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12677ff65e
None of these functions can return False now. Instead we must catch the LdbError if we want to perform further error handling. Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
127 lines
4.0 KiB
Python
127 lines
4.0 KiB
Python
# python site manipulation code
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# Copyright Matthieu Patou <mat@matws.net> 2011
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#
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# This program 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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# 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, see <http://www.gnu.org/licenses/>.
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#
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"""Manipulating sites."""
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import ldb
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from ldb import FLAG_MOD_ADD, LdbError
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class SiteException(Exception):
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"""Base element for Sites errors"""
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def __init__(self, value):
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self.value = value
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def __str__(self):
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return "%s: %s" % (self.__class__.__name__, self.value)
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class SiteNotFoundException(SiteException):
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"""Raised when the site is not found and it's expected to exists."""
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class SiteAlreadyExistsException(SiteException):
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"""Raised when the site is not found and it's expected not to exists."""
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class SiteServerNotEmptyException(SiteException):
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"""Raised when the site still has servers attached."""
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def create_site(samdb, configDn, siteName):
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"""
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Create a site
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:param samdb: A samdb connection
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:param configDn: The DN of the configuration partition
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:param siteName: Name of the site to create
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:return: True upon success
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:raise SiteAlreadyExists: if the site to be created already exists.
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"""
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ret = samdb.search(base=configDn, scope=ldb.SCOPE_SUBTREE,
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expression='(&(objectclass=Site)(cn=%s))' % siteName)
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if len(ret) != 0:
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raise SiteAlreadyExistsException('A site with the name %s already exists' % siteName)
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m = ldb.Message()
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m.dn = ldb.Dn(samdb, "Cn=%s,CN=Sites,%s" % (siteName, str(configDn)))
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m["objectclass"] = ldb.MessageElement("site", FLAG_MOD_ADD, "objectclass")
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samdb.add(m)
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m2 = ldb.Message()
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m2.dn = ldb.Dn(samdb, "Cn=NTDS Site Settings,%s" % str(m.dn))
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m2["objectclass"] = ldb.MessageElement("nTDSSiteSettings", FLAG_MOD_ADD, "objectclass")
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samdb.add(m2)
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m3 = ldb.Message()
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m3.dn = ldb.Dn(samdb, "Cn=Servers,%s" % str(m.dn))
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m3["objectclass"] = ldb.MessageElement("serversContainer", FLAG_MOD_ADD, "objectclass")
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samdb.add(m3)
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return True
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def delete_site(samdb, configDn, siteName):
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"""
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Delete a site
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:param samdb: A samdb connection
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:param configDn: The DN of the configuration partition
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:param siteName: Name of the site to delete
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:return: True upon success
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:raise SiteNotFoundException: if the site to be deleted do not exists.
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:raise SiteServerNotEmpty: if the site has still servers in it.
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"""
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dnsite = ldb.Dn(samdb, "CN=Sites")
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try:
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dnsite.add_base(configDn)
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except ldb.LdbError:
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raise SiteException("dnsite.add_base() failed")
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try:
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dnsite.add_child("CN=X")
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except ldb.LdbError:
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raise SiteException("dnsite.add_child() failed")
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dnsite.set_component(0, "CN", siteName)
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dnservers = ldb.Dn(samdb, "CN=Servers")
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dnservers.add_base(dnsite)
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try:
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ret = samdb.search(base=dnsite, scope=ldb.SCOPE_BASE,
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expression="objectClass=site")
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if len(ret) != 1:
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raise SiteNotFoundException('Site %s does not exist' % siteName)
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except LdbError as e:
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(enum, estr) = e.args
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if enum == ldb.ERR_NO_SUCH_OBJECT:
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raise SiteNotFoundException('Site %s does not exist' % siteName)
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ret = samdb.search(base=dnservers, scope=ldb.SCOPE_ONELEVEL,
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expression='(objectclass=server)')
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if len(ret) != 0:
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raise SiteServerNotEmptyException('Site %s still has servers in it, move them before removal' % siteName)
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samdb.delete(dnsite, ["tree_delete:0"])
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return True
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