mirror of https://github.com/ansible/ansible.git
Chris Archibald
6 years ago
committed by
John R Barker
parent
03e3a0b202
commit
790e19804b
@ -0,0 +1,396 @@
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#!/usr/bin/python
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# (c) 2017, NetApp, Inc
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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"""Element OS Software Volume Manager"""
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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module: na_elementsw_volume
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short_description: NetApp Element Software Manage Volumes
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extends_documentation_fragment:
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- netapp.solidfire
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version_added: '2.7'
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author: NetApp Ansible Team (ng-ansibleteam@netapp.com)
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description:
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- Create, destroy, or update volumes on ElementSW
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options:
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state:
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description:
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- Whether the specified volume should exist or not.
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required: true
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choices: ['present', 'absent']
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name:
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description:
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- The name of the volume to manage.
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- It accepts volume_name or volume_id
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required: true
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account_id:
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description:
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- Account ID for the owner of this volume.
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- It accepts Account_id or Account_name
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required: true
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enable512e:
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description:
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- Required when C(state=present)
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- Should the volume provide 512-byte sector emulation?
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type: bool
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aliases:
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- 512emulation
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qos:
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description: Initial quality of service settings for this volume. Configure as dict in playbooks.
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attributes:
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description: A YAML dictionary of attributes that you would like to apply on this volume.
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size:
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description:
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- The size of the volume in (size_unit).
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- Required when C(state = present).
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size_unit:
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description:
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- The unit used to interpret the size parameter.
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choices: ['bytes', 'b', 'kb', 'mb', 'gb', 'tb', 'pb', 'eb', 'zb', 'yb']
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default: 'gb'
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access:
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description:
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- Access allowed for the volume.
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- readOnly Only read operations are allowed.
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- readWrite Reads and writes are allowed.
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- locked No reads or writes are allowed.
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- replicationTarget Identify a volume as the target volume for a paired set of volumes.
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- If the volume is not paired, the access status is locked.
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- If unspecified, the access settings of the clone will be the same as the source.
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choices: ['readOnly', 'readWrite', 'locked', 'replicationTarget']
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password:
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description:
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- ElementSW access account password
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aliases:
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- pass
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username:
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description:
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- ElementSW access account user-name
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aliases:
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- user
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'''
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EXAMPLES = """
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- name: Create Volume
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na_elementsw_volume:
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hostname: "{{ elementsw_hostname }}"
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username: "{{ elementsw_username }}"
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password: "{{ elementsw_password }}"
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state: present
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name: AnsibleVol
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qos: {minIOPS: 1000, maxIOPS: 20000, burstIOPS: 50000}
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account_id: 3
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enable512e: False
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size: 1
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size_unit: gb
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- name: Update Volume
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na_elementsw_volume:
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hostname: "{{ elementsw_hostname }}"
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username: "{{ elementsw_username }}"
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password: "{{ elementsw_password }}"
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state: present
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name: AnsibleVol
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account_id: 3
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access: readWrite
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- name: Delete Volume
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na_elementsw_volume:
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hostname: "{{ elementsw_hostname }}"
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username: "{{ elementsw_username }}"
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password: "{{ elementsw_password }}"
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state: absent
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name: AnsibleVol
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account_id: 2
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"""
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RETURN = """
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msg:
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description: Success message
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returned: success
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type: string
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"""
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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import ansible.module_utils.netapp as netapp_utils
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from ansible.module_utils.netapp_elementsw_module import NaElementSWModule
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HAS_SF_SDK = netapp_utils.has_sf_sdk()
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try:
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import solidfire.common
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except:
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HAS_SF_SDK = False
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class ElementOSVolume(object):
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"""
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Contains methods to parse arguments,
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derive details of ElementSW objects
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and send requests to ElementOS via
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the ElementSW SDK
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"""
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def __init__(self):
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"""
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Parse arguments, setup state variables,
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check paramenters and ensure SDK is installed
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"""
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self._size_unit_map = netapp_utils.SF_BYTE_MAP
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self.argument_spec = netapp_utils.ontap_sf_host_argument_spec()
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self.argument_spec.update(dict(
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state=dict(required=True, choices=['present', 'absent']),
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name=dict(required=True, type='str'),
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account_id=dict(required=True),
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enable512e=dict(type='bool', aliases=['512emulation']),
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qos=dict(required=False, type='dict', default=None),
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attributes=dict(required=False, type='dict', default=None),
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size=dict(type='int'),
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size_unit=dict(default='gb',
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choices=['bytes', 'b', 'kb', 'mb', 'gb', 'tb',
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'pb', 'eb', 'zb', 'yb'], type='str'),
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access=dict(required=False, type='str', default=None, choices=['readOnly', 'readWrite',
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'locked', 'replicationTarget']),
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))
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self.module = AnsibleModule(
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argument_spec=self.argument_spec,
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required_if=[
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('state', 'present', ['size', 'enable512e'])
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],
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supports_check_mode=True
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)
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param = self.module.params
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# set up state variables
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self.state = param['state']
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self.name = param['name']
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self.account_id = param['account_id']
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self.enable512e = param['enable512e']
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self.qos = param['qos']
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self.attributes = param['attributes']
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self.access = param['access']
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self.size_unit = param['size_unit']
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if param['size'] is not None:
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self.size = param['size'] * self._size_unit_map[self.size_unit]
