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https://salsa.debian.org/freeipa-team/freeipa.git
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83ef2e251f
With the new unified Dogtag10 LDAP database, PKI-CA data and the agreements themselves are now in the main LDAP instance. Replication management tools now need to properly filter replication agreements based on the suffix to avoid clashing of agreements of different types.
479 lines
17 KiB
Python
Executable File
479 lines
17 KiB
Python
Executable File
#! /usr/bin/python -E
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# Authors: Rob Crittenden <rcritten@redhat.com>
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#
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# Based on ipa-replica-manage by Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2011 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 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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import sys
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import os
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import ldap, krbV
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from ipapython.ipa_log_manager import *
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from ipapython import ipautil
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from ipaserver.install import replication, installutils
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from ipaserver import ipaldap
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from ipapython import version
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from ipapython import dogtag
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from ipalib import api, errors, util
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from ipapython.dn import DN
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CACERT = "/etc/ipa/ca.crt"
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PORT = dogtag.install_constants.DS_PORT
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# dict of command name and tuples of min/max num of args needed
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commands = {
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"list":(0, 1, "[master fqdn]", ""),
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"connect":(1, 2, "<master fqdn> [other master fqdn]",
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"must provide the name of the servers to connect"),
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"disconnect":(1, 2, "<master fqdn> [other master fqdn]",
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"must provide the name of the server to disconnect"),
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"del":(1, 1, "<master fqdn>",
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"must provide hostname of master to delete"),
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"re-initialize":(0, 0, "", ""),
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"force-sync":(0, 0, "", "")
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}
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def convert_error(exc):
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"""
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LDAP exceptions are a dictionary, make them prettier.
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"""
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if isinstance(exc, ldap.LDAPError):
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desc = exc.args[0]['desc'].strip()
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info = exc.args[0].get('info', '').strip()
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return '%s %s' % (desc, info)
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else:
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return str(exc)
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class CSReplicationManager(replication.ReplicationManager):
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def __init__(self, realm, hostname, dirman_passwd, port=PORT, starttls=True):
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super(CSReplicationManager, self).__init__(realm, hostname, dirman_passwd, port, starttls)
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self.suffix = DN(('o', 'ipaca'))
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self.hostnames = [] # set before calling or agreement_dn() will fail
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def agreement_dn(self, hostname, master=None):
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"""
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Construct a dogtag replication agreement name. This needs to be much
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more agressive than the IPA replication agreements because the name
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is different on each side.
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hostname is the local hostname, not the remote one, for both sides
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NOTE: The agreement number is hardcoded in dogtag as well
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TODO: configurable instance name
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"""
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dn = None
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cn = None
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instance_name = dogtag.configured_constants(api).PKI_INSTANCE_NAME
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# if master is not None we know what dn to return:
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if master is not None:
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if master is True:
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name = "master"
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else:
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name = "clone"
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cn="%sAgreement1-%s-%s" % (name, hostname, instance_name)
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dn = DN(('cn', cn), self.replica_dn())
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return (cn, dn)
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for host in self.hostnames:
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for master in ["master", "clone"]:
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try:
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cn="%sAgreement1-%s-%s" % (master, host, instance_name)
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dn = DN(('cn', cn), self.replica_dn())
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self.conn.getEntry(dn, ldap.SCOPE_BASE)
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return (cn, dn)
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except errors.NotFound:
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dn = None
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cn = None
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raise errors.NotFound(reason='No agreement found for %s' % hostname)
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def delete_referral(self, hostname):
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dn = DN(('cn', self.suffix), ('cn', 'mapping tree'), ('cn', 'config'))
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# TODO: should we detect proto/port somehow ?
