Add missing ws seperator between words

This is to add missing ws seperator between words.

Change-Id: I55731b70dec4ecb19bf1f3ac2307091ba6a625ba

freezer/common/config.py

@@ -50,7 +50,7 @@ _DEFAULT_LOG_LEVELS = ['amqp=WARN', 'amqplib=WARN', 'boto=WARN',
 _DEFAULT_LOGGING_CONTEXT_FORMAT = (
     '%(asctime)s.%(msecs)03d %(process)d '
     '%(levelname)s %(name)s [%(request_id)s '
-    '%(user_identity)s] %(instance)s'
+    '%(user_identity)s] %(instance)s '
     '%(message)s')
 
 DEFAULT_PARAMS = {
@@ -122,7 +122,7 @@ _COMMON = [
                     "(filesystem),mongo (MongoDB), mysql (MySQL), "
                     "sqlserver(SQL Server), "
                     "cinder(OpenStack Volume backup by freezer), "
-                    "cindernative(OpenStack native cinder-volume backup)"
+                    "cindernative(OpenStack native cinder-volume backup), "
                     "nova(OpenStack Instance). Default set to fs"),
     cfg.StrOpt('engine',
                short='e',
@@ -519,7 +519,7 @@ _COMMON = [
                 default=DEFAULT_PARAMS['incremental'],
                 help="When the option is set, freezer will perform a "
                      "cindernative incremental backup instead of the default "
-                     "full backup. And if True, but volume do not have a base"
+                     "full backup. And if True, but volume do not have a base "
                      "full backup, freezer will do a full backup first"),
     cfg.StrOpt('nova-restore-network',
                dest='nova_restore_network',

freezer/openstack/admin.py

@@ -67,7 +67,7 @@ class AdminOs(object):
                                 % (backup_id, del_backup[0].status))
             if (del_backup[0].status == 'deleting') and (int(time.time()) -
                                                          start_time > timeout):
-                LOG.error("Delete backup %s failed, In a state of"
+                LOG.error("Delete backup %s failed, In a state of "
                           "deleting over 120s")
                 raise Exception(
                     "Delete backup %s failed due to timeout over 120s, "

freezer/storage/ssh.py

@@ -70,7 +70,7 @@ class SshStorage(fslike.FsLikeStorage):
                              'it exists and ensure backup node can '
                              'login to {1} as user {2} '
                              'without password.\n'
-                             '2. --ssh-password argument is required and'
+                             '2. --ssh-password argument is required and '
                              'ensure backup node can login to {1} '
                              'as user {2} with password.'
                              .format(self.ssh_key_path, self.remote_ip,