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Add automount plugin.
This commit is contained in:
Pavel Zuna
Rob Crittenden
parent
57123f2a99
commit
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324
ipalib/plugins/automount.py
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324
ipalib/plugins/automount.py
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# Authors:
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# Rob Crittenden <rcritten@redhat.com>
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# Pavel Zuna <pzuna@redhat.com>
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#
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# Copyright (C) 2008 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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#
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# This program 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 this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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Automount
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RFC 2707bis http://www.padl.com/~lukeh/rfc2307bis.txt
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A few notes on automount:
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- It was a design decision to not support different maps by location
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- The default parent when adding an indirect map is auto.master
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- This uses the short format for automount maps instead of the
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URL format. Support for ldap as a map source in nsswitch.conf was added
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in autofs version 4.1.3-197. Any version prior to that is not expected
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to work.
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As an example, the following automount files:
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auto.master:
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/- auto.direct
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/mnt auto.mnt
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auto.mnt:
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stuff -ro,soft,rsize=8192,wsize=8192 nfs.example.com:/vol/archive/stuff
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are equivalent to the following LDAP entries:
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# auto.master, automount, example.com
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dn: automountmapname=auto.master,cn=automount,dc=example,dc=com
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objectClass: automountMap
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objectClass: top
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automountMapName: auto.master
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# auto.direct, automount, example.com
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dn: automountmapname=auto.direct,cn=automount,dc=example,dc=com
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objectClass: automountMap
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objectClass: top
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automountMapName: auto.direct
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# /-, auto.master, automount, example.com
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dn: automountkey=/-,automountmapname=auto.master,cn=automount,dc=example,dc=co
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m
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objectClass: automount
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objectClass: top
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automountKey: /-
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automountInformation: auto.direct
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# auto.mnt, automount, example.com
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dn: automountmapname=auto.mnt,cn=automount,dc=example,dc=com
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objectClass: automountMap
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objectClass: top
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automountMapName: auto.mnt
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# /mnt, auto.master, automount, example.com
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dn: automountkey=/mnt,automountmapname=auto.master,cn=automount,dc=example,dc=
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com
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objectClass: automount
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objectClass: top
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automountKey: /mnt
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automountInformation: auto.mnt
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# stuff, auto.mnt, automount, example.com
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dn: automountkey=stuff,automountmapname=auto.mnt,cn=automount,dc=example,dc=com
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objectClass: automount
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objectClass: top
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automountKey: stuff
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automountInformation: -ro,soft,rsize=8192,wsize=8192 nfs.example.com:/vol/arch
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ive/stuff
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"""
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from ipalib import api, errors
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from ipalib import Object, Command
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from ipalib import Flag, Str
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from ipalib.plugins.baseldap import *
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_map_container_dn = api.env.container_automount
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_map_default_attributes = ['automountmapname', 'description']
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_key_default_attributes = [
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'automountkey', 'automountinformation', 'description'
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]
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class automountmap(LDAPObject):
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"""
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Automount map object.
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"""
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container_dn = _map_container_dn
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object_name = 'automount map'
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object_name_plural = 'automount maps'
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object_class = ['automountmap']
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default_attributes = _map_default_attributes
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takes_params = (
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Str('automountmapname',
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cli_name='name',
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primary_key=True,
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doc='automount map name',
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),
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Str('description?',
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cli_name='desc',
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doc='description',
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),
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)
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api.register(automountmap)
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class automountmap_add(LDAPCreate):
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"""
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Create new automount map.
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"""
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api.register(automountmap_add)
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class automountmap_del(LDAPDelete):
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"""
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Delete automount map.
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"""
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def post_callback(self, ldap, dn, *keys, **options):
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# delete optional parental connection (direct maps may not have this)
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try:
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(dn_, entry_attrs) = ldap.find_entry_by_attr(
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'automountinformation', keys[0], 'automount',
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base_dn=self.obj.container_dn
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)
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ldap.delete_entry(dn_)
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except errors.NotFound:
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pass
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return True
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api.register(automountmap_del)
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class automountmap_mod(LDAPUpdate):
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"""
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Modify automount map.
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"""
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api.register(automountmap_mod)
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class automountmap_find(LDAPSearch):
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"""
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Search for automount maps.
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"""
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api.register(automountmap_find)
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class automountmap_show(LDAPRetrieve):
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"""
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Display automount map.
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"""
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api.register(automountmap_show)
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class automountkey(LDAPObject):
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"""
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Automount key object.
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"""
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container_dn = _map_container_dn
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object_name = 'automount key'
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object_name_plural = 'automount keys'
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parent_object_name = 'map'
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object_class = ['automount']
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default_attributes = _key_default_attributes
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takes_params = (
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Str('automountmapname',
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cli_name='map',
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doc='name of automount map grouping related keys',
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parent_key=True,
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),
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Str('automountkey',
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cli_name='key',
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doc='key name',
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primary_key=True,
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),
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Str('automountinformation',
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cli_name='info',
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doc='mount information',
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),
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Str('description?',
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cli_name='desc',
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doc='description',
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),
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)
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api.register(automountkey)
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class automountkey_add(LDAPCreate):
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"""
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Create new automount key.
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"""
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api.register(automountkey_add)
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class automountkey_del(LDAPDelete):
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"""
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Delete automount key.
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"""
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api.register(automountkey_del)
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class automountkey_mod(LDAPUpdate):
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"""
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Modify automount key.
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"""
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api.register(automountkey_mod)
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class automountkey_find(LDAPSearch):
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"""
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Modify automount key.
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"""
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api.register(automountkey_find)
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class automountkey_show(LDAPRetrieve):
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"""
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Display automount key.
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"""
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api.register(automountkey_show)
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class automountmap_add_indirect(LDAPCreate):
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"""
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Create new indirect mount point.
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"""
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takes_options = (
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Str('key',
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cli_name='key',
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doc='key name (mount point)',
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),
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Str('parentmap?',
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cli_name='parentmap',
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doc='name of parent automount map to connect this map to',
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default=u'auto.master',
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autofill=True,
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),
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)
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def execute(self, map, **options):
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self.api.Command['automountmap_add'](map, **options)
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options['automountinformation'] = map
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return self.api.Command['automountkey_add'](
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options['parentmap'], options['key'], **options
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)
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api.register(automountmap_add_indirect)
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class automount_tofiles(Command):
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"""
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Generate the automount maps as they would be in the filesystem.
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"""
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def execute(self):
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ldap = self.api.Backend.ldap2
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maps = []
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(maps, truncated) = self.api.Command['automountkey-find'](
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automountmapname=u'auto.master'
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)
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# TODO: handle truncated results
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# it will probably require direct calls to the ldap backend
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keys = {}
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for (dn, m) in maps:
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info = m['automountinformation'][0]
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(keys[info], truncated) = self.api.Command['automountkey_find'](
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automountmapname=info
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)
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# TODO: handle truncated results
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return (maps, keys)
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def output_for_cli(self, textui, result, **options):
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(maps, keys) = result
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textui.print_plain('/etc/auto.master:')
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for (dn, m) in maps:
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textui.print_plain(
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'%s\t/etc/%s' % (
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m['automountkey'][0], m['automountinformation'][0]
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)
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)
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for (dn, m) in maps:
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info = m['automountinformation'][0]
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textui.print_plain('---------------------------')
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textui.print_plain('/etc/%s:' % info)
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for (dn, k) in keys[info]:
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textui.print_plain(
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'%s\t%s' % (
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k['automountkey'][0], k['automountinformation'][0]
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)
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)
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api.register(automount_tofiles)
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