Improvements

- Added: functest_utils.py for common util functions
- Moved: a lot of functions from config_functest.py to functest_utils.py
- Moved: create of functest-net from config_functest.py to vPing.py
- Improvements and code cleaned

JIRA: FUNCTEST-10

Change-Id: I0d3381576cbb24a999ea69e107baafea896a36e7
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

4 files changed, 397 insertions, 323 deletions

diff --git a/testcases/__init__.py b/testcases/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/testcases/__init__.py
diff --git a/testcases/config_functest.py b/testcases/config_functest.py
index 5a3fcbb3..b862ba72 100644
--- a/testcases/config_functest.py
+++ b/testcases/config_functest.py
@@ -9,10 +9,9 @@
 #
 
 import re, json, os, urllib2, argparse, logging, shutil, subprocess, yaml, sys
+import functest_utils
 from git import Repo
 
-from neutronclient.v2_0 import client
-
 actions = ['start', 'check', 'clean']
 parser = argparse.ArgumentParser()
 parser.add_argument("repo_path", help="Path to the repository")
@@ -57,11 +56,6 @@ RALLY_INSTALLATION_DIR = HOME + functest_yaml.get("general").get("directories").
 VPING_DIR = REPO_PATH + functest_yaml.get("general").get("directories").get("dir_vping")
 ODL_DIR = REPO_PATH + functest_yaml.get("general").get("directories").get("dir_odl")
 
-# NEUTRON Private Network parameters
-NEUTRON_PRIVATE_NET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_net_name")
-NEUTRON_PRIVATE_SUBNET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_name")
-NEUTRON_PRIVATE_SUBNET_CIDR = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_cidr")
-ROUTER_NAME = functest_yaml.get("general").get("openstack").get("neutron_router_name")
 
 #GLANCE image parameters
 IMAGE_URL = functest_yaml.get("general").get("openstack").get("image_url")
@@ -72,14 +66,11 @@ IMAGE_DIR = HOME + functest_yaml.get("general").get("openstack").get("image_down
 IMAGE_PATH = IMAGE_DIR + IMAGE_FILE_NAME
 
 
-credentials = None
-neutron_client = None
-
 def action_start():
     """
     Start the functest environment installation
     """
-    if not check_internet_connectivity():
+    if not functest_utils.check_internet_connectivity():
         logger.error("There is no Internet connectivity. Please check the network configuration.")
         exit(-1)
 
@@ -105,25 +96,10 @@ def action_start():
             action_clean()
             exit(-1)
 
-        credentials = get_credentials()
-        neutron_client = client.Client(**credentials)
-
-        logger.info("Configuring Neutron...")
-        logger.info("Checking if private network '%s' exists..." % NEUTRON_PRIVATE_NET_NAME)
-        #Now: if exists we don't create it again (the clean command does not clean the neutron networks yet)
-        if check_neutron_net(neutron_client, NEUTRON_PRIVATE_NET_NAME):
-            logger.info("Private network '%s' found. No need to create another one." % NEUTRON_PRIVATE_NET_NAME)
-        else:
-            logger.info("Private network '%s' not found. Creating..." % NEUTRON_PRIVATE_NET_NAME)
-            if not create_private_neutron_net(neutron_client):
-                logger.error("There has been a problem while creating the Neutron network.")
-                #action_clean()
-                exit(-1)
 
-
-        logger.info("Donwloading image...")
-        if not download_url(IMAGE_URL, IMAGE_DIR):
-            logger.error("There has been a problem while downloading the image.")
+        logger.info("Downloading image...")
+        if not functest_utils.download_url(IMAGE_URL, IMAGE_DIR):
+            logger.error("There has been a problem downloading the image '%s'." %IMAGE_URL)
             action_clean()
             exit(-1)
 
@@ -143,10 +119,8 @@ def action_check():
     errors_all = False
 
     logger.info("Checking current functest configuration...")
-    credentials = get_credentials()
-    neutron_client = client.Client(**credentials)
 
-    logger.debug("Checking directories...")
+    logger.debug("Checking script directories...")
     errors = False
     dirs = [RALLY_DIR, RALLY_INSTALLATION_DIR, VPING_DIR, ODL_DIR]
     for dir in dirs:
@@ -164,23 +138,12 @@ def action_check():
 
     logger.debug("Checking Rally deployment...")
     if not check_rally():
-        logger.debug("   Rally deployment NOT found.")
+        logger.debug("   Rally deployment NOT installed.")
         errors_all = True
         logger.debug("...FAIL")
     else:
         logger.debug("...OK")
 
