stop hardcoded FUNCTEST_REPO path everywhere

functest repo is used by almost every testcase, each place we get it like:
REPOS_DIR = os.getenv('repos_dir')
FUNCTEST_REPO = ("%s/functest" % REPOS_DIR)
provide a common interface in functest_util.py

JIRA: FUNCTEST-453

Change-Id: Ie0635dacc761ed2d05b7e606530368844f32ebaf
Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>
(cherry picked from commit 470f573a3ac2eb1783efec6da01a3bee33360c65)

4 files changed, 7 insertions, 14 deletions

diff --git a/testcases/OpenStack/examples/create_instance_and_ip.py b/testcases/OpenStack/examples/create_instance_and_ip.py
index 92a3df6b5..3d41e5dde 100755
--- a/testcases/OpenStack/examples/create_instance_and_ip.py
+++ b/testcases/OpenStack/examples/create_instance_and_ip.py
@@ -28,7 +28,6 @@ args = parser.parse_args()
 """ logging configuration """
 logger = ft_logger.Logger("create_instance_and_ip").getLogger()
 
-REPO_PATH = os.environ['repos_dir'] + '/functest/'
 HOME = os.environ['HOME'] + "/"
 
 VM_BOOT_TIMEOUT = 180
diff --git a/testcases/OpenStack/rally/run_rally-cert.py b/testcases/OpenStack/rally/run_rally-cert.py
index 43096c19e..b77cbdf54 100755
--- a/testcases/OpenStack/rally/run_rally-cert.py
+++ b/testcases/OpenStack/rally/run_rally-cert.py
@@ -26,6 +26,7 @@ import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as functest_utils
 import functest.utils.openstack_utils as os_utils
 import iniparse
+from functest.utils.functest_utils import FUNCTEST_REPO as REPO_PATH
 
 tests = ['authenticate', 'glance', 'cinder', 'heat', 'keystone',
          'neutron', 'nova', 'quotas', 'requests', 'vm', 'all']
@@ -69,16 +70,11 @@ else:
 """ logging configuration """
 logger = ft_logger.Logger("run_rally").getLogger()
 
-REPO_PATH = os.environ['repos_dir'] + '/functest/'
-if not os.path.exists(REPO_PATH):
-    logger.error("Functest repository directory not found '%s'" % REPO_PATH)
-    exit(-1)
-
 
 functest_yaml = functest_utils.get_functest_yaml()
 
 HOME = os.environ['HOME'] + "/"
-RALLY_DIR = REPO_PATH + functest_yaml.get("general").get(
+RALLY_DIR = REPO_PATH + '/' + functest_yaml.get("general").get(
     "directories").get("dir_rally")
 TEMPLATE_DIR = RALLY_DIR + "scenario/templates"
 SUPPORT_DIR = RALLY_DIR + "scenario/support"
diff --git a/testcases/OpenStack/tempest/run_tempest.py b/testcases/OpenStack/tempest/run_tempest.py
index fbb65dbb7..390c8a65f 100755
--- a/testcases/OpenStack/tempest/run_tempest.py
+++ b/testcases/OpenStack/tempest/run_tempest.py
@@ -14,7 +14,6 @@
 # http://www.apache.org/licenses/LICENSE-2.0
 #
 import ConfigParser
-import argparse
 import os
 import re
 import shutil
@@ -22,11 +21,12 @@ import subprocess
 import sys
 import time
 
+import argparse
 import functest.utils.functest_logger as ft_logger
 import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
 import yaml
-
+from functest.utils.functest_utils import FUNCTEST_REPO as FUNCTEST_REPO
 
 modes = ['full', 'smoke', 'baremetal', 'compute', 'data_processing',
          'identity', 'image', 'network', 'object_storage', 'orchestration',
@@ -58,8 +58,6 @@ args = parser.parse_args()
 """ logging configuration """
 logger = ft_logger.Logger("run_tempest").getLogger()
 
-REPO_PATH = os.environ['repos_dir'] + '/functest/'
-
 functest_yaml = ft_utils.get_functest_yaml()
 TEST_DB = functest_yaml.get("results").get("test_db_url")
 
@@ -92,6 +90,7 @@ RESULTS_DIR = functest_yaml.get("general").get("directories").get(
 TEMPEST_RESULTS_DIR = RESULTS_DIR + '/tempest'
 TEST_LIST_DIR = functest_yaml.get("general").get("directories").get(
     "dir_tempest_cases")
+REPO_PATH = FUNCTEST_REPO + '/'
 TEMPEST_CUSTOM = REPO_PATH + TEST_LIST_DIR + 'test_list.txt'
 TEMPEST_BLACKLIST = REPO_PATH + TEST_LIST_DIR + 'blacklist.txt'
 TEMPEST_DEFCORE = REPO_PATH + TEST_LIST_DIR + 'defcore_req.txt'
diff --git a/testcases/OpenStack/vPing/vping_util.py b/testcases/OpenStack/vPing/vping_util.py
index 8e9ce23ec..d3ca44139 100644
--- a/testcases/OpenStack/vPing/vping_util.py
+++ b/testcases/OpenStack/vPing/vping_util.py
@@ -7,10 +7,9 @@ import time
 import functest.utils.functest_utils as ft_utils
 import functest.utils.openstack_utils as os_utils
 import paramiko
+from functest.utils.functest_utils import FUNCTEST_REPO as REPO_PATH
 from scp import SCPClient
 
-REPO_PATH = os.environ['repos_dir'] + '/functest/'
-
 functest_yaml = ft_utils.get_functest_yaml()
 
 NAME_VM_1 = functest_yaml.get("vping").get("vm_name_1")
@@ -340,7 +339,7 @@ def transfer_ping_script(ssh, floatip):
     logger.info("Trying to transfer ping.sh to %s..." % floatip)
     scp = SCPClient(ssh.get_transport())
 
-    ping_script = REPO_PATH + "testcases/OpenStack/vPing/ping.sh"
+    ping_script = REPO_PATH + '/' + "testcases/OpenStack/vPing/ping.sh"
     try:
         scp.put(ping_script, "~/")
     except: