TEST-4 Re-factor openstack region variable

Change-Id: Iad9ef0555dbbd921e261bfa2a63806100bcf7c83
Signed-off-by: jf9860 <jf9860@att.com>
diff --git a/robot/resources/stack_validation/policy_check_vfw.robot b/robot/resources/stack_validation/policy_check_vfw.robot
index 10b2584..126f437 100644
--- a/robot/resources/stack_validation/policy_check_vfw.robot
+++ b/robot/resources/stack_validation/policy_check_vfw.robot
@@ -25,73 +25,73 @@
 
 *** Keywords ***
 Policy Check Firewall Stack
-    [Documentation]    Identifies the firewall servers in the VFW Stack in the GLOBAL_OPENSTACK_SERVICE_REGION
-    [Arguments]    ${stack_name}    ${policy_rate}        
+    [Documentation]    Executes the vFW policy closed loop test.
+    [Arguments]    ${stack_name}    ${policy_rate}
     Run Openstack Auth Request    auth
     ${stack_info}=    Wait for Stack to Be Deployed    auth    ${stack_name}
     ${stack_id}=    Get From Dictionary    ${stack_info}    id
-    ${server_list}=    Get Openstack Servers    auth 
+    ${server_list}=    Get Openstack Servers    auth
     Log     ${server_list}
     ${vpg_unprotected_ip}=    Get From Dictionary    ${stack_info}    vpg_private_ip_0
     ${vsn_protected_ip}=    Get From Dictionary    ${stack_info}    vsn_private_ip_0
-    ${vpg_public_ip}=    Get Server Ip    ${server_list}    ${stack_info}   vpg_name_0    network_name=public     
+    ${vpg_public_ip}=    Get Server Ip    ${server_list}    ${stack_info}   vpg_name_0    network_name=public
     ${vsn_public_ip}=    Get Server Ip    ${server_list}    ${stack_info}   vsn_name_0    network_name=public
     ${upper_bound}=    Evaluate    ${policy_rate}*2
     Wait Until Keyword Succeeds    300s    1s    Run VFW Policy Check    ${vpg_public_ip}   ${policy_rate}    ${upper_bound}    1
 
 Run VFW Policy Check
-    [Documentation]     Push traffic above upper bound, wait for policy to fix it, push traffic to lower bound, wait for policy to fix it, 
+    [Documentation]     Push traffic above upper bound, wait for policy to fix it, push traffic to lower bound, wait for policy to fix it,
     [Arguments]    ${vpg_public_ip}    ${policy_rate}    ${upper_bound}    ${lower_bound}
     # Force traffic above threshold
     Check For Policy Enforcement    ${vpg_public_ip}    ${policy_rate}    ${upper_bound}
     # Force traffic below threshold
     Check For Policy Enforcement    ${vpg_public_ip}    ${policy_rate}    ${lower_bound}
 
- 
+
 Check For Policy Enforcement
-    [Documentation]     Push traffic above upper bound, wait for policy to fix it, push traffic to lower bound, wait for policy to fix it, 
+    [Documentation]     Push traffic above upper bound, wait for policy to fix it, push traffic to lower bound, wait for policy to fix it,
     [Arguments]    ${vpg_public_ip}    ${policy_rate}    ${forced_rate}
     Enable Streams    ${vpg_public_ip}    ${forced_rate}
     Wait Until Keyword Succeeds    20s    5s    Test For Expected Rate    ${vpg_public_ip}    ${forced_rate}
     Wait Until Keyword Succeeds    280s    5s    Test For Expected Rate    ${vpg_public_ip}    ${policy_rate}
 
 Test For Expected Rate
-    [Documentation]    Ge the number of pg-streams from the PGN, and test to see if it is what we expect.    
+    [Documentation]    Ge the number of pg-streams from the PGN, and test to see if it is what we expect.
     [Arguments]    ${vpg_public_ip}    ${number_of_streams}
     ${list}=    Get List Of Enabled Streams    ${vpg_public_ip}
     ${list}=    Evaluate   ${list['sample-plugin']}['pg-streams']['pg-stream']
-    Length Should Be    ${list}    ${number_of_streams}     
+    Length Should Be    ${list}    ${number_of_streams}
 
 
 
 Policy Check vLB Stack
-    [Documentation]    Identifies the firewall servers in the VFW Stack in the GLOBAL_OPENSTACK_SERVICE_REGION
-    [Arguments]    ${stack_name}    ${policy_rate}        
+    [Documentation]    Executes the vLB policy closed loop test
+    [Arguments]    ${stack_name}    ${policy_rate}
     Run Openstack Auth Request    auth
     ${stack_info}=    Wait for Stack to Be Deployed    auth    ${stack_name}
     ${stack_id}=    Get From Dictionary    ${stack_info}    id
-    ${server_list}=    Get Openstack Servers    auth 
-    ${vlb_public_ip}=    Get Server Ip    ${server_list}    ${stack_info}   vlb_name_0    network_name=public     
+    ${server_list}=    Get Openstack Servers    auth
+    ${vlb_public_ip}=    Get Server Ip    ${server_list}    ${stack_info}   vlb_name_0    network_name=public
     ${upper_bound}=    Evaluate    ${policy_rate}*2
-    Start DNS Traffic    ${vlb_public_ip}    ${upper_bound}   
+    Start DNS Traffic    ${vlb_public_ip}    ${upper_bound}
 
     # Now wiat for the dnsscaling stack to be deployed
     ${prefix}=    Get DNSScaling Prefix
-    ${dnsscaling}=    Replace String Using Regexp    ${stack_name}    ^Vfmodule_    ${prefix}    
+    ${dnsscaling}=    Replace String Using Regexp    ${stack_name}    ^Vfmodule_    ${prefix}
     ${dnsscaling_info}=    Wait for Stack to Be Deployed    auth    ${dnsscaling}
     VLB Closed Loop Hack Update   ${dnsscaling}
     # TO DO: Log into vLB and cehck that traffic is flowing to the new DNS
-    [Return]    ${dnsscaling}   
+    [Return]    ${dnsscaling}
 
 Get DNSScaling Prefix
     ${mapping}=    Get From Dictionary   ${GLOBAL_SERVICE_TEMPLATE_MAPPING}   vLB
     :for   ${dict}    in   @{mapping}
     \    Return From Keyword If    '${dict['isBase']}' == 'false'    ${dict['prefix']}
     [Return]   None
-    
+
 
 Start DNS Traffic
     [Documentation]   Run nslookups at rate per second. Run for 10 minutes or until it is called by the terminate process
     [Arguments]    ${vlb_public_ip}    ${rate}
     ${pid}=   Start Process   ./dnstraffic.sh   ${vlb_public_ip}   ${rate}   ${GLOBAL_DNS_TRAFFIC_DURATION}
-    [Return]    ${pid} 
\ No newline at end of file
+    [Return]    ${pid}
\ No newline at end of file