type: install
jpsVersion: '1.7.2'
name: WordPress Performance Cluster
id: wp-performance-cluster
categories:
  - apps/clusters
  - apps/content-management
description:
  #text: WordPress Cluster Kit with highly available Load Balancer and Shared Storage with GlusterFS, database clustering, and scaling mode to create an optimal environment for highly-loaded projects. The package provides integrated autoscaling and high availability for development and production environments. Clustered topology ensures effective handling of heavy workload.
  #short: WordPress Cluster with built-in kit v2 for choosing optimal servers, database clustering type, scaling mode and a set of advanced features for highly-loaded projects
logo: /images/wp-cluster-kit.svg

baseUrl: https://deploy.mightybox.io/kits/wp-performance-cluster/raw/branch/main

onBeforeInit: /scripts/beforeInit.js?_r=${fn.random}
onBeforeInstall: /scripts/beforeInstall.js?_r=${fn.random}

skipNodeEmails: true
nodes: definedInOnBeforeInstall

settings:
  fields:
  
  - type: displayfield
    hideLabel: true
    hidden: true
    name: bl_count
    value: 1
    markup:
  # - caption: Number of App servers
  # - caption: Scalable app servers limit
  # - caption: App server base vCPU
  # - caption: App server scalable vCPU
  # - caption: PHP Version
  
  # - caption: Email credentials
  #   type: checkbox
  #   name: ls-addon
  #   value: true
  #   disabled: false
  #   tooltip: "If this option is enabled, environment details (including WP admin logins) will be emailed to you upon successful deployment."

  # - caption: Database type (single or clustered)
  # relay & OCP
  # s3 offloading

mixins:
  - /scripts/common.yml

globals:
  PATH: ${baseUrl}
  DB_USER: ${settings.DB_USER:user-[fn.random]}
  DB_PASS: ${settings.DB_PASS:[fn.password(10)]}
  DB_HOST: sqldb
  PROTOCOL: https
  WP_ADMIN_PASS: ${settings.WP_ADMIN_PASS:[fn.password(10)]}
  LS_ADMIN_PASS: ${settings.LS_ADMIN_PASS:[fn.password(10)]}

onInstall:
  - setupDB
  - addLimits
  #- addMetadata
  - setDomain # why is this necessary?
  - initLEsettings
  #- if (${settings.is_trigger:true}): setTriggers
  - optimization
  - setupCacheSync
  - storageHealthCheck
  - storageMount: NFS4
  - setPassword
  - getRedisPswd
  - installWordpress
  #- if ('${settings.mu-addon:false}' == 'true'): configureMultisite  
  
  - script: |
      var actions = [];
      actions.push({
        jps: "https://github.com/jelastic-jps/lets-encrypt/blob/master/manifest.jps?_r=${fn.random}",
        nodeGroup: "bl",
        skipEmail: "true",
        settings: {
          customDomains: "${globals.DOMAIN}",
          fallbackToX1: "true",
          withExtIp: "${globals.isExtIP}"
        }
      });
      return { result: 0, onAfterReturn: { install: actions } };

  - setupLEdomain

  - install: 
    - jps: /scripts/cacheClean.jps?_r=${fn.random}
    - jps: /scripts/addons.jps?_r=${fn.random}
    - jps: /scripts/events.jps?_r=${fn.random}
  
  #instant login, root access, and other addons  
  
  - return:
      type: success
      message: /success/text/success.md?_r=${fn.random}
      email: /success/email/success.md?_r=${fn.random}

actions:
  setupDB:
    - cmd[sqldb]: |-
        #jem passwd set -p wow #use if need to reset DB password
        USER=${DB_USER}
        PASSWORD=${DB_PASS}
        MYSQL=`which mysql`
        cmd="CREATE USER '$USER'@'localhost' IDENTIFIED BY '$PASSWORD'; CREATE USER '$USER'@'%' IDENTIFIED BY '$PASSWORD'; GRANT ALL PRIVILEGES ON *.* TO '$USER'@'localhost' WITH GRANT OPTION; GRANT ALL PRIVILEGES ON *.* TO '$USER'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES;"
        $MYSQL -uroot -p${nodes.sqldb.password} --execute="$cmd"
      user: root
      
  addLimits: #what does this do?
    - env.control.ApplyNodeGroupData [*]:
        data:
          isRequired: true

