output ERROR to stderr

holdenk · Mar 4, 2014 · 104af07 · 104af07
1 parent 9a71769
commit 104af07
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/ec2/spark_ec2.py b/ec2/spark_ec2.py
@@ -402,9 +402,9 @@ def get_existing_cluster(conn, opts, cluster_name, die_on_error=True):
     return (master_nodes, slave_nodes)
   else:
     if master_nodes == [] and slave_nodes != []:
-      print "ERROR: Could not find master in group " + cluster_name + "-master"
+      print >> sys.stderr, "ERROR: Could not find master in group " + cluster_name + "-master"
     else:
-      print "ERROR: Could not find any existing cluster"
+      print >> sys.stderr, "ERROR: Could not find any existing cluster"
     sys.exit(1)
 
 
@@ -679,7 +679,7 @@ def real_main():
 
   if action == "launch":
     if opts.slaves <= 0:
-      print "You have to start at least 1 slave"
+      print >> sys.stderr, "ERROR: You have to start at least 1 slave"
       sys.exit(1)
     if opts.resume:
       (master_nodes, slave_nodes) = get_existing_cluster(