-
-    logger.debug("Checking Neutron...")
-    if not check_neutron_net(neutron_client, NEUTRON_PRIVATE_NET_NAME):
-        logger.debug("   Private network '%s' NOT found." % NEUTRON_PRIVATE_NET_NAME)
-        logger.debug("...FAIL")
-        errors_all = True
-    else:
-        logger.debug("   Private network '%s' found." % NEUTRON_PRIVATE_NET_NAME)
-        logger.debug("...OK")
-
-
     logger.debug("Checking Image...")
     errors = False
     if not os.path.isfile(IMAGE_PATH):
@@ -229,13 +192,10 @@ def action_clean():
     if os.path.exists(RALLY_REPO_DIR):
         logger.debug("Removing Rally repository %s" % RALLY_REPO_DIR)
         cmd = "sudo rm -rf " + RALLY_REPO_DIR #need to be sudo, not possible with rmtree
-        execute_command(cmd)
-    #logger.debug("Deleting Neutron network %s" % NEUTRON_PRIVATE_NET_NAME)
-    #if not delete_neutron_net() :
-    #    logger.error("Error deleting the network. Remove it manually.")
+        functest_utils.execute_command(cmd,logger)
 
-    logger.debug("Deleting glance images")
     if os.path.exists(IMAGE_PATH):
+        logger.debug("Deleting image")
         os.remove(IMAGE_PATH)
 
     cmd = "glance image-list | grep "+IMAGE_NAME+" | cut -c3-38"
@@ -244,9 +204,9 @@ def action_clean():
     #while image_id = p.readline()
     for image_id in p.readlines():
         cmd = "glance image-delete " + image_id
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
 
-    return True
+    logger.info("Functest environment clean!")
 
 
 
@@ -263,26 +223,26 @@ def install_rally():
         logger.debug("Executing %s./install_rally.sh..." %RALLY_REPO_DIR)
         install_script = RALLY_REPO_DIR + "install_rally.sh"
         cmd = 'sudo ' + install_script
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
         #subprocess.call(['sudo', install_script])
 
         logger.debug("Creating Rally environment...")
         cmd = "rally deployment create --fromenv --name=opnfv-arno-rally"
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
 
         logger.debug("Installing tempest...")
         cmd = "rally-manage tempest install"
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
 
         cmd = "rally deployment check"
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
         #TODO: check that everything is 'Available' and warn if not
 
         cmd = "rally show images"
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
 
         cmd = "rally show flavors"
-        execute_command(cmd)
+        functest_utils.execute_command(cmd,logger)
 
     return True
 
@@ -301,208 +261,35 @@ def check_rally():
         #if the command does not exist or there is no deployment
         line = p.stdout.readline()
         if line == "":
-            logger.debug("   Rally deployment not found")
+            logger.debug("   Rally deployment NOT found")
             return False
         logger.debug("   Rally deployment found")
         return True
     else:
-        logger.debug("   Rally installation directory not found")
         return False
 
 
 def install_odl():
     cmd = "chmod +x " + ODL_DIR + "start_tests.sh"
-    execute_command(cmd)
+    functest_utils.execute_command(cmd,logger)
     cmd = "chmod +x " + ODL_DIR + "create_venv.sh"
-    execute_command(cmd)
+    functest_utils.execute_command(cmd,logger)
     cmd = ODL_DIR + "create_venv.sh"
-    execute_command(cmd)
-    return True
-
-
-def check_credentials():
-    """
-    Check if the OpenStack credentials (openrc) are sourced
-    """
-    #TODO: there must be a short way to do this, doing if os.environ["something"] == "" throws an error
-    try:
-       os.environ['OS_AUTH_URL']
-    except KeyError:
-        return False
-    try:
-       os.environ['OS_USERNAME']
-    except KeyError:
-        return False
-    try:
-       os.environ['OS_PASSWORD']
-    except KeyError:
-        return False
-    try:
-       os.environ['OS_TENANT_NAME']
-    except KeyError:
-        return False
-    try:
-       os.environ['OS_REGION_NAME']
-    except KeyError:
-        return False
+    functest_utils.execute_command(cmd,logger)
     return True
 
