// 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.

// Run XOS api tests on HEAD of a branch (usually master), loading the
// corresponding charts

CORE_CONTAINER="null"

pipeline {

    /* no label, executor is determined by JJB */
    agent {
        label "${params.executorNode}"
    }

  stages {

    stage('repo') {
      steps {
        checkout(changelog: false, \
          poll: false,
          scm: [$class: 'RepoScm', \
            manifestRepositoryUrl: "${params.manifestUrl}", \
            manifestBranch: "${params.manifestBranch}", \
            currentBranch: true, \
            destinationDir: 'cord', \
            forceSync: true,
            resetFirst: true, \
            quiet: true, \
            jobs: 4, \
            showAllChanges: true] \
          )
      }
    }

    stage('patch') {
      steps {
        sh """
           #!/usr/bin/env bash
           set -eu -o pipefail

           VERSIONFILE="" # file path to file containing version number
           NEW_VERSION="" # version number found in VERSIONFILE
           releaseversion=0

           function read_version {
             if [ -f "VERSION" ]
             then
               NEW_VERSION=\$(head -n1 "VERSION")
               VERSIONFILE="VERSION"
             elif [ -f "package.json" ]
             then
               NEW_VERSION=\$(python -c 'import json,sys;obj=json.load(sys.stdin); print obj["version"]' < package.json)
               VERSIONFILE="package.json"
             else
               echo "ERROR: No versioning file found!"
               exit 1
             fi
           }

           # check if the version is a released version
           function check_if_releaseversion {
             if [[ "\$NEW_VERSION" =~ ^([0-9]+)\\.([0-9]+)\\.([0-9]+)\$ ]]
             then
               echo "Version string '\$NEW_VERSION' in '\$VERSIONFILE' is a SemVer released version!"
               releaseversion=1
             else
               echo "Version string '\$NEW_VERSION' in '\$VERSIONFILE' is not a SemVer released version, skipping."
             fi
           }

           pushd cord
           PROJECT_PATH=\$(xmllint --xpath "string(//project[@name=\\\"${gerritProject}\\\"]/@path)" .repo/manifest.xml)
           repo download "\$PROJECT_PATH" "${gerritChangeNumber}/${gerritPatchsetNumber}"

           pushd \$PROJECT_PATH
           echo "Existing git tags:"
           git tag -n

           read_version
           check_if_releaseversion

           # perform checks if a released version
           if [ "\$releaseversion" -eq "1" ]
           then
             git config --global user.email "apitest@opencord.org"
             git config --global user.name "API Test"

             git tag -a "\$NEW_VERSION" -m "Tagged for api test on Gerrit patchset: ${gerritChangeNumber}"

             echo "Tags including new tag:"
             git tag -n

           fi
           popd
           popd
           """
      }
    }

    stage('tag update') {
      steps {
        sh """
           #!/usr/bin/env bash
           set -eu -o pipefail

           echo "" > $WORKSPACE/xos_tags.yaml
           # skip projects that aren't the XOS core repository
           if [ "$GERRIT_PROJECT" != "xos" ]; then
             exit 0
           fi

           echo "" > $WORKSPACE/updated_dockerfiles
           XOS_MAJOR=\$(cut -b 1 cord/orchestration/xos/VERSION)
           XOS_VERSION=\$(cat cord/orchestration/xos/VERSION)

           # update services
           for df in cord/orchestration/xos_services/*/Dockerfile.synchronizer cord/orchestration/profiles/*/Dockerfile.synchronizer
           do
             df_contents=\$(cat "\$df")
             if [[ "\$df_contents" =~ "FROM xosproject/xos-synchronizer-base:\$XOS_MAJOR" ||
                   "\$df_contents" =~ "FROM xosproject/xos-synchronizer-base:master" ]]
             then
               sed -i "s/^FROM\\(.*\\):.*\$/FROM\\1:\$XOS_VERSION/" "\$df"
               echo "$WORKSPACE/\$df" >> $WORKSPACE/updated_dockerfiles
             fi
           done

           # create values file with core version tags
           # not indented because heredoc requires it
           cat << EOF > $WORKSPACE/xos_tags.yaml
---
images:
  xos_core:
    tag: '\$XOS_VERSION'
  xos_chameleon:
    tag: '\$XOS_VERSION'
EOF
           """
      }
    }

    stage('prep') {
      parallel {

        stage('images') {
          steps {
            sh '''
               pushd cord/automation-tools/developer
               mkdir ib_logs
               ./imagebuilder.py -l ib_logs -a ib_actions.yml -g ib_graph.dot -f ../../helm-charts/examples/filter-images.yaml
               popd
               '''
            archiveArtifacts artifacts: 'cord/automation-tools/developer/ib_actions.yml, cord/automation-tools/developer/ib_graph.dot, cord/automation-tools/developer/ib_logs/*', fingerprint: true
          }
        }

