Execución de probas de JMeter en OpenShift usando Jenkins Pipeline

Ola a todos!

Neste artigo quero compartir unha das formas de executar probas de rendemento de JMeter en OpenShift usando Jenkins como automatización. Primeiro faremos todos os pasos necesarios (crear ImageStreams, BuildConfig, Job etc.) en modo manual. Despois diso, imos escribir Jenkins Pipeline.

Como punto de partida debemos ter:

  1. executando o clúster OpenShift (v3.11).
  2. Servidor Jenkins con credenciais configuradas para traballar en OpenShift
  3. файл apache-jmeter-5.2.tgz

Como probas será sinxelo HTTP Request en ya.ru nun fluxo.

Creando un proxecto en OpenShift

Comecemos creando un novo ambiente. Imos crear perftest rodeado dun equipo:

$ oc new-project perftest --display-name="Performance Tests" --description="Performance Tests - JMeter"

Trasladarémonos automaticamente ao entorno de nova creación perftest, comprobamos que é así:

$ oc project
Using project "perftest" on server "https://127.0.0.1:8443".

Creación de Almacenamento

Os informes de probas almacenaranse en común co servidor web e jmeter-meter'un lugar - /jmeter/reports.

É mellor crear Storajs agora, porque os POD estarán ligados a eles jmeter-web и jmeter-master.

Atoparás información máis detallada sobre o almacenamento na documentación oficial Almacenamento persistente.

Imos crear ficheiros yaml para PV и PVC.

pv.yaml

$ tee pv.yaml<<EOF
apiVersion: v1
kind: PersistentVolume
metadata:
  name: jmeter-reports
spec:
  capacity:
    storage: 10Gi
  accessModes:
    - ReadWriteMany
  glusterfs:
    endpoints: glusterfs-cluster
    path: /jmeter/reports
    readOnly: false
  persistentVolumeReclaimPolicy: Retain
EOF

pvc.yaml

$ tee pvc.yaml<<EOF
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: jmeter-reports
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 10Gi
EOF

Imos crear PV и PVC rodeado por OpenShift:

$ oc create -f pv.yaml -n perftest
$ oc create -f pvc.yaml -n perftest

Comprobando o estado de PVC:

$ oc get pvc -n perftest
NAME             STATUS    VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS        AGE
jmeter-reports   Bound     pvc-b0e5f152-db4b-11ea-a497-566f75280024   10Gi       RWX            glusterfs-storage   8m

Aquí tes como se verá na GUI:

Execución de probas de JMeter en OpenShift usando Jenkins Pipeline

Creación dunha imaxe base de JMeter

Pasemos á creación ImageStream и BuildConfig.

Podes atopar toda a información necesaria na documentación - Construcións e fluxos de imaxes.

A estratexia de construción da imaxe é Docker dunha fonte local.

Imos crear unha imaxe base jmeter-base, que será a base para jmeter-master.

dockerfile

FROM openjdk:8u212-jdk

ARG JMETER_VER="5.2"
ENV JMETER_HOME /jmeter/apache-jmeter-$JMETER_VER
ENV PATH $JMETER_HOME/bin:$PATH

RUN mkdir -p /jmeter/results 
    && mkdir /jmeter/tests

WORKDIR /jmeter

COPY apache-jmeter-$JMETER_VER.tgz .

RUN tar -xzf $JMETER_HOME.tgz 
    && rm $JMETER_HOME.tgz 
    && ls -la

RUN sed -i s/#server.rmi.ssl.disable=false/server.rmi.ssl.disable=true/ $JMETER_HOME/bin/jmeter.properties

EXPOSE 60000

é.yaml

$ tee is.yaml<<EOF
apiVersion: v1
kind: ImageStream
metadata:
  labels:
    build: jmeter-base
  name: jmeter-base
EOF

bc.yaml

$ tee bc.yaml<<EOF
apiVersion: v1
kind: BuildConfig
metadata:
  name: jmeter-base
spec:
  failedBuildsHistoryLimit: 5
  nodeSelector: null
  output:
    to:
      kind: ImageStreamTag
      name: 'jmeter-base:latest'
  postCommit: {}
  resources: {}
  runPolicy: Serial
  source:
    binary: {}
    type: Binary
  strategy:
    dockerStrategy:
      from:
        kind: ImageStreamTag
        name: 'openjdk:8u212-jdk'
    type: Docker
  successfulBuildsHistoryLimit: 5
EOF