 
-def get_credentials():
-    d = {}
-    d['username'] = os.environ['OS_USERNAME']
-    d['password'] = os.environ['OS_PASSWORD']
-    d['auth_url'] = os.environ['OS_AUTH_URL']
-    d['tenant_name'] = os.environ['OS_TENANT_NAME']
-    return d
-
-def get_nova_credentials():
-    d = {}
-    d['username'] = os.environ['OS_USERNAME']
-    d['api_key'] = os.environ['OS_PASSWORD']
-    d['auth_url'] = os.environ['OS_AUTH_URL']
-    d['project_id'] = os.environ['OS_TENANT_NAME']
-    return d
-
-
-
-def create_private_neutron_net(neutron):
-    try:
-        neutron.format = 'json'
-        logger.debug('Creating Neutron network %s...' % NEUTRON_PRIVATE_NET_NAME)
-        json_body = {'network': {'name': NEUTRON_PRIVATE_NET_NAME,
-                    'admin_state_up': True}}
-        netw = neutron.create_network(body=json_body)
-        net_dict = netw['network']
-        network_id = net_dict['id']
-        logger.debug("Network '%s' created successfully" % network_id)
-
-        logger.debug('Creating Subnet....')
-        json_body = {'subnets': [{'name': NEUTRON_PRIVATE_SUBNET_NAME, 'cidr': NEUTRON_PRIVATE_SUBNET_CIDR,
-                           'ip_version': 4, 'network_id': network_id}]}
-
-        subnet = neutron.create_subnet(body=json_body)
-        subnet_id = subnet['subnets'][0]['id']
-        logger.debug("Subnet '%s' created successfully" % subnet_id)
-
-
-        logger.debug('Creating Router...')
-        json_body = {'router': {'name': ROUTER_NAME, 'admin_state_up': True}}
-        router = neutron.create_router(json_body)
-        router_id = router['router']['id']
-        logger.debug("Router '%s' created successfully" % router_id)
-
-        logger.debug('Adding router to subnet...')
-        json_body = {"subnet_id": subnet_id}
-        neutron.add_interface_router(router=router_id, body=json_body)
-        logger.debug("Interface added successfully.")
-
-    except:
-        print "Error:", sys.exc_info()[0]
-        return False
-
-    logger.info("Private Neutron network created successfully.")
-    return True
-
-def get_network_id(neutron, network_name):
-    networks = neutron.list_networks()['networks']
-    id  = ''
-    for n in networks:
-        if n['name'] == network_name:
-            id = n['id']
-            break
-    return id
-
-def check_neutron_net(neutron, net_name):
-    for network in neutron.list_networks()['networks']:
-        if network['name'] == net_name :
-            for subnet in network['subnets']:
-                return True
-    return False
-
-def delete_neutron_net(neutron):
-    #TODO: remove router, ports
-    try:
-        #https://github.com/isginf/openstack_tools/blob/master/openstack_remove_tenant.py
-        for network in neutron.list_networks()['networks']:
-            if network['name'] == NEUTRON_PRIVATE_NET_NAME :
-                for subnet in network['subnets']:
-                    print "Deleting subnet " + subnet
-                    neutron.delete_subnet(subnet)
-                print "Deleting network " + network['name']
-                neutron.delete_neutron_net(network['id'])
-    finally:
-        return True
-    return False
-
-
-
-
 
 def create_glance_image(path,name,disk_format):
     """
     Create a glance image given the absolute path of the image, its name and the disk format
     """
     cmd = "glance image-create --name "+name+" --is-public true --disk-format "+disk_format+" --container-format bare --file "+path
-    execute_command(cmd)
-    return True
-
-
-
-
-
-def download_url(url, dest_path):
-    """
-    Download a file to a destination path given a URL
-    """
-    name = url.rsplit('/')[-1]
-    dest = dest_path + name
-    try:
-        response = urllib2.urlopen(url)
-    except (urllib2.HTTPError, urllib2.URLError):
-        logger.error("Error in fetching %s" %url)
-        return False
-
-    with open(dest, 'wb') as f:
-        f.write(response.read())
+    functest_utils.execute_command(cmd,logger)
     return True
 
 
 
-def check_internet_connectivity(url='http://www.google.com/'):
-    """
-    Check if there is access to the internet
-    """
-    try:
-        urllib2.urlopen(url, timeout=5)
-        return True
-    except urllib.request.URLError:
-        return False
-
-def execute_command(cmd):
-    """
-    Execute Linux command
-    """
-    logger.debug('Executing command : {}'.format(cmd))
-    #p = os.popen(cmd,"r")
-    #logger.debug(p.read())
-    output_file = "output.txt"
-    f = open(output_file, 'w+')
-    p = subprocess.call(cmd,shell=True, stdout=f, stderr=subprocess.STDOUT)
-    f.close()
-    f = open(output_file, 'r')
-    result = f.read()
-    if result != "":
-        logger.debug(result)
-    #p = subprocess.call(cmd,shell=True);
-    if p == 0 :
-        return True
-    else:
-        logger.error("Error when executing command %s" %cmd)
-        exit(-1)
-
-
-
 
 def main():
     if not (args.action in actions):
@@ -510,7 +297,7 @@ def main():
         exit(-1)
 