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mod = [(ldap.MOD_DELETE, 'nsslapd-referral',
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'ldap://%s/%s' % (ipautil.format_netloc(hostname, PORT), self.suffix))]
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try:
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self.conn.modify_s(dn, mod)
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except Exception, e:
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root_logger.debug("Failed to remove referral value: %s" % convert_error(e))
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def parse_options():
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from optparse import OptionParser
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parser = OptionParser(version=version.VERSION)
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parser.add_option("-H", "--host", dest="host", help="starting host")
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parser.add_option("-p", "--password", dest="dirman_passwd", help="Directory Manager password")
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parser.add_option("-v", "--verbose", dest="verbose", action="store_true", default=False,
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help="provide additional information")
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parser.add_option("-f", "--force", dest="force", action="store_true", default=False,
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help="ignore some types of errors")
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parser.add_option("--from", dest="fromhost", help="Host to get data from")
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options, args = parser.parse_args()
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valid_syntax = False
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if len(args):
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n = len(args) - 1
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k = commands.keys()
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for cmd in k:
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if cmd == args[0]:
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v = commands[cmd]
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err = None
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if n < v[0]:
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err = v[3]
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elif n > v[1]:
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err = "too many arguments"
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else:
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valid_syntax = True
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if err:
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parser.error("Invalid syntax: %s\nUsage: %s [options] %s" % (err, cmd, v[2]))
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if not valid_syntax:
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cmdstr = " | ".join(commands.keys())
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parser.error("must provide a command [%s]" % cmdstr)
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return options, args
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def list_replicas(realm, host, replica, dirman_passwd, verbose):
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peers = {}
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try:
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# connect to main IPA LDAP server
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conn = ipaldap.IPAdmin(host, 636, cacert=CACERT)
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conn.do_simple_bind(bindpw=dirman_passwd)
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dn = DN(('cn', 'masters'), ('cn', 'ipa'), ('cn', 'etc'), ipautil.realm_to_suffix(realm))
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entries = conn.getList(dn, ldap.SCOPE_ONELEVEL)
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for ent in entries:
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try:
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cadn = DN(('cn', 'CA'), DN(ent.dn))
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entry = conn.getEntry(cadn, ldap.SCOPE_BASE)
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peers[ent.getValue('cn')] = ['master', '']
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except errors.NotFound:
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peers[ent.getValue('cn')] = ['CA not configured', '']
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except Exception, e:
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sys.exit("Failed to get data from '%s' while trying to list replicas: %s" % (host, convert_error(e)))
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finally:
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conn.unbind_s()
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if not replica:
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for k, p in peers.iteritems():
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print '%s: %s' % (k, p[0])
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return
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repl = CSReplicationManager(realm, replica, dirman_passwd, PORT, True)
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entries = repl.find_replication_agreements()
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for entry in entries:
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print '%s' % entry.getValue('nsds5replicahost')
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if verbose:
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print " last init status: %s" % entry.getValue('nsds5replicalastinitstatus')
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print " last init ended: %s" % str(ipautil.parse_generalized_time(entry.getValue('nsds5replicalastinitend')))
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print " last update status: %s" % entry.getValue('nsds5replicalastupdatestatus')
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print " last update ended: %s" % str(ipautil.parse_generalized_time(entry.getValue('nsds5replicalastupdateend')))
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def del_link(realm, replica1, replica2, dirman_passwd, force=False):
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repl2 = None
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try:
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repl1 = CSReplicationManager(realm, replica1, dirman_passwd, PORT, True)
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repl1.hostnames = [replica1, replica2]
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repl_list1 = repl1.find_replication_agreements()
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# Find the DN of the replication agreement to remove
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replica1_dn = None
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for e in repl_list1:
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if e.getValue('nsDS5ReplicaHost') == replica2:
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replica1_dn = e.dn
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break
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if replica1_dn is None:
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sys.exit("'%s' has no replication agreement for '%s'" % (replica1, replica2))
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repl1.hostnames = [replica1, replica2]
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except ldap.SERVER_DOWN, e:
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sys.exit("Unable to connect to %s: %s" % (ipautil.format_netloc(replica1, PORT), convert_error(e)))
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except Exception, e:
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sys.exit("Failed to get data from '%s': %s" % (replica1, convert_error(e)))
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try:
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repl2 = CSReplicationManager(realm, replica2, dirman_passwd, PORT, True)
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repl2.hostnames = [replica1, replica2]
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repl_list = repl2.find_replication_agreements()
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# Now that we've confirmed that both hostnames are vaild, make sure
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# that we aren't removing the last link from either side.