        stage('minikube') {
          steps {
            /* see https://github.com/kubernetes/minikube/#linux-continuous-integration-without-vm-support */
            sh '''
               export MINIKUBE_WANTUPDATENOTIFICATION=false
               export MINIKUBE_WANTREPORTERRORPROMPT=false
               export CHANGE_MINIKUBE_NONE_USER=true
               export MINIKUBE_HOME=$HOME
               mkdir -p $HOME/.kube || true
               touch $HOME/.kube/config
               export KUBECONFIG=$HOME/.kube/config
               sudo -E /usr/bin/minikube start --vm-driver=none
               '''
            script {
              timeout(3) {
                waitUntil {
                  sleep 5
                  def kc_ret = sh script: "kubectl get po", returnStatus: true
                  return (kc_ret == 0);
                }
              }
            }
          }
        }
      }
    }

    stage('helm') {
      steps {
        sh '''
           helm init
           sleep 60
           helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
           '''
      }
    }

    stage('build') {
      steps {
        sh """
           #!/usr/bin/env bash
           set -eu -o pipefail

           helm_install_args='-f examples/image-tag-candidate.yaml -f examples/imagePullPolicy-IfNotPresent.yaml -f examples/api-test-values.yaml'

           # skip projects that aren't the XOS core repository
           if [ "$GERRIT_PROJECT" != "xos" ]; then
             helm_install_args+=' -f $WORKSPACE/xos_tags.yaml'
           fi

           pushd cord/helm-charts

           helm install -f examples/kafka-single.yaml --version 0.8.8 -n cord-kafka incubator/kafka
           scripts/wait_for_pods.sh

           helm dep up xos-core
           helm install \${helm_install_args} xos-core -n xos-core

           # Pick which chart(s) to load depending on the project being tested
           # In regex, please list repos in same order as requirements.yaml in the chart(s) loaded!

           if [[ "$GERRIT_PROJECT" =~ ^(rcord|onos-service|fabric|olt-service|vsg-hw|vrouter)\$ ]]; then
             helm dep update xos-profiles/rcord-lite
             helm install \${helm_install_args} xos-profiles/rcord-lite -n rcord-lite

           elif [[ "$GERRIT_PROJECT" =~ ^(vMME|vspgwc|vspgwu|vHSS|hss_db|internetemulator|sdn-controller|epc-service|mcord|progran)\$ ]]; then
             helm dep update xos-profiles/base-openstack
             helm dep update xos-profiles/mcord
             helm install \${helm_install_args} xos-profiles/base-openstack -n base-openstack
             helm install \${helm_install_args} xos-profiles/mcord -n mcord

           elif [[ "$GERRIT_PROJECT" =~ ^(openstack|vtn-service|exampleservice|addressmanager)\$ ]]; then
             # NOTE: onos-service is included in base-openstack, but tested w/rcord-lite chart

             helm dep update xos-profiles/base-openstack
             helm dep update xos-profiles/demo-exampleservice
             helm install \${helm_install_args} xos-profiles/base-openstack -n base-openstack
             helm install \${helm_install_args} xos-profiles/demo-exampleservice -n demo-exampleservice

           elif [[ "$GERRIT_PROJECT" =~ ^(kubernetes-service|simpleexampleservice)\$ ]]; then
             helm dep update xos-profiles/base-kubernetes
             helm dep update xos-profiles/demo-simpleexampleservice
             helm install \${helm_install_args} xos-profiles/base-kubernetes -n base-kubernetes
             helm install \${helm_install_args} xos-profiles/demo-simpleexampleservice -n demo-simpleexampleservice

           elif [[ "$GERRIT_PROJECT" =~ ^(hippie-oss)\$ ]]; then
             helm dep update xos-services/hippie-oss
             helm install \${helm_install_args} xos-services/hippie-oss -n hippie-oss

           elif [[ "$GERRIT_PROJECT" =~ ^(att-workflow-driver)\$ ]]; then
             helm dep update xos-services/att-workflow-driver
             helm install \${helm_install_args} xos-services/att-workflow-driver -n att-workflow-driver

           elif [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
             echo "No additional charts to install for testing $GERRIT_PROJECT"

           else
             echo "Couldn't find a chart to test project: $GERRIT_PROJECT!"
             exit 1
           fi

