Convert instance_os_import rpc to new style result

[ganeti-local] / lib / utils.py

diff --git a/lib/utils.py b/lib/utils.py
index 786cb0e..48388ba 100644 (file)
--- a/lib/utils.py
+++ b/lib/utils.py
@@ -1785,6 +1785,13 @@ def SetupLogging(logfile, debug=False, stderr_logging=False, program="",
       # we need to re-raise the exception
       raise
 
+def IsNormAbsPath(path):
+  """Check whether a path is absolute and also normalized
+
+  This avoids things like /dir/../../other/path to be valid.
+
+  """
+  return os.path.normpath(path) == path and os.path.isabs(path)
 
 def TailFile(fname, lines=20):
   """Return the last lines from a file.
@@ -1833,6 +1840,16 @@ def SafeEncode(text):
   return text
 
 
+def CommaJoin(names):
+  """Nicely join a set of identifiers.
+
+  @param names: set, list or tuple
+  @return: a string with the formatted results
+
+  """
+  return ", ".join(["'%s'" % val for val in names])
+
+
 def LockedMethod(fn):
   """Synchronized object access decorator.