manifest.yaml

type: install
version: 1.7
id: postgres-master-slave
baseUrl: https://raw.githubusercontent.com/jelastic-jps/postgres/v2.0.0
homepage: https://www.virtuozzo.com/application-platform-docs/postgresql-database-replication/
logo: /images/postgres-70x70.png
name: PostgreSQL Primary-Secondary Cluster
description:
  text: |
    PostgreSQL Primary-Secondary Cluster for improving data availability with asynchronous replication. 
    PostgreSQL is a powerful, open source object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
  short: PostgreSQL Primary-Secondary Cluster with asynchronous replication.

categories:
  - apps/clustered-dbs
  - apps/clusters

settings:
  fields:
    - caption: Version
      name: nodeType
      type: list    
      values: 
        - value: postgres12
          caption: PostgreSQL 12
        - value: postgres13
          caption: PostgreSQL 13
        - value: postgres14
          caption: PostgreSQL 14
        - value: postgres15
          caption: PostgreSQL 15
      default: postgres15
    - type: toggle
      caption: Pgpool-II enabled
      name: is_pgpool2
      tooltip: <h3 align=center>Pgpool-II Load Balancer</h3>Scalable and Highly Available load balancer layer to distribute requests and manage PostgreSQL replication topology. New LB and DB nodes are automatically added into the cluster upon scaling.<br><img width='330' height='280' src='https://raw.githubusercontent.com/DmytroZubelevych/postgres/v2.0.0/images/pgpool-postgres-single-region.svg?sanitize=true'>
      value: true

nodes:
  cloudlets: 32
  count: 2
  scalingMode: STATELESS
  nodeType: ${settings.nodeType}
  password: ${fn.password}  
  cluster:
    is_pgpool2: ${settings.is_pgpool2}
    
onInstall:
  - cmd[${nodes.sqldb.master.id}]: jcm getPswd
  - setGlobals:
      pswd: ${response.out}
  - if ('${settings.is_pgpool2}' == 'true'):
    - cmd[${nodes.pgpool.master.id}]: cat /var/lib/pgsql/.pcppass |awk -F ':' '{print $4}'
    - setGlobals:
        pgpoolPasswd: '${response.out}'
        successPath: /text/success-pgpool.md?_r=${fn.random}
  - else:
    - setGlobals:
        successPath: /text/success.md?_r=${fn.random}

startPage: ${nodes.sqldb.master.url}
success: 
  email: false
  text: ${globals.successPath}