Hypervisor: allow ballooning of instance memory

[ganeti-local] / lib / ssh.py

diff --git a/lib/ssh.py b/lib/ssh.py
index 8daf579..5c11be2 100644 (file)
--- a/lib/ssh.py
+++ b/lib/ssh.py
@@ -1,7 +1,7 @@
 #
 #
 
-# Copyright (C) 2006, 2007 Google Inc.
+# Copyright (C) 2006, 2007, 2010, 2011 Google Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -31,6 +31,7 @@ import re
 from ganeti import utils
 from ganeti import errors
 from ganeti import constants
+from ganeti import netutils
 
 
 def FormatParamikoFingerprint(fingerprint):
@@ -79,8 +80,17 @@ class SshRunner:
   """Wrapper for SSH commands.
 
   """
-  def __init__(self, cluster_name):
+  def __init__(self, cluster_name, ipv6=False):
+    """Initializes this class.
+
+    @type cluster_name: str
+    @param cluster_name: name of the cluster
+    @type ipv6: bool
+    @param ipv6: If true, force ssh to use IPv6 addresses only
+
+    """
     self.cluster_name = cluster_name
+    self.ipv6 = ipv6
 
   def _BuildSshOptions(self, batch, ask_key, use_cluster_key,
                        strict_host_check, private_key=None, quiet=True):
@@ -96,7 +106,7 @@ class SshRunner:
     @param quiet: whether to enable -q to ssh
 
     @rtype: list
-    @return: the list of options ready to use in L{utils.RunCmd}
+    @return: the list of options ready to use in L{utils.process.RunCmd}
 
     """
     options = [
@@ -141,6 +151,9 @@ class SshRunner:
       else:
         options.append("-oStrictHostKeyChecking=no")
 
+    if self.ipv6:
+      options.append("-6")
+
     return options
 
   def BuildCmd(self, hostname, user, command, batch=True, ask_key=False,
@@ -181,8 +194,8 @@ class SshRunner:
 
     Args: see SshRunner.BuildCmd.
 
-    @rtype: L{utils.RunResult}
-    @return: the result as from L{utils.RunCmd()}
+    @rtype: L{utils.process.RunResult}
+    @return: the result as from L{utils.process.RunCmd()}
 
     """
     return utils.RunCmd(self.BuildCmd(*args, **kwargs))
@@ -208,13 +221,16 @@ class SshRunner:
     command = [constants.SCP, "-p"]
     command.extend(self._BuildSshOptions(True, False, True, True))
     command.append(filename)
+    if netutils.IP6Address.IsValid(node):
+      node = netutils.FormatAddress((node, None))
+
     command.append("%s:%s" % (node, filename))
 
     result = utils.RunCmd(command)
 
     if result.failed:
-      logging.error("Copy to node %s failed (%s) error %s,"
-                    " command was %s",
+      logging.error("Copy to node %s failed (%s) error '%s',"
+                    " command was '%s'",
                     node, result.fail_reason, result.output, result.cmd)
 
     return not result.failed
@@ -238,7 +254,7 @@ class SshRunner:
         - detail: string with details
 
     """
-    retval = self.Run(node, 'root', 'hostname --fqdn')
+    retval = self.Run(node, "root", "hostname --fqdn", quiet=False)
 
     if retval.failed:
       msg = "ssh problem"