dbc1e20462
ZFS supports "zle" compression, which compresses runs of null bytes efficiently.
412 lines
13 KiB
Python
412 lines
13 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2013, Johan Wiren <johan.wiren.se@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: zfs
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short_description: Manage zfs
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description:
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- Manages ZFS file systems on Solaris and FreeBSD. Can manage file systems, volumes and snapshots. See zfs(1M) for more information about the properties.
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version_added: "1.1"
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options:
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name:
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description:
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- File system, snapshot or volume name e.g. C(rpool/myfs)
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required: true
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state:
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description:
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- Whether to create (C(present)), or remove (C(absent)) a file system, snapshot or volume.
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required: true
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choices: [present, absent]
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aclinherit:
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description:
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- The aclinherit property.
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required: False
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choices: [discard,noallow,restricted,passthrough,passthrough-x]
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aclmode:
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description:
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- The aclmode property.
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required: False
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choices: [discard,groupmask,passthrough]
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atime:
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description:
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- The atime property.
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required: False
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choices: ['on','off']
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canmount:
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description:
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- The canmount property.
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required: False
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choices: ['on','off','noauto']
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casesensitivity:
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description:
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- The casesensitivity property.
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required: False
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choices: [sensitive,insensitive,mixed]
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checksum:
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description:
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- The checksum property.
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required: False
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choices: ['on','off',fletcher2,fletcher4,sha256]
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compression:
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description:
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- The compression property.
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required: False
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choices: ['on','off',lzjb,gzip,gzip-1,gzip-2,gzip-3,gzip-4,gzip-5,gzip-6,gzip-7,gzip-8,gzip-9,lz4,zle]
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copies:
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description:
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- The copies property.
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required: False
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choices: [1,2,3]
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dedup:
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description:
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- The dedup property.
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required: False
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choices: ['on','off']
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devices:
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description:
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- The devices property.
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required: False
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choices: ['on','off']
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exec:
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description:
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- The exec property.
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required: False
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choices: ['on','off']
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jailed:
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description:
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- The jailed property.
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required: False
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choices: ['on','off']
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logbias:
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description:
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- The logbias property.
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required: False
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choices: [latency,throughput]
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mountpoint:
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description:
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- The mountpoint property.
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required: False
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nbmand:
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description:
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- The nbmand property.
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required: False
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choices: ['on','off']
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normalization:
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description:
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- The normalization property.
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required: False
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choices: [none,formC,formD,formKC,formKD]
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primarycache:
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description:
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- The primarycache property.
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required: False
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choices: [all,none,metadata]
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quota:
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description:
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- The quota property.
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required: False
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readonly:
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description:
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- The readonly property.
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required: False
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choices: ['on','off']
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recordsize:
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description:
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- The recordsize property.
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required: False
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refquota:
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description:
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- The refquota property.
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required: False
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refreservation:
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description:
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- The refreservation property.
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required: False
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reservation:
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description:
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- The reservation property.
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required: False
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secondarycache:
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description:
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- The secondarycache property.
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required: False
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choices: [all,none,metadata]
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setuid:
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description:
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- The setuid property.
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required: False
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choices: ['on','off']
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shareiscsi:
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description:
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- The shareiscsi property.
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required: False
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choices: ['on','off']
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sharenfs:
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description:
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- The sharenfs property.
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required: False
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sharesmb:
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description:
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- The sharesmb property.
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required: False
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snapdir:
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description:
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- The snapdir property.
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required: False
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choices: [hidden,visible]
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sync:
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description:
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- The sync property.
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required: False
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choices: ['on','off']
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utf8only:
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description:
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- The utf8only property.
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required: False
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choices: ['on','off']
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volsize:
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description:
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- The volsize property.
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required: False
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volblocksize:
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description:
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- The volblocksize property.
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required: False
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vscan:
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description:
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- The vscan property.
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required: False
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choices: ['on','off']
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xattr:
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description:
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- The xattr property.
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required: False
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choices: ['on','off']
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zoned:
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description:
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- The zoned property.
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required: False
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choices: ['on','off']
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author: Johan Wiren
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'''
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EXAMPLES = '''
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# Create a new file system called myfs in pool rpool
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- zfs: name=rpool/myfs state=present
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# Create a new volume called myvol in pool rpool.
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- zfs: name=rpool/myvol state=present volsize=10M
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# Create a snapshot of rpool/myfs file system.
