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907e164958
In Fedora 29, the fedora-domainname.service has been renamed to nis-domainname.service like on RHEL. The ipaplatform service module for Fedora now only renames the service, when it detects the presence of fedora-domainname.service. Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1588192 Fixes: https://pagure.io/freeipa/issue/7582 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Rob Crittenden <rcritten@redhat.com>
253 lines
10 KiB
Python
253 lines
10 KiB
Python
# Author: Alexander Bokovoy <abokovoy@redhat.com>
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# Tomas Babej <tbabej@redhat.com>
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#
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# Copyright (C) 2011-2014 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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"""
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Contains Red Hat OS family-specific service class implementations.
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"""
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from __future__ import absolute_import
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import logging
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import os
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import time
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import contextlib
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from ipaplatform.base import services as base_services
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from ipapython import ipautil, dogtag
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from ipaplatform.paths import paths
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logger = logging.getLogger(__name__)
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# Mappings from service names as FreeIPA code references to these services
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# to their actual systemd service names
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# For beginning just remap names to add .service
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# As more services will migrate to systemd, unit names will deviate and
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# mapping will be kept in this dictionary
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redhat_system_units = dict((x, "%s.service" % x)
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for x in base_services.wellknownservices)
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redhat_system_units['rpcgssd'] = 'nfs-secure.service'
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redhat_system_units['rpcidmapd'] = 'nfs-idmap.service'
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redhat_system_units['domainname'] = 'nis-domainname.service'
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# Rewrite dirsrv and pki-tomcatd services as they support instances via separate
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# service generator. To make this working, one needs to have both foo@.servic
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# and foo.target -- the latter is used when request should be coming for
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# all instances (like stop). systemd, unfortunately, does not allow one
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# to request action for all service instances at once if only foo@.service
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# unit is available. To add more, if any of those services need to be
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# started/stopped automagically, one needs to manually create symlinks in
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# /etc/systemd/system/foo.target.wants/ (look into systemd.py's enable()
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# code).
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redhat_system_units['dirsrv'] = 'dirsrv@.service'
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# Our PKI instance is pki-tomcatd@pki-tomcat.service
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redhat_system_units['pki-tomcatd'] = 'pki-tomcatd@pki-tomcat.service'
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redhat_system_units['pki_tomcatd'] = redhat_system_units['pki-tomcatd']
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redhat_system_units['ipa-otpd'] = 'ipa-otpd.socket'
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redhat_system_units['ipa-dnskeysyncd'] = 'ipa-dnskeysyncd.service'
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redhat_system_units['named-regular'] = 'named.service'
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redhat_system_units['named-pkcs11'] = 'named-pkcs11.service'
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redhat_system_units['named'] = redhat_system_units['named-pkcs11']
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redhat_system_units['ods-enforcerd'] = 'ods-enforcerd.service'
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redhat_system_units['ods_enforcerd'] = redhat_system_units['ods-enforcerd']
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redhat_system_units['ods-signerd'] = 'ods-signerd.service'
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redhat_system_units['ods_signerd'] = redhat_system_units['ods-signerd']
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redhat_system_units['gssproxy'] = 'gssproxy.service'
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# Service classes that implement Red Hat OS family-specific behaviour
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class RedHatService(base_services.SystemdService):
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system_units = redhat_system_units
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def __init__(self, service_name, api=None):
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systemd_name = service_name
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if service_name in self.system_units:
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systemd_name = self.system_units[service_name]
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else:
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if '.' not in service_name:
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# if service_name does not have a dot, it is not foo.service
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# and not a foo.target. Thus, not correct service name for
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# systemd, default to foo.service style then
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systemd_name = "%s.service" % (service_name)
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super(RedHatService, self).__init__(service_name, systemd_name, api)
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class RedHatDirectoryService(RedHatService):
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def is_installed(self, instance_name):
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file_path = "{}/{}-{}".format(paths.ETC_DIRSRV, "slapd", instance_name)
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return os.path.exists(file_path)
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def restart(self, instance_name="", capture_output=True, wait=True,
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ldapi=False):
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# We need to explicitly enable instances to install proper symlinks as
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# dirsrv.target.wants/ dependencies. Standard systemd service class does it
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# on enable() method call. Unfortunately, ipa-server-install does not do
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# explicit dirsrv.enable() because the service startup is handled by ipactl.
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#
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# If we wouldn't do this, our instances will not be started as systemd would
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# not have any clue about instances (PKI-IPA and the domain we serve)
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# at all. Thus, hook into dirsrv.restart().
