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https://salsa.debian.org/freeipa-team/freeipa.git
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332 lines
11 KiB
Python
332 lines
11 KiB
Python
# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
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#
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# Copyright (C) 2007 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 logging, sys
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import os, socket
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import tempfile
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from ipapython import sysrestore
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from ipapython import ipautil
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from ipapython import services as ipaservices
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from ipalib import errors
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import ldap
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from ipaserver import ipaldap
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import base64
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import time
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import datetime
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from ipaserver.install import installutils
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CACERT = "/etc/ipa/ca.crt"
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SERVICE_LIST = {
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'KDC':('krb5kdc', 10),
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'KPASSWD':('kadmin', 20),
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'DNS':('named', 30),
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'HTTP':('httpd', 40),
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'CA':('pki-cad', 50),
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'ADTRUST':('smb', 60)
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}
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def print_msg(message, output_fd=sys.stdout):
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logging.debug(message)
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output_fd.write(message)
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output_fd.write("\n")
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class Service(object):
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def __init__(self, service_name, sstore=None, dm_password=None):
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self.service_name = service_name
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self.service = ipaservices.service(service_name)
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self.steps = []
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self.output_fd = sys.stdout
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self.dm_password = dm_password
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self.fqdn = socket.gethostname()
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self.admin_conn = None
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if sstore:
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self.sstore = sstore
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else:
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self.sstore = sysrestore.StateFile('/var/lib/ipa/sysrestore')
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self.realm = None
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self.suffix = None
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self.principal = None
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self.dercert = None
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def ldap_connect(self):
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self.admin_conn = self.__get_conn(self.fqdn, self.dm_password)
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def ldap_disconnect(self):
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self.admin_conn.unbind()
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self.admin_conn = None
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def _ldap_mod(self, ldif, sub_dict = None):
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pw_name = None
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fd = None
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path = ipautil.SHARE_DIR + ldif
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hostname = installutils.get_fqdn()
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nologlist=[]
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if sub_dict is not None:
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txt = ipautil.template_file(path, sub_dict)
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fd = ipautil.write_tmp_file(txt)
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path = fd.name
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# do not log passwords
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if sub_dict.has_key('PASSWORD'):
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nologlist.append(sub_dict['PASSWORD'])
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if sub_dict.has_key('RANDOM_PASSWORD'):
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nologlist.append(sub_dict['RANDOM_PASSWORD'])
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if self.dm_password:
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[pw_fd, pw_name] = tempfile.mkstemp()
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os.write(pw_fd, self.dm_password)
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os.close(pw_fd)
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auth_parms = ["-x", "-D", "cn=Directory Manager", "-y", pw_name]
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else:
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auth_parms = ["-Y", "GSSAPI"]
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args = ["/usr/bin/ldapmodify", "-h", hostname, "-v", "-f", path]
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args += auth_parms
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try:
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try:
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ipautil.run(args, nolog=nologlist)
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except ipautil.CalledProcessError, e:
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logging.critical("Failed to load %s: %s" % (ldif, str(e)))
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finally:
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if pw_name:
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os.remove(pw_name)
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if fd is not None:
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fd.close()
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def move_service(self, principal):
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"""
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Used to move a principal entry created by kadmin.local from
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cn=kerberos to cn=services
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"""
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dn = "krbprincipalname=%s,cn=%s,cn=kerberos,%s" % (principal, self.realm, self.suffix)
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try:
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entry = self.admin_conn.getEntry(dn, ldap.SCOPE_BASE)
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except errors.NotFound:
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# There is no service in the wrong location, nothing to do.
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# This can happen when installing a replica
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return
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newdn = "krbprincipalname=%s,cn=services,cn=accounts,%s" % (principal, self.suffix)
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hostdn = "fqdn=%s,cn=computers,cn=accounts,%s" % (self.fqdn, self.suffix)
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self.admin_conn.deleteEntry(dn)
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entry.dn = newdn
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classes = entry.getValues("objectclass")
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classes = classes + ["ipaobject", "ipaservice", "pkiuser"]
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entry.setValues("objectclass", list(set(classes)))
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entry.setValue("ipauniqueid", 'autogenerate')
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entry.setValue("managedby", hostdn)
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self.admin_conn.addEntry(entry)
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return newdn
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def add_simple_service(self, principal):
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"""
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Add a very basic IPA service.
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The principal needs to be fully-formed: service/host@REALM
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"""
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if not self.admin_conn:
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self.ldap_connect()
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dn = "krbprincipalname=%s,cn=services,cn=accounts,%s" % (principal, self.suffix)
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hostdn = "fqdn=%s,cn=computers,cn=accounts,%s" % (self.fqdn, self.suffix)
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entry = ipaldap.Entry(dn)
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entry.setValues("objectclass", ["krbprincipal", "krbprincipalaux", "krbticketpolicyaux", "ipaobject", "ipaservice", "pkiuser"])
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entry.setValue("krbprincipalname", principal)
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entry.setValue("ipauniqueid", 'autogenerate')
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entry.setValue("managedby", hostdn)
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self.admin_conn.addEntry(entry)
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return dn
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def add_cert_to_service(self):
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"""
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Add a certificate to a service
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This server cert should be in DER format.