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- zfs: name=rpool/myfs@mysnapshot state=present
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# Create a new file system called myfs2 with snapdir enabled
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- zfs: name=rpool/myfs2 state=present snapdir=enabled
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'''
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import os
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class Zfs(object):
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def __init__(self, module, name, properties):
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self.module = module
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self.name = name
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self.properties = properties
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self.changed = False
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self.immutable_properties = [ 'casesensitivity', 'normalization', 'utf8only' ]
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def exists(self):
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cmd = [self.module.get_bin_path('zfs', True)]
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cmd.append('list')
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cmd.append('-t all')
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cmd.append(self.name)
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(rc, out, err) = self.module.run_command(' '.join(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 create(self):
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if self.module.check_mode:
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self.changed = True
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return
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properties=self.properties
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volsize = properties.pop('volsize', None)
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volblocksize = properties.pop('volblocksize', None)
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if "@" in self.name:
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action = 'snapshot'
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else:
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action = 'create'
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cmd = [self.module.get_bin_path('zfs', True)]
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cmd.append(action)
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if volblocksize:
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cmd.append('-b %s' % volblocksize)
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if properties:
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for prop, value in properties.iteritems():
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cmd.append('-o %s=%s' % (prop, value))
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if volsize:
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cmd.append('-V')
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cmd.append(volsize)
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cmd.append(self.name)
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(rc, err, out) = self.module.run_command(' '.join(cmd))
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if rc == 0:
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self.changed=True
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else:
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self.module.fail_json(msg=out)
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def destroy(self):
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if self.module.check_mode:
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self.changed = True
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return
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cmd = [self.module.get_bin_path('zfs', True)]
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cmd.append('destroy')
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cmd.append(self.name)
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(rc, err, out) = self.module.run_command(' '.join(cmd))
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if rc == 0:
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self.changed = True
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else:
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self.module.fail_json(msg=out)
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def set_property(self, prop, value):
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if self.module.check_mode:
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self.changed = True
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return
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cmd = self.module.get_bin_path('zfs', True)
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args = [cmd, 'set', prop + '=' + value, self.name]
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(rc, err, out) = self.module.run_command(args)
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if rc == 0:
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self.changed = True
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else:
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self.module.fail_json(msg=out)
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def set_properties_if_changed(self):
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current_properties = self.get_current_properties()
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for prop, value in self.properties.iteritems():
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if current_properties[prop] != value:
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if prop in self.immutable_properties:
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self.module.fail_json(msg='Cannot change property %s after creation.' % prop)
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else:
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self.set_property(prop, value)
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def get_current_properties(self):
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cmd = [self.module.get_bin_path('zfs', True)]
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cmd.append('get -H all')
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cmd.append(self.name)
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rc, out, err = self.module.run_command(' '.join(cmd))
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properties = dict()
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for l in out.splitlines():
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p, v = l.split('\t')[1:3]
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properties[p] = v
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return properties
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def run_command(self, cmd):
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progname = cmd[0]
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cmd[0] = module.get_bin_path(progname, True)
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return module.run_command(cmd)
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def main():
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# FIXME: should use dict() constructor like other modules, required=False is default
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module = AnsibleModule(
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argument_spec = {
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'name': {'required': True},
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'state': {'required': True, 'choices':['present', 'absent']},
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'aclinherit': {'required': False, 'choices':['discard', 'noallow', 'restricted', 'passthrough', 'passthrough-x']},
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'aclmode': {'required': False, 'choices':['discard', 'groupmask', 'passthrough']},
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'atime': {'required': False, 'choices':['on', 'off']},
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'canmount': {'required': False, 'choices':['on', 'off', 'noauto']},
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'casesensitivity': {'required': False, 'choices':['sensitive', 'insensitive', 'mixed']},
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'checksum': {'required': False, 'choices':['on', 'off', 'fletcher2', 'fletcher4', 'sha256']},
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'compression': {'required': False, 'choices':['on', 'off', 'lzjb', 'gzip', 'gzip-1', 'gzip-2', 'gzip-3', 'gzip-4', 'gzip-5', 'gzip-6', 'gzip-7', 'gzip-8', 'gzip-9', 'lz4', 'zle']},
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'copies': {'required': False, 'choices':['1', '2', '3']},
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'dedup': {'required': False, 'choices':['on', 'off']},
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'devices': {'required': False, 'choices':['on', 'off']},
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'exec': {'required': False, 'choices':['on', 'off']},
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# Not supported
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#'groupquota': {'required': False},
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'jailed': {'required': False, 'choices':['on', 'off']},
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'logbias': {'required': False, 'choices':['latency', 'throughput']},
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'mountpoint': {'required': False},
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'nbmand': {'required': False, 'choices':['on', 'off']},
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'normalization': {'required': False, 'choices':['none', 'formC', 'formD', 'formKC', 'formKD']},
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'primarycache': {'required': False, 'choices':['all', 'none', 'metadata']},
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'quota': {'required': False},
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'readonly': {'required': False, 'choices':['on', 'off']},
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'recordsize': {'required': False},
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'refquota': {'required': False},
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'refreservation': {'required': False},
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'reservation': {'required': False},
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'secondarycache': {'required': False, 'choices':['all', 'none', 'metadata']},
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'setuid': {'required': False, 'choices':['on', 'off']},
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'shareiscsi': {'required': False, 'choices':['on', 'off']},
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'sharenfs': {'required': False},
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'sharesmb': {'required': False},
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'snapdir': {'required': False, 'choices':['hidden', 'visible']},
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'sync': {'required': False, 'choices':['on', 'off']},
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# Not supported
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#'userquota': {'required': False},
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'utf8only': {'required': False, 'choices':['on', 'off']},
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'volsize': {'required': False},
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'volblocksize': {'required': False},
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'vscan': {'required': False, 'choices':['on', 'off']},
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'xattr': {'required': False, 'choices':['on', 'off']},
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'zoned': {'required': False, 'choices':['on', 'off']},
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},
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supports_check_mode=True
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)
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state = module.params.pop('state')
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name = module.params.pop('name')
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# Get all valid zfs-properties
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properties = dict()
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for prop, value in module.params.iteritems():
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if prop in ['CHECKMODE']:
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continue
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if value:
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properties[prop] = value
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result = {}
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result['name'] = name
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result['state'] = state
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zfs=Zfs(module, name, properties)
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if state == 'present':
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if zfs.exists():
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zfs.set_properties_if_changed()
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else:
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zfs.create()
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elif state == 'absent':
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if zfs.exists():
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zfs.destroy()
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result.update(zfs.properties)
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result['changed'] = zfs.changed
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module.exit_json(**result)
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# include magic from lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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