// 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.

node ("${buildNode}") {
  timeout (100) {
    try {
      stage ("Parse deployment configuration files") {
        sh returnStdout: true, script: "rm -rf helm-charts helm-repo-tools ${configBaseDir}"
        sh returnStdout: true, script: "git clone -b ${branch} ${cordRepoUrl}/helm-repo-tools"
        sh returnStdout: true, script: "git clone -b ${branch} ${cordRepoUrl}/helm-charts"
        sh returnStdout: true, script: "git clone -b ${branch} ${cordRepoUrl}/${configBaseDir}"
        deployment_config = readYaml file: "${configBaseDir}/${configDeploymentDir}/${configFileName}.yaml"
      }

      // Define KUBECONFIG & HELMCONFIG environment variable to use in steps
      env.KUBECONFIG="$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf"
      env.HELMCONFIG="$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.yml"

      stage('Clean up') {
        timeout(10) {
          // Force helm client to reload server pod, otherwise it'll possible fail on version compatible issue.
          sh returnStdout: true, script: "helm init --upgrade --force-upgrade"

          timeout(1) {
            waitUntil {
              tillerpod_running = sh returnStdout: true, script: """
              kubectl -n kube-system get pods | grep tiller-deploy | grep Running | wc -l
              """
              return tillerpod_running.toInteger() == 1
            }
          }

          // Deleted all of charts
          sh returnStdout: true, script: """
          for hchart in \$(helm list -q | grep -E -v 'docker-registry|mavenrepo|ponnet');
          do
            echo "Purging chart: \${hchart}"
            helm delete --purge "\${hchart}"
          done
          """

          timeout(3) {
            waitUntil {
              charts_deleted = sh returnStdout: true, script: """
              helm ls -q | grep -E -v 'docker-registry|mavenrepo|ponnet' | wc -l
              """
              return charts_deleted.toInteger() == 0
            }
          }

          timeout(3) {
            waitUntil {
              allpods_deleted = sh returnStdout: true, script: """
              kubectl get pods --all-namespaces --no-headers |\
              grep -E -v 'kube-system|docker-registry|mavenrepo|ponnet|test' | wc -l
              """
              return allpods_deleted.toInteger() == 0
            }
          }
        }
      }


      stage('Add Helm repositories') {
        sh returnStdout: true, script: """
        helm repo add cord https://charts.opencord.org
        helm repo add incubator http://storage.googleapis.com/kubernetes-charts-incubator
        helm repo update
        """

        timeout(1) {
          waitUntil {
            tillerpod_running = sh returnStdout: true, script: """
            kubectl -n kube-system get pods | grep tiller-deploy | grep Running | wc -l
            """
            return tillerpod_running.toInteger() == 1
          }
        }

        timeout(1) {
          waitUntil {
            cord_repo_present = sh returnStdout: true, script: """
            helm repo list | grep cord | wc -l
            """
            return cord_repo_present.toInteger() == 1
          }
        }
      }

      stage('Install etcd-cluster') {
        sh returnStdout: true, script: """
        helm install -f $HELMCONFIG --version 0.8.3 -n etcd-operator stable/etcd-operator
        """

        timeout(1) {
          waitUntil {
            etcd_operator_running = sh returnStdout: true, script: """
            kubectl get pods | grep etcd-operator | grep -i running | grep 1/1 | wc -l
            """
            return etcd_operator_running.toInteger() == 3
          }
        }

        timeout(1) {
          waitUntil {
            etcd_operator_crd_present = sh returnStdout: true, script: """
            kubectl get crd -o json | jq -r '.items[].spec | select(.group=="etcd.database.coreos.com").names.kind' |\
            grep -E 'EtcdBackup|EtcdCluster|EtcdRestore' | wc -l
            """
            return etcd_operator_crd_present.toInteger() == 3
          }
        }

        sh returnStdout: true, script: """
        helm install -f $HELMCONFIG --set etcdNodePort=32379 --set clusterSize=1 -n etcd cord/etcd-cluster
        """

        timeout(3) {
          waitUntil {
            etcd_cluster_running = sh returnStdout: true, script: """
            kubectl get pods | grep etcd-cluster | grep -i running | grep 1/1 | wc -l
            """
            return etcd_cluster_running.toInteger() == 1
          }
        }
      }

      dir ("helm-charts") {
        stage('Install SR-IOV CNI and SR-IOV Network Device Plugin') {
          sh returnStdout: true, script: """
          kubectl delete crd network-attachment-definitions.k8s.cni.cncf.io || true
          helm install -f $HELMCONFIG -n mcord-setup cord/mcord-setup
          """

          timeout(1) {
            waitUntil {
              network_definition_crd_exist = sh returnStdout: true, script: """
              kubectl get crd -o json | jq -r '.items[].spec | select(.group=="k8s.cni.cncf.io").names.kind' |\
               grep -E 'NetworkAttachmentDefinition' | wc -l
              """
              return network_definition_crd_exist.toInteger() == 1
            }
          }

