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+*** Comments ***
+#   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   Library providing keywords to interact with Openstack with openstack client.
+
+Library   OperatingSystem
+Library   String
+
+Resource   ns_lib.resource
+Resource   vnf_lib.resource
+
+
+*** Variables ***
+${SUCCESS_RETURN_CODE}   0
+
+
+*** Keywords ***
+Get Server Flavor ID
+    [Documentation]   Get from Openstack the flavor id of a server/VM passed as argument.
+    [Arguments]   ${server_id}
+    Should Not Be Empty   ${server_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server show ${server_id} | grep flavor | awk 'NR>1{print $1}' RS='(' FS=')'
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Get Flavor Properties
+    [Documentation]   Get from Openstack the properties of a flavor passed as argument.
+    [Arguments]   ${flavor_id}
+    Should Not Be Empty   ${flavor_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack flavor show ${flavor_id} | grep properties | awk -F '|' '{print $3}'
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Check NS Servers In VIM
+    [Documentation]   Check if the number of servers in Openstack by filtering by NS name is as expected.
+    [Arguments]   ${ns_name}   ${number}
+    Should Not Be Empty   ${ns_name}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server list | grep ${ns_name} | awk '{print $4}'
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    @{servers}=   Split String   ${stdout}
+    ${n_servers}=   Get Length   ${servers}
+    Should Be Equal As Integers   ${number}   ${n_servers}
+
+Check If Volume Bootable
+    [Documentation]   Check the volume properties and return whether it is bootable or not.
+    [Arguments]   ${volume_id}
+    Should Not Be Empty   ${volume_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack volume show ${volume_id} | grep bootable | awk '{print $4}'
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Get Project Quota
+    [Documentation]   Get a field (ram, cores, ports, etc.) from quota in current project.
+    [Arguments]   ${field}
+    Should Not Be Empty   ${field}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack quota show -f yaml | yq '.[] | select(.Resource=="${field}") | .Limit'
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Get Server Property
+    [Documentation]   Get a field (flavor, image, volumes_attached, etc.) from a server.
+    [Arguments]   ${server_id}   ${field}
+    Should Not Be Empty   ${server_id}
+    Should Not Be Empty   ${field}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server show ${server_id} -c ${field} -f value
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Check VM In Server Group
+    [Documentation]   Check if a given server is included in an Openstack server group
+    [Arguments]   ${server_id}   ${server_group_name}
+    Should Not Be Empty   ${server_group_name}
+    Should Not Be Empty   ${server_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server group show ${server_group_name} -c members -f value
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    Should Contain   ${stdout}   ${server_id}
+
+Set Volume Id
+    [Documentation]   Sets the root volume ID and ordinary volume ID by checking bootable property of volumes
+    [Arguments]   ${volume_match}   ${index}
+    Should Not Be Empty   ${volume_match}   ${index}
+    ${bootable}=   Check If Volume Bootable   ${volume_match}[${index}]
+    IF   ${bootable}=='true'
+        Set Suite Variable   ${ROOT_VOL_ID}   ${volume_match}[${index}]
+        IF   not ${index}
+            Set Suite Variable   ${ORDINARY_VOL_ID}   ${volume_match}[1]
+        ELSE
+            Set Suite Variable   ${ORDINARY_VOL_ID}   ${volume_match}[0]
+        END
+    END
+
+Get Persistent Volumes Attached To Vm
+    [Documentation]   Sets the root volume ID and ordinary volume ID by checking bootable property of volumes
+    [Arguments]   ${ns_id}
+    Variable Should Exist   ${ns_id}   msg=NS is not available
+    ${vnfs_list}=   Get Ns Vnf List   ${ns_id}
+    ${vim_id}=   Get VNF VIM ID   ${vnfs_list}[0]
+    ${volumes_attached}=   Get Server Property   ${vim_id}   volumes_attached
+    Log   ${volumes_attached}
+    ${stdout}=   Get Regexp Matches   ${volumes_attached}   '([0-9a-f\-]+)'   1
+    Log   ${stdout}
+    RETURN   ${stdout}
+
+Check If Volume Exists
+    [Documentation]   Checks if a volume id exists
+    [Arguments]   ${volume_id}
+    Should Not Be Empty   ${volume_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack volume list | grep ${volume_id} | wc -l
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Delete Volume
+    [Documentation]   Delete a volume by its identifier
+    [Arguments]   ${volume_id}
+    Should Not Be Empty   ${volume_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack volume delete ${volume_id}
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Get Subnet
+    [Documentation]   Get subnet information in JSON format
+    [Arguments]   ${subnet_id}
+    Should Not Be Empty   ${subnet_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack subnet show ${subnet_id} -f json
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Stop Server
+    [Documentation]   Stop a server
+    [Arguments]   ${server_id}
+    Should Not Be Empty   ${server_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server stop ${server_id}
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Halt Server
+    [Documentation]   Reset a server
+    [Arguments]   ${server_id}
+    Should Not Be Empty   ${server_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server set --state error ${server_id}
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Delete Server
+    [Documentation]   Delete a server
+    [Arguments]   ${server_id}
+    Should Not Be Empty   ${server_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack server delete ${server_id}
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}
+
+Create Flavor
+    [Documentation]   Create a Flavor
+    [Arguments]   ${flavor_name}   ${cpu}=1   ${ram}=1024   ${disk}=10
+    Should Not Be Empty   ${flavor_name}
+    ${rc}   ${flavor_id}=   Run And Return Rc And Output   openstack flavor create ${flavor_name} --ram ${ram} --disk ${disk} --vcpus ${cpu} -c id -f value
+    Log   ${flavor_id}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${flavor_id}
+
+Delete Flavor
+    [Documentation]   Delete a Flavor
+    [Arguments]   ${flavor_id}
+    Should Not Be Empty   ${flavor_id}
+    ${rc}   ${stdout}=   Run And Return Rc And Output   openstack flavor delete ${flavor_id}
+    Log   ${stdout}
+    Should Be Equal As Integers   ${rc}   ${SUCCESS_RETURN_CODE}
+    RETURN   ${stdout}