Enable Retro Changelog and Content Synchronization DS plugins

Enable Retro Changelog and Content Synchronization DS plugins which are required
for SyncRepl support.

Create a working directory /var/named/ipa required by bind-dyndb-ldap v4+.

https://fedorahosted.org/freeipa/ticket/3967

freeipa.spec.in

@@ -756,6 +756,7 @@ fi
 %{_mandir}/man1/ipa-backup.1.gz
 %{_mandir}/man1/ipa-restore.1.gz
 %{_mandir}/man1/ipa-advise.1.gz
+%ghost %{_localstatedir}/named/ipa
 
 %files server-trust-ad
 %{_sbindir}/ipa-adtrust-install

install/tools/ipa-upgradeconfig

@@ -1079,6 +1079,10 @@ def main():
     setup_firefox_extension(fstore)
     add_ca_dns_records()
 
+    bind = bindinstance.BindInstance(fstore)
+    if bind.is_configured():
+        bind.create_dir('/var/named/ipa', 0700)
+
     # Any of the following functions returns True iff the named.conf file
     # has been altered
     named_conf_changes = (
@@ -1092,7 +1096,6 @@ def main():
     if any(named_conf_changes):
         # configuration has changed, restart the name server
         root_logger.info('Changes to named.conf have been made, restart named')
-        bind = bindinstance.BindInstance(fstore)
         try:
             bind.restart()
         except ipautil.CalledProcessError, e:

install/updates/20-syncrepl.update

@@ -0,0 +1,9 @@
+# Enable Retro changelog
+dn: cn=Retro Changelog Plugin,cn=plugins,cn=config
+only:nsslapd-pluginEnabled: on
+add:nsslapd-attribute: nsuniqueid:targetUniqueId
+add:nsslapd-changelogmaxage: 2d
+
+# Enable SyncRepl
+dn: cn=Content Synchronization,cn=plugins,cn=config
+only:nsslapd-pluginEnabled: on

install/updates/Makefile.am

@@ -14,6 +14,7 @@ app_DATA =				\
 	20-indices.update		\
 	20-nss_ldap.update		\
 	20-replication.update		\
+	20-syncrepl.update		\
 	20-user_private_groups.update	\
 	20-winsync_index.update		\
 	21-replicas_container.update	\

ipaserver/install/bindinstance.py

@@ -22,6 +22,7 @@ import os
 import pwd
 import netaddr
 import re
+import errno
 
 import ldap
 
@@ -509,6 +510,16 @@ class BindInstance(service.Service):
         os.close(bind_fd)
         print "Sample zone file for bind has been created in "+bind_name
 
+    def create_dir(self, path, mode):
+        try:
+            os.makedirs(path, mode)
+        except OSError as e:
+            if e.errno != errno.EEXIST:
+                raise e
+
+        pent = pwd.getpwnam(self.named_user or 'named')
+        os.chown(path, pent.pw_uid, pent.pw_gid)
+
     def create_instance(self):
 
         try:
@@ -519,6 +530,8 @@ class BindInstance(service.Service):
         # get a connection to the DS
         self.ldap_connect()
 
+        self.create_dir('/var/named/ipa', 0700)
+
         if installutils.record_in_hosts(self.ip_address, self.fqdn) is None:
             installutils.add_record_to_hosts(self.ip_address, self.fqdn)