add license information to borrowed code

common/contrail_test_init.py

@@ -47,6 +47,10 @@
 DEFAULT_CI_SVC_IMAGE = os.getenv('DEFAULT_CI_SVC_IMAGE', 'cirros_in_net')
 CI_IMAGES = [DEFAULT_CI_IMAGE, DEFAULT_CI_SVC_IMAGE]
 
+# License: PSF License 2.0
+# Copyright (c) 2003-2005 by Peter Astrand <astrand@lysator.liu.se>
+# https://hg.python.org/cpython/file/d37f963394aa/Lib/subprocess.py
+
 # monkey patch subprocess.check_output cos its not supported in 2.6
 if "check_output" not in dir(subprocess):  # duck punch it in!
     def f(*popenargs, **kwargs):

common/log_orig.py

@@ -17,6 +17,8 @@
 if not '_loggers' in locals():
     _loggers = {}
 
+# License: Apache-2.0
+# https://github.com/klarna/op5lib
 class NullHandler(logging.Handler):
     """
     For backward-compatibility with Python 2.6, a local class definition

fixtures/ceilometer/ceilometer_client.py

@@ -4,6 +4,9 @@
 
 VERSION = 2
 
+# License: Apache-2.0
+# (c) Copyright 2012, OpenStack Foundation.
+# https://docs.openstack.org/horizon/9.1.1/_modules/openstack_dashboard/api/ceilometer.html
 def make_query(user_id=None, tenant_id=None, resource_id=None,
                user_ids=None, tenant_ids=None, resource_ids=None):
     """Returns query built from given parameters.

fixtures/vcenter_gateway.py

@@ -9,6 +9,8 @@
 import time
 
 
+# License: Apache-2.0
+# https://github.com/vmware/pyvmomi-community-samples/blob/master/samples/getvnicinfo.py
 def GetVMHosts(content):
     print("Getting all ESX hosts ...")
     host_view = content.viewManager.CreateContainerView(content.rootFolder,
@@ -44,6 +46,10 @@ def getvmnics(content,vm,hosts):
             vlanId = None
             vSwitch = None
             if hasattr(dev_backing, 'port'):
+                #
+                # License: Apache-2.0
+                # https://github.com/vmware/pyvmomi-community-samples/blob/master/samples/getvnicinfo.py
+                #
                 portGroupKey = dev.backing.port.portgroupKey
                 dvsUuid = dev.backing.port.switchUuid
                 try:

tcutils/timeout.py

@@ -1,3 +1,4 @@
+# License: CC-BY-SA-3.0"
 # From http://stackoverflow.com/questions/2281850/timeout-function-if-it-takes-too-long-to-finish
 #
 # Usage : 

test.py

@@ -12,6 +12,10 @@
 import logging as std_logging
 from tcutils.util import get_unique_random_name
 
+
+# License: Apache-2.0
+# Copyright 2012 OpenStack Foundation
+# https://github.com/openstack/tempest/blob/master/tempest/test.py
 def attr(*args, **kwargs):
     """A decorator which applies the  testtools attr decorator
 
@@ -77,10 +81,17 @@ def setUpClass(cls):
 
     @classmethod
     def tearDownClass(cls):
+        # License: Apache-2.0
+        # Copyright 2012 OpenStack Foundation
+        # https://github.com/openstack/tempest/blob/master/tempest/test.py
+
         #cls.logger.cleanUp()
         if hasattr(super(BaseTestCase, cls), 'tearDownClass'):
             super(BaseTestCase, cls).tearDownClass()
 
+    # License: Apache-2.0
+    # Copyright 2012 OpenStack Foundation
+    # https://github.com/openstack/tempest/blob/master/tempest/test.py
     def setUp(self):
         super(BaseTestCase, self).setUp()
         if not self.setUpClassCalled:
@@ -127,6 +138,9 @@ def is_test_applicable(self):
         return (True, None)
 
 
+# License: Apache-2.0
+# Copyright 2012 OpenStack Foundation
+# https://github.com/openstack/tempest/blob/master/tempest/test.py
 def call_until_true(func, duration, sleep_for):
     """
     Call the given function until it returns True (and return True) or