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if not force and len(repl_list) <= 1:
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print "Cannot remove the last replication link of '%s'" % replica2
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print "Please use the 'del' command to remove it from the domain"
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sys.exit(1)
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if not force and len(repl_list1) <= 1:
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print "Cannot remove the last replication link of '%s'" % replica1
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print "Please use the 'del' command to remove it from the domain"
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sys.exit(1)
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# Find the DN of the replication agreement to remove
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replica2_dn = None
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for e in repl_list:
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if e.getValue('nsDS5ReplicaHost') == replica1:
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replica2_dn = e.dn
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break
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# This should never happen
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if replica2_dn is None:
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sys.exit("'%s' has no replication agreement for '%s'" % (replica1, replica2))
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except ldap.NO_SUCH_OBJECT:
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print "'%s' has no replication agreement for '%s'" % (replica2, replica1)
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if not force:
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sys.exit(1)
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except errors.NotFound:
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print "'%s' has no replication agreement for '%s'" % (replica2, replica1)
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if not force:
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return
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except Exception, e:
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print "Failed to get data from '%s': %s" % (replica2, convert_error(e))
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if not force:
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sys.exit(1)
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if repl2:
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failed = False
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try:
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repl2.delete_agreement(replica1, replica2_dn)
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repl2.delete_referral(replica1)
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except Exception, e:
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print "Unable to remove agreement on %s: %s" % (replica2, convert_error(e))
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failed = True
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if failed:
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if force:
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print "Forcing removal on '%s'" % replica1
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else:
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sys.exit(1)
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if not repl2 and force:
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print "Forcing removal on '%s'" % replica1
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repl1.delete_agreement(replica2, replica1_dn)
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repl1.delete_referral(replica2)
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print "Deleted replication agreement from '%s' to '%s'" % (replica1, replica2)
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def del_master(realm, hostname, options):
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force_del = False
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delrepl = None
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# 1. Connect to the local dogtag DS server
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try:
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thisrepl = CSReplicationManager(realm, options.host,
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options.dirman_passwd)
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except Exception, e:
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sys.exit("Failed to connect to server %s: %s" % (options.host, convert_error(e)))
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# 2. Ensure we have an agreement with the master
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if thisrepl.get_replication_agreement(hostname) is None:
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sys.exit("'%s' has no replication agreement for '%s'" % (options.host, hostname))
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# 3. Connect to the dogtag DS to be removed.
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try:
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delrepl = CSReplicationManager(realm, hostname, options.dirman_passwd)
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except Exception, e:
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if not options.force:
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print "Unable to delete replica %s: %s" % (hostname, convert_error(e))
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sys.exit(1)
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else:
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print "Unable to connect to replica %s, forcing removal" % hostname
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force_del = True
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# 4. Get list of agreements.
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if delrepl is None:
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# server not up, just remove it from this server
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replica_names = [options.host]
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else:
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replica_names = delrepl.find_ipa_replication_agreements()
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# 5. Remove each agreement
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for r in replica_names:
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try:
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del_link(realm, r, hostname, options.dirman_passwd, force=True)
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except Exception, e:
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sys.exit("There were issues removing a connection: %s" % convert_error(e))
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def add_link(realm, replica1, replica2, dirman_passwd, options):
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try:
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conn = ipaldap.IPAdmin(replica2, 636, cacert=CACERT)
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conn.do_simple_bind(bindpw=dirman_passwd)
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dn = DN(('cn', 'CA'), ('cn', replica2), ('cn', 'masters'), ('cn', 'ipa'), ('cn', 'etc'),
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ipautil.realm_to_suffix(realm))
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conn.search_s(dn, ldap.SCOPE_ONELEVEL)
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conn.unbind_s()
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except ldap.NO_SUCH_OBJECT:
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sys.exit('%s does not have a CA configured.' % replica2)
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except ldap.SERVER_DOWN, e:
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sys.exit("Unable to connect to %s: %s" % (ipautil.format_netloc(replica2, 636), convert_error(e)))
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except Exception, e:
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sys.exit("Failed to get data while trying to bind to '%s': %s" % (replica1, convert_error(e)))
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try:
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repl1 = CSReplicationManager(realm, replica1, dirman_passwd, PORT, True)
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entries = repl1.find_replication_agreements()
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for e in entries:
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if e.getValue('nsDS5ReplicaHost') == replica2:
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sys.exit('This replication agreement already exists.')
