mirror of
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254 lines
6.7 KiB
Python
254 lines
6.7 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2018, Simon Dodsley (simon@purestorage.com)
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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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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 = r'''
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---
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module: purefa_volume
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version_added: '2.4'
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short_description: Manage volumes on Pure Storage FlashArrays
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description:
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- Create, delete or extend the capacity of a volume on Pure Storage FlashArray.
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author:
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- Simon Dodsley (@sdodsley)
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options:
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name:
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description:
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- The name of the volume.
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required: true
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target:
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description:
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- The name of the target volume, if copying.
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state:
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description:
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- Define whether the volume should exist or not.
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default: present
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choices: [ absent, present ]
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eradicate:
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description:
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- Define whether to eradicate the volume on delete or leave in trash.
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type: bool
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default: 'no'
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overwrite:
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description:
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- Define whether to overwrite a target volume if it already exisits.
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type: bool
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default: 'no'
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size:
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description:
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- Volume size in M, G, T or P units.
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extends_documentation_fragment:
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- purestorage.fa
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'''
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EXAMPLES = r'''
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- name: Create new volume named foo
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purefa_volume:
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name: foo
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size: 1T
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fa_url: 10.10.10.2
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api_token: e31060a7-21fc-e277-6240-25983c6c4592
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state: present
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- name: Extend the size of an existing volume named foo
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purefa_volume:
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name: foo
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size: 2T
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fa_url: 10.10.10.2
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api_token: e31060a7-21fc-e277-6240-25983c6c4592
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state: present
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- name: Delete and eradicate volume named foo
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purefa_volume:
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name: foo
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eradicate: yes
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fa_url: 10.10.10.2
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api_token: e31060a7-21fc-e277-6240-25983c6c4592
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state: absent
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- name: Create clone of volume bar named foo
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purefa_volume:
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name: foo
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target: bar
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fa_url: 10.10.10.2
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api_token: e31060a7-21fc-e277-6240-25983c6c4592
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state: present
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- name: Overwrite volume bar with volume foo
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purefa_volume:
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name: foo
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target: bar
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overwrite: yes
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fa_url: 10.10.10.2
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api_token: e31060a7-21fc-e277-6240-25983c6c4592
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state: present
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'''
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RETURN = r'''
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'''
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try:
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from purestorage import purestorage
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HAS_PURESTORAGE = True
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except ImportError:
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HAS_PURESTORAGE = False
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.pure import get_system, purefa_argument_spec
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def human_to_bytes(size):
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"""Given a human-readable byte string (e.g. 2G, 30M),
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return the number of bytes. Will return 0 if the argument has
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unexpected form.
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"""
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bytes = size[:-1]
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unit = size[-1]
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if bytes.isdigit():
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bytes = int(bytes)
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if unit == 'P':
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bytes *= 1125899906842624
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elif unit == 'T':
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bytes *= 1099511627776
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elif unit == 'G':
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bytes *= 1073741824
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elif unit == 'M':
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bytes *= 1048576
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else:
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bytes = 0
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else:
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bytes = 0
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return bytes
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def get_volume(module, array):
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"""Return Volume or None"""
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try:
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return array.get_volume(module.params['name'])
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except:
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return None
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def get_target(module, array):
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"""Return Volume or None"""
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try:
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return array.get_volume(module.params['target'])
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except:
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return None
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def create_volume(module, array):
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"""Create Volume"""
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size = module.params['size']
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changed = True
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if not module.check_mode:
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try:
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array.create_volume(module.params['name'], size)
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except:
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changed = False
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module.exit_json(changed=changed)
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def copy_from_volume(module, array):
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"""Create Volume Clone"""
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changed = False
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tgt = get_target(module, array)
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if tgt is None:
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changed = True
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if not module.check_mode:
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array.copy_volume(module.params['name'],
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module.params['target'])
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elif tgt is not None and module.params['overwrite']:
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changed = True
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if not module.check_mode:
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array.copy_volume(module.params['name'],
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module.params['target'],
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overwrite=module.params['overwrite'])
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module.exit_json(changed=changed)
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def update_volume(module, array):
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"""Update Volume"""
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changed = True
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vol = array.get_volume(module.params['name'])
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if human_to_bytes(module.params['size']) > vol['size']:
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if not module.check_mode:
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array.extend_volume(module.params['name'], module.params['size'])
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else:
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changed = False
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module.exit_json(changed=changed)
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def delete_volume(module, array):
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""" Delete Volume"""
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changed = True
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if not module.check_mode:
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try:
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array.destroy_volume(module.params['name'])
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if module.params['eradicate']:
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try:
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array.eradicate_volume(module.params['name'])
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except:
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changed = False
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except:
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changed = False
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module.exit_json(changed=True)
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def main():
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argument_spec = purefa_argument_spec()
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argument_spec.update(dict(
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name=dict(type='str', required=True),
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target=dict(type='str'),
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overwrite=dict(type='bool', default=False),
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eradicate=dict(type='bool', default=False),
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state=dict(type='str', default='present', choices=['absent', 'present']),
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size=dict(type='str'),
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))
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mutually_exclusive = [['size', 'target']]
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module = AnsibleModule(argument_spec,
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mutually_exclusive=mutually_exclusive,
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supports_check_mode=True)
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if not HAS_PURESTORAGE:
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module.fail_json(msg='purestorage sdk is required for this module in volume')
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size = module.params['size']
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state = module.params['state']
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array = get_system(module)
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volume = get_volume(module, array)
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target = get_target(module, array)
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if state == 'present' and not volume and size:
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create_volume(module, array)
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elif state == 'present' and volume and size:
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update_volume(module, array)
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elif state == 'present' and volume and target:
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copy_from_volume(module, array)
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elif state == 'present' and volume and not target:
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copy_from_volume(module, array)
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elif state == 'absent' and volume:
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delete_volume(module, array)
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elif state == 'present' and not volume or not size:
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module.exit_json(changed=False)
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elif state == 'absent' and not volume:
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module.exit_json(changed=False)
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if __name__ == '__main__':
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main()
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