 
-    if not check_credentials():
+    if not functest_utils.check_credentials():
         logger.error("Please source the openrc credentials and run the script again.")
         #TODO: source the credentials in this script
         exit(-1)
@@ -522,7 +309,7 @@ def main():
         if action_check():
             logger.info("Functest environment correctly installed")
         else:
-            logger.info("Functest environment faulty")
+            logger.info("Functest environment not found or faulty")
 
     if args.action == "clean":
         if args.force :
diff --git a/testcases/functest_utils.py b/testcases/functest_utils.py
new file mode 100644
index 00000000..7b61198d
--- /dev/null
+++ b/testcases/functest_utils.py
@@ -0,0 +1,231 @@
+#!/usr/bin/env python
+#
+# jose.lausuch@ericsson.com
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+
+import re, json, os, urllib2, shutil, subprocess, sys
+
+
+def check_credentials():
+    """
+    Check if the OpenStack credentials (openrc) are sourced
+    """
+    #TODO: there must be a short way to do this, doing if os.environ["something"] == "" throws an error
+    try:
+       os.environ['OS_AUTH_URL']
+    except KeyError:
+        return False
+    try:
+       os.environ['OS_USERNAME']
+    except KeyError:
+        return False
+    try:
+       os.environ['OS_PASSWORD']
+    except KeyError:
+        return False
+    try:
+       os.environ['OS_TENANT_NAME']
+    except KeyError:
+        return False
+    try:
+       os.environ['OS_REGION_NAME']
+    except KeyError:
+        return False
+    return True
+
+
+def get_credentials(service):
+    """Returns a creds dictionary filled with the following keys:
+    * username
+    * password/api_key (depending on the service)
+    * tenant_name/project_id (depending on the service)
+    * auth_url
+    :param service: a string indicating the name of the service
+                    requesting the credentials.
+    """
+    #TODO: get credentials from the openrc file
+    creds = {}
+    # Unfortunately, each of the OpenStack client will request slightly
+    # different entries in their credentials dict.
+    if service.lower() in ("nova", "cinder"):
+        password = "api_key"
+        tenant = "project_id"
+    else:
+        password = "password"
+        tenant = "tenant_name"
+
+    # The most common way to pass these info to the script is to do it through
+    # environment variables.
+    creds.update({
+        "username": os.environ.get('OS_USERNAME', "admin"),                                # add your cloud username details
+        password: os.environ.get("OS_PASSWORD", 'admin'),                                # add password
+        "auth_url": os.environ.get("OS_AUTH_URL","http://192.168.20.71:5000/v2.0"),        # Auth URL
+        tenant: os.environ.get("OS_TENANT_NAME", "admin"),
+    })
+
+    return creds
+
+
+
+def get_instance_status(nova_client,instance):
+    try:
+        instance = nova_client.servers.get(instance.id)
+        return instance.status
+    except:
+        return None
+
+
+def get_instance_by_name(nova_client, instance_name):
+    try:
+        instance = nova_client.servers.find(name=instance_name)
+        return instance
+    except:
+        return None
+
+
+
+def create_neutron_net(neutron_client, name):
+    json_body = {'network': {'name': name,
+                    'admin_state_up': True}}
+    try:
+        network = neutron_client.create_network(body=json_body)
+        network_dict = network['network']
+        return network_dict['id']
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+def delete_neutron_net(neutron_client, network_id):
+    try:
+        neutron_client.delete_network(network_id)
+        return True
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+def create_neutron_subnet(neutron_client, name, cidr, net_id):
+    json_body = {'subnets': [{'name': name, 'cidr': cidr,
+                           'ip_version': 4, 'network_id': net_id}]}
+    try:
+        subnet = neutron_client.create_subnet(body=json_body)
+        return subnet['subnets'][0]['id']
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+def delete_neutron_subnet(neutron_client, subnet_id):
+    try:
+        neutron_client.delete_subnet(subnet_id)
+        return True
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+def create_neutron_router(neutron_client, name):
+    json_body = {'router': {'name': name, 'admin_state_up': True}}
+    try:
+        router = neutron_client.create_router(json_body)
+        return router['router']['id']
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+def delete_neutron_router(neutron_client, router_id):
+    json_body = {'router': {'id': router_id}}
+    try:
+        neutron_client.delete_router(router=router_id)
+        return True
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+
+def add_interface_router(neutron_client, router_id, subnet_id):
+    json_body = {"subnet_id": subnet_id}
+    try:
+        neutron_client.add_interface_router(router=router_id, body=json_body)
+        return True
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+
+def remove_interface_router(neutron_client, router_id, subnet_id):
+    json_body = {"subnet_id": subnet_id}
+    try:
+        neutron_client.remove_interface_router(router=router_id, body=json_body)
+        return True
+    except:
+        print "Error:", sys.exc_info()[0]
+        return False
+
+
+def get_network_id(neutron_client, network_name):
+    networks = neutron_client.list_networks()['networks']
+    id  = ''
+    for n in networks:
+        if n['name'] == network_name:
+            id = n['id']
+            break
+    return id
+
+def check_neutron_net(neutron_client, net_name):
+    for network in neutron_client.list_networks()['networks']:
+        if network['name'] == net_name :
+            for subnet in network['subnets']:
+                return True
+    return False
+
+
+
+def check_internet_connectivity(url='http://www.google.com/'):
+    """
+    Check if there is access to the internet
+    """
+    try:
+        urllib2.urlopen(url, timeout=5)
+        return True
+    except urllib.request.URLError:
+        return False
+
+
+def download_url(url, dest_path):
+    """
+    Download a file to a destination path given a URL
+    """
+    name = url.rsplit('/')[-1]
+    dest = dest_path + name
+    try:
+        response = urllib2.urlopen(url)
+    except (urllib2.HTTPError, urllib2.URLError):
+        return False
+
+    with open(dest, 'wb') as f:
+        f.write(response.read())
+    return True
+
+
+def execute_command(cmd, logger=None):
+    """
+    Execute Linux command
+    """
+    if logger:
+        logger.debug('Executing command : {}'.format(cmd))
+    output_file = "output.txt"
+    f = open(output_file, 'w+')
+    p = subprocess.call(cmd,shell=True, stdout=f, stderr=subprocess.STDOUT)
+    f.close()
+    f = open(output_file, 'r')
+    result = f.read()
+    if result != "" and logger:
+        logger.debug(result)
+    if p == 0 :
+        return True
+    else:
+        if loger:
+            logger.error("Error when executing command %s" %cmd)
+        exit(-1)
diff --git a/testcases/vPing/CI/libraries/vPing.py b/testcases/vPing/CI/libraries/vPing.py
index e1415535..379bf969 100644
--- a/testcases/vPing/CI/libraries/vPing.py
+++ b/testcases/vPing/CI/libraries/vPing.py
@@ -13,9 +13,10 @@
 # Note: this is script works only with Ubuntu image, not with Cirros image
 #
 