          // verification: sriov pods will be deployed for each machine
          timeout (1) {
              waitUntil {
                  num_sriov_pods = sh returnStdout: true, script: """
                  kubectl get pods -n kube-system | grep sriov | wc -l
                  """
                  return num_sriov_pods.toInteger() == deployment_config.nodes.size()
              }
          }

          // redeployment procedure for sriov pod
          // Sometimes a SR-IOV pod encounters "MountVolume.Setup failed". To resolve it, the SR-IOV pod need to be removed and redployed.
          max_retry_index = 100;
          for (int i = 0; i<max_retry_index; i++) {
              sh returnStdout: true, script: "sleep 30"

              sh script: """
              init_num_sriov=\$(kubectl get pods -n kube-system | grep sriov | grep Init | wc -l);
              for pod in \$(kubectl get pods -n kube-system | grep sriov | grep Init | awk '{print \$1}');
              do
                echo \$pod is initializing
                num_err_msgs=\$(kubectl describe pods \$pod -n kube-system | tail -4 | grep -E 'MountVolume.SetUp failed' | wc -l)
                if [ \$num_err_msgs > 0 ]; then
                    kubectl delete pod \$pod -n kube-system --force --grace-period=0
                fi
              done
              """
              sriov_all_ready = sh returnStdout: true, script: """
              kubectl get pods -n kube-system | grep sriov | grep Running | wc -l
              """
              if (sriov_all_ready.toInteger() == deployment_config.nodes.size()) {
                  break;
              }
          }

          // Sometimes tillerpod is up, but it's not ready to accept deployment yet
          // use helm ls to make sure it's ready.
          timeout(1) {
            waitUntil {
              helm_client_working = sh returnStatus: true, script: "helm ls"
              return helm_client_working == 0
            }
          }

          // Before Start to deploy services, we need to take 10 seconds wait
          sh returnStdout: true, script: "sleep 10"
        }
      }

      stage("Deploy M-CORD Services") {
        mcord_services_deployed = sh returnStatus: true, script: """
        helm install -f $HELMCONFIG -n mcord-services cord/mcord-services
        """
        return mcord_services_deployed == 0

        timeout (3) {
          waitUntil {
            // We should have 5 statefulsets: hss, hssdb, mme, spgwc, spgwu
            mcord_services_running = sh returnStdout: true, script: """
            kubectl get statefulset.apps -o json | jq '.items | length'
            """
            return mcord_services_running.toInteger() == 5
          }
        }
      }

      stage("Deploy CDN-Remote Services") {
        cdn_remote_service_deployed = sh returnStatus: true, script: """
        helm install -f $HELMCONFIG -n cdn-remote --set remote_streaming.antmedia_ip=${deployment_config.nodes[0].ip} \
        --set stream_name=360 --set remote_streaming.video_quality=360 cord/cdn-remote
        """
        return cdn_remote_service_deployed == 0

        timeout (3) {
            waitUntil {
            // Are AntMedia server and ffMPEG containers ready?
            cdn_remote_service_running = sh returnStdout: true, script: """
            kubectl get statefulset.apps -o json | jq '.items[].metadata.name' | grep -E 'antmedia|remote-streaming' | wc -l
            """
            return cdn_remote_service_running.toInteger() == 2
            }
        }
      }

      stage("Deploy CDN-Local Services") {
        //Is SPGW-U ready?
        timeout(3) {
            waitUntil {
                spgwu_running = sh returnStdout: true, script: """
                kubectl get pods | grep spgwu | grep Running | grep 1/1 | wc -l
                """
                return spgwu_running.toInteger() == 1
            }
        }

