Reformat Robot files to follow best practices

Best practices in Robot files consist in using three spaces as
separator and not using tabs. This change updates all files
and includes the checking of the format as part of
`devops-stages/stage-test.sh`. In addition, it checks that files
have no CRLF terminators.

Change-Id: Ie71c2dd92585eba3baf98df0be54f05828819ad8
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/lib/nsi_lib.robot b/robot-systest/lib/nsi_lib.robot
index 005d536..5bdd17b 100644
--- a/robot-systest/lib/nsi_lib.robot
+++ b/robot-systest/lib/nsi_lib.robot
@@ -13,7 +13,7 @@
 #   limitations under the License.
 
 *** Settings ***
-Library           Collections
+Library   Collections
 
 
 *** Variables ***
@@ -49,7 +49,7 @@
 
     WAIT UNTIL KEYWORD SUCCEEDS   ${slice_launch_max_wait_time}   ${slice_launch_pol_time}   Check For Network Slice Instance To Configured   ${slice_name}
     Check For Network Slice Instance For Failure   ${slice_name}
-    [Return]  ${nsi_id}
+    [Return]   ${nsi_id}
 
 
 Instantiate Network Slice
@@ -67,7 +67,7 @@
     ${rc}   ${stdout}=   Run and Return RC and Output   osm nsi-create --nsi_name ${slice_name} --nst_name ${nst} --vim_account ${vim_name} ${sshkeys_attr} ${slice_extra_args}
     log   ${stdout}
     Should Be Equal As Integers   ${rc}   ${success_return_code}
-    [Return]  ${stdout}
+    [Return]   ${stdout}
 
 
 Get Slice Ns List
@@ -82,9 +82,9 @@
     Should Not Be Empty   ${slice_name}
     @{ns_list_string}=   Run and Return RC and Output   osm ns-list | grep ${slice_name} | awk '{print $4}' 2>&1
     # Returns a String of ns_id and needs to be converted into a list
-    @{ns_list} =  Split String    ${ns_list_string}[1]
-    Log List    ${ns_list}
-    [Return]  @{ns_list}
+    @{ns_list} =   Split String   ${ns_list_string}[1]
+    Log List   ${ns_list}
+    [Return]   @{ns_list}
 
 
 Get Slice Ns List Except One
@@ -102,9 +102,9 @@
 
     @{ns_list_string}=   Run and Return RC and Output   osm ns-list | grep ${slice_name} | awk '!/${exception_ns}/' | awk '{print $4}' 2>&1
     # Returns a String of ns_id and needs to be converted into a list
-    @{ns_list} =  Split String    ${ns_list_string}[1]
-    Log List    ${ns_list}
-    [Return]  @{ns_list}
+    @{ns_list} =   Split String   ${ns_list_string}[1]
+    Log List   ${ns_list}
+    [Return]   @{ns_list}
 
 
 Get Slice Ns Count
@@ -120,7 +120,7 @@
     ${rc}   ${stdout}=   Run and Return RC and Output   osm ns-list | grep ${slice_name} | wc -l 2>&1
     log   ${stdout}
     Should Be Equal As Integers   ${rc}   ${success_return_code}
-    [Return]  ${stdout}
+    [Return]   ${stdout}
 
 
 Get Slice Vnf Ip Addresses
@@ -133,16 +133,16 @@
     [Arguments]   ${slice_name}
 
     # Get all the ns_id in the slice
-    @{slice_ns_list}  Get Slice Ns List   ${slice_name}
+    @{slice_ns_list}   Get Slice Ns List   ${slice_name}
     log many   @{slice_ns_list}
-    @{temp_list}=    Create List
+    @{temp_list}=   Create List
     # For each ns_id in the list, get all the vnf_id and their IP addresses
     FOR   ${ns_id}   IN   @{slice_ns_list}
         log   ${ns_id}
         @{vnf_id_list}   Get Ns Vnf List   ${ns_id}
         # For each vnf_id in the list, get all its IP addresses
         @{ns_ip_list}   Get Ns Ip List   @{vnf_id_list}
-        @{temp_list}=   Combine Lists   ${temp_list}    ${ns_ip_list}
+        @{temp_list}=   Combine Lists   ${temp_list}   ${ns_ip_list}
     END
     Log List   ${temp_list}
     [Return]   @{temp_list}
@@ -155,7 +155,7 @@
     ...               Execution example:
     ...                  Check For Network Slice Instance To Configured   \${slice_name}
 
-    [Arguments]  ${slice_name}
+    [Arguments]   ${slice_name}
 
     ${rc}   ${stdout}=   Run and Return RC and Output   osm nsi-list --filter name="${slice_name}"
     log   ${stdout}
@@ -170,7 +170,7 @@
     ...               Execution example:
     ...                  Check For Network Slice Instance For Failure   \${slice_name}
 
-    [Arguments]  ${slice_name}
+    [Arguments]   ${slice_name}
 
     ${rc}   ${stdout}=   Run and Return RC and Output   osm nsi-list --filter name="${slice_name}"
     log   ${stdout}
@@ -186,7 +186,7 @@
     ...               Execution example:
     ...                  Delete NST   \${slice_name}
 
-    [Arguments]  ${slice_name}   ${slice_delete_max_wait_time}=4min
+    [Arguments]   ${slice_name}   ${slice_delete_max_wait_time}=4min
 
     ${rc}   ${stdout}=   Run and Return RC and Output   osm nsi-delete ${slice_name}
     log   ${stdout}
@@ -194,7 +194,7 @@
 
     ${slice_delete_max_wait_time}=   Convert Time   ${slice_delete_max_wait_time}   result_format=number
     ${slice_delete_max_wait_time}=   Evaluate   ${slice_delete_max_wait_time} * ${vim_timeout_multiplier}
-    WAIT UNTIL KEYWORD SUCCEEDS  ${slice_delete_max_wait_time}   ${slice_delete_pol_time}   Check For Network Slice Instance To Be Deleted   ${slice_name}
+    WAIT UNTIL KEYWORD SUCCEEDS   ${slice_delete_max_wait_time}   ${slice_delete_pol_time}   Check For Network Slice Instance To Be Deleted   ${slice_name}
 
 
 Check For Network Slice Instance To Be Deleted
@@ -204,7 +204,7 @@
     ...               Execution example:
     ...                  Check For Network Slice Instance   \${slice_name}
 
-    [Arguments]  ${slice_name}
+    [Arguments]   ${slice_name}
 
     ${rc}   ${stdout}=   Run and Return RC and Output   osm nsi-list | awk '{print $2}' | grep ${slice_name}
     Should Not Be Equal As Strings   ${stdout}   ${slice_name}