#!/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_volume short_description: NetApp E-Series manage snapshot volumes. description: - Create, update, remove snapshot volumes for NetApp E/EF-Series storage arrays. author: Kevin Hulquest (@hulquest) notes: - Only I(full_threshold) is supported for update operations. If the snapshot volume already exists and the threshold matches, then an C(ok) status will be returned, no other changes can be made to a pre-existing snapshot volume. 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? type: bool ssid: description: - storage array ID required: True snapshot_image_id: required: True description: - The identifier of the snapshot image used to create the new snapshot volume. - "Note: You'll likely want to use the M(netapp_e_facts) module to find the ID of the image you want." full_threshold: description: - The repository utilization warning threshold percentage default: 85 name: required: True description: - The name you wish to give the snapshot volume view_mode: required: True description: - The snapshot volume access mode choices: - modeUnknown - readWrite - readOnly - __UNDEFINED repo_percentage: description: - The size of the view in relation to the size of the base volume default: 20 storage_pool_name: description: - Name of the storage pool on which to allocate the repository volume. required: True state: description: - Whether to create or remove the snapshot volume required: True choices: - absent - present ''' EXAMPLES = """ - name: Snapshot volume netapp_e_snapshot_volume: ssid: "{{ ssid }}" api_url: "{{ netapp_api_url }}/" api_username: "{{ netapp_api_username }}" api_password: "{{ netapp_api_password }}" state: present storage_pool_name: "{{ snapshot_volume_storage_pool_name }}" snapshot_image_id: "{{ snapshot_volume_image_id }}" name: "{{ snapshot_volume_name }}" """ RETURN = """ msg: description: Success message returned: success type: str sample: Json facts for the volume that was created. """ 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.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 class SnapshotVolume(object): def __init__(self): argument_spec = basic_auth_argument_spec() argument_spec.update(dict( api_username=dict(type='str', required=True), api_password=dict(type='str', required=True, no_log=True), api_url=dict(type='str', required=True), ssid=dict(type='str', required=True), snapshot_image_id=dict(type='str', required=True), full_threshold=dict(type='int', default=85), name=dict(type='str', required=True), view_mode=dict(type='str', default='readOnly', choices=['readOnly', 'readWrite', 'modeUnknown', '__Undefined']), repo_percentage=dict(type='int', default=20), storage_pool_name=dict(type='str', required=True), state=dict(type='str', required=True, choices=['absent', 'present']) )) self.module = AnsibleModule(argument_spec=argument_spec) args = self.module.params self.state = args['state'] self.ssid = args['ssid'] self.snapshot_image_id = args['snapshot_image_id'] self.full_threshold = args['full_threshold'] self.name = args['name'] self.view_mode = args['view_mode'] self.repo_percentage = args['repo_percentage'] self.storage_pool_name = args['storage_pool_name'] self.url = args['api_url'] self.user = args['api_username'] self.pwd = args['api_password'] self.certs = args['validate_certs'] if not self.url.endswith('/'): self.url += '/' @property def pool_id(self): pools = 'storage-systems/%s/storage-pools' % self.ssid url = self.url + pools (rc, data) = request(url, headers=HEADERS, url_username=self.user, url_password=self.pwd, validate_certs=self.certs) for pool in data: if pool['name'] == self.storage_pool_name: self.pool_data = pool return pool['id'] self.module.fail_json(msg="No storage pool with the name: '%s' was found" % self.name) @property def ss_vol_exists(self): rc, ss_vols = request(self.url + 'storage-systems/%s/snapshot-volumes' % self.ssid, headers=HEADERS, url_username=self.user, url_password=self.pwd, validate_certs=self.certs) if ss_vols: for ss_vol in ss_vols: if ss_vol['name'] == self.name: self.ss_vol = ss_vol return True else: return False return False @property def ss_vol_needs_update(self): if self.ss_vol['fullWarnThreshold'] != self.full_threshold: return True else: return False def create_ss_vol(self): post_data = dict( snapshotImageId=self.snapshot_image_id, fullThreshold=self.full_threshold, name=self.name, viewMode=self.view_mode, repositoryPercentage=self.repo_percentage, repositoryPoolId=self.pool_id ) rc, create_resp = request(self.url + 'storage-systems/%s/snapshot-volumes' % self.ssid, data=json.dumps(post_data), headers=HEADERS, url_username=self.user, url_password=self.pwd, validate_certs=self.certs, method='POST') self.ss_vol = create_resp # Doing a check after creation because the creation call fails to set the specified warning threshold if self.ss_vol_needs_update: self.update_ss_vol() else: self.module.exit_json(changed=True, **create_resp) def update_ss_vol(self): post_data = dict( fullThreshold=self.full_threshold, ) rc, resp = request(self.url + 'storage-systems/%s/snapshot-volumes/%s' % (self.ssid, self.ss_vol['id']), data=json.dumps(post_data), headers=HEADERS, url_username=self.user, url_password=self.pwd, method='POST', validate_certs=self.certs) self.module.exit_json(changed=True, **resp) def remove_ss_vol(self): rc, resp = request(self.url + 'storage-systems/%s/snapshot-volumes/%s' % (self.ssid, self.ss_vol['id']), headers=HEADERS, url_username=self.user, url_password=self.pwd, validate_certs=self.certs, method='DELETE') self.module.exit_json(changed=True, msg="Volume successfully deleted") def apply(self): if self.state == 'present': if self.ss_vol_exists: if self.ss_vol_needs_update: self.update_ss_vol() else: self.module.exit_json(changed=False, **self.ss_vol) else: self.create_ss_vol() else: if self.ss_vol_exists: self.remove_ss_vol() else: self.module.exit_json(changed=False, msg="Volume already absent") def main(): sv = SnapshotVolume() sv.apply() if __name__ == '__main__': main()