Imos crear obxectos IS и BC:

$ oc create -f is.yaml -n perftest
$ oc create -f bc.yaml -n perftest

Agora imos montar a imaxe base jmeter-base:

$ oc start-build jmeter-base -n perftest --from-dir=. --follow

JMeter WEB

jmeter-web Este é un servidor web Apache. A súa tarefa é proporcionar un directorio cos resultados das probas para a súa visualización.

Preparado Dockerfile e ficheiro de configuración httpd.conf. Para directiva DocumentRoot valor definido /jmeter/reports, é dicir. o directorio no que se gardan os resultados das probas.

dockerfile

$ tee Dockerfile<<EOF
FROM httpd:2.4

COPY httpd.conf /usr/local/apache2/conf/httpd.conf
RUN chmod -R 777 /usr/local/apache2/logs

EXPOSE 8080

CMD ["httpd", "-D", "FOREGROUND"]
EOF

é.yaml

$ tee is.yaml<<EOF
apiVersion: v1
kind: ImageStream
metadata:
  generation: 1
  labels:
    build: jmeter-web
  name: jmeter-web
EOF

bc.yaml

$ tee bc.yaml<<EOF
apiVersion: v1
kind: BuildConfig
metadata:
  name: jmeter-web
spec:
  failedBuildsHistoryLimit: 5
  nodeSelector: null
  output:
    to:
      kind: ImageStreamTag
      name: 'jmeter-web:latest'
  runPolicy: Serial
  source:
    binary: {}
    type: Binary
  strategy:
    dockerStrategy:
      from:
        kind: ImageStreamTag
        name: 'httpd:2.4'
    type: Docker
  successfulBuildsHistoryLimit: 5
EOF

Imos crear ImageStream и BuildConfig obxectos:

$ oc create -f is.yaml -n perftest
$ oc create -f bc.yaml -n perftest

Recollendo unha imaxe de Dockerfile:

$ oc start-build jmeter-web -n perftest --from-dir=. --follow

dc.yaml

$ tee dc.yaml<<EOF
apiVersion: apps.openshift.io/v1
kind: DeploymentConfig
metadata:
  name: jmeter-web
spec:
  replicas: 1
  template:
    metadata:
      labels:
        name: jmeter-web
    spec:
      containers:
        - image: 172.30.1.1:5000/perftest/jmeter-web
          name: jmeter-web
          volumeMounts:
            - mountPath: /jmeter/reports
              name: jmeter-reports
          ports:
            - containerPort: 80
              protocol: TCP
            - containerPort: 8080
              protocol: TCP
      volumes:
        - name: jmeter-reports
          persistentVolumeClaim:
            claimName: jmeter-reports
EOF

sc.yaml

$ tee sc.yaml<<EOF
apiVersion: v1
kind: Service
metadata:
  labels:
    app: jmeter-web
  name: jmeter-web
spec:
  ports:
    - name: 8080-tcp
      port: 8080
      protocol: TCP
      targetPort: 8080
  selector:
    deploymentconfig: jmeter-web
  sessionAffinity: None
  type: ClusterIP
EOF

Imos crear obxectos Service и DeploymentConfig:

$ oc create -f sc.yaml -n perftest
$ oc create -f dc.yaml -n perftest

Jmeter-mestre

Comecemos a implementar o servidor web Apache.

Este é o Dockerfile jmeter-master'a, baseado en jmeter-base, que realizará probas e gardará os resultados no almacenamento.

dockerfile

Dockerfile para jmeter-master, baseado en jmeter-base.

