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# Copyright 2017-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.
# voltctl common functions
*** Settings ***
Documentation Library for various utilities
Library SSHLibrary
Library String
Library DateTime
Library Process
Library Collections
Library RequestsLibrary
Library OperatingSystem
*** Keywords ***
Lookup Service IP
[Arguments] ${namespace} ${name}
[Documentation] Uses kubectl to resolve a service name to an IP
${rc} ${ip}= Run and Return Rc and Output
... kubectl get svc -n ${namespace} ${name} -o jsonpath={.spec.clusterIP}
Should Be Equal as Integers ${rc} 0
[Return] ${ip}
Lookup Service PORT
[Arguments] ${namespace} ${name}
[Documentation] Uses kubectl to resolve a service name to an PORT
${rc} ${port}= Run and Return Rc and Output
... kubectl get svc -n ${namespace} ${name} -o jsonpath={.spec.ports[0].port}
Should Be Equal as Integers ${rc} 0
[Return] ${port}
Restart Pod
[Arguments] ${namespace} ${name}
[Documentation] Uses kubectl to force delete pod
${rc} ${restart_pod_name}= Run and Return Rc and Output
... kubectl get pods -n ${namespace} | grep ${name} | awk 'NR==1{print $1}'
Log ${restart_pod_name}
Should Not Be Empty ${restart_pod_name} Unable to parse pod name
${rc} ${output}= Run and Return Rc and Output
... kubectl delete pod ${restart_pod_name} -n ${namespace} --grace-period=0 --force
Log ${output}
Exec Pod
[Arguments] ${namespace} ${name} ${command}
[Documentation] Uses kubectl to execute a command in the pod and return the output
${rc} ${exec_pod_name}= Run and Return Rc and Output
... kubectl -n ${namespace} get pods -l app=${name} -o name
Log ${exec_pod_name}
Should Not Be Empty ${exec_pod_name} Unable to parse pod name
${rc} ${output}= Run and Return Rc and Output
... kubectl exec -i ${exec_pod_name} -n ${namespace} -- ${command}
Log ${output}
[return] ${output}
Exec Pod Separate Stderr
[Arguments] ${namespace} ${name} ${command}
[Documentation] Uses kubectl to execute a command in the pod and return the stderr and stdout
${rc} ${exec_pod_name}= Run and Return Rc and Output
... kubectl -n ${namespace} get pods -l app=${name} -o name
Log ${exec_pod_name}
Should Not Be Empty ${exec_pod_name} Unable to parse pod name
@{args}= Split String ${command}
${result}= Run Process
... kubectl exec -i ${exec_pod_name} -n ${namespace} -- @{args}
${stdout}= Set Variable ${result.stdout}
${stderr}= Set Variable ${result.stderr}
Log ${stdout}
Log ${stderr}
[return] ${stdout} ${stderr}
Copy File To Pod
[Arguments] ${namespace} ${name} ${src} ${dest}
[Documentation] Uses kubectl to copy a file to a pod
${rc} ${exec_pod_name}= Run and Return Rc and Output
... kubectl get pods -n ${namespace} | grep ${name} | awk 'NR==1{print $1}'
Log ${exec_pod_name}
Should Not Be Empty ${exec_pod_name} Unable to parse pod name
${rc} ${output}= Run and Return Rc and Output
... kubectl cp -n ${namespace} ${src} ${exec_pod_name}:${dest}
Log ${output}
[return] ${output}
Apply Kubernetes Resources
[Arguments] ${resource_yaml} ${namespace}
[Documentation] Use kubectl to create resources given a yaml file
${rc} Run and Return Rc
... kubectl apply -n ${namespace} -f ${resource_yaml}
Should Be Equal as Integers ${rc} 0
Delete Kubernetes Resources
[Arguments] ${resource_yaml} ${namespace}
[Documentation] Use kubectl to delete resources given a yaml file
${rc} Run and Return Rc
... kubectl delete -n ${namespace} -f ${resource_yaml}
Should Be Equal as Integers ${rc} 0
Validate Pod Status
[Arguments] ${pod_name} ${namespace} ${expectedStatus}
[Documentation] To run the kubectl command and check the status of the given pod matches the expected status
${length}= Run kubectl get pod -n ${namespace} -o name | wc -l
${matched}= Set Variable False
FOR ${index} IN RANGE ${length}
${currentPodName}= Run
... kubectl get pod -n ${namespace} -o=jsonpath="{.items[${index}].status.containerStatuses[0].name}"
Log Required Pod : ${pod_name}
Log Current Pod: ${currentPodName}
${matched}= Set Variable If '${currentPodName}'=='${pod_name}' True False
Exit For Loop If ${matched}
END
Should Be True ${matched} No pod ${podname} found
${currentStatusofPod}= Run
... kubectl get pod -n ${namespace} -o=jsonpath="{.items[${index}].status.phase}"
Log ${currentStatusofPod}