           # wait for services to load
           JOBS_TIMEOUT=900 ./scripts/wait_for_jobs.sh

           echo "# Checking helm deployments"
           kubectl get pods
           helm list

           for hchart in \$(helm list -q);
           do
             echo "## 'helm status' for chart: \${hchart} ##"
             helm status "\${hchart}"
           done

           popd
           """
      }
    }
    stage('wait for core') {
      steps {
        timeout(time:5) {
          waitUntil {
            script {
              try {
                sh """
                CORE_POD=\$(kubectl get pods | grep xos-core | awk '{print \$1}')
                CHAM_POD=\$(kubectl get pods | grep chameleon | awk '{print \$1}')
                CHAM_CONTAINER=\$(docker ps | grep k8s_xos-chameleon | awk '{print \$1}')
                XOS_CHAMELEON=\$(docker exec \$CHAM_CONTAINER ip a | grep -oE "([0-9]{1,3}\\.){3}[0-9]{1,3}\\b" | grep 172)
                kubectl logs \$CORE_POD | grep "XOS core entering wait loop"
                curl -I -u admin@opencord.org:letmein http://\$XOS_CHAMELEON:9101/xosapi/v1/core/users | grep "200 OK"
                sleep 30
                curl -I -u admin@opencord.org:letmein http://\$XOS_CHAMELEON:9101/xosapi/v1/core/sites | grep "200 OK"
		"""
                return true
              } catch (exception) {
              return false
              }
            }
          }
        }
      }
    }

    stage('setup') {
      steps {
        sh """
           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')

           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosapitests.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosapitests.xtarget
           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosserviceapitests.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosserviceapitests.xtarget
           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xoslibrary.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xoslibrary.xtarget
           docker exec -i \$CORE_CONTAINER /bin/bash -c "xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosapitests.xtarget /opt/xos/core/models/core.xproto" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/XOSCoreAPITests.robot

           # create additional testing files if services are loaded
           if ! [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
             export testname=_service_api.robot
             export library=_library.robot

             SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
             echo \$SERVICES

             for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosserviceapitests.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$testname; done

             for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xoslibrary.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$library; done
           fi
           """
      }
    }

    stage('test') {
      steps {
        sh """
           pushd cord/test/cord-tester/src/test/cord-api/Tests

           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
           CHAM_CONTAINER=\$(docker ps | grep k8s_xos-chameleon | awk '{print \$1}')
           XOS_CHAMELEON=\$(docker exec \$CHAM_CONTAINER ip a | grep -oE "([0-9]{1,3}\\.){3}[0-9]{1,3}\\b" | grep 172)

           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Properties/
           sed -i \"s/^\\(SERVER_IP = \\).*/\\1\'\$XOS_CHAMELEON\'/\" RestApiProperties.py
           sed -i \"s/^\\(SERVER_PORT = \\).*/\\1\'9101\'/\" RestApiProperties.py
           sed -i \"s/^\\(XOS_USER = \\).*/\\1\'admin@opencord.org\'/\" RestApiProperties.py
           sed -i \"s/^\\(XOS_PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py
           sed -i \"s/^\\(PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py

           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests
           pybot -d Log -T XOSCoreAPITests.robot  || true

           # do additional tests if services are loaded
           if ! [[ "$GERRIT_PROJECT" =~ ^(xos|xos-tosca|cord-tester|helm-charts)\$ ]]; then
             export testname=_service_api.robot
             export library=_library.robot
             SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
             echo \$SERVICES

             for i in \$SERVICES; do bash -c "pybot -d Log -T -e ProgranServiceInstance -v TESTLIBRARY:\$i\$library \$i\$testname"; sleep 2; done || true
           fi

           popd
           """
      }
    }

    stage('Publish') {
      steps {
        sh """
           if [ -d RobotLogs ]; then rm -r RobotLogs; fi; mkdir RobotLogs
           cp -r $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/Log/*ml ./RobotLogs
           """

        step([$class: 'RobotPublisher',
            disableArchiveOutput: false,
            logFileName: 'RobotLogs/log*.html',
            otherFiles: '',
            outputFileName: 'RobotLogs/output*.xml',
            outputPath: '.',
            passThreshold: 100,
            reportFileName: 'RobotLogs/report*.html',
            unstableThreshold: 0]);
      }
    }

  }

  post {
    always {
      sh '''
         for pod in \$(kubectl get pods --no-headers | awk '{print \$1}');
         do
           kubectl logs \$pod > $WORKSPACE/\$pod.log;
         done

         kubectl get pods --all-namespaces

         echo "# removing helm deployments"
         kubectl get pods
         helm list

         for hchart in \$(helm list -q);
         do
           echo "## Purging chart: \${hchart} ##"
           helm delete --purge "\${hchart}"
         done

         sudo minikube delete
         '''
         archiveArtifacts artifacts: '*.log'
         step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "suchitra@opennetworking.org, you@opennetworking.org, kailash@opennetworking.org", sendToIndividuals: false])
    }
  }
}