        cdn_local_service_deployed = sh returnStatus: true, script: """
        spgwu_ip=\$(kubectl exec -it spgwu-0  -- ip -4 addr show dev sgi-net | grep inet | awk '{print \$2}' | awk -F '/' '{print \$1}');
        helm install -f $HELMCONFIG -n cdn-local --set remote_ip=${deployment_config.nodes[0].ip} --set stream_name=360 \
        --set spgwu_sgiip=\$spgwu_ip cord/cdn-local
        """
        return cdn_local_service_deployed == 0

        timeout(3) {
            waitUntil {
                // Is NGINX ready?
                cdn_local_service_running = sh returnStdout: true, script: """
                kubectl get statefulset.apps -o json | jq '.items[].metadata.name' | grep -E 'nginx-rtmp' | wc -l
                """
                return cdn_local_service_running.toInteger() == 1
            }
        }
      }

      stage('Install CORD Kafka') {
        sh returnStdout: true, script: """
        helm install --version 0.8.8 --set configurationOverrides."offsets\\.topic\\.replication\\.factor"=1 \
          --set configurationOverrides."log\\.retention\\.hours"=4 \
          --set configurationOverrides."log\\.message\\.timestamp\\.type"="LogAppendTime" \
          --set replicas=1 --set persistence.enabled=false --set zookeeper.replicaCount=1 \
          --set zookeeper.persistence.enabled=false -n cord-kafka incubator/kafka
        """

        timeout(3) {
          waitUntil {
            kafka_instances_running = sh returnStdout: true, script: """
            kubectl get pods | grep cord-kafka | grep -i running | grep 1/1 | wc -l
            """
            return kafka_instances_running.toInteger() == 2
          }
        }
      }

      stage('Install Monitoring Infrastructure') {
        timeout(3) {
          sh returnStdout: true, script: """
          helm install -f $HELMCONFIG -n nem-monitoring cord/nem-monitoring --version 1.0.1
          helm-repo-tools/wait_for_pods.sh
          """
        }
      }

      stage('Install ONOS') {
        sh returnStdout: true, script: """
        helm install -n onos -f $HELMCONFIG cord/onos --version 1.1.0
        """

        timeout(3) {
          waitUntil {
            onos_completed = sh returnStdout: true, script: """
            kubectl get pods | grep -i onos | grep -i running | grep 1/1 | wc -l
            """
            return onos_completed.toInteger() == 1
          }
        }
      }

      stage('Install xos-core') {
        sh returnStdout: true, script: """
        helm install -f $HELMCONFIG -n xos-core cord/xos-core
        """

        timeout(3) {
          waitUntil {
            xos_core_running = sh returnStdout: true, script: """
            kubectl get pods | grep -i xos | grep -i running | grep 1/1 | wc -l
            """
            return xos_core_running.toInteger() == 6
          }
        }
      }
      stage('Install M-CORD Profile') {
        sh returnStdout: true, script: """
        helm install -f $HELMCONFIG -n mcord cord/mcord
        """

        timeout(5) {
          waitUntil {
            mcord_tosca_completed = sh returnStdout: true, script: """
            kubectl get pods | grep -i mcord-tosca-loader | grep -i completed | wc -l
            """
            return mcord_tosca_completed.toInteger() == 1
          }
        }
      }
/*
      stage('Install base-kubernetes') {
        sh returnStdout: true, script: """
        helm install -f $HELMCONFIG -n base-kubernetes cord/base-kubernetes
        """

        timeout(5) {
          waitUntil {
            base_kubernetes_tosca_completed = sh returnStdout: true, script: """
            kubectl get pods | grep -i base-kubernetes-tosca-loader | grep -i completed | wc -l
            """
            return base_kubernetes_tosca_completed.toInteger() == 1
          }
        }
      }
*/
      if ( params.configurePod ) {
        dir ("${configBaseDir}/${configToscaDir}/mcord") {
          stage('Configure MCORD - Fabric') {
            timeout(1) {
              waitUntil {
                out_fabric = sh returnStdout: true, script: """
                curl -s -H "xos-username:admin@opencord.org" -H "xos-password:letmein" -X POST \
                --data-binary @${configFileName}-fabric-cavium.yaml http://${deployment_config.nodes[0].ip}:30007/run |\
                 grep -i "created models" | wc -l
                """
                return out_fabric.toInteger() == 1
              }
            }
          }
        }
      }
    currentBuild.result = 'SUCCESS'
    } catch (err) {
      println err.meesage
      currentBuild.result = 'FAILURE'
      step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "${notificationEmail}", sendToIndividuals: false])
    }
    echo "RESULT: ${currentBuild.result}"
  }
}