参数

cls pg_shard: pg-citus
cls pg_group = 0:   pg-citus0
cls pg_group = 1:   pg-citus1
cls pg_group = 2:   pg-citus2
cls pg_group = 3:   pg-citus3

pg_exporters: # list all remote instances here, alloc a unique unused local port as k
    20001: { pg_cluster: pg-foo, pg_seq: 1, pg_host: 10.10.10.10 }
    20004: { pg_cluster: pg-foo, pg_seq: 2, pg_host: 10.10.10.11 }
    20002: { pg_cluster: pg-bar, pg_seq: 1, pg_host: 10.10.10.12 }
    20003: { pg_cluster: pg-bar, pg_seq: 1, pg_host: 10.10.10.13 }

# postgres business object definition, overwrite in group vars
pg_users: []                      # postgres business users
pg_databases: []                  # postgres business databases
pg_services: []                   # postgres business services
pg_hba_rules: []                  # business hba rules for postgres
pgb_hba_rules: []                 # business hba rules for pgbouncer
# global credentials, overwrite in global vars
pg_dbsu_password: ''              # dbsu password, empty string means no dbsu password by default
pg_replication_username: replicator
pg_replication_password: DBUser.Replicator
pg_admin_username: dbuser_dba
pg_admin_password: DBUser.DBA
pg_monitor_username: dbuser_monitor
pg_monitor_password: DBUser.Monitor

- name: dbuser_meta               # 必需，`name` 是用户定义的唯一必选字段
  password: DBUser.Meta           # 可选，密码，可以是 scram-sha-256 哈希字符串或明文
  login: true                     # 可选，默认情况下可以登录
  superuser: false                # 可选，默认为 false，是超级用户吗？
  createdb: false                 # 可选，默认为 false，可以创建数据库吗？
  createrole: false               # 可选，默认为 false，可以创建角色吗？
  inherit: true                   # 可选，默认情况下，此角色可以使用继承的权限吗？
  replication: false              # 可选，默认为 false，此角色可以进行复制吗？
  bypassrls: false                # 可选，默认为 false，此角色可以绕过行级安全吗？
  pgbouncer: true                 # 可选，默认为 false，将此用户添加到 pgbouncer 用户列表吗？（使用连接池的生产用户应该显式定义为 true）
  connlimit: -1                   # 可选，用户连接限制，默认 -1 禁用限制
  expire_in: 3650                 # 可选，此角色过期时间：从创建时 + n天计算（优先级比 expire_at 更高）
  expire_at: '2030-12-31'         # 可选，此角色过期的时间点，使用 YYYY-MM-DD 格式的字符串指定一个特定日期（优先级没 expire_in 高）
  comment: pigsty admin user      # 可选，此用户/角色的说明与备注字符串
  roles: [dbrole_admin]           # 可选，默认角色为：dbrole_{admin,readonly,readwrite,offline}
  parameters: {}                  # 可选，使用 `ALTER ROLE SET` 针对这个角色，配置角色级的数据库参数
  pool_mode: transaction          # 可选，默认为 transaction 的 pgbouncer 池模式，用户级别
  pool_connlimit: -1              # 可选，用户级别的最大数据库连接数，默认 -1 禁用限制
  search_path: public             # 可选，根据 postgresql 文档的键值配置参数（例如：使用 pigsty 作为默认 search_path）

