// Pipeline expects genesis to be setup according to the documentation
// including networks, disks, ntp, ip rules, etc.. manually.
// https://airship-treasuremap.readthedocs.io/en/latest/authoring_and_deployment.html#genesis-node

// shared libaries used within the pipeline
// https://github.com/att-comdev/cicd/blob/master/vars


import org.yaml.snakeyaml.Yaml
import org.yaml.snakeyaml.DumperOptions;

import groovy.json.JsonSlurperClassic
import groovy.json.JsonOutput

PEGLEG_IMAGE = 'quay.io/airshipit/pegleg:178c058474fb632806e281673d3eaf6be80fa854'

KEYSTONE_URL = 'https://iam.atlantafoundry.com'
SHIPYARD_URL = 'https://shipyard.atlantafoundry.com/api/v1.0'
uuid = UUID.randomUUID().toString()

SITE_NAME='airship-seaworthy'
IPMI_CREDS = 'airship-seaworthy-ipmi'

GENESIS_IP = '10.23.21.11'
GENESIS_CREDS = 'airship-seaworthy-key'

GENESIS_IPMI_IP = '10.23.104.11'
GENESIS_CEPH_DISKS = ['b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k']

IPMI_IPS = ['10.23.104.12',
            '10.23.104.13',
            '10.23.104.14',
            '10.23.104.17',
            '10.23.104.19']

AIRSHIP_MANIFESTS_REPO = 'https://git.openstack.org/openstack/airship-treasuremap'
DISPLAY_NAME = 'manual'

if (env.GERRIT_REFSPEC) {
    AIRSHIP_MANIFESTS_REF = GERRIT_REFSPEC
    DISPLAY_NAME = GERRIT_EVENT_TYPE
} else if (AIRSHIP_MANIFESTS_REF == 'uplift') {
    DISPLAY_NAME = 'uplift'
}

currentBuild.displayName = "#${BUILD_NUMBER} ${DISPLAY_NAME}"


//// git utils

def clone(String url, String ref){

    def refspec = ''

    // override refspec if patchset provided
    if (ref.contains('refs')) {
        refspec = "${ref}:${ref}"
    }

    // base uplift on latest master
    if (ref == 'uplift') {
        ref = 'master'
    }

    checkout poll: false,
    scm: [$class: 'GitSCM',
         branches: [[name: ref]],
         doGenerateSubmoduleConfigurations: false,
         extensions: [[$class: 'CleanBeforeCheckout']],
         submoduleCfg: [],
         userRemoteConfigs: [[refspec: refspec,
         url: url ]]]
}


//// bare-metal utils

def reset_bare_metal = {
    stage ('Bare-Metal Reset') {

        withCredentials([usernamePassword(credentialsId: IPMI_CREDS,
                                      usernameVariable: 'IUSER',
                                      passwordVariable: 'IPASS')]) {

            def auth = redfish.getBasicAuth(IUSER, IPASS)

            // power cycle genesis
            redfish.powerOff(GENESIS_IPMI_IP, auth)
            redfish.powerOn(GENESIS_IPMI_IP, auth)

            // shutdown all other nodes
            IPMI_IPS.each() {
                redfish.powerOff(it, auth)
            }
        }

    }
}


//// manifest utils

def resolve_versions = {

    def versions = readYaml file: 'global/software/config/versions.yaml'
    PROMENADE_IMAGE = versions.data.images.ucp.promenade.promenade

    def shipyard = readYaml file: "site/${SITE_NAME}/secrets/passphrases/ucp_shipyard_keystone_password.yaml"
    SHIPYARD_PASSWD = shipyard.data
}

def pegleg_site_collect = {
    stage('Pegleg Site Collect') {

        configFileProvider([configFile(fileId: 'airship-seaworthy-site-definition',
            targetLocation: 'site/airship-seaworthy/site-definition.yaml')]) {
        }

        withCredentials([sshUserPrivateKey(credentialsId: 'jenkins-attcomdev-key',
                keyFileVariable: 'SSH_KEY',
                usernameVariable: 'SSH_USER')]) {

            sh "cp ${SSH_KEY} ssh-key"