FROM jmeter-base

ARG JMETER_VER="5.2"
ENV JMETER_HOME /jmeter/apache-jmeter-$JMETER_VER
ENV PATH $JMETER_HOME/bin:$PATH

WORKDIR /jmeter
COPY run.sh /jmeter/
COPY tests/*.jmx /jmeter/tests/
RUN chmod +x /jmeter/run.sh

ENTRYPOINT ["/bin/bash"]
CMD ["/jmeter/run.sh"]

correr.sh

run.sh este é un script que executa JMeter e garda os resultados nun directorio files.

Cada vez que se inicia o script, elimina as probas anteriores, polo que só podes traballar cos datos máis recentes. Pero isto non é un problema, porque podes cambialo segundo as túas necesidades.

#!/bin/bash

set -e

if [ -d "/jmeter/reports/files" ]
then
    echo "Directory /jmeter/reports/files exist - OK"
else
    echo "Creating /jmeter/reports/files directory"
    mkdir /jmeter/reports/files
fi

if [ -d "/jmeter/reports/dashboards" ]
then
    echo "Directory /jmeter/reports/dashboards exist"
else
    echo "Creating /jmeter/reports/dashboards directory"
    mkdir /jmeter/reports/dashboards
fi

echo "*** JMeter START Tests ***"

for item in $(ls -1 /jmeter/tests | grep jmx)
do
    echo "*** Removing dashboard directory for $item"
    rm -rdf /jmeter/reports/dashboards/${item}*

    echo "*** Removing tests directory for $item"
    rm -rdf /jmeter/reports/files/${item}*

    echo "*** Testing a $item file ***"
    jmeter -n -t /jmeter/tests/${item} -l /jmeter/reports/files/${item}-report.jtl -e -o /jmeter/reports/dashboards/${item}-dash
done

é.yaml

$ tee is.yaml<<EOF
apiVersion: image.openshift.io/v1
kind: ImageStream
metadata:
  generation: 1
  labels:
    build: jmeter-master
  name: jmeter-master
EOF

bc.yaml

$ tee bc.yaml<<EOF
apiVersion: build.openshift.io/v1
kind: BuildConfig
metadata:
  name: jmeter-master
spec:
  failedBuildsHistoryLimit: 5
  nodeSelector: null
  output:
    to:
      kind: ImageStreamTag
      name: 'jmeter-master:latest'
  runPolicy: Serial
  source:
    binary: {}
    type: Binary
  strategy:
    dockerStrategy:
      from:
        kind: ImageStreamTag
        name: 'jmeter-base:latest'
    type: Docker
  successfulBuildsHistoryLimit: 5
EOF

Imos crear IS и BC obxectos:

$ oc create -f is.yaml -n perftest
$ oc create -f bc.yaml -n perftest

Recollemos jmeter-master imaxe:

$ oc start-build jmeter-master -n perftest --from-dir=. --follow

Traballo

Jobúsanse en OpenShift'e para executar un ou máis POD's e garantir a súa finalización exitosa despois de executar o comando/script.

$ tee job.yaml<<EOF
apiVersion: batch/v1
kind: Job
metadata:
  name: jmeter-master
  labels:
    jobName: jmeter-master
spec:
  completions: 1
  parallelism: 1
  template:
    metadata:
      name: jmeter-master
      labels:
        jobName: jmeter-master
    spec:
      containers:
        - name: jmeter-master
          image: 172.30.1.1:5000/perftest/jmeter-master:latest
          volumeMounts:
            - mountPath: /jmeter/reports
              name: jmeter-reports
          imagePullPolicy: Always
      volumes:
        - name: jmeter-reports
          persistentVolumeClaim:
            claimName: jmeter-reports
      restartPolicy: Never
      terminationGracePeriodSeconds: 30
EOF

Crea un obxecto Job:

$ oc create -f job.yaml -n perftest

Comprobamos o estado do traballo:

$ oc get jobs -n perftest
NAME            DESIRED   SUCCESSFUL   AGE
jmeter-master   1         1            5m

Para eliminar Job imos usar o comando:

$ oc delete jobs/jmeter-master -n perftest --ignore-not-found=true

Oleoduto Jenkins

Agora automatización. Repasemos os pasos de novo:

  1. git clone
  2. oc whoami -t
  3. oc start-build ...
  4. oc delete jobs/jmeter-master
  5. oc create -f job.yaml -n perftest

A continuación móstrase unha canalización na que se realiza a clonación, a eliminación e a creación de OpenShift do repositorio Job's.

