examples: Make scalingtime.py more generic

This makes scalingtime.py more generic by allowing the user to pass
command-line arguments to select the prototype, testbed, ...

Fixes #50

3 files changed, 4 insertions, 3 deletions

diff --git a/rumba/testbeds/dockertb.py b/rumba/testbeds/dockertb.py
index dca2b86..4079ffe 100644
--- a/rumba/testbeds/dockertb.py
+++ b/rumba/testbeds/dockertb.py
@@ -39,7 +39,7 @@ class Testbed(mod.Testbed):
     """
     Represents a docker testbed.
     """
-    def __init__(self, exp_name, base_image, pull_image=True,
+    def __init__(self, base_image, exp_name='foo', pull_image=True,
                  use_ovs=False):
         """
         Initializes the testbed class.
diff --git a/rumba/testbeds/local.py b/rumba/testbeds/local.py
index a3f4570..8b57ed2 100644
--- a/rumba/testbeds/local.py
+++ b/rumba/testbeds/local.py
@@ -38,7 +38,8 @@ class Testbed(mod.Testbed):
     processes locally. Also useful for debugging in the other plugins.
     """
 
-    def __init__(self, exp_name, username, proj_name="ARCFIRE", password=""):
+    def __init__(self, exp_name='foo', username='bar',
+                 proj_name="ARCFIRE", password=""):
         """
         Initializes the parent class.
 
diff --git a/rumba/testbeds/qemu.py b/rumba/testbeds/qemu.py
index a09229b..2a42472 100644
--- a/rumba/testbeds/qemu.py
+++ b/rumba/testbeds/qemu.py
@@ -53,7 +53,7 @@ class Testbed(mod.Testbed):
     """
     Represents a QEMU testbed.
     """
-    def __init__(self, exp_name, bzimage_path=None, initramfs_path=None,
+    def __init__(self, exp_name='foo', bzimage_path=None, initramfs_path=None,
                  proj_name="ARCFIRE", password="root", username="root",
                  public_key_path=os.path.join(USER_HOME, '.ssh', 'id_rsa.pub'),
                  use_vhost=True):