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"""
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if not self.admin_conn:
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self.ldap_connect()
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dn = "krbprincipalname=%s,cn=services,cn=accounts,%s" % (self.principal, self.suffix)
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mod = [(ldap.MOD_ADD, 'userCertificate', self.dercert)]
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try:
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self.admin_conn.modify_s(dn, mod)
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except Exception, e:
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logging.critical("Could not add certificate to service %s entry: %s" % (self.principal, str(e)))
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def is_configured(self):
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return self.sstore.has_state(self.service_name)
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def set_output(self, fd):
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self.output_fd = fd
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def stop(self, instance_name="", capture_output=True):
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self.service.stop(instance_name, capture_output=capture_output)
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def start(self, instance_name="", capture_output=True):
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self.service.start(instance_name, capture_output=capture_output)
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def restart(self, instance_name="", capture_output=True):
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self.service.restart(instance_name, capture_output=capture_output)
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def is_running(self):
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return self.service.is_running()
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def install(self):
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self.service.install()
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def remove(self):
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self.service.remove()
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def enable(self):
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self.service.enable()
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def disable(self):
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self.service.disable()
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def is_enabled(self):
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return self.service.is_enabled()
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def backup_state(self, key, value):
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self.sstore.backup_state(self.service_name, key, value)
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def restore_state(self, key):
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return self.sstore.restore_state(self.service_name, key)
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def print_msg(self, message):
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print_msg(message, self.output_fd)
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def step(self, message, method):
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self.steps.append((message, method))
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def start_creation(self, message, runtime=-1):
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if runtime > 0:
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plural=''
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est = time.localtime(runtime)
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if est.tm_min > 0:
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if est.tm_min > 1:
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plural = 's'
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if est.tm_sec > 0:
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self.print_msg('%s: Estimated time %d minute%s %d seconds' % (message, est.tm_min, plural, est.tm_sec))
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else:
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self.print_msg('%s: Estimated time %d minute%s' % (message, est.tm_min, plural))
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else:
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if est.tm_sec > 1:
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plural = 's'
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self.print_msg('%s: Estimated time %d second%s' % (message, est.tm_sec, plural))
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else:
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self.print_msg(message)
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step = 0
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for (message, method) in self.steps:
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self.print_msg(" [%d/%d]: %s" % (step+1, len(self.steps), message))
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s = datetime.datetime.now()
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method()
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e = datetime.datetime.now()
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d = e - s
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logging.debug(" duration: %d seconds" % d.seconds)
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step += 1
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self.print_msg("done configuring %s." % self.service_name)
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self.steps = []
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def __get_conn(self, fqdn, dm_password):
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# If we are passed a password we'll use it as the DM password
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# otherwise we'll do a GSSAPI bind.
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try:
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# conn = ipaldap.IPAdmin(fqdn, port=636, cacert=CACERT)
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conn = ipaldap.IPAdmin(fqdn, port=389)
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if dm_password:
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conn.do_simple_bind(bindpw=dm_password)
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else:
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conn.do_sasl_gssapi_bind()
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except Exception, e:
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logging.debug("Could not connect to the Directory Server on %s: %s" % (fqdn, str(e)))
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raise e
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return conn
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def ldap_enable(self, name, fqdn, dm_password, ldap_suffix):
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self.disable()
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conn = self.__get_conn(fqdn, dm_password)
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entry_name = "cn=%s,cn=%s,%s,%s" % (name, fqdn,
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"cn=masters,cn=ipa,cn=etc",
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ldap_suffix)
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order = SERVICE_LIST[name][1]
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entry = ipaldap.Entry(entry_name)
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entry.setValues("objectclass",
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"nsContainer", "ipaConfigObject")
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entry.setValues("cn", name)
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entry.setValues("ipaconfigstring",
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"enabledService", "startOrder " + str(order))
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try:
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conn.add_s(entry)
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except ldap.ALREADY_EXISTS, e:
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logging.critical("failed to add %s Service startup entry" % name)
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raise e
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class SimpleServiceInstance(Service):
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def create_instance(self, gensvc_name=None, fqdn=None, dm_password=None, ldap_suffix=None):
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self.gensvc_name = gensvc_name
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self.fqdn = fqdn
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self.dm_password = dm_password
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self.suffix = ldap_suffix
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self.step("starting %s " % self.service_name, self.__start)
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self.step("configuring %s to start on boot" % self.service_name, self.__enable)
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self.start_creation("Configuring %s" % self.service_name)
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def __start(self):
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self.backup_state("running", self.is_running())
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self.restart()
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def __enable(self):
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self.enable()
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self.backup_state("enabled", self.is_enabled())
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if self.gensvc_name == None:
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self.enable()
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else:
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self.ldap_enable(self.gensvc_name, self.fqdn,
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self.dm_password, self.suffix)
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def uninstall(self):
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if self.is_configured():
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self.print_msg("Unconfiguring %s" % self.service_name)
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running = self.restore_state("running")
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enabled = not self.restore_state("enabled")
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if not running is None and not running:
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self.stop()
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if not enabled is None and not enabled:
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self.disable()
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self.remove()
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