Enable SSSD on client install

authconfig component changed its behavior. It no longer starts and
enables SSSD daemon when --enablesssd and --enablesssdauth options
are used. It only enables the PAM module and adds SSSD to nsswitch.

Enable SSSD on new client/server installs manually. Also make sure
that we stop&disable SSSD when we delete the configuration.

https://fedorahosted.org/freeipa/ticket/3307

ipa-client/ipa-install/ipa-client-install

@@ -454,6 +454,18 @@ def uninstall(options, env):
         root_logger.info("Redundant SSSD configuration file " +
             "/etc/sssd/sssd.conf was moved to /etc/sssd/sssd.conf.deleted")
 
+        sssd = ipaservices.service('sssd')
+        try:
+            sssd.stop()
+        except CalledProcessError:
+            root_logger.warning("SSSD service could not be stopped")
+
+        try:
+            sssd.disable()
+        except CalledProcessError, e:
+            root_logger.warning(
+                "Failed to disable automatic startup of the SSSD daemon: %s", e)
+
     if fstore.has_files():
         root_logger.info("Restoring client configuration files")
         ipaservices.restore_network_configuration(fstore, statestore)
@@ -1855,6 +1867,12 @@ def install(options, env, fstore, statestore):
             except CalledProcessError:
                 root_logger.warning("SSSD service restart was unsuccessful.")
 
+            try:
+                sssd.enable()
+            except CalledProcessError, e:
+                root_logger.warning(
+                    "Failed to enable automatic startup of the SSSD daemon: %s", e)
+
         if not options.sssd:
             #Modify pam to add pam_krb5 only when sssd is not in use
             auth_config.reset()