--- /dev/null
+# 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.
+
+*** Settings ***
+Documentation [BASIC-20] Manual VDU Scaling to test juju applications are scaling for native charms (testing Bug-1609).
+
+Library OperatingSystem
+Library String
+Library Collections
+
+Resource %{ROBOT_DEVOPS_FOLDER}/lib/vnfd_lib.robot
+Resource %{ROBOT_DEVOPS_FOLDER}/lib/nsd_lib.robot
+Resource %{ROBOT_DEVOPS_FOLDER}/lib/ns_lib.robot
+Resource %{ROBOT_DEVOPS_FOLDER}/lib/ssh_lib.robot
+
+Force Tags basic_20 cluster_main daily regression
+
+Suite Teardown Run Keyword And Ignore Error Suite Cleanup
+
+
+*** Variables ***
+# NS and VNF descriptor package folder and ids
+${vnfd_pkg} charm-packages/native_manual_scale_charm_vnf
+${vnfd_name} native_manual_scale_charm-vnf
+${nsd_pkg} charm-packages/native_manual_scale_charm_ns
+${nsd_name} native_manual_scale_charm-ns
+
+# NS instance name and configuration
+${ns_name} basic_20_manual_vdu_scaling_test
+${ns_config} {vld: [ {name: mgmtnet, vim-network-name: %{VIM_MGMT_NET}} ] }
+${vnf_member_index} 1
+
+# SSH public key file
+${publickey} %{HOME}/.ssh/id_rsa.pub
+
+# Scaling group name of VDU instances
+${scaling_group} manual-scaling_mgmtVM
+
+*** Test Cases ***
+Create VNF Descriptor
+
+ Create VNFD '%{PACKAGES_FOLDER}/${vnfd_pkg}'
+
+Create NS Descriptor
+
+ Create NSD '%{PACKAGES_FOLDER}/${nsd_pkg}'
+
+
+Instantiate Network Service
+
+ ${id}= Create Network Service ${nsd_name} %{VIM_TARGET} ${ns_name} ${ns_config} ${publickey}
+ Set Suite Variable ${ns_id} ${id}
+
+
+Get Vnf Id
+
+ Variable Should Exist ${ns_id} msg=Network service instance is not available
+ @{vnfr_list}= Get Ns Vnfr Ids ${ns_id}
+ Log List ${vnfr_list}
+ Set Suite Variable ${vnf_id} ${vnfr_list}[0]
+
+
+Get Vdus Before Scale Out
+ [Documentation] Get the number of VDU records before the manual scaling.
+
+ @{vdur_list}= Get Vnf Vdur Names ${vnf_id}
+ Log List ${vdur_list}
+ ${vdurs}= Get Length ${vdur_list}
+ Set Suite Variable ${initial_vdur_count} ${vdurs}
+
+
+Get Application Name Before Scale Out
+ [Documentation] Get the application names.
+
+ @{name_list}= Get Application Names ${ns_name}
+ Log List ${name_list}
+ Set Suite Variable ${application_list} ${name_list}
+
+
+Check Number of Duplicated Application Name Before Scale Out
+ [Documentation] Check the application names if there are 2 application name in the application list.
+
+ ${count_duplicated}= Get Length ${application_list}
+ Run Keyword Unless ${count_duplicated} == 2 Fail msg=There are not 2 application name in the application list before Scale Out
+
+
+Check Number of not Duplicated Application Name Before Scale Out
+ [Documentation] Check the application if there is only one application in the Juju model.
+
+ ${app_list}= Remove Duplicates ${application_list}
+ Log List ${app_list}
+ ${count}= Get Length ${app_list}
+ Run Keyword Unless 1 == ${count} Fail msg=There is not only 1 application in the Juju model before Scale Out
+
+
+Perform Manual Vdu Scale Out
+
+ Variable Should Exist ${ns_id} msg=Network service instance is not available
+ ${ns_op_id}= Execute Manual VNF Scale ${ns_name} ${vnf_member_index} ${scaling_group} SCALE_OUT
+
+
+Check Vdus After Scale Out
+ [Documentation] Check whether there is one more VDU after scaling or not.
