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#!/usr/bin/python
# (c) 2016, NetApp, Inc
# 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: netapp_e_snapshot_images
short_description: NetApp E-Series create and delete snapshot images
description:
- Create and delete snapshots images on snapshot groups for NetApp E-series storage arrays.
- Only the oldest snapshot image can be deleted so consistency is preserved.
- "Related: Snapshot volumes are created from snapshot images."
version_added: '2.2'
author: Kevin Hulquest (@hulquest)
options:
api_username:
required: true
description:
- The username to authenticate with the SANtricity WebServices Proxy or embedded REST API.
api_password:
required: true
description:
- The password to authenticate with the SANtricity WebServices Proxy or embedded REST API.
api_url:
required: true
description:
- The url to the SANtricity WebServices Proxy or embedded REST API.
validate_certs:
required: false
default: true
description:
- Should https certificates be validated?
snapshot_group:
description:
- The name of the snapshot group in which you want to create a snapshot image.
required: True
state:
description:
- Whether a new snapshot image should be created or oldest be deleted.
required: True
choices: ['create', 'remove']
"""
EXAMPLES = """
- name: Create Snapshot
netapp_e_snapshot_images:
ssid: "{{ ssid }}"
api_url: "{{ netapp_api_url }}"
api_username: "{{ netapp_api_username }}"
api_password: "{{ netapp_api_password }}"
validate_certs: "{{ validate_certs }}"
snapshot_group: "3300000060080E5000299C24000005B656D9F394"
state: 'create'
"""
RETURN = """
---
msg:
description: State of operation
type: str
returned: always
sample: "Created snapshot image"
image_id:
description: ID of snapshot image
type: str
returned: state == created
sample: "3400000060080E5000299B640063074057BC5C5E "
"""
HEADERS = {
"Content-Type": "application/json",
"Accept": "application/json",
}
import json
from ansible.module_utils.api import basic_auth_argument_spec
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils._text import to_native
from ansible.module_utils.urls import open_url
from ansible.module_utils.six.moves.urllib.error import HTTPError
def request(url, data=None, headers=None, method='GET', use_proxy=True,
force=False, last_mod_time=None, timeout=10, validate_certs=True,
url_username=None, url_password=None, http_agent=None, force_basic_auth=True, ignore_errors=False):
try:
r = open_url(url=url, data=data, headers=headers, method=method, use_proxy=use_proxy,
force=force, last_mod_time=last_mod_time, timeout=timeout, validate_certs=validate_certs,
url_username=url_username, url_password=url_password, http_agent=http_agent,
force_basic_auth=force_basic_auth)
except HTTPError as err:
r = err.fp
try:
raw_data = r.read()
if raw_data:
data = json.loads(raw_data)
else:
raw_data = None
except Exception:
if ignore_errors:
pass
else:
raise Exception(raw_data)
resp_code = r.getcode()
if resp_code >= 400 and not ignore_errors:
raise Exception(resp_code, data)
else:
return resp_code, data
def snapshot_group_from_name(module, ssid, api_url, api_pwd, api_usr, name):
snap_groups = 'storage-systems/%s/snapshot-groups' % ssid
snap_groups_url = api_url + snap_groups
(ret, snapshot_groups) = request(snap_groups_url, url_username=api_usr, url_password=api_pwd, headers=HEADERS,
validate_certs=module.params['validate_certs'])
snapshot_group_id = None
for snapshot_group in snapshot_groups:
if name == snapshot_group['label']:
snapshot_group_id = snapshot_group['pitGroupRef']
break
if snapshot_group_id is None:
module.fail_json(msg="Failed to lookup snapshot group. Group [%s]. Id [%s]." % (name, ssid))
return snapshot_group
def oldest_image(module, ssid, api_url, api_pwd, api_usr, name):
get_status = 'storage-systems/%s/snapshot-images' % ssid
url = api_url + get_status
try:
(ret, images) = request(url, url_username=api_usr, url_password=api_pwd, headers=HEADERS,
validate_certs=module.params['validate_certs'])
except Exception as err:
module.fail_json(msg="Failed to get snapshot images for group. Group [%s]. Id [%s]. Error [%s]" %
(name, ssid, to_native(err)))
if not images:
module.exit_json(msg="There are no snapshot images to remove. Group [%s]. Id [%s]." % (name, ssid))
oldest = min(images, key=lambda x: x['pitSequenceNumber'])
if oldest is None or "pitRef" not in oldest:
module.fail_json(msg="Failed to lookup oldest snapshot group. Group [%s]. Id [%s]." % (name, ssid))
return oldest
def create_image(module, ssid, api_url, pwd, user, p, snapshot_group):
snapshot_group_obj = snapshot_group_from_name(module, ssid, api_url, pwd, user, snapshot_group)
snapshot_group_id = snapshot_group_obj['pitGroupRef']
endpoint = 'storage-systems/%s/snapshot-images' % ssid
url = api_url + endpoint
post_data = json.dumps({'groupId': snapshot_group_id})
image_data = request(url, data=post_data, method='POST', url_username=user, url_password=pwd, headers=HEADERS,
validate_certs=module.params['validate_certs'])
if image_data[1]['status'] == 'optimal':
status = True
id = image_data[1]['id']
else:
status = False
id = ''
return status, id
def delete_image(module, ssid, api_url, pwd, user, snapshot_group):
image = oldest_image(module, ssid, api_url, pwd, user, snapshot_group)
image_id = image['pitRef']
endpoint = 'storage-systems/%s/snapshot-images/%s' % (ssid, image_id)
url = api_url + endpoint
try:
(ret, image_data) = request(url, method='DELETE', url_username=user, url_password=pwd, headers=HEADERS,
validate_certs=module.params['validate_certs'])
except Exception as e:
image_data = (e[0], e[1])
if ret == 204:
deleted_status = True
error_message = ''
else:
deleted_status = False
error_message = image_data[1]['errorMessage']
return deleted_status, error_message
def main():
argument_spec = basic_auth_argument_spec()
argument_spec.update(dict(
snapshot_group=dict(required=True, type='str'),
ssid=dict(required=True, type='str'),
api_url=dict(required=True),
api_username=dict(required=False),
api_password=dict(required=False, no_log=True),
validate_certs=dict(required=False, default=True),
state=dict(required=True, choices=['create', 'remove'], type='str'),
))
module = AnsibleModule(argument_spec)
p = module.params
ssid = p.pop('ssid')
api_url = p.pop('api_url')
user = p.pop('api_username')
pwd = p.pop('api_password')
snapshot_group = p.pop('snapshot_group')
desired_state = p.pop('state')
if not api_url.endswith('/'):
api_url += '/'
if desired_state == 'create':
created_status, snapshot_id = create_image(module, ssid, api_url, pwd, user, p, snapshot_group)
if created_status:
module.exit_json(changed=True, msg='Created snapshot image', image_id=snapshot_id)
else:
module.fail_json(
msg="Could not create snapshot image on system %s, in snapshot group %s" % (ssid, snapshot_group))
else:
deleted, error_msg = delete_image(module, ssid, api_url, pwd, user, snapshot_group)
if deleted:
module.exit_json(changed=True, msg='Deleted snapshot image for snapshot group [%s]' % (snapshot_group))
else:
module.fail_json(
msg="Could not create snapshot image on system %s, in snapshot group %s --- %s" % (
ssid, snapshot_group, error_msg))
if __name__ == '__main__':
main()
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