Should Contain ${currentStatusofPod} ${expectedStatus}
Validate Pods Status By Label
[Arguments] ${namespace} ${label_key} ${label_value} ${expectedStatus}
[Documentation] To run the kubectl command and check the status of all pods filter
... by label matche the expected status
${command}= Catenate
... kubectl -n ${namespace} get pods -l ${label_key}=${label_value}
... -o=jsonpath="{.items[?(.status.phase=='${expectedStatus}')].status.phase}"
${pods_status}= Run ${command}
Should Not Be Equal ${pods_status} ${EMPTY} Can't filter out Pods with exptected status ${expectedStatus}
Validate Pods Status By Name
[Arguments] ${namespace} ${name} ${expectedStatus}
[Documentation] To run the kubectl command and check the status of all pods filter
... by label matche the expected status
${command}= Catenate
... kubectl -n ${namespace} get pods ${name}
... -o=jsonpath="{.status.phase}"
${pods_status}= Run ${command}
Should Not Be Equal ${pods_status} ${EMPTY} Can't filter out Pods with exptected status ${expectedStatus}
Verify All Voltha Pods For Any Error Logs
[Arguments] ${datetime}
[Documentation] This keyword checks for the error occurence in the voltha pods
&{errorPodDict} Create Dictionary
&{containerDict} Get Container Dictionary voltha
FOR ${podName} IN @{PODLIST1}
${containerName} Get From Dictionary ${containerDict} ${podName}
${rc} ${logOutput} Run And Return Rc And Output
... kubectl logs --timestamps -n voltha --since-time=${datetime} ${containerName}
Run Keyword And Ignore Error
... Run Keyword If '${logOutput}'=='${EMPTY}'
... Run Keywords Log No Log found in pod ${podName}
... AND Continue For Loop
${errorDict} Check For Error Logs in Pod Type1 Given the Log Output ${logOutput}
${returnStatusFlagList} Get Dictionary Keys ${errorDict}
${returnStatusFlag} Get From List ${returnStatusFlagList} 0
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='Nologfound'
... Run Keywords Log No Error Log found in pod ${podName}
... AND Continue For Loop
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='UnexpectedErrorfound'
... Run Keywords Log Unexpected Error Log found in pod ${podName}
... AND Set to Dictionary ${errorPodDict} ${podName} ${errorDict}
END
FOR ${podName} IN @{PODLIST2}
${containerName} Get From Dictionary ${containerDict} ${podName}
${rc} ${logOutput} Run And Return Rc And Output
... kubectl logs --timestamps -n voltha --since-time=${datetime} ${containerName}
Run Keyword And Ignore Error
... Run Keyword If '${logOutput}'=='${EMPTY}'
... Run Keywords Log No Log found in pod ${podName}
... AND Continue For Loop
${errorDict} Check For Error Logs in Pod Type2 Given the Log Output ${logOutput}
${returnStatusFlagList} Get Dictionary Keys ${errorDict}
${returnStatusFlag} Get From List ${returnStatusFlagList} 0
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='Nologfound'
... Run Keywords Log No Error Log found in pod ${podName}
... AND Continue For Loop
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='UnexpectedErrorfound'
... Run Keywords Log Unexpected Error Log found in pod ${podName}
... AND Set to Dictionary ${errorPodDict} ${podName} ${errorDict}
END
Print to Console Error Statement logged in the following pods : ${errorPodDict}
[Return] ${errorPodDict}
Check For Error Logs in Pod Type1 Given the Log Output
[Arguments] ${logOutput} ${logLevel}=error ${errorMessage}=${EMPTY}
[Documentation] Checks for error message in the particular list of pods
Log ${logOutput}
${linesContainingLog} = Get Lines Matching Regexp ${logOutput} .*\s\${logLevel}.* partial_match=true
${is_exec_status} ${output} Run Keyword And Ignore Error Should Be Empty ${linesContainingLog}
${returnStatusFlag} Set Variable If '${is_exec_status}'=='PASS'
... Nologfound '${is_exec_status}'=='FAIL' Errorlogfound
${linesContainingError} = Get Lines Matching Regexp
... ${logOutput} .*\s\${logLevel}.*${errorMessage} partial_match=true
${is_exec_status} ${output} Run Keyword And Ignore Error Should Be Empty ${linesContainingError}
${returnStatusFlag} Set Variable If '${is_exec_status}'=='PASS'
... UnexpectedErrorfound '${is_exec_status}'=='FAIL' MatchingErrorlogfound
Log {linesContainingError}
&{errorDict} Create Dictionary ${returnStatusFlag} ${linesContainingLog}
[Return] ${errorDict}