  # addMetadata:
  #   script: |
  #     var metadata = { project: "${settings.project:default}", projectScope: "${settings.projectScope:production}" };
  #     return api.env.control.ApplyEnvProperty ?
  #       api.env.control.ApplyEnvProperty('${env.name}', session, metadata) :
  #       api.env.control.ApplyNodeGroupData('${env.name}', session, 'cp', metadata);

  setDomain:
    - script: /scripts/idna.js
      domains: ${env.domain}
    - setGlobals:
        DOMAIN: ${response.domains}
        
  # setTriggers:
  #   - log: Auto Scaling Triggers
  #   - script: /scripts/addTriggers.js
  #     nodeGroup: cp
  #     resourceType: CPU
  #     loadGrowth: 'slow'
  #     cleanOldTriggers: true
  #     scaleDownLimit: ${nodes.cp.length}

  initLEsettings:
    # I don't think we need to check this. Just set to true.
    # - script: |
    #     return {
    #       result:0,
    #       extIP: Boolean(jelastic.billing.account.GetQuotas('environment.externalip.enabled').array[0].value)
    #     }
    # - setGlobals:
    #     isExtIP: ${response.extIP}
    
    - setGlobals:
        isExtIP: true

    - cmd[cp, bl]: |-
        [ ! -d /var/lib/jelastic/keys/letsencrypt ] && mkdir -p /var/lib/jelastic/keys/letsencrypt;
        echo "webroot=false" > /var/lib/jelastic/keys/letsencrypt/settings-custom;
        echo "webrootPath=/var/www/webroot/ROOT" >> /var/lib/jelastic/keys/letsencrypt/settings-custom;
        echo "test=false" >> /var/lib/jelastic/keys/letsencrypt/settings-custom;
        echo "withExtIp=${globals.isExtIP}" >> /var/lib/jelastic/keys/letsencrypt/settings-custom;
      user: root

  setupLEdomain:
    - cmd[${nodes.bl.master.id}]: source /opt/letsencrypt/settings && echo $domain
    - cmd[${nodes.cp.master.id}]: bash ~/bin/setupWP.sh --url https://${response.out};

  optimization:
    - log: Load Balancers and App servers optimization
    - install:
      - jps: https://raw.githubusercontent.com/jelastic/templates/master/config_v2.jps?_r=${fn.random}
        settings:
          targetGroup: bl
          targetNodes: bl
          optimization: wordpress
      - jps: https://raw.githubusercontent.com/jelastic/templates/master/config_v2.jps?_r=${fn.random}
        settings:
          targetGroup: cp
          targetNodes: cp
          optimization: wordpress
    - cmd[cp, bl]: if test -f /usr/local/sbin/optimization.sh; then bash /usr/local/sbin/optimization.sh &>> /var/log/run.log; fi
  
  setPassword:
    - cmd[cp, bl]: jem passwd set -p ${globals.LS_ADMIN_PASS}
      user: root

  storageMount:
    - log: Mount Storage
    - api:
      - method: jelastic.environment.file.AddMountPointByGroup
        params:
          nodeGroup: cp
          sourceNodeId: ${nodes.storage.master.id}
          sourcePath: /data
          path: /var/www/webroot/ROOT
          sourceAddressType: NODE_GROUP
          protocol: ${this}
          
  storageHealthCheck:
    - cmd[cp]: |-
        echo "<?php http_response_code(500); ?>" > /var/www/webroot/ROOT/index.php

  #configureMultisite:
  #  - install: /addons/multisite.jps

  getRedisPswd:
    - cmd[nosqldb]: cat /etc/redis.conf | tail -1 | awk '{print $2}';
    - setGlobals:
        REDIS_PSWD: ${response.out}

  installWordpress:
    - install: /scripts/installWP.jps
      settings:
        db_host: ${globals.DB_HOST}
        db_user: ${globals.DB_USER}
        db_pass: ${globals.DB_PASS}
        redis_host: nosqldb
        redis_port: 6379
        redis_user: admin
        redis_pswd: ${globals.REDIS_PSWD}
        wp_admin_pass: ${globals.WP_ADMIN_PASS}
        wp_title: "Hello World"
        wp_url: ${globals.PROTOCOL}://${globals.DOMAIN}/
        version_wordpress: ${globals.version_wordpress}

  setupCacheSync:
    - if (/litespeed/.test("${nodes.bl.nodeType}")):
      - install: /scripts/setupHA4LB.jps?_r=${fn.random}
  
  updateTriggers:
    if (!${event.params.auto:true}):
      - log: update scaling trigger
      - script: /scripts/updateTriggers.js
        count: ${nodes.cp.length}
  
# other stuff - basic BB optimizations should be applied here
# use WP redis cache plugin instead of litespeed redis cache
# Use https://plugintests.com/plugins/wporg/litespeed-cache/tips to disable ls cache page?