-import os, time, subprocess, logging, argparse, yaml
-import pprint
+import os, time, subprocess, logging, argparse, yaml, pprint, sys
 import novaclient.v2.client as novaclient
+from neutronclient.v2_0 import client as neutronclient
+
 pp = pprint.PrettyPrinter(indent=4)
 
 
@@ -24,6 +25,9 @@ parser.add_argument("repo_path", help="Path to the repository")
 parser.add_argument("-d", "--debug", help="Debug mode",  action="store_true")
 args = parser.parse_args()
 
+sys.path.append(args.repo_path + "testcases/")
+import functest_utils
+
 """ logging configuration """
 logger = logging.getLogger('vPing')
 logger.setLevel(logging.DEBUG)
@@ -43,66 +47,33 @@ with open(args.repo_path+"testcases/config_functest.yaml") as f:
     functest_yaml = yaml.safe_load(f)
 f.close()
 
+# vPing parameters
 VM_BOOT_TIMEOUT = 180
+VM_DELETE_TIMEOUT = 100
 PING_TIMEOUT = functest_yaml.get("vping").get("ping_timeout")
 NAME_VM_1 = functest_yaml.get("vping").get("vm_name_1")
 NAME_VM_2 = functest_yaml.get("vping").get("vm_name_2")
 GLANCE_IMAGE_NAME = functest_yaml.get("general").get("openstack").get("image_name")
-NEUTRON_PRIVATE_NET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_net_name")
 FLAVOR = functest_yaml.get("vping").get("vm_flavor")
 