#!groovy

pipeline {

    agent any

    stages {

        stage('Start Notifications') {
            steps {
                echo "Sending Email Notification"
            }
            post {
                always {
                    echo "STARTED - Performance Tests"
                    mail(to: '[email protected]', from: "[email protected]", subject: "START - Performance Tests",mimeType: "text/html", body: "<strong>START - Performance Tests</strong><br /><br />Project: Name of Project<br />Environment: PerfTest<br />Build number: ${env.BUILD_NUMBER}<br />Build URL:   ${env.BUILD_URL}"
                }
            }
        }

        stage('Git checkout') {
            steps {
                ...
            }
        }

        stage('Perf Tests') {
            steps {
                script {
                    sh '''
                        OC_CMD1="oc login -u=username -p=PASS -n=perftest 
                        --server=https://...:8443"

                        $OC_CMD1

                        OC_TOKEN=`oc whoami -t`

                        OC_CMD2="oc --token=$OC_TOKEN --server=https://...:8443 
                        start-build jmeter-master -n=perftest --from-dir=./master 
                        --follow=true"

                        OC_CMD3="oc --token=$OC_TOKEN --server=https://...:8443 
                        delete jobs/jmeter-master -n=perftest --ignore-not-found=true"

                        OC_CMD4="oc--token=$OC_TOKEN --server=https://...:8443 
                        create -f ./master/job.yaml -n=perftest"

                        $OC_CMD2
                        $OC_CMD3
                        $OC_CMD4
                    '''
                }
            }
        }

        post {
            failure {
                echo "FAILED - Performance Tests"
                mail(to: '[email protected]', from: "[email protected]", subject: "FAILED - Performance Tests",mimeType: "text/html", body: "<strong>FAILED - Performance Tests</strong><br /><br />Project: Name of Project<br />Environment: PerfTest<br />Build number: ${env.BUILD_NUMBER}<br />Build URL: ${env.BUILD_URL}"
                }

            success {
                echo "SUCCESSED - Performance Tests"
                mail(to: '[email protected]', from: "[email protected]", subject: "SUCCESSED - Performance Tests",mimeType: "text/html", body: "<strong>SUCCESSED - Performance Tests</strong><br /><br />Project: Name of Project<br />Environment: PerfTest<br />Build number: ${env.BUILD_NUMBER}<br />Build URL:   ${env.BUILD_URL}"
            }
        }

    }
}

Despois de que Pipeline complete a súa operación, recibiremos unha notificación por correo electrónico '[email protected] de [email protected].

Premendo na ligazón http://jmeter-web.127.0.0.1.nip.io/ veremos o directorio files, que almacena os informes de proba:

Execución de probas de JMeter en OpenShift usando Jenkins Pipeline

Contidos do ficheiro ya.HTTP.Request.jmx-report.jtk:

timeStamp,elapsed,label,responseCode,responseMessage,threadName,dataType,success,failureMessage,bytes,sentBytes,grpThreads,allThreads,URL,Latency,IdleTime,Connect
1597311456443,569,Yandex - HTTP Request,200,Ok,Thread Group 1-1,text,true,,59449,220,1,1,https://ya.ru/,145,0,57
1597311456443,147,Yandex - HTTP Request-0,302,Found,Thread Group 1-1,,true,,478,110,1,1,http://ya.ru/,145,0,57
1597311456592,420,Yandex - HTTP Request-1,200,Ok,Thread Group 1-1,text,true,,58971,110,1,1,https://ya.ru/,370,0,259

Conclusión

Este artigo demostrou unha das opcións para executar probas JMeter no ambiente OpenShift. Completamos todos os pasos manualmente, despois de que creamos Jenkins Pipeline para automatizar o proceso de execución de probas.

Fontes e documentación

Fonte: www.habr.com

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