Add source file option for {add,remove}-tags

[ganeti-local] / man / gnt-instance.sgml

diff --git a/man/gnt-instance.sgml b/man/gnt-instance.sgml
index 53885e7..9ada7c7 100644 (file)
--- a/man/gnt-instance.sgml
+++ b/man/gnt-instance.sgml
@@ -758,6 +758,7 @@ node1.example.com:sdb:/dev/md1
 
         <cmdsynopsis>
           <command>add-tags</command>
+          <arg choice="opt">--from <replaceable>file</replaceable></arg>
           <arg choice="req"><replaceable>instancename</replaceable></arg>
           <arg choice="req"
             rep="repeat"><replaceable>tag</replaceable></arg>
@@ -767,6 +768,13 @@ node1.example.com:sdb:/dev/md1
           Add tags to the given instance. If any of the tags contains
           invalid characters, the entire operation will abort.
         </para>
+        <para>
+          If the <option>--from</option> option is given, the list of
+          tags will be extended with the contents of that file (each
+          line becomes a tag). In this case, there is not need to pass
+          tags on the command line (if you do, both sources will be
+          used). A file name of - will be interpreted as stdin.
+        </para>
       </refsect3>
 
       <refsect3>
@@ -784,6 +792,7 @@ node1.example.com:sdb:/dev/md1
         <title>REMOVE-TAGS</title>
         <cmdsynopsis>
           <command>remove-tags</command>
+          <arg choice="opt">--from <replaceable>file</replaceable></arg>
           <arg choice="req"><replaceable>instancename</replaceable></arg>
           <arg choice="req"
             rep="repeat"><replaceable>tag</replaceable></arg>
@@ -793,6 +802,14 @@ node1.example.com:sdb:/dev/md1
           Remove tags from the given instance. If any of the tags are
           not existing on the node, the entire operation will abort.
         </para>
+
+        <para>
+          If the <option>--from</option> option is given, the list of
+          tags will be extended with the contents of that file (each
+          line becomes a tag). In this case, there is not need to pass
+          tags on the command line (if you do, both sources will be
+          used). A file name of - will be interpreted as stdin.
+        </para>
       </refsect3>
 
     </refsect2>