+# NEUTRON Private Network parameters
+NEUTRON_PRIVATE_NET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_net_name")
+NEUTRON_PRIVATE_SUBNET_NAME = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_name")
+NEUTRON_PRIVATE_SUBNET_CIDR = functest_yaml.get("general").get("openstack").get("neutron_private_subnet_cidr")
+NEUTRON_ROUTER_NAME = functest_yaml.get("general").get("openstack").get("neutron_router_name")
+
 
 def pMsg(value):
     """pretty printing"""
     pp.pprint(value)
 
-def print_title(title):
-    """Print titles"""
-    print "\n"+"#"*40+"\n# "+title+"\n"+"#"*40+"\n"
-
-def get_credentials(service):
-    """Returns a creds dictionary filled with the following keys:
-    * username
-    * password/api_key (depending on the service)
-    * tenant_name/project_id (depending on the service)
-    * auth_url
-    :param service: a string indicating the name of the service
-                    requesting the credentials.
-    """
-    #TODO: get credentials from the openrc file
-    creds = {}
-    # Unfortunately, each of the OpenStack client will request slightly
-    # different entries in their credentials dict.
-    if service.lower() in ("nova", "cinder"):
-        password = "api_key"
-        tenant = "project_id"
-    else:
-        password = "password"
-        tenant = "tenant_name"
-
-    # The most common way to pass these info to the script is to do it through
-    # environment variables.
-    creds.update({
-        "username": os.environ.get('OS_USERNAME', "admin"),								# add your cloud username details
-        password: os.environ.get("OS_PASSWORD", 'admin'),								# add password
-        "auth_url": os.environ.get("OS_AUTH_URL","http://192.168.20.71:5000/v2.0"),		# Auth URL
-        tenant: os.environ.get("OS_TENANT_NAME", "admin"),
-    })
-
-    return creds
-
-
-def get_server(creds, servername):
-    nova = novaclient.Client(**creds)
-    return nova.servers.find(name=servername)
-
 
 def waitVmActive(nova,vm):
     # sleep and wait for VM status change
     sleep_time = 3
     count = VM_BOOT_TIMEOUT / sleep_time
     while True:
-        status = get_status(nova,vm)
+        status = functest_utils.get_instance_status(nova,vm)
         logger.debug("Status: %s" % status)
         if status == "ACTIVE":
             return True
@@ -112,14 +83,106 @@ def waitVmActive(nova,vm):
         time.sleep(sleep_time)
     return False
 
