1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#!/usr/bin/python
# 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': '1.0',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = """
---
module: elasticache_snapshot
short_description: Manage cache snapshots in Amazon Elasticache.
description:
- Manage cache snapshots in Amazon Elasticache.
- Returns information about the specified snapshot.
version_added: "2.3"
author: "Sloane Hertel (@s-hertel)"
requirements: [ boto3, botocore ]
options:
name:
description:
- The name of the snapshot we want to create, copy, delete
required: yes
state:
description:
- Actions that will create, destroy, or copy a snapshot.
choices: ['present', 'absent', 'copy']
replication_id:
description:
- The name of the existing replication group to make the snapshot.
required: no
default: null
cluster_id:
description:
- The name of an existing cache cluster in the replication group to make the snapshot.
required: no
default: null
target:
description:
- The name of a snapshot copy
required: no
default: null
bucket:
description:
- The s3 bucket to which the snapshot is exported
required: no
default: null
"""
EXAMPLES = """
# Note: None of these examples set aws_access_key, aws_secret_key, or region.
# It is assumed that their matching environment variables are set.
---
- hosts: localhost
connection: local
tasks:
- name: 'Create a snapshot'
elasticache_snapshot:
name: 'test-snapshot'
state: 'present'
cluster_id: '{{ cluster }}'
replication_id: '{{ replication }}'
"""
RETURN = """
response_metadata:
description: response metadata about the snapshot
returned: always
type: dict
sample:
http_headers:
content-length: 1490
content-type: text/xml
date: Tue, 07 Feb 2017 16:43:04 GMT
x-amzn-requestid: 7f436dea-ed54-11e6-a04c-ab2372a1f14d
http_status_code: 200
request_id: 7f436dea-ed54-11e6-a04c-ab2372a1f14d
retry_attempts: 0
snapshot:
description: snapshot data
returned: always
type: dict
sample:
auto_minor_version_upgrade: true
cache_cluster_create_time: 2017-02-01T17:43:58.261000+00:00
cache_cluster_id: test-please-delete
cache_node_type: cache.m1.small
cache_parameter_group_name: default.redis3.2
cache_subnet_group_name: default
engine: redis
engine_version: 3.2.4
node_snapshots:
cache_node_create_time: 2017-02-01T17:43:58.261000+00:00
cache_node_id: 0001
cache_size:
num_cache_nodes: 1
port: 11211
preferred_availability_zone: us-east-1d
preferred_maintenance_window: wed:03:00-wed:04:00
snapshot_name: deletesnapshot
snapshot_retention_limit: 0
snapshot_source: manual
snapshot_status: creating
snapshot_window: 10:00-11:00
vpc_id: vpc-c248fda4
changed:
description: if a snapshot has been created, deleted, or copied
returned: always
type: bool
sample:
changed: true
"""
import traceback
try:
import boto3
import botocore
HAS_BOTO3 = True
except ImportError:
HAS_BOTO3 = False
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ec2 import boto3_conn, get_aws_connection_info, ec2_argument_spec, camel_dict_to_snake_dict
def create(module, connection, replication_id, cluster_id, name):
""" Create an Elasticache backup. """
try:
response = connection.create_snapshot(ReplicationGroupId=replication_id,
CacheClusterId=cluster_id,
SnapshotName=name)
changed = True
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == "SnapshotAlreadyExistsFault":
response = {}
changed = False
else:
module.fail_json(msg="Unable to create the snapshot.", exception=traceback.format_exc())
return response, changed
def copy(module, connection, name, target, bucket):
""" Copy an Elasticache backup. """
try:
response = connection.copy_snapshot(SourceSnapshotName=name,
TargetSnapshotName=target,
TargetBucket=bucket)
changed = True
except botocore.exceptions.ClientError as e:
module.fail_json(msg="Unable to copy the snapshot.", exception=traceback.format_exc())
return response, changed
def delete(module, connection, name):
""" Delete an Elasticache backup. """
try:
response = connection.delete_snapshot(SnapshotName=name)
changed = True
except botocore.exceptions.ClientError as e:
if e.response['Error']['Code'] == "SnapshotNotFoundFault":
response = {}
changed = False
elif e.response['Error']['Code'] == "InvalidSnapshotState":
module.fail_json(msg="Error: InvalidSnapshotState. The snapshot is not in an available state or failed state to allow deletion."
"You may need to wait a few minutes.")
else:
module.fail_json(msg="Unable to delete the snapshot.", exception=traceback.format_exc())
return response, changed
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(
dict(
name=dict(required=True, type='str'),
state=dict(required=True, type='str', choices=['present', 'absent', 'copy']),
replication_id=dict(type='str'),
cluster_id=dict(type='str'),
target=dict(type='str'),
bucket=dict(type='str'),
)
)
module = AnsibleModule(argument_spec=argument_spec)
if not HAS_BOTO3:
module.fail_json(msg='boto required for this module')
name = module.params.get('name')
state = module.params.get('state')
replication_id = module.params.get('replication_id')
cluster_id = module.params.get('cluster_id')
target = module.params.get('target')
bucket = module.params.get('bucket')
# Retrieve any AWS settings from the environment.
region, ec2_url, aws_connect_kwargs = get_aws_connection_info(module, boto3=True)
if not region:
module.fail_json(msg=str("Either region or AWS_REGION or EC2_REGION environment variable or boto config aws_region or ec2_region must be set."))
connection = boto3_conn(module, conn_type='client',
resource='elasticache', region=region,
endpoint=ec2_url, **aws_connect_kwargs)
changed = False
response = {}
if state == 'present':
if not all((replication_id, cluster_id)):
module.fail_json(msg="The state 'present' requires options: 'replication_id' and 'cluster_id'")
response, changed = create(module, connection, replication_id, cluster_id, name)
elif state == 'absent':
response, changed = delete(module, connection, name)
elif state == 'copy':
if not all((target, bucket)):
module.fail_json(msg="The state 'copy' requires options: 'target' and 'bucket'.")
response, changed = copy(module, connection, name, target, bucket)
facts_result = dict(changed=changed, **camel_dict_to_snake_dict(response))
module.exit_json(**facts_result)
if __name__ == '__main__':
main()
|
