// 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 file") {
                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}/${configFileName}.yaml"
            }
            stage('Clean up') {
                timeout(10) {
                    sh returnStdout: true, script: """
                    export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                    helm init --upgrade --force-upgrade
                    """

                    timeout(1) {
                        waitUntil {
                            tillerpod_running = sh returnStdout: true, script: """
                            export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                            kubectl -n kube-system get pods | grep tiller-deploy | grep Running | grep 1/1 | wc -l
                            """
                            return tillerpod_running.toInteger() == 1
                        }
                    }

                    sh returnStdout: true, script: """
                    export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                    for hchart in \$(helm list -q | grep -E -v 'docker-registry|mavenrepo|ponnet');
                    do
                        echo "Purging chart: \${hchart}"
                        helm delete --purge "\${hchart}"
                    done
                    """

                    timeout(5) {
                        waitUntil {
                            helm_deleted = sh returnStdout: true, script: """
                            export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                            helm ls -q | grep -E -v 'docker-registry|mavenrepo|ponnet' | wc -l
                            """
                            return helm_deleted.toInteger() == 0
                        }
                    }
                    timeout(5) {
                        waitUntil {
                            kubectl_deleted = sh returnStdout: true, script: """
                            export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                            kubectl get pods --all-namespaces --no-headers | grep -E -v 'kube-system|docker-registry|mavenrepo|ponnet' | wc -l
                            """
                            return kubectl_deleted.toInteger() == 0
                        }
                    }
                }
            }
            stage('Add Helm repositories') {
                sh returnStdout: true, script: """
                export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                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: """
                        export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                        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: """
                        export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                        helm repo list | grep cord | wc -l
                        """
                        return cord_repo_present.toInteger() == 1
                    }
                }
            }

            stage("Install M-CORD Control Plane Services") {
                sh returnStdout: true, script: """
                export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                helm install -n mcord-control-plane --namespace epc -f $WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.yml --set spgwu_s1u_ip=${dataplane_s1u_ip} --set accelleran_hostname=${accelleran_bbu_ip} cord/mcord-control-plane
                """

                timeout(20) {
                    control_plane = sh returnStdout: true, script: """
                    export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                    kubectl -n epc get pods | grep -i running | grep 1/1 | wc -l
                    """
                    // We have 4 pods: cassandra, hss, mme and ngic-cp
                    return control_plane.toInteger() == 4
                }
            }

            // TODO: Use --namespace wowz to create the namespace
            stage("Install CDN Remote Services") {
                sh returnStdout: true, script: """
                export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf
                helm install -n cdn-remote cord/mcord-cdn-remote -f $WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.yml
                """

                timeout(3) {
                    waitUntil {
                        mcord_remote_cdn_working = sh returnStdout: true, script: """
                        export KUBECONFIG=$WORKSPACE/${configBaseDir}/${configKubernetesDir}/${configFileName}.conf &&
                        kubectl -n wowz get pods -o wide | grep -i running | grep 1/1 | wc -l
                        """
                        return mcord_remote_cdn_working.toInteger() == 2
                    }
                }
            }

            currentBuild.result = 'SUCCESS'
        } catch (err) {
            println err.message
            currentBuild.result = 'FAILURE'
            step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "${notificationEmail}", sendToIndividuals: false])
        }
        echo "RESULT: ${currentBuild.result}"
    }
}