Check For Error Logs in Pod Type2 Given the Log Output
[Arguments] ${logOutput} ${logLevel}=warn ${errorMessage}=${EMPTY}
[Documentation] Checks for error message in the particular set of pods
Log ${logOutput}
${linesContainingLog} = Get Lines Matching Regexp
... ${logOutput} .*?\s.*level.*${logLevel}.* partial_match=true
${is_exec_status} ${output} Run Keyword And Ignore Error Should Be Empty ${linesContainingLog}
${returnStatusFlag} Set Variable If '${is_exec_status}'=='PASS'
... Nologfound '${is_exec_status}'=='FAIL' Errorlogfound
${linesContainingError} = Get Lines Matching Regexp
... ${logOutput} .*?\s.*level.*${logLevel}.*msg.*${errorMessage} partial_match=true
${is_exec_status} ${output} Run Keyword And Ignore Error Should Be Empty ${linesContainingError}
${returnStatusFlag} Set Variable If '${is_exec_status}'=='PASS'
... UnexpectedErrorfound '${is_exec_status}'=='FAIL' MatchingErrorlogfound
Log {linesContainingError}
&{errorDict} Create Dictionary ${returnStatusFlag} ${linesContainingLog}
[Return] ${errorDict}
Get Container Dictionary
[Arguments] ${namespace}
[Documentation] Creates a mapping for pod name and container name and returns the same
&{containerDict} Create Dictionary
${containerName} Set Variable ${EMPTY}
${podName} Run kubectl get deployment -n ${namespace} | awk 'NR>1 {print $1}'
@{podNameList}= Split To Lines ${podName}
Append To List ${podNameList} voltha-etcd-cluster voltha-kafka voltha-ro-core voltha-zookeeper
Log ${podNameList}
#Creatiing dictionary to correspond pod name and container name
FOR ${pod} IN @{podNameList}
${containerName} Run kubectl get pod -n ${namespace} | grep ${pod} | awk '{print $1}'
&{containerDict} Set To Dictionary ${containerDict} ${pod} ${containerName}
END
Log ${containerDict}
[Return] ${containerDict}
Validate Error For Given Pods
[Arguments] ${datetime} ${podDict}
[Documentation]
... This keyword is used to get the list of pods if there is any unexpected error
... in a particular pod(s) given the time-${datetime} from which the log needs to
... be analysed and the dictionary of pods and the error in the dictionary format
... ${podDict] .
...
... Usage: ${returnStatusFlag} Validate Error For Given Pods ${datetime} ${podDict}
...
... Arguments:
...
... ${datetime} = time from which the log needs to be taken
... ${podDict} = Key-value pair of the pod name and the error msg
...
... Example: ${podDict} = Set Dictionary ${podDict} radius sample error message.
...
... In case the radius pod log has any other error than the expected
... error, then the podname will be returned
${podList} = Get Dictionary Keys ${podDict}
FOR ${podName} IN @{podList}
${containerName} Get From Dictionary ${containerDict} ${podName}
${expectedError} Get From Dictionary ${podDict} ${podName}
${rc} ${logOutput} Run And Return Rc And Output
... kubectl logs --timestamps -n voltha --since-time=${datetime} ${containerName}
Run Keyword And Ignore Error
... Run Keyword If '${logOutput}'=='${EMPTY}'
... Run Keywords Log No Log found in pod ${podName}
... AND Continue For Loop
${returnStatusFlag} Check For Error Logs in Pod Type1 Given the Log Output ${logOutput}
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='Nologfound'
... Run Keywords Log No Error Log found in pod ${podName}
... AND Continue For Loop
Run Keyword And Ignore Error
... Run Keyword If '${returnStatusFlag}'=='UnexpectedErrorfound'
... Run Keywords Log Unexpected Error Log found in pod ${podName}
... AND Append To List ${errorPodList} ${podName}
END
[Return] ${errorPodList}
Delete K8s Pod
[Arguments] ${namespace} ${name}
[Documentation] Uses kubectl to delete a named POD
${rc} Run and Return Rc
... kubectl delete -n ${namespace} pod/${name}
Should Be Equal as Integers ${rc} 0
Delete K8s Pods By Label
[Arguments] ${namespace} ${key} ${value}
[Documentation] Uses kubectl to delete a PODs, filtering by label
${rc}= Run and Return Rc
... kubectl -n ${namespace} delete pods -l${key}=${value}
Should Be Equal as Integers ${rc} 0
Delete K8s Pods By Name
[Arguments] ${namespace} ${value}
[Documentation] Uses kubectl to delete a PODs, filtering by label
${rc}= Run and Return Rc
... kubectl -n ${namespace} delete pods ${value}
Should Be Equal as Integers ${rc} 0
Scale K8s Deployment
[Arguments] ${namespace} ${name} ${count}