-def get_status(nova,vm):
-    vm = nova.servers.get(vm.id)
-    return vm.status
+def waitVmDeleted(nova,vm):
+    # sleep and wait for VM status change
+    sleep_time = 3
+    count = VM_DELETE_TIMEOUT / sleep_time
+    while True:
+        status = functest_utils.get_instance_status(nova,vm)
+        if not status:
+            return True
+        elif count == 0:
+            logger.debug("Timeout")
+            return False
+        else:
+            #return False
+            count-=1
+        time.sleep(sleep_time)
+    return False
+
+
+def create_private_neutron_net(neutron):
+    neutron.format = 'json'
+    logger.info('Creating neutron network %s...' % NEUTRON_PRIVATE_NET_NAME)
+    network_id = functest_utils.create_neutron_net(neutron, NEUTRON_PRIVATE_NET_NAME)
+    if not network_id:
+        return False
+    logger.debug("Network '%s' created successfully" % network_id)
+
+    logger.debug('Creating Subnet....')
+    subnet_id = functest_utils.create_neutron_subnet(neutron, NEUTRON_PRIVATE_SUBNET_NAME, NEUTRON_PRIVATE_SUBNET_CIDR, network_id)
+    if not subnet_id:
+        return False
+    logger.debug("Subnet '%s' created successfully" % subnet_id)
+
+    logger.debug('Creating Router...')
+    router_id = functest_utils.create_neutron_router(neutron, NEUTRON_ROUTER_NAME)
+    if not router_id:
+        return False
+    logger.debug("Router '%s' created successfully" % router_id)
+
+    logger.debug('Adding router to subnet...')
+    result = functest_utils.add_interface_router(neutron, router_id, subnet_id)
+    if not result:
+        return False
+    logger.debug("Interface added successfully.")
+
+    network_dic = {'net_id' : network_id,
+                  'subnet_id' : subnet_id,
+                  'router_id' : router_id}
+    return network_dic
+
+
+def cleanup(nova,neutron,network_dic):
+    # delete both VMs
+    logger.info("Deleting Instances...")
+    logger.debug("Deleting '%s'..." %NAME_VM_1)
+    vm1 = nova.servers.find(name=NAME_VM_1)
+    nova.servers.delete(vm1)
+    #wait until VMs are deleted
+    if not waitVmDeleted(nova,vm1):
+        logger.error("Instance '%s' with cannot be deleted. Status is '%s'" % (NAME_VM_1,functest_utils.get_instance_status(nova_client,vm1)))
+    else:
+        logger.debug("Instance %s terminated." % NAME_VM_1)
+
+    logger.debug("Deleting '%s'..." %NAME_VM_2)
+    vm2 = nova.servers.find(name=NAME_VM_2)
+    nova.servers.delete(vm2)
+    if not waitVmDeleted(nova,vm2):
+        logger.error("Instance '%s' with cannot be deleted. Status is '%s'" % (NAME_VM_2,functest_utils.get_instance_status(nova_client,vm2)))
+    else:
+        logger.debug("Instance %s terminated." % NAME_VM_2)
+
+    # delete created network
+    logger.info("Deleting network '%s'..." % NEUTRON_PRIVATE_NET_NAME)
+    net_id=network_dic["net_id"]
+    subnet_id=network_dic["subnet_id"]
+    router_id=network_dic["router_id"]
+    if not functest_utils.remove_interface_router(neutron, router_id, subnet_id):
+       logger.error("Unable to remove subnet '%s' from router '%s'" %(subnet_id,router_id))
+       return False
+    logger.debug("Interface removed successfully")
+    if not functest_utils.delete_neutron_router(neutron, router_id):
+        logger.error("Unable to delete router '%s'" %router_id)
+        return False
+    logger.debug("Router deleted successfully")
+    if not functest_utils.delete_neutron_subnet(neutron, subnet_id):
+        logger.error("Unable to delete subnet '%s'" %subnet_id)
+        return False
+    logger.debug("Subnet '%s' deleted successfully" %NEUTRON_PRIVATE_SUBNET_NAME)
+    if not functest_utils.delete_neutron_net(neutron, net_id):
+        logger.error("Unable to delete network '%s'" %net_id)
+        return False
+    logger.debug("Network '%s' deleted successfully" %NEUTRON_PRIVATE_NET_NAME)
+    return True
+
 
 
 def main():
-    creds = get_credentials("nova")
-    nova = novaclient.Client(**creds)
+    creds_nova = functest_utils.get_credentials("nova")
+    nova_client = novaclient.Client(**creds_nova)
+    creds_neutron = functest_utils.get_credentials("neutron")
+    neutron_client = neutronclient.Client(**creds_neutron)
     EXIT_CODE = -1
     image = None
     network = None
@@ -127,69 +190,66 @@ def main():
 
     # Check if the given image exists
     try:
-        image = nova.images.find(name = GLANCE_IMAGE_NAME)
+        image = nova_client.images.find(name = GLANCE_IMAGE_NAME)
         logger.info("Glance image found '%s'" % GLANCE_IMAGE_NAME)
     except:
         logger.error("ERROR: Glance image '%s' not found." % GLANCE_IMAGE_NAME)
         logger.info("Available images are: ")
-        pMsg(nova.images.list())
+        pMsg(nova_client.images.list())
         exit(-1)
 
-    # Check if the given neutron network exists
-    try:
-        network = nova.networks.find(label = NEUTRON_PRIVATE_NET_NAME)
-        logger.info("Network found '%s'" % NEUTRON_PRIVATE_NET_NAME)
-    except:
-        logger.error("Neutron network '%s' not found." % NEUTRON_PRIVATE_NET_NAME)
-        logger.info("Available networks are: ")
-        pMsg(nova.networks.list())
+    network_dic = create_private_neutron_net(neutron_client)
+    if not network_dic:
+        logger.error("There has been a problem when creating the neutron network")
         exit(-1)
 
+    network_id = network_dic["net_id"]
+
     # Check if the given flavor exists
     try:
-        flavor = nova.flavors.find(name = FLAVOR)
+        flavor = nova_client.flavors.find(name = FLAVOR)
         logger.info("Flavor found '%s'" % FLAVOR)
     except:
         logger.error("Flavor '%s' not found." % FLAVOR)
         logger.info("Available flavors are: ")
-        pMsg(nova.flavor.list())
+        pMsg(nova_client.flavor.list())
         exit(-1)
 
