/**
 *
 * Launch heat stack with basic k8s
 * Flow parameters:
 *   STACK_TYPE                 Orchestration engine: heat, ''
 *   INSTALL                    What should be installed (k8s, openstack, ...)
 *   TEST                       What should be tested (k8s, openstack, ...)
 *
 * Expected parameters:
 *
 * required for STACK_TYPE=heat
 *   HEAT_TEMPLATE_URL          URL to git repo with Heat templates
 *   HEAT_TEMPLATE_CREDENTIALS  Credentials to the Heat templates repo
 *   HEAT_TEMPLATE_BRANCH       Heat templates repo branch
 *   HEAT_STACK_TEMPLATE        Heat stack HOT template
 *   HEAT_STACK_ENVIRONMENT     Heat stack environmental parameters
 *   HEAT_STACK_ZONE            Heat stack availability zone
 *   HEAT_STACK_PUBLIC_NET      Heat stack floating IP pool
 *   HEAT_STACK_DELETE          Delete Heat stack when finished (bool)
 *   HEAT_STACK_CLEANUP_JOB     Name of job for deleting Heat stack
 *   HEAT_STACK_REUSE           Reuse Heat stack (don't create one)
 *   OPENSTACK_API_URL          OpenStack API address
 *   OPENSTACK_API_CREDENTIALS  Credentials to the OpenStack API
 *   OPENSTACK_API_PROJECT      OpenStack project to connect to
 *   OPENSTACK_API_CLIENT       Versions of OpenStack python clients
 *   OPENSTACK_API_VERSION      Version of the OpenStack API (2/3)
 *
 *   SALT_MASTER_CREDENTIALS    Credentials to the Salt API
 *
 * required for STACK_TYPE=NONE or empty string
 *   SALT_MASTER_URL            URL of Salt-API

 *   K8S_API_SERVER             Kubernetes API address
 *   K8S_CONFORMANCE_IMAGE      Path to docker image with conformance e2e tests
 *
 */

git = new com.mirantis.mk.Git()
openstack = new com.mirantis.mk.Openstack()
salt = new com.mirantis.mk.Salt()
orchestrate = new com.mirantis.mk.Orchestrate()

node {

    //
    // Prepare machines
    //

    stage ('Create infrastructure') {
        if (STACK_TYPE == 'heat') {
            // value defaults
            def openstackCloud
            def openstackVersion = OPENSTACK_API_CLIENT ? OPENSTACK_API_CLIENT : 'liberty'
            def openstackEnv = "${env.WORKSPACE}/venv"


            if (HEAT_STACK_NAME == '') {
                HEAT_STACK_NAME = BUILD_TAG
            }

            // get templates
            git.checkoutGitRepository('template', HEAT_TEMPLATE_URL, HEAT_TEMPLATE_BRANCH, HEAT_TEMPLATE_CREDENTIALS)

            // create openstack env
            openstack.setupOpenstackVirtualenv(openstackEnv, openstackVersion)
            openstackCloud = openstack.createOpenstackEnv(OPENSTACK_API_URL, OPENSTACK_API_CREDENTIALS, OPENSTACK_API_PROJECT)
            openstack.getKeystoneToken(openstackCloud, openstackEnv)


            // launch stack
            if (HEAT_STACK_REUSE == 'false') {
                stage('Launch new Heat stack') {
                    // create stack
                    envParams = [
                        'instance_zone': HEAT_STACK_ZONE,
                        'public_net': HEAT_STACK_PUBLIC_NET
                    ]
                    openstack.createHeatStack(openstackCloud, HEAT_STACK_NAME, HEAT_STACK_TEMPLATE, envParams, HEAT_STACK_ENVIRONMENT, openstackEnv)
                }
            }

            // get SALT_MASTER_URL
            saltMasterHost = openstack.getHeatStackOutputParam(openstackCloud, HEAT_STACK_NAME, 'salt_master_ip', openstackEnv)
            SALT_MASTER_URL = "http://${saltMasterHost}:8088"
        }
    }

    //
    // Connect to Salt master
    //

    def saltMaster
    stage('Connect to Salt API') {
        saltMaster = salt.connection(SALT_MASTER_URL, SALT_MASTER_CREDENTIALS)
    }

    //
    // Install
    //

    stage('Install core infrastructure') {
        // salt.master, reclass
        // refresh_pillar
        // sync_all
        // linux,openssh,salt.minion.ntp

        orchestrate.installFoundationInfra(saltMaster)

        if (INSTALL.toLowerCase().contains('kvm')) {
            orchestrate.installInfraKvm(saltMaster)
        }

        orchestrate.validateFoundationInfra(saltMaster)
    }


    // install k8s
    if (INSTALL.toLowerCase().contains('k8s')) {
        stage('Install Kubernetes infra') {
            orchestrate.installOpenstackMcpInfra(saltMaster)
        }

        stage('Install Kubernetes control') {
            orchestrate.installOpenstackMcpControl(saltMaster)
        }

    }

    // install openstack
    if (INSTALL.toLowerCase().contains('openstack')) {
        // install Infra and control, tests, ...

        stage('Install OpenStack infra') {
            orchestrate.installOpenstackMkInfra(saltMaster)
        }

        stage('Install OpenStack control') {
            orchestrate.installOpenstackMkControl(saltMaster)
        }

        stage('Install OpenStack network') {
            orchestrate.installOpenstackMkNetwork(saltMaster)
        }

        stage('Install OpenStack compute') {
            orchestrate.installOpenstackMkCompute(saltMaster)
        }

    }

    //
    // Test
    //

    if (TEST.toLowerCase().contains('k8s')) {
        stage('Run k8s bootstrap tests') {
            orchestrate.runConformanceTests(saltMaster, K8S_API_SERVER, 'tomkukral/k8s-scripts')
        }

        stage('Run k8s conformance e2e tests') {
            orchestrate.runConformanceTests(saltMaster, K8S_API_SERVER, K8S_CONFORMANCE_IMAGE)
        }
    }


    //
    // Clean
    //

    if (HEAT_STACK_DELETE == 'true' && STACK_TYPE == 'heat') {
        stage('Trigger cleanup job') {
            build job: 'deploy_heat_cleanup', parameters: [[$class: 'StringParameterValue', name: 'HEAT_STACK_NAME', value: HEAT_STACK_NAME]]
        }
    }
}