[Documentation] Uses kubectl to scale a named deployment
${rc} Run and Return Rc
... kubectl scale --replicas=${count} -n ${namespace} deploy/${name}
Should Be Equal as Integers ${rc} 0
Pod Exists
[Arguments] ${namespace} ${name}
[Documentation] Succeeds it the named POD exists
${rc} ${count} Run and Return Rc
... kubectl get -n ${namespace} pod -o json | jq -r ".items[].metadata.name" | grep ${name}
Should Be True ${count}>0 Pod ${name} not found
Pod Does Not Exist
[Arguments] ${namespace} ${name}
[Documentation] Succeeds if the named POD does not exist
${rc} ${count} Run and Return Rc And Output
... kubectl get -n ${namespace} pod -o json | jq -r ".items[].metadata.name" | grep -c ${name}
Should Be Equal As Integers ${count} 0
Should Be True ${count}==0 Pod ${name} exists but should not
Wait For Pods Not Exist
[Arguments] ${namespace} ${list_names}
[Documentation] Checks the passed PODs are no longer existing
FOR ${pod_name} IN @{list_names}
Run Keyword And Continue On Failure Wait Until Keyword Succeeds ${timeout} 3s
... Pod Does Not Exist ${namespace} ${pod_name}
END
Pods Do Not Exist By Label
[Arguments] ${namespace} ${key} ${value}
[Documentation] Succeeds if the named POD does not exist
${rc} ${count} Run and Return Rc And Output
... kubectl get -n ${namespace} pod -l${key}=${value} -o json | jq -r ".items[].metadata.name" | wc -l
Should Be Equal As Integers ${count} 0
Should Be True ${count}==0 Pod with label ${key}=${value} exists but should not
Get Available Deployment Replicas
[Arguments] ${namespace} ${name}
[Documentation] Succeeds if the named POD exists and has a ready count > 0
${rc} ${count} Run and Return Rc and Output
... kubectl get -n ${namespace} deploy/${name} -o jsonpath='{.status.availableReplicas}'
${result}= Run Keyword If '${count}' == '' Set Variable 0
... ELSE Set Variable ${count}
[Return] ${result}
Check Expected Available Deployment Replicas
[Arguments] ${namespace} ${name} ${expected}
[Documentation] Succeeds if the named deployment has the expected number of available replicas
${count}= Get Available Deployment Replicas ${namespace} ${name}
Should Be Equal As Integers ${expected} ${count}
Get Deployment Replica Count
[Arguments] ${namespace} ${name}
[Documentation] Uses kubectl to fetch the number of configured replicas on a deployment
${rc} ${value} Run and Return Rc and Output
... kubectl -n ${namespace} get deploy/${name} -o 'jsonpath={.status.replicas}'
Should Be Equal as Integers ${rc} 0
${replicas}= Run Keyword If '${value}' == '' Set Variable 0
... ELSE Set Variable ${value}
[Return] ${replicas}
Does Deployment Have Replicas
[Arguments] ${namespace} ${name} ${expected_count}
[Documentation] Uses kubectl to fetch the number of configured replicas on a deployment
${rc} ${value} Run and Return Rc and Output
... kubectl -n ${namespace} get deploy/${name} -o 'jsonpath={.status.replicas}'
Should Be Equal as Integers ${rc} 0
${replicas}= Run Keyword If '${value}' == '' Set Variable 0
... ELSE Set Variable ${value}
Should be Equal as Integers ${replicas} ${expected_count}
Pods Are Ready By Label
[Arguments] ${namespace} ${key} ${value}
[Documentation] Check that all pods with a label are ready
${output}= Run
... kubectl -n ${namespace} get pods -l ${key}=${value} -o=jsonpath="{.items[].status.containerStatuses[].ready}"
Should Not Contain ${output} false
Wait For Pods Ready
[Arguments] ${namespace} ${list_apps}
[Documentation] Checks the passed PODs are ready
FOR ${app_name} IN @{list_apps}
Run Keyword And Continue On Failure Wait Until Keyword Succeeds ${timeout} 3s
... Pods Are Ready By Label ${namespace} app ${app_name}
END
Check Expected Running Pods Number By Label
[Arguments] ${namespace} ${key} ${value} ${number}
[Documentation] Succeeds if the desired pod has expected number replicas
${rc} ${count} Run and Return Rc and Output
... kubectl -n ${namespace} get pods -l ${key}=${value} -o json | jq -r ".items[].status.phase" | wc -l
Should Be Equal as Integers ${count} ${number}
Get Number of Running Pods Number By Label
[Arguments] ${namespace} ${key} ${value}
[Documentation] Returns the number of pods for a given label
${rc} ${count} Run and Return Rc and Output
... kubectl -n ${namespace} get pods -l ${key}=${value} -o name | wc -l
[Return] ${count}