Add --modify-etc-hosts option for CLI tools

The option will be used by gnt-cluster modify in the following commit.

Signed-off-by: Michele Tartara <mtartara@google.com>
Reviewed-by: Helga Velroyen <helgav@google.com>

diff --git a/lib/cli.py b/lib/cli.py
index 32ef069..d72b7d4 100644 (file)
--- a/lib/cli.py
+++ b/lib/cli.py
@@ -116,6 +116,7 @@ __all__ = [
   "MASTER_NETMASK_OPT",
   "MC_OPT",
   "MIGRATION_MODE_OPT",
+  "MODIFY_ETCHOSTS_OPT",
   "NET_OPT",
   "NETWORK_OPT",
   "NETWORK6_OPT",
@@ -1306,6 +1307,12 @@ NOMODIFY_ETCHOSTS_OPT = cli_option("--no-etc-hosts", dest="modify_etc_hosts",
                                    help="Don't modify %s" % pathutils.ETC_HOSTS,
                                    action="store_false", default=True)
 
+MODIFY_ETCHOSTS_OPT = \
+ cli_option("--modify-etc-hosts", dest="modify_etc_hosts", metavar=_YORNO,
+            default=None, type="bool",
+            help="Defines whether the cluster should autonomously modify"
+            " and keep in sync the /etc/hosts file of the nodes")
+
 NOMODIFY_SSH_SETUP_OPT = cli_option("--no-ssh-init", dest="modify_ssh_setup",
                                     help="Don't initialize SSH keys",
                                     action="store_false", default=True)