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+# Copyright 2019-present Open Networking Foundation
+#
+# 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.
+
+# voltha common functions
+
+*** Settings ***
+Documentation     Library for various utilities
+Library           SSHLibrary
+Library           HttpLibrary.HTTP
+Library           String
+Library           DateTime
+Library           Process
+Library           Collections
+Library           RequestsLibrary
+Library           OperatingSystem
+
+*** Keywords ***
+Lookup Pod That Owns Device
+    [Arguments]    ${device_id}
+    [Documentation]    Uses a utility script to lookup which RW Core has current ownership of an OLT
+    ${rc}    ${pod}=    Run and Return Rc and Output
+    ...    ../scripts/which_pod_owns_device.sh ${device_id}
+    Should Be Equal as Integers    ${rc}    0
+    [Return]    ${pod}
+
+Lookup Deployment That Owns Device
+    [Arguments]    ${device_id}
+    [Documentation]    Uses a utility script to lookup which RW Core has current ownership of an OLT
+    ${rc}    ${deploy}=    Run and Return Rc and Output
+    ...    which_deployment_owns_device.sh ${device_id}
+    Should Be Equal as Integers    ${rc}    0
+    [Return]    ${deploy}
+
+Restart VOLTHA Port Foward
+    [Arguments]    ${name}
+    [Documentation]    Uses a script to restart a kubectl port-forward
+    ${rc}    ${pid}    Run And Return Rc And Output
+    ...    ps e -ww | grep _TAG=${name} | grep -v grep | awk '{printf(\"%s %s\\n\",$1,$5)}' | grep -v bash | awk '{print $1}'
+    Should Be Equal as Integers    ${rc}    0
+    Run Keyword If    '${pid}' != ''    Run And Return Rc    kill -9 ${pid}
+    Should Be Equal as Integers    ${rc}    0