPLES = '''
# Simple snapshot of volume using volume_id
- local_action:
module: ec2_snapshot
volume_id: vol-abcdef12
description: snapshot of /data from DB123 taken 2013/11/28 12:18:32
# Snapshot of volume mounted on device_name attached to instance_id
- local_action:
module: ec2_snapshot
instance_id: i-12345678
device_name: /dev/sdb1
description: snapshot of /data from DB123 taken 2013/11/28 12:18:32
11 years ago
# Snapshot of volume with tagging
- local_action:
module: ec2_snapshot
instance_id: i-12345678
device_name: /dev/sdb1
snapshot_tags:
frequency: hourly
source: /data
'''
import sys
import time
try:
import boto.ec2
except ImportError:
print "failed=True msg='boto required for this module'"
sys.exit(1)
def main():
module = AnsibleModule(
argument_spec = dict(
volume_id = dict(),
description = dict(),
instance_id = dict(),
device_name = dict(),
region = dict(aliases=['aws_region', 'ec2_region'], choices=AWS_REGIONS),
ec2_url = dict(),
ec2_secret_key = dict(aliases=['aws_secret_key', 'secret_key'], no_log=True),
ec2_access_key = dict(aliases=['aws_access_key', 'access_key']),
wait = dict(type='bool', default='true'),
wait_timeout = dict(default=0),
snapshot_tags = dict(type='dict', default=dict()),
)
)
volume_id = module.params.get('volume_id')
description = module.params.get('description')
instance_id = module.params.get('instance_id')
device_name = module.params.get('device_name')
wait = module.params.get('wait')
wait_timeout = module.params.get('wait_timeout')
snapshot_tags = module.params.get('snapshot_tags')
if not volume_id and not instance_id or volume_id and instance_id:
module.fail_json('One and only one of volume_id or instance_id must be specified')
if instance_id and not device_name or device_name and not instance_id:
module.fail_json('Instance ID and device name must both be specified')
ec2 = ec2_connect(module)
if instance_id:
try:
volumes = ec2.get_all_volumes(filters={'attachment.instance-id': instance_id, 'attachment.device': device_name})
if not volumes:
module.fail_json(msg="Could not find volume with name %s attached to instance %s" % (device_name, instance_id))
volume_id = volumes[0].id
except boto.exception.BotoServerError, e:
module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
try:
snapshot = ec2.create_snapshot(volume_id, description=description)
time_waited = 0
if wait:
snapshot.update()
while snapshot.status != 'completed':
time.sleep(3)
snapshot.update()
time_waited += 3
if wait_timeout and time_waited > wait_timeout:
module.fail_json('Timed out while creating snapshot.')
for k, v in snapshot_tags.items():
snapshot.add_tag(k, v)
except boto.exception.BotoServerError, e:
module.fail_json(msg = "%s: %s" % (e.error_code, e.error_message))
module.exit_json(changed=True, snapshot_id=snapshot.id, volume_id=snapshot.volume_id,
volume_size=snapshot.volume_size, tags=snapshot.tags.copy())
# import module snippets
from ansible.module_utils.basic import *
from ansible.module_utils.ec2 import *
main()