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else:
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self.size = None
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if HAS_SF_SDK is False:
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self.module.fail_json(msg="Unable to import the ElementSW Python SDK")
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else:
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try:
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self.sfe = netapp_utils.create_sf_connection(module=self.module)
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except solidfire.common.ApiServerError:
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self.module.fail_json(msg="Unable to create the connection")
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self.elementsw_helper = NaElementSWModule(self.sfe)
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# add telemetry attributes
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if self.attributes is not None:
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self.attributes.update(self.elementsw_helper.set_element_attributes(source='na_elementsw_volume'))
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else:
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self.attributes = self.elementsw_helper.set_element_attributes(source='na_elementsw_volume')
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def get_account_id(self):
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"""
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Return account id if found
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"""
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try:
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# Update and return self.account_id
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self.account_id = self.elementsw_helper.account_exists(self.account_id)
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return self.account_id
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except Exception as err:
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self.module.fail_json(msg="Error: account_id %s does not exist" % self.account_id, exception=to_native(err))
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def get_volume(self):
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"""
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Return volume details if found
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"""
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# Get volume details
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volume_id = self.elementsw_helper.volume_exists(self.name, self.account_id)
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if volume_id is not None:
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# Return volume_details
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volume_details = self.elementsw_helper.get_volume(volume_id)
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if volume_details is not None:
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return volume_details
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return None
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def create_volume(self):
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"""
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Create Volume
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:return: True if created, False if fails
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"""
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try:
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self.sfe.create_volume(name=self.name,
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account_id=self.account_id,
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total_size=self.size,
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enable512e=self.enable512e,
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qos=self.qos,
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attributes=self.attributes)
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except Exception as err:
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self.module.fail_json(msg="Error provisioning volume %s of size %s" % (self.name, self.size),
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exception=to_native(err))
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def delete_volume(self, volume_id):
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"""
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Delete and purge the volume using volume id
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:return: Success : True , Failed : False
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"""
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try:
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self.sfe.delete_volume(volume_id=volume_id)
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self.sfe.purge_deleted_volume(volume_id=volume_id)
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# Delete method will delete and also purge the volume instead of moving the volume state to inactive.
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except Exception as err:
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# Throwing the exact error message instead of generic error message
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self.module.fail_json(msg=err.message,
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exception=to_native(err))
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def update_volume(self, volume_id):
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"""
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Update the volume with the specified param
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:return: Success : True, Failed : False
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"""
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try:
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self.sfe.modify_volume(volume_id,
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account_id=self.account_id,
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access=self.access,
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qos=self.qos,
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total_size=self.size,
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attributes=self.attributes)
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except Exception as err:
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# Throwing the exact error message instead of generic error message
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self.module.fail_json(msg=err.message,
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exception=to_native(err))
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def apply(self):
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# Perform pre-checks, call functions and exit
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changed = False
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volume_exists = False
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update_volume = False
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self.get_account_id()
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volume_detail = self.get_volume()
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if volume_detail:
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volume_exists = True
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volume_id = volume_detail.volume_id
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if self.state == 'absent':
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# Checking for state change(s) here, and applying it later in the code allows us to support
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# check_mode
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changed = True
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elif self.state == 'present':
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# Checking all the params for update operation
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if volume_detail.access is not None and self.access is not None and volume_detail.access != self.access:
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update_volume = True
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changed = True
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elif volume_detail.account_id is not None and self.account_id is not None \
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and volume_detail.account_id != self.account_id:
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update_volume = True
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changed = True
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elif volume_detail.qos is not None and self.qos is not None:
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"""
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Actual volume_detail.qos has ['burst_iops', 'burst_time', 'curve', 'max_iops', 'min_iops'] keys.
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As only minOPS, maxOPS, burstOPS is important to consider, checking only these values.
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"""
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volume_qos = volume_detail.qos.__dict__
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if volume_qos['min_iops'] != self.qos['minIOPS'] or volume_qos['max_iops'] != self.qos['maxIOPS'] \
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or volume_qos['burst_iops'] != self.qos['burstIOPS']:
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update_volume = True
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changed = True
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else:
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# If check fails, do nothing
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pass
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if volume_detail.total_size is not None and volume_detail.total_size != self.size:
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size_difference = abs(float(volume_detail.total_size - self.size))
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# Change size only if difference is bigger than 0.001
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if size_difference / self.size > 0.001:
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update_volume = True
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changed = True
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else:
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# If check fails, do nothing
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pass
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if volume_detail.attributes is not None and self.attributes is not None and \
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volume_detail.attributes != self.attributes:
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update_volume = True
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changed = True
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else:
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if self.state == 'present':
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changed = True
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result_message = ""
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if changed:
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if self.module.check_mode:
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result_message = "Check mode, skipping changes"
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else:
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if self.state == 'present':
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if not volume_exists:
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self.create_volume()
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result_message = "Volume created"
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elif update_volume:
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self.update_volume(volume_id)
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result_message = "Volume updated"
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elif self.state == 'absent':
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self.delete_volume(volume_id)
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result_message = "Volume deleted"
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self.module.exit_json(changed=changed, msg=result_message)
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def main():
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# Create object and call apply
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na_elementsw_volume = ElementOSVolume()
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na_elementsw_volume.apply()
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if __name__ == '__main__':
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main()
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