 
     # Deleting instances if they exist
-    servers=nova.servers.list()
+    servers=nova_client.servers.list()
     for server in servers:
         if server.name == NAME_VM_1 or server.name == NAME_VM_2:
             logger.info("Instance %s found. Deleting..." %server.name)
             server.delete()
 
 
-
     # boot VM 1
     # basic boot
     # tune (e.g. flavor, images, network) to your specific openstack configuration here
 
     # create VM
     logger.info("Creating instance '%s'..." % NAME_VM_1)
-    logger.debug("Configuration:\n name=%s \n flavor=%s \n image=%s \n network=%s \n" %(NAME_VM_1,flavor,image,network))
-    vm1 = nova.servers.create(
+    logger.debug("Configuration:\n name=%s \n flavor=%s \n image=%s \n network=%s \n" %(NAME_VM_1,flavor,image,network_id))
+    vm1 = nova_client.servers.create(
         name               = NAME_VM_1,
         flavor             = flavor,
         image              = image,
-        nics               = [{"net-id": network.id}]
+        nics               = [{"net-id": network_id}]
     )
 
 
     #wait until VM status is active
-    if not waitVmActive(nova,vm1):
-        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (NAME_VM_1,get_status(nova,vm1)))
+    if not waitVmActive(nova_client,vm1):
+        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (NAME_VM_1,functest_utils.get_instance_status(nova_client,vm1)))
+        cleanup(nova_client,neutron_client,network_dic)
         return (EXIT_CODE)
     else:
         logger.info("Instance '%s' is ACTIVE." % NAME_VM_1)
 
     #retrieve IP of first VM
     logger.debug("Fetching IP...")
-    server = get_server(creds, NAME_VM_1)
+    server = functest_utils.get_instance_by_name(nova_client, NAME_VM_1)
     # theoretically there is only one IP address so we take the first element of the table
     # Dangerous! To be improved!
     test_ip = server.networks.get(NEUTRON_PRIVATE_NET_NAME)[0]
@@ -203,21 +263,23 @@ def main():
 
     # create VM
     logger.info("Creating instance '%s'..." % NAME_VM_2)
-    logger.debug("Configuration:\n name=%s \n flavor=%s \n image=%s \n network=%s \n userdata= \n%s" %(NAME_VM_2,flavor,image,network,u))
-    vm2 = nova.servers.create(
+    logger.debug("Configuration:\n name=%s \n flavor=%s \n image=%s \n network=%s \n userdata= \n%s" %(NAME_VM_2,flavor,image,network_id,u))
+    vm2 = nova_client.servers.create(
         name               = NAME_VM_2,
         flavor             = flavor,
         image              = image,
-        nics               = [{"net-id": network.id}],
+        nics               = [{"net-id": network_id}],
         userdata           = u,
     )
 
-    if not waitVmActive(nova,vm2):
-        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (NAME_VM_2,get_status(nova,vm2)))
+    if not waitVmActive(nova_client,vm2):
+        logger.error("Instance '%s' cannot be booted. Status is '%s'" % (NAME_VM_2,functest_utils.get_instance_status(nova_client,vm2)))
+        cleanup(nova_client,neutron_client,network_dic)
         return (EXIT_CODE)
     else:
         logger.info("Instance '%s' is ACTIVE." % NAME_VM_2)
 
+    logger.info("Waiting for ping...")
     sec = 0
     console_log = vm2.get_console_output()
     while True:
@@ -226,23 +288,17 @@ def main():
         #print "--"+console_log
         # report if the test is failed
         if "vPing OK" in console_log:
-            logger.info("vPing is OK")
+            logger.info("vPing detected!")
             EXIT_CODE = 0
             break
-        else:
-            logger.info("No vPing detected...")
-        sec+=1
-        if sec == PING_TIMEOUT:
+        elif sec == PING_TIMEOUT:
             logger.info("Timeout reached.")
             break
+        else:
+            logger.debug("No vPing detected...")
+        sec+=1
 
-
-    # delete both VMs
-    logger.debug("Deleting Instances...")
-    nova.servers.delete(vm1)
-    logger.debug("Instance %s terminated." % NAME_VM_1)
-    nova.servers.delete(vm2)
-    logger.debug("Instance %s terminated." % NAME_VM_2)
+    cleanup(nova_client,neutron_client,network_dic)
 
     if EXIT_CODE == 0:
         logger.info("vPing OK")