--- /dev/null
+# -*- coding: utf-8 -*-
+
+##
+# Copyright 2019 Tech Mahindra Limited
+#
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+##
+
+## Change log:
+# 1. Jayant Madavi, Mrityunjay Yadav : MY00514913@techmahindra.com : 08-nov-2019
+##
+
+*** Variables ***
+${success_return_code} 0
+${delete_max_wait_time} 1min
+${delete_pol_time} 15sec
+${ns_launch_max_wait_time} 5min
+${ns_launch_pol_time} 30sec
+
+
+*** Keywords ***
+Create NST
+ [Documentation] Create nst at osm
+ [Arguments] ${nst_pkg}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nst-create ${nst_pkg}
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ [Return] ${stdout}
+
+
+Delete NST
+ [Documentation] delete nst at osm
+ [Arguments] ${nst}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nst-delete ${nst}
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ [Return] ${stdout}
+
+
+Launch Network Slice Instance
+ [Arguments] ${vim_name} ${nst_name} ${ns_config}=''
+
+ ${nsi_name}= GENERATE NAME
+ Run Keyword If ${ns_config}!='' Create Network Slice With Config ${nsi_name} ${nst_name} ${vim_name} ${ns_config}
+ ... ELSE Create Network Slice Without Config ${nsi_name} ${nst_name} ${vim_name}
+
+ WAIT UNTIL KEYWORD SUCCEEDS ${ns_launch_max_wait_time} ${ns_launch_pol_time} Check For Network Slice Instance To Configured ${nsi_name}
+ Check For Network Slice Instance For Failure ${nsi_name}
+
+
+Create Network Slice With Config
+ [Arguments] ${nsi_name} ${nst_name} ${vim} ${config}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-create --nsi_name ${nsi_name} --nst_name ${nst_name} --vim_account ${vim} --config ${config}
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ Append To List ${nsi_list} ${nsi_name}
+
+
+Create Network Slice Without Config
+ [Arguments] ${nsi_name} ${nst_name} ${vim}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-create --nsi_name ${nsi_name} --nst_name ${nst_name} --vim_account ${vim}
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ Append To List ${nsi_list} ${nsi_name}
+
+
+Check For Network Slice Instance For Failure
+ [Arguments] ${nsi_name}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-list --filter name="${nsi_name}"
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ Should Not Contain ${stdout} failed
+
+
+Check For Network Slice Instance To Configured
+ [Arguments] ${nsi_name}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-list --filter name="${nsi_name}"
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ Should Contain Any ${stdout} configured failed
+
+
+Delete Network Slice Instance
+ [Documentation] Delete ns
+ [Arguments] ${nsi}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-delete ${nsi}
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+
+ WAIT UNTIL KEYWORD SUCCEEDS ${delete_max_wait_time} ${delete_pol_time} Check For NSI Instance To Be Delete ${nsi}
+
+
+Check For NSI Instance To Be Delete
+ [Arguments] ${nsi}
+
+ ${rc} ${stdout}= Run and Return RC and Output osm nsi-list
+ log ${stdout}
+ Should Be Equal As Integers ${rc} ${success_return_code}
+ Should Not Contain ${stdout} ${nsi}