postgres-extended-9.6_repmgr-3.2_pgpool-3.6_barman-2.3.yml

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version: '2'
networks:
    cluster:
        driver: bridge

volumes:
    pgmaster:
    pgslave1:
    pgslave2:
    pgslave3:
    pgslave4:
    backup:

services:
    pgmaster:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
            NODE_ID: 1 # Integer number of node (not required if can be extracted from NODE_NAME var, e.g. node-45 => 1045)
            NODE_NAME: node1 # Node name
            CLUSTER_NODE_NETWORK_NAME: pgmaster # (default: hostname of the node)
            
            PARTNER_NODES: "pgmaster,pgslave1,pgslave3"
            REPLICATION_PRIMARY_HOST: pgmaster # That should be ignored on the same node
            
            NODE_PRIORITY: 100  # (default: 100)
            SSH_ENABLE: 1
            #database we want to use for application
            POSTGRES_PASSWORD: monkey_pass
            POSTGRES_USER: monkey_user
            POSTGRES_DB: monkey_db
            CLEAN_OVER_REWIND: 0
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "listen_addresses:'*';max_replication_slots:5;shared_preload_libraries:'pglogical'"
                                  # in format variable1:value1[,variable2:value2[,...]] if CONFIGS_DELIMITER_SYMBOL=, and CONFIGS_ASSIGNMENT_SYMBOL=:
                                  # used for pgpool.conf file
            #defaults:
            CLUSTER_NAME: pg_cluster # default is pg_cluster
            REPLICATION_DB: replication_db # default is replication_db
            REPLICATION_USER: replication_user # default is replication_user
            REPLICATION_PASSWORD: replication_pass # default is replication_pass
            
        ports:
            - 5422:5432
        volumes:
            - pgmaster:/var/lib/postgresql/data
            - ./ssh/:/tmp/.ssh/keys
        networks:
            cluster:
                aliases:
                    - pgmaster
#<<< Branch 1
    pgslave1:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
            NODE_ID: 2
            NODE_NAME: node2
            CLUSTER_NODE_NETWORK_NAME: pgslave1 # (default: hostname of the node)
            SSH_ENABLE: 1
            PARTNER_NODES: "pgmaster,pgslave1,pgslave3"
            REPLICATION_PRIMARY_HOST: pgmaster
            CLEAN_OVER_REWIND: 1
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "max_replication_slots:10;shared_preload_libraries:'pglogical'" #some overrides
        ports:
            - 5441:5432
        volumes:
            - pgslave1:/var/lib/postgresql/data
            - ./ssh:/tmp/.ssh/keys
        networks:
            cluster:
                aliases:
                    - pgslave1

    # Add more slaves if required
    pgslave2:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
            NODE_ID: 3
            NODE_NAME: node3
            CLUSTER_NODE_NETWORK_NAME: pgslave2 # (default: hostname of the node)

            REPLICATION_PRIMARY_HOST: pgslave1 # I want to have cascade Streeming replication
            #USE_REPLICATION_SLOTS: 0
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "listen_addresses:'*';shared_preload_libraries:'pglogical'"
        ports:
            - 5442:5432
        volumes:
            - pgslave2:/var/lib/postgresql/data
        networks:
            cluster:
                aliases:
                    - pgslave2
#>>> Branch 1
#<<< Branch 2
    pgslave3:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
            NODE_ID: 4
            NODE_NAME: node4
            CLUSTER_NODE_NETWORK_NAME: pgslave3 # (default: hostname of the node)
            SSH_ENABLE: 1
            PARTNER_NODES: "pgmaster,pgslave1,pgslave3"
            REPLICATION_PRIMARY_HOST: pgmaster
            NODE_PRIORITY: 200  # (default: 100)
            CLEAN_OVER_REWIND: 1
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "listen_addresses:'*';shared_preload_libraries:'pglogical'"
        ports:
            - 5443:5432
        volumes:
            - pgslave3:/var/lib/postgresql/data
            - ./ssh:/tmp/.ssh/keys
        networks:
            cluster:
                aliases:
                    - pgslave3

    pgslave4:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
            NODE_ID: 5
            NODE_NAME: node5
            CLUSTER_NODE_NETWORK_NAME: pgslave4 # (default: hostname of the node)

            REPLICATION_PRIMARY_HOST: pgslave3
            #USE_REPLICATION_SLOTS: 0
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "listen_addresses:'*';shared_preload_libraries:'pglogical'"
        ports:
            - 5444:5432
        volumes:
            - pgslave4:/var/lib/postgresql/data
        networks:
            cluster:
                aliases:
                    - pgslave4
#>>> Branch 2
    backup:
        build:
            context: ../src
            dockerfile: Barman-2.3-Postgres-9.6.Dockerfile
        environment:
            REPLICATION_USER: replication_user # default is replication_user
            REPLICATION_PASSWORD: replication_pass # default is replication_pass
            REPLICATION_HOST: pgmaster
            POSTGRES_PASSWORD: monkey_pass
            POSTGRES_USER: monkey_user
            POSTGRES_DB: monkey_db
            SSH_ENABLE: 1
            BACKUP_SCHEDULE: "*/30 */5 * * *"
        volumes:
            - backup:/var/backups
            - ./ssh:/tmp/.ssh/keys
        networks:
            cluster:
                aliases:
                    - backup
    pgpool:
        build:
            context: ../src
            dockerfile: Pgpool-3.6-Postgres-9.6.Dockerfile
        environment:
            PCP_USER: pcp_user
            PCP_PASSWORD: pcp_pass
            WAIT_BACKEND_TIMEOUT: 60