            auth = "-u ${SSH_USER} -k /target/ssh-key"
            cmd = "pegleg site ${auth} -r /target collect ${SITE_NAME} -s /target/${SITE_NAME}"
            sh "sudo docker run --rm -t -v \$(pwd):/target ${PEGLEG_IMAGE} ${cmd}"
        }

        sh "tar czf site-config.tar.gz ${SITE_NAME}"

        archiveArtifacts 'site-config.tar.gz'
    }
}

def prom_config_gen = {
    stage ("Promenade Config Gen") {

        sh "mkdir -p promenade-bundle"

        opts = '--rm -t -w /target -v $(pwd):/target'
        cmd = "promenade build-all --validators -o promenade-bundle ${SITE_NAME}/*.yaml"
        sh "sudo docker run ${opts} ${PROMENADE_IMAGE} ${cmd}"

        sh 'tar czf promenade-bundle.tar.gz promenade-bundle'
        archiveArtifacts 'promenade-bundle.tar.gz'
    }
}


//// genesis utils

def genesis_cleanup = {
    stage('Genesis Cleanup') {

        dfiles = ['airship-promenade',
                  'promenade-bundle',
                  'promenade-bundle.tar.gz',
                  SITE_NAME,
                  'airship-seaworthy.tar.gz',
                  'debug-cab23-r720-11.tgz',
                  '/var/lib/docker',
                  '/var/lib/kubelet']

        dfiles.each() {
           ssh.cmd (GENESIS_CREDS, GENESIS_IP, "sudo rm -rf ${it}")
        }

        ssh.cmd (GENESIS_CREDS, GENESIS_IP,
                'git clone https://git.openstack.org/openstack/airship-promenade')
        ssh.cmd (GENESIS_CREDS, GENESIS_IP,
                'sudo -S airship-promenade/tools/cleanup.sh -f')

        GENESIS_CEPH_DISKS.each() {
            ssh.cmd(GENESIS_CREDS, GENESIS_IP,
                    "sudo parted -s /dev/sd${it} mklabel gpt")
        }
    }
}

def debug_report = {
    ssh.cmd (GENESIS_CREDS, GENESIS_IP, 'sudo debug-report.sh')
    ssh.get (GENESIS_CREDS, GENESIS_IP, 'debug-cab23-r720-11.tgz', '.')

    archiveArtifacts 'debug-cab23-r720-11.tgz'
}

def genesis_deploy = {
    stage('Genesis Deploy') {

        try {

            ssh.put(GENESIS_CREDS, GENESIS_IP, 'promenade-bundle.tar.gz', '.')
            ssh.cmd(GENESIS_CREDS, GENESIS_IP, 'tar xvzf promenade-bundle.tar.gz')

            timeout (90) {
                ssh.cmd(GENESIS_CREDS, GENESIS_IP,
                           'sudo promenade-bundle/genesis.sh')

                // fixme: there is notable initial slowness likely due to coredns
                // going out of service and taking time to recover
                // this is a long time issue and needs to be taken look at
                retry(2) {
                    ssh.cmd(GENESIS_CREDS, GENESIS_IP,
                            'sudo -S promenade-bundle/validate-genesis.sh')
                }
            }

            sleep 120 // wait for k8s to calm down

        } catch (err) {
            debug_report()
            error(err)
        }
    }
}

def shipyard_deploy = { action ->
    try {
        def req = keystone.retrieveToken(SHIPYARD_PASSWD, KEYSTONE_URL, false)
        def token = req.getHeaders()["X-Subject-Token"][0]
        shipyard2.uploadConfig(uuid, token, SHIPYARD_URL, SITE_NAME)
        shipyard2.waitAction(action, uuid, SHIPYARD_URL, SHIPYARD_PASSWD, KEYSTONE_URL, false)

    } catch (err) {
        debug_report()
        error(err)
    }

    ssh.cmd(GENESIS_CREDS, GENESIS_IP,
            'sudo kubectl get pods --all-namespaces -o wide -a=false')
}