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repl1.hostnames = [replica1, replica2]
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except ldap.NO_SUCH_OBJECT:
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sys.exit("Cannot find replica '%s'" % replica1)
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except ldap.SERVER_DOWN, e:
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sys.exit("Unable to connect to %s %s" % (ipautil.format_netloc(replica1, PORT), convert_error(e)))
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except Exception, e:
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sys.exit("Failed to get data from '%s' while trying to get current agreements: %s" % (replica1, convert_error(e)))
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repl1.setup_replication(replica2, PORT, 0, DN(('cn', 'Directory Manager')), dirman_passwd, True, True)
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print "Connected '%s' to '%s'" % (replica1, replica2)
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def re_initialize(realm, options):
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if not options.fromhost:
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sys.exit("re-initialize requires the option --from <host name>")
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repl = CSReplicationManager(realm, options.fromhost, options.dirman_passwd,
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PORT, True)
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thishost = installutils.get_fqdn()
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filter = repl.get_agreement_filter(host=thishost)
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entry = repl.conn.search_s(DN(('cn', 'config')), ldap.SCOPE_SUBTREE, filter)
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if len(entry) == 0:
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root_logger.error("Unable to find %s -> %s replication agreement" % (options.fromhost, thishost))
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sys.exit(1)
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if len(entry) > 1:
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root_logger.error("Found multiple agreements for %s. Only initializing the first one returned: %s" % (thishost, entry[0].dn))
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repl.initialize_replication(entry[0].dn, repl.conn)
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repl.wait_for_repl_init(repl.conn, entry[0].dn)
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def force_sync(realm, thishost, fromhost, dirman_passwd):
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repl = CSReplicationManager(realm, fromhost, dirman_passwd, PORT, True)
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try:
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repl.force_sync(repl.conn, thishost)
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except Exception, e:
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sys.exit(convert_error(e))
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def main():
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options, args = parse_options()
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# Just initialize the environment. This is so the installer can have
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# access to the plugin environment
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api_env = {'in_server' : True,
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'verbose' : options.verbose,
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}
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if os.getegid() != 0:
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api_env['log'] = None # turn off logging for non-root
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api.bootstrap(**api_env)
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api.finalize()
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dirman_passwd = None
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realm = krbV.default_context().default_realm
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if options.host:
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host = options.host
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else:
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host = installutils.get_fqdn()
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options.host = host
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if options.dirman_passwd:
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dirman_passwd = options.dirman_passwd
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else:
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dirman_passwd = installutils.read_password("Directory Manager", confirm=False,
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validate=False, retry=False)
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if dirman_passwd is None:
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sys.exit("\nDirectory Manager password required")
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options.dirman_passwd = dirman_passwd
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if args[0] == "list":
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replica = None
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if len(args) == 2:
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replica = args[1]
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list_replicas(realm, host, replica, dirman_passwd, options.verbose)
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elif args[0] == "del":
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del_master(realm, args[1], options)
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elif args[0] == "re-initialize":
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re_initialize(realm, options)
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elif args[0] == "force-sync":
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if not options.fromhost:
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sys.exit("force-sync requires the option --from <host name>")
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force_sync(realm, host, options.fromhost, options.dirman_passwd)
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elif args[0] == "connect":
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if len(args) == 3:
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replica1 = args[1]
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replica2 = args[2]
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elif len(args) == 2:
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replica1 = host
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replica2 = args[1]
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add_link(realm, replica1, replica2, dirman_passwd, options)
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elif args[0] == "disconnect":
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if len(args) == 3:
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replica1 = args[1]
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replica2 = args[2]
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elif len(args) == 2:
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replica1 = host
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replica2 = args[1]
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del_link(realm, replica1, replica2, dirman_passwd, options.force)
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try:
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main()
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except KeyboardInterrupt:
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|
sys.exit(1)
|
|
except SystemExit, e:
|
|
sys.exit(e)
|
|
except ldap.INVALID_CREDENTIALS:
|
|
sys.exit("Invalid password")
|
|
except ldap.INSUFFICIENT_ACCESS:
|
|
sys.exit("Insufficient access")
|
|
except ldap.LOCAL_ERROR, e:
|
|
sys.exit(convert_error(e))
|
|
except ldap.SERVER_DOWN, e:
|
|
sys.exit("%s" % convert_error(e))
|
|
except Exception, e:
|
|
sys.exit("unexpected error: %s" % convert_error(e))
|