4-node: mssql

./configure -c mssql

all:
  children:

    #----------------------------------#
    # infra: monitor, alert, repo, etc..
    #----------------------------------#
    infra: { hosts: { 10.10.10.10: { infra_seq: 1 } } }

    #----------------------------------#
    # etcd cluster for HA postgres DCS
    #----------------------------------#
    etcd: { hosts: { 10.10.10.10: { etcd_seq: 1 } }, vars: { etcd_cluster: etcd } }

    #----------------------------------#
    # pgsql (singleton on current node)
    #----------------------------------#
    # this is an example single-node postgres cluster
    pg-meta:
      hosts:
        10.10.10.10: { pg_seq: 1, pg_role: primary } # <---- primary instance with read-write capability
      vars:
        pg_cluster: pg-meta
        pg_users:                           # create MSSQL superuser
          - {name: dbuser_mssql ,password: DBUser.MSSQL ,superuser: true, pgbouncer: true ,roles: [dbrole_admin], comment: superuser & owner for babelfish  }
        pg_databases:
          - name: mssql
            baseline: mssql.sql             # init babelfish database & user
            extensions:
              - { name: uuid-ossp          }
              - { name: babelfishpg_common }
              - { name: babelfishpg_tsql   }
              - { name: babelfishpg_tds    }
              - { name: babelfishpg_money  }
              - { name: pg_hint_plan       }
              - { name: system_stats       }
              - { name: tds_fdw            }
            owner: dbuser_mssql
            parameters: { 'babelfishpg_tsql.migration_mode' : 'multi-db' }
            comment: babelfish cluster, a MSSQL compatible pg cluster

    #----------------------------------#
    # pgsql (3-node pgsql/mssql cluster)
    #----------------------------------#
    pg-test:
      hosts:
        10.10.10.11: { pg_seq: 1, pg_role: primary }
        10.10.10.12: { pg_seq: 2, pg_role: replica }
        10.10.10.13: { pg_seq: 3, pg_role: replica, pg_offline_query: true }
      vars:
        pg_cluster: pg-test
        pg_users:                           # create MSSQL superuser
          - {name: dbuser_mssql ,password: DBUser.MSSQL ,superuser: true, pgbouncer: true ,roles: [dbrole_admin], comment: superuser & owner for babelfish  }
        pg_primary_db: mssql                # use `mssql` as the primary sql server database
        pg_databases:
          - name: mssql
            baseline: mssql.sql             # init babelfish database & user
            extensions:
              - { name: uuid-ossp          }
              - { name: babelfishpg_common }
              - { name: babelfishpg_tsql   }
              - { name: babelfishpg_tds    }
              - { name: babelfishpg_money  }
              - { name: pg_hint_plan       }
              - { name: system_stats       }
              - { name: tds_fdw            }
            owner: dbuser_mssql
            parameters: { 'babelfishpg_tsql.migration_mode' : 'single-db' }
            comment: babelfish cluster, a MSSQL compatible pg cluster

  vars:

    #----------------------------------#
    # Meta Data
    #----------------------------------#
    version: v3.1.0                   # pigsty version string
    admin_ip: 10.10.10.10             # admin node ip address
    region: default                   # upstream mirror region: default,china,europe
    infra_portal:                     # domain names and upstream servers
      home         : { domain: h.pigsty }
      grafana      : { domain: g.pigsty ,endpoint: "${admin_ip}:3000" , websocket: true }
      prometheus   : { domain: p.pigsty ,endpoint: "${admin_ip}:9090" }
      alertmanager : { domain: a.pigsty ,endpoint: "${admin_ip}:9093" }
      blackbox     : { endpoint: "${admin_ip}:9115" }
      loki         : { endpoint: "${admin_ip}:3100" }

    #----------------------------------#
    # NODE, PGSQL, MSSQL
    #----------------------------------#
    pg_version: 15                     # The current WiltonDB major version is 15
    pg_packages:                       # install forked version of postgresql with babelfishpg support
      - wiltondb patroni pgbouncer pgbackrest pg_exporter pgbadger vip-manager
    pg_extensions: [ ]                 # do not install any vanilla postgresql extensions
    pg_mode: mssql                     # Microsoft SQL Server Compatible Mode
    pg_libs: 'babelfishpg_tds, pg_stat_statements, auto_explain' # add timescaledb to shared_preload_libraries
    pg_default_hba_rules: # overwrite default HBA rules for babelfish cluster
      - { user: '${dbsu}'    ,db: all         ,addr: local     ,auth: ident ,title: 'dbsu access via local os user ident' }
      - { user: '${dbsu}'    ,db: replication ,addr: local     ,auth: ident ,title: 'dbsu replication from local os ident' }
      - { user: '${repl}'    ,db: replication ,addr: localhost ,auth: pwd   ,title: 'replicator replication from localhost' }
      - { user: '${repl}'    ,db: replication ,addr: intra     ,auth: pwd   ,title: 'replicator replication from intranet' }
      - { user: '${repl}'    ,db: postgres    ,addr: intra     ,auth: pwd   ,title: 'replicator postgres db from intranet' }
      - { user: '${monitor}' ,db: all         ,addr: localhost ,auth: pwd   ,title: 'monitor from localhost with password' }
      - { user: '${monitor}' ,db: all         ,addr: infra     ,auth: pwd   ,title: 'monitor from infra host with password' }
      - { user: '${admin}'   ,db: all         ,addr: infra     ,auth: ssl   ,title: 'admin @ infra nodes with pwd & ssl' }
      - { user: '${admin}'   ,db: all         ,addr: world     ,auth: ssl   ,title: 'admin @ everywhere with ssl & pwd' }
      - { user: dbuser_mssql ,db: mssql       ,addr: intra     ,auth: md5   ,title: 'allow mssql dbsu intranet access' } # <--- use md5 auth method for mssql user
      - { user: '+dbrole_readonly',db: all    ,addr: localhost ,auth: pwd   ,title: 'pgbouncer read/write via local socket' }
      - { user: '+dbrole_readonly',db: all    ,addr: intra     ,auth: pwd   ,title: 'read/write biz user via password' }
      - { user: '+dbrole_offline' ,db: all    ,addr: intra     ,auth: pwd   ,title: 'allow etl offline tasks from intranet' }
    pg_default_services: # route primary & replica service to mssql port 1433
      - { name: primary ,port: 5433 ,dest: 1433  ,check: /primary   ,selector: "[]" }
      - { name: replica ,port: 5434 ,dest: 1433  ,check: /read-only ,selector: "[]" , backup: "[? pg_role == `primary` || pg_role == `offline` ]" }
      - { name: default ,port: 5436 ,dest: postgres ,check: /primary   ,selector: "[]" }
      - { name: offline ,port: 5438 ,dest: postgres ,check: /replica   ,selector: "[? pg_role == `offline` || pg_offline_query ]" , backup: "[? pg_role == `replica` && !pg_offline_query]" }

    # download wiltondb instead of postgresql kernel
    repo_modules: node,pgsql,infra,mssql
    repo_packages: [ node-bootstrap, infra-package, infra-addons, node-package1, node-package2, pgsql-utility ]
    repo_extra_packages: [ wiltondb, sqlcmd ] # replace pgsql kernel with wiltondb/babelfish