//// uplift utils

def uplift_versions = {
    stage('Uplift Versions') {
        sh 'sudo apt-get install python3-yaml python3-git -y'

        def cmd = 'tools/updater.py --in-file global/software/config/versions.yaml'

        if (!UPLIFT_BLACKLIST.isEmpty()) {
           cmd += " --skip ${UPLIFT_BLACKLIST}"
        }

        sh cmd
        sh 'git diff'
    }
}

def uplift_review = {
    withCredentials([sshUserPrivateKey(credentialsId: 'jenkins-uplifter-key',
            keyFileVariable: 'SSH_KEY',
            usernameVariable: 'SSH_USER')]) {

        sh 'sudo apt-get install git-review -y'

        sh "cp ${SSH_KEY} ~/.ssh/id_rsa"

        sh "ssh-keyscan -p 29418 review.openstack.org >> ~/.ssh/known_hosts"

        sh "git clone ssh://${SSH_USER}@review.openstack.org:29418/openstack/airship-treasuremap"
        sh "scp -p -P 29418 ${SSH_USER}@review.openstack.org:hooks/commit-msg airship-treasuremap/.git/hooks/"

        sh "cp global/software/config/versions.yaml airship-treasuremap/global/software/config/versions.yaml"

        dir ('airship-treasuremap') {
            sh "git config --global user.name 'Jenkins Uplifter'"
            sh "git config --global user.email ${SSH_USER}@gmail.com"
            sh "git config --global gitreview.username ${SSH_USER}"

            sh 'git checkout -b versions/uplift'

            sh 'git add global/software/config/versions.yaml'
            sh 'git status'
            sh 'git commit -m "Auto chart/image uplift to latest"'

            sh 'git review -s'
            sh 'git review'
        }
    }

    // send a Slack message to request review/merge
    def msg = 'Latest charts/images passed green-field deployment, and sanity tests.\n' +
              'A patchset is published and ready to review/merge:\n' +
              'https://review.openstack.org/#/q/owner:jenkins.uplifter%2540gmail.com+status:open'

    if (!UPLIFT_BLACKLIST.isEmpty()) {
       msg += "\n\nBlacklisted charts/images: ${UPLIFT_BLACKLIST}"
    }

    try {
        notify.msg(msg, '#integration')
    } catch (err) {
        // tolerate Slack errors as not critical for success
        print "Failed to send Slack message: ${err}"
        currentBuild.result = 'UNSTABLE'
    }
}


//// test utils

def sanity_tests = {
    stage('Sanity Tests') {

        sh 'sudo apt-get install nmap -y'

        withEnv(['TERM_OPTS=-i',
                 'OSH_EXT_SUBNET=',
                 'OSH_BR_EX_ADDR=']) {
            sh 'tools/tests.sh'
        }
    }
}


//// main flow

vm(timeout: 360,
   publicNet: 'foundry',
   artifactoryLogs: ARTIFACTORY_LOGS.toBoolean()) {
    // wait and make sure genesis is up
    ssh.wait (GENESIS_CREDS, GENESIS_IP, 'hostname')


    // disable docker/kubelet services
    // this is done to be able to properly cleanup genesis after reboot
    ssh.cmd (GENESIS_CREDS, GENESIS_IP,
             'sudo systemctl disable kubelet')
    ssh.cmd (GENESIS_CREDS, GENESIS_IP,
             'sudo systemctl disable docker')

    sh 'sudo apt-get update'
    sh 'sudo apt-get install docker.io -y'

    reset_bare_metal()

    clone(AIRSHIP_MANIFESTS_REPO, AIRSHIP_MANIFESTS_REF)

    // use updater tool to pull latest charts/images
    if (AIRSHIP_MANIFESTS_REF == 'uplift') {
        uplift_versions()
    }

    resolve_versions()

    pegleg_site_collect()
    prom_config_gen()

    stage ('Genesis Wait') {
        ssh.wait (GENESIS_CREDS, GENESIS_IP, 'hostname')
    }

    genesis_cleanup()
    genesis_deploy()

    timeout(240) {
        shipyard_deploy('deploy_site')
    }

    sanity_tests()

    if (AIRSHIP_MANIFESTS_REF == 'uplift') {
        uplift_review()
    }
}