            CHECK_USER: monkey_user
            CHECK_PASSWORD: monkey_pass
            CHECK_PGCONNECT_TIMEOUT: 3 #timout for checking if primary node is healthy
            SSH_ENABLE: 1
            DB_USERS: monkey_user:monkey_pass # in format user:password[,user:password[...]]
            BACKENDS: "0:pgmaster:5432:1:/var/lib/postgresql/data:ALLOW_TO_FAILOVER,1:pgslave1::::,3:pgslave3::::,2:pgslave2::::" #,4:pgslaveDOES_NOT_EXIST::::
                      # in format num:host:port:weight:data_directory:flag[,...]
                      # defaults:
                      #   port: 5432
                      #   weight: 1
                      #   data_directory: /var/lib/postgresql/data
                      #   flag: ALLOW_TO_FAILOVER
            REQUIRE_MIN_BACKENDS: 3 # minimal number of backends to start pgpool (some might be unreachable)
            CONFIGS: "num_init_children:250,max_pool:4"
                      # in format variable1:value1[,variable2:value2[,...]] if CONFIGS_DELIMITER_SYMBOL=, and CONFIGS_ASSIGNMENT_SYMBOL=:
                      # used for pgpool.conf file
        ports:
            - 5430:5432
            - 9898:9898 # PCP
        volumes:
            - ./ssh:/tmp/.ssh/keys
        networks:
            cluster:
                aliases:
                    - pgpool
# the rest is for tests
    postgres_ext:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
          NODE_ID: 101 
          NODE_NAME: node101 # Node name
          CLUSTER_NODE_NETWORK_NAME: postgres_ext # (default: hostname of the node)
          POSTGRES_PASSWORD: monkey_pass
          POSTGRES_USER: monkey_user
          POSTGRES_DB: monkey_db
          CLEAN_OVER_REWIND: 0
          CONFIGS_DELIMITER_SYMBOL: ;
          CONFIGS: "listen_addresses:'*';shared_preload_libraries:'pglogical'"
    postgres_conf:
        build:
          context: ../src/
          dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:
          NODE_NAME: node-102 # Node name
          CLUSTER_NODE_NETWORK_NAME: postgres_conf # (default: hostname of the node)
          POSTGRES_PASSWORD: monkey_pass
          POSTGRES_USER: monkey_user
          POSTGRES_DB: monkey_db
          CLEAN_OVER_REWIND: 0
          CONFIGS: "listen_addresses)'some_host'|max_replication_slots)55"
          CONFIGS_DELIMITER_SYMBOL: "|"
          CONFIGS_ASSIGNMENT_SYMBOL: ")"
    pgpool_conf:
        build:
            context: ../src
            dockerfile: Pgpool-3.6-Postgres-9.6.Dockerfile
        environment:
            PCP_USER: pcp_user
            PCP_PASSWORD: pcp_pass

            CHECK_USER: monkey_user
            CHECK_PASSWORD: monkey_pass

            CHECK_PGCONNECT_TIMEOUT: 3 #timout for checking if primary node is healthy
            DB_USERS: monkey_user:monkey_pass # in format user:password[,user:password[...]]
            CONFIGS: "num_init_children)12|max_pool)13"
            CONFIGS_DELIMITER_SYMBOL: "|"
            CONFIGS_ASSIGNMENT_SYMBOL: ")"
        ports:
            - 5440:5432
            - 9897:9898 # PCP
    pgmaster2:
        build:
            context: ../src
            dockerfile: Postgres-extended-9.6-Repmgr-3.2.Dockerfile
        environment:

            NODE_ID: 1
            NODE_NAME: node1
            CLUSTER_NODE_NETWORK_NAME: pgmaster2

            POSTGRES_PASSWORD: monkey_pass
            POSTGRES_USER: monkey_user
            POSTGRES_DB: monkey_db
            CONFIGS_DELIMITER_SYMBOL: ;
            CONFIGS: "listen_addresses:'*';shared_preload_libraries:'pglogical'"
        ports:
            - 5439:5432
        networks:
            cluster:
                aliases:
                    - pgmaster2
    pgpool2:
        build:
            context: ../src
            dockerfile: Pgpool-3.6-Postgres-9.6.Dockerfile
        depends_on:
            - pgmaster
            - pgmaster2
        environment:
            PCP_USER: pcp_user
            PCP_PASSWORD: pcp_pass

            CHECK_USER: monkey_user
            CHECK_PASSWORD: monkey_pass
            CHECK_PGCONNECT_TIMEOUT: 3 #timout for checking if primary node is healthy

            DB_USERS: monkey_user:monkey_pass # in format user:password[,user:password[...]]
            BACKENDS: "0:pgmaster::::,1:pgmaster2::::"
        ports:
            - 5431:5432
            - 9899:9898 # PCP
        networks:
            cluster:
                aliases:
                    - pgpool2