mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-06 09:00:58 +02:00
267 lines
7.8 KiB
Python
267 lines
7.8 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2016, Adam Števko <adam.stevko@gmail.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 = '''
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---
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module: zfs_facts
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short_description: Gather facts about ZFS datasets.
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description:
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- Gather facts from ZFS dataset properties.
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version_added: "2.3"
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author: Adam Števko (@xen0l)
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options:
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name:
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description:
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- ZFS dataset name.
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required: yes
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aliases: [ "ds", "dataset" ]
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recurse:
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description:
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- Specifies if properties for any children should be recursively
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displayed.
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type: bool
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default: 'no'
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parsable:
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description:
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- Specifies if property values should be displayed in machine
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friendly format.
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type: bool
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default: 'no'
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properties:
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description:
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- Specifies which dataset properties should be queried in comma-separated format.
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For more information about dataset properties, check zfs(1M) man page.
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default: all
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aliases: [ "props" ]
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type:
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description:
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- Specifies which datasets types to display. Multiple values have to be
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provided in comma-separated form.
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choices: [ 'all', 'filesystem', 'volume', 'snapshot', 'bookmark' ]
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default: all
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depth:
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description:
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- Specifiies recurion depth.
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'''
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EXAMPLES = '''
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- name: Gather facts about ZFS dataset rpool/export/home
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zfs_facts:
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dataset: rpool/export/home
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- name: Report space usage on ZFS filesystems under data/home
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zfs_facts:
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name: data/home
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recurse: yes
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type: filesystem
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- debug:
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msg: 'ZFS dataset {{ item.name }} consumes {{ item.used }} of disk space.'
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with_items: '{{ ansible_zfs_datasets }}'
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'''
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RETURN = '''
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name:
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description: ZFS dataset name
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returned: always
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type: string
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sample: rpool/var/spool
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parsable:
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description: if parsable output should be provided in machine friendly format.
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returned: if 'parsable' is set to True
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type: boolean
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sample: True
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recurse:
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description: if we should recurse over ZFS dataset
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returned: if 'recurse' is set to True
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type: boolean
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sample: True
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zfs_datasets:
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description: ZFS dataset facts
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returned: always
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type: string
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sample:
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{
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"aclinherit": "restricted",
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"aclmode": "discard",
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"atime": "on",
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"available": "43.8G",
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"canmount": "on",
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"casesensitivity": "sensitive",
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"checksum": "on",
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"compression": "off",
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"compressratio": "1.00x",
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"copies": "1",
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"creation": "Thu Jun 16 11:37 2016",
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"dedup": "off",
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"devices": "on",
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"exec": "on",
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"filesystem_count": "none",
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"filesystem_limit": "none",
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"logbias": "latency",
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"logicalreferenced": "18.5K",
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"logicalused": "3.45G",
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"mlslabel": "none",
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"mounted": "yes",
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"mountpoint": "/rpool",
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"name": "rpool",
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"nbmand": "off",
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"normalization": "none",
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"org.openindiana.caiman:install": "ready",
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"primarycache": "all",
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"quota": "none",
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"readonly": "off",
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"recordsize": "128K",
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"redundant_metadata": "all",
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"refcompressratio": "1.00x",
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"referenced": "29.5K",
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"refquota": "none",
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"refreservation": "none",
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"reservation": "none",
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"secondarycache": "all",
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"setuid": "on",
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"sharenfs": "off",
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"sharesmb": "off",
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"snapdir": "hidden",
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"snapshot_count": "none",
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"snapshot_limit": "none",
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"sync": "standard",
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"type": "filesystem",
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"used": "4.41G",
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"usedbychildren": "4.41G",
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"usedbydataset": "29.5K",
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"usedbyrefreservation": "0",
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"usedbysnapshots": "0",
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"utf8only": "off",
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"version": "5",
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"vscan": "off",
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"written": "29.5K",
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"xattr": "on",
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"zoned": "off"
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}
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'''
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from collections import defaultdict
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.six import iteritems
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SUPPORTED_TYPES = ['all', 'filesystem', 'volume', 'snapshot', 'bookmark']
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class ZFSFacts(object):
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def __init__(self, module):
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self.module = module
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self.name = module.params['name']
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self.recurse = module.params['recurse']
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self.parsable = module.params['parsable']
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self.properties = module.params['properties']
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self.type = module.params['type']
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self.depth = module.params['depth']
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self._datasets = defaultdict(dict)
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self.facts = []
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def dataset_exists(self):
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cmd = [self.module.get_bin_path('zfs')]
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cmd.append('list')
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cmd.append(self.name)
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(rc, out, err) = self.module.run_command(cmd)
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if rc == 0:
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return True
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else:
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return False
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def get_facts(self):
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cmd = [self.module.get_bin_path('zfs')]
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cmd.append('get')
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cmd.append('-H')
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if self.parsable:
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cmd.append('-p')
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if self.recurse:
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cmd.append('-r')
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if int(self.depth) != 0:
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cmd.append('-d')
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cmd.append('%s' % self.depth)
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if self.type:
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cmd.append('-t')
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cmd.append(self.type)
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cmd.append('-o')
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cmd.append('name,property,value')
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cmd.append(self.properties)
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cmd.append(self.name)
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(rc, out, err) = self.module.run_command(cmd)
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if rc == 0:
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for line in out.splitlines():
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dataset, property, value = line.split('\t')
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self._datasets[dataset].update({property: value})
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for k, v in iteritems(self._datasets):
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v.update({'name': k})
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self.facts.append(v)
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return {'ansible_zfs_datasets': self.facts}
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else:
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self.module.fail_json(msg='Error while trying to get facts about ZFS dataset: %s' % self.name,
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stderr=err,
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rc=rc)
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(required=True, aliases=['ds', 'dataset'], type='str'),
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recurse=dict(required=False, default=False, type='bool'),
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parsable=dict(required=False, default=False, type='bool'),
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properties=dict(required=False, default='all', type='str'),
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type=dict(required=False, default='all', type='str', choices=SUPPORTED_TYPES),
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depth=dict(required=False, default=0, type='int')
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),
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supports_check_mode=True
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)
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zfs_facts = ZFSFacts(module)
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result = {}
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result['changed'] = False
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result['name'] = zfs_facts.name
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if zfs_facts.parsable:
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result['parsable'] = zfs_facts.parsable
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if zfs_facts.recurse:
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result['recurse'] = zfs_facts.recurse
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if zfs_facts.dataset_exists():
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result['ansible_facts'] = zfs_facts.get_facts()
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else:
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module.fail_json(msg='ZFS dataset %s does not exist!' % zfs_facts.name)
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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