use print() - import print_function - should be fine for both py2 and py3

[nepi.git] / examples / planetlab / update_fedora_repo.py

diff --git a/examples/planetlab/update_fedora_repo.py b/examples/planetlab/update_fedora_repo.py
index 7b5d88c..cd2a9cd 100644 (file)
--- a/examples/planetlab/update_fedora_repo.py
+++ b/examples/planetlab/update_fedora_repo.py
@@ -4,9 +4,8 @@
 #    Copyright (C) 2013 INRIA
 #
 #    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
-#    the Free Software Foundation, either version 3 of the License, or
-#    (at your option) any later version.
+#    it under the terms of the GNU General Public License version 2 as
+#    published by the Free Software Foundation;
 #
 #    This program is distributed in the hope that it will be useful,
 #    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -28,6 +27,8 @@
 # $ cd <path-to-nepi>
 # python examples/planetlab/update_fedora_repo.py -H <host1,host2,..> -s <pl-slice> -u <pl-user> -p <pl-password> -k <pl-ssh-key>  
 
+from __future__ import print_function
+
 from nepi.execution.ec import ExperimentController 
 
 from optparse import OptionParser, SUPPRESS_HELP
@@ -84,8 +85,12 @@ for hostname in hosts:
     ec.set(node, "identity", pl_ssh_key)
     # The pluser and plpassword are the ones used to login in the PlanetLab web 
     # site. Replace with your own user and password account information.
-    ec.set(node, "pluser", pl_user)
-    ec.set(node, "plpassword", pl_password)
+    if pl_user:
+        ec.set(node, "pluser", pl_user)
+    if pl_password: 
+        ec.set(node, "plpassword", pl_password)
+
+    ec.set(node, "critical", False)
     # Remove previous results
     ec.set(node, "cleanExperiment", True)
     ec.set(node, "cleanProcesses", True)
@@ -101,6 +106,7 @@ for hostname in hosts:
     ec.set(app, "command", 
         "cp /etc/yum.repos.d/fedora.repo /etc/yum.repos.d/fedora.repo.old; "
         "cp ${SHARE}/fedora.repo /etc/yum.repos.d/fedora.repo")
+    ec.set(app, "critical", False)
     ec.register_connection(node, app)
 
     apps.append(app)
@@ -116,6 +122,7 @@ for hostname in hosts:
     ec.set(app, "command", 
         "cp /etc/yum.repos.d/fedora-updates.repo /etc/yum.repos.d/fedora-updates.repo.old; "
         "cp ${SHARE}/fedora-updates.repo /etc/yum.repos.d/fedora-updates.repo")
+    ec.set(app, "critical", False)
     ec.register_connection(node, app)
     
     apps.append(app)
@@ -126,7 +133,10 @@ ec.deploy()
 ec.wait_finished(apps)
 
 for app in apps:
-    print ec.trace(app, "stderr")
+    try:
+        print(ec.trace(app, "stderr"))
+    except:
+        print("NO stderr")
 
 ec.shutdown()