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if instance_name:
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elements = self.systemd_name.split("@")
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srv_etc = os.path.join(paths.ETC_SYSTEMD_SYSTEM_DIR,
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self.systemd_name)
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srv_tgt = os.path.join(paths.ETC_SYSTEMD_SYSTEM_DIR,
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self.SYSTEMD_SRV_TARGET % (elements[0]))
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srv_lnk = os.path.join(srv_tgt,
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self.service_instance(instance_name))
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if not os.path.exists(srv_etc):
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self.enable(instance_name)
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elif not os.path.samefile(srv_etc, srv_lnk):
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os.unlink(srv_lnk)
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os.symlink(srv_etc, srv_lnk)
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with self.__wait(instance_name, wait, ldapi) as wait:
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super(RedHatDirectoryService, self).restart(
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instance_name, capture_output=capture_output, wait=wait)
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def start(self, instance_name="", capture_output=True, wait=True,
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ldapi=False):
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with self.__wait(instance_name, wait, ldapi) as wait:
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super(RedHatDirectoryService, self).start(
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instance_name, capture_output=capture_output, wait=wait)
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@contextlib.contextmanager
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def __wait(self, instance_name, wait, ldapi):
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if ldapi:
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instance_name = self.service_instance(instance_name)
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if instance_name.endswith('.service'):
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instance_name = instance_name[:-8]
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if instance_name.startswith('dirsrv'):
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# this is intentional, return the empty string if the instance
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# name is 'dirsrv'
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instance_name = instance_name[7:]
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if not instance_name:
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ldapi = False
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if ldapi:
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yield False
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socket_name = paths.SLAPD_INSTANCE_SOCKET_TEMPLATE % instance_name
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ipautil.wait_for_open_socket(socket_name,
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self.api.env.startup_timeout)
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else:
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yield wait
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class RedHatIPAService(RedHatService):
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# Enforce restart of IPA services when we do enable it
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# This gets around the fact that after ipa-server-install systemd thinks
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# ipa.service is not yet started but all services were actually started
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# already.
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def enable(self, instance_name=""):
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super(RedHatIPAService, self).enable(instance_name)
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self.restart(instance_name)
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class RedHatCAService(RedHatService):
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def wait_until_running(self):
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logger.debug('Waiting until the CA is running')
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timeout = float(self.api.env.startup_timeout)
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op_timeout = time.time() + timeout
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while time.time() < op_timeout:
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try:
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# check status of CA instance on this host, not remote ca_host
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status = dogtag.ca_status(self.api.env.host)
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except Exception as e:
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status = 'check interrupted due to error: %s' % e
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logger.debug('The CA status is: %s', status)
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if status == 'running':
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break
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logger.debug('Waiting for CA to start...')
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time.sleep(1)
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else:
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raise RuntimeError('CA did not start in %ss' % timeout)
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def start(self, instance_name="", capture_output=True, wait=True):
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super(RedHatCAService, self).start(
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instance_name, capture_output=capture_output, wait=wait)
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if wait:
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self.wait_until_running()
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def restart(self, instance_name="", capture_output=True, wait=True):
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super(RedHatCAService, self).restart(
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instance_name, capture_output=capture_output, wait=wait)
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if wait:
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self.wait_until_running()
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def is_running(self, instance_name="", wait=True):
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if instance_name:
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return super(RedHatCAService, self).is_running(instance_name)
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try:
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status = dogtag.ca_status()
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if status == 'running':
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return True
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elif status == 'starting' and wait:
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# Exception is raised if status is 'starting' even after wait
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self.wait_until_running()
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return True
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except Exception as e:
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logger.debug(
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'Failed to check CA status: %s', e
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)
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return False
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# Function that constructs proper Red Hat OS family-specific server classes for
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# services of specified name
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def redhat_service_class_factory(name, api=None):
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if name == 'dirsrv':
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return RedHatDirectoryService(name, api)
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if name == 'ipa':
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return RedHatIPAService(name, api)
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if name in ('pki-tomcatd', 'pki_tomcatd'):
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return RedHatCAService(name, api)
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return RedHatService(name, api)
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# Magicdict containing RedHatService instances.
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class RedHatServices(base_services.KnownServices):
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def __init__(self):
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# pylint: disable=ipa-forbidden-import
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import ipalib # FixMe: break import cycle
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# pylint: enable=ipa-forbidden-import
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services = dict()
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for s in base_services.wellknownservices:
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services[s] = self.service_class_factory(s, ipalib.api)
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# Call base class constructor. This will lock services to read-only
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super(RedHatServices, self).__init__(services)
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def service_class_factory(self, name, api=None):
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return redhat_service_class_factory(name, api)
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# Objects below are expected to be exported by platform module
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timedate_services = base_services.timedate_services
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service = redhat_service_class_factory
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knownservices = RedHatServices()
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