+
+ Variable Should Exist ${ns_id} msg=Network service instance is not available
+ @{vdur_list}= Get Vnf Vdur Names ${vnf_id}
+ Log List ${vdur_list}
+ ${vdurs}= Get Length ${vdur_list}
+ Run Keyword Unless ${vdurs} == ${initial_vdur_count} + 1 Fail msg=There is no new VDU records in the VNF after Scale Out
+
+
+Get Application Name After Scale Out
+ [Documentation] Get the application names.
+
+ @{name_list}= Get Application Names ${ns_name}
+ Log List ${name_list}
+ Set Suite Variable ${application_list} ${name_list}
+
+
+Check Number of Duplicated Application Name After Scale Out
+ [Documentation] Check the application names if there are 3 application name in the application list.
+
+ ${count_duplicated}= Get Length ${application_list}
+ Run Keyword Unless ${count_duplicated} == 3 Fail msg=There are not 2 application name in the application list after Scale Out
+
+
+Check Number of not Duplicated Application Name After Scale Out
+ [Documentation] Check the application if there is only one application in the Juju model.
+
+ ${app_list}= Remove Duplicates ${application_list}
+ Log List ${app_list}
+ ${count}= Get Length ${app_list}
+ Run Keyword Unless 1 == ${count} Fail msg=There is not only 1 application in the Juju model after Scale Out
+
+
+Perform Manual Vdu Scale In
+
+ Variable Should Exist ${ns_id} msg=Network service instance is not available
+ ${ns_op_id}= Execute Manual VNF Scale ${ns_name} ${vnf_member_index} ${scaling_group} SCALE_IN
+
+
+Check Vdus After Scaling In
+ [Documentation] Check whether there is one less VDU after scaling or not.
+
+ Variable Should Exist ${ns_id} msg=Network service instance is not available
+ @{vdur_list}= Get Vnf Vdur Names ${vnf_id}
+ Log List ${vdur_list}
+ ${vdurs}= Get Length ${vdur_list}
+ Run Keyword Unless ${vdurs} == ${initial_vdur_count} Fail msg=There is the same number of VDU records in the VNF after Scale In
+
+
+Get Application Name After Scale In
+ [Documentation] Get the application names.
+
+ @{name_list}= Get Application Names ${ns_name}
+ Log List ${name_list}
+ Set Suite Variable ${application_list} ${name_list}
+
+
+Check Number of Duplicated Application Name After Scale In
+ [Documentation] Check the application names if there are 2 application name in the application list.
+
+ ${count_duplicated}= Get Length ${application_list}
+ Run Keyword Unless ${count_duplicated} == 2 Fail msg=There are not 2 application name in the application list after Scale In
+
+
+Check Number of not Duplicated Application Name After Scale In
+ [Documentation] Check the application if there is only one application in the Juju model.
+
+ ${app_list}= Remove Duplicates ${application_list}
+ Log List ${app_list}
+ ${count}= Get Length ${app_list}
+ Run Keyword Unless 1 == ${count} Fail msg=There is not only 1 application in the Juju model after Scale In
+
+
+Delete NS Instance
+ [Tags] cleanup
+
+ Delete NS ${ns_name}
+
+
+Delete NS Descriptor
+ [Tags] cleanup
+
+ Delete NSD ${nsd_name}
+
+
+Delete VNF Descriptor
+ [Tags] cleanup
+
+ Delete VNFD ${vnfd_name}
+
+
+*** Keywords ***
+Suite Cleanup
+ [Documentation] Test Suite Cleanup: Deleting descriptors and NS instance
+
+ Run Keyword If Any Tests Failed Delete NS ${ns_name}
+
+ Run Keyword If Any Tests Failed Delete NSD ${nsd_name}
+
+ Run Keyword If Any Tests Failed Delete VNFD ${vnfd_name}
+