- name: meta                      # 必选，`name` 是数据库定义的唯一必选字段
  baseline: cmdb.sql              # 可选，数据库 sql 的基线定义文件路径（ansible 搜索路径中的相对路径，如 files/）
  pgbouncer: true                 # 可选，是否将此数据库添加到 pgbouncer 数据库列表？默认为 true
  schemas: [pigsty]               # 可选，要创建的附加模式，由模式名称字符串组成的数组
  extensions:                     # 可选，要安装的附加扩展： 扩展对象的数组
    - { name: postgis , schema: public }  # 可以指定将扩展安装到某个模式中，也可以不指定（不指定则安装到 search_path 首位模式中）
    - { name: timescaledb }               # 例如有的扩展会创建并使用固定的模式，就不需要指定模式。
    - vector                              # 你也可以直接使用字符串指定扩展名称
  comment: pigsty meta database   # 可选，数据库的说明与备注信息
  owner: postgres                 # 可选，数据库所有者，默认为 postgres
  template: template1             # 可选，要使用的模板，默认为 template1，目标必须是一个模板数据库
  encoding: UTF8                  # 可选，数据库编码，默认为 UTF8（必须与模板数据库相同）
  locale: C                       # 可选，数据库地区设置，默认为 C（必须与模板数据库相同）
  lc_collate: C                   # 可选，数据库 collate 排序规则，默认为 C（必须与模板数据库相同），没有理由不建议更改。
  lc_ctype: C                     # 可选，数据库 ctype 字符集，默认为 C（必须与模板数据库相同）
  tablespace: pg_default          # 可选，默认表空间，默认为 'pg_default'
  allowconn: true                 # 可选，是否允许连接，默认为 true。显式设置 false 将完全禁止连接到此数据库
  revokeconn: false               # 可选，撤销公共连接权限。默认为 false，设置为 true 时，属主和管理员之外用户的 CONNECT 权限会被回收
  register_datasource: true       # 可选，是否将此数据库注册到 grafana 数据源？默认为 true，显式设置为 false 会跳过注册
  connlimit: -1                   # 可选，数据库连接限制，默认为 -1 ，不限制，设置为正整数则会限制连接数。
  pool_auth_user: dbuser_meta     # 可选，连接到此 pgbouncer 数据库的所有连接都将使用此用户进行验证（启用 pgbouncer_auth_query 才有用）
  pool_mode: transaction          # 可选，数据库级别的 pgbouncer 池化模式，默认为 transaction
  pool_size: 64                   # 可选，数据库级别的 pgbouncer 默认池子大小，默认为 64
  pool_size_reserve: 32           # 可选，数据库级别的 pgbouncer 池子保留空间，默认为 32，当默认池子不够用时，最多再申请这么多条突发连接。
  pool_size_min: 0                # 可选，数据库级别的 pgbouncer 池的最小大小，默认为 0
  pool_max_db_conn: 100           # 可选，数据库级别的最大数据库连接数，默认为 100

- name: standby                   # 必选，服务名称，最终的 svc 名称会使用 `pg_cluster` 作为前缀，例如：pg-meta-standby
  port: 5435                      # 必选，暴露的服务端口（作为 kubernetes 服务节点端口模式）
  ip: "*"                         # 可选，服务绑定的 IP 地址，默认情况下为所有 IP 地址
  selector: "[]"                  # 必选，服务成员选择器，使用 JMESPath 来筛选配置清单
  backup: "[? pg_role == `primary`]"  # 可选，服务成员选择器（备份），也就是当默认选择器选中的实例都宕机后，服务才会由这里选中的实例成员来承载
  dest: default                   # 可选，目标端口，default|postgres|pgbouncer|<port_number>，默认为 'default'，Default的意思就是使用 pg_default_service_dest 的取值来最终决定
  check: /sync                    # 可选，健康检查 URL 路径，默认为 /，这里使用 Patroni API：/sync ，只有同步备库和主库才会返回 200 健康状态码
  maxconn: 5000                   # 可选，允许的前端连接最大数，默认为5000
  balance: roundrobin             # 可选，haproxy 负载均衡算法（默认为 roundrobin，其他选项：leastconn）
  options: 'inter 3s fastinter 1s downinter 5s rise 3 fall 3 on-marked-down shutdown-sessions slowstart 30s maxconn 3000 maxqueue 128 weight 100'

- title: allow intranet password access
  role: common
  rules:
    - host   all  all  10.0.0.0/8      md5
    - host   all  all  172.16.0.0/12   md5
    - host   all  all  192.168.0.0/16  md5

- addr: 'intra'    # world|intra|infra|admin|local|localhost|cluster|<cidr>
  auth: 'pwd'      # trust|pwd|ssl|cert|deny|<official auth method>
  user: 'all'      # all|${dbsu}|${repl}|${admin}|${monitor}|<user>|<group>
  db: 'all'        # all|replication|....
  rules: []        # raw hba string precedence over above all
  title: allow intranet password access

pg_dbsu: postgres                 # os 数据库超级用户名称，默认为 postgres，最好不要更改
pg_dbsu_uid: 26                   # os 数据库超级用户 uid 和 gid，默认为 26，适用于默认的 postgres 用户和组
pg_dbsu_sudo: limit               # 数据库超级用户 sudo 权限，可选 none,limit,all,nopass。默认为 limit
pg_dbsu_home: /var/lib/pgsql      # postgresql 主目录，默认为 `/var/lib/pgsql`
pg_dbsu_ssh_exchange: true        # 是否在相同的 pgsql 集群中交换 postgres 数据库超级用户的 ssh 密钥
pg_version: 18                    # 要安装的 postgres 主版本，默认为 18
pg_bin_dir: /usr/pgsql/bin        # postgres 二进制目录，默认为 `/usr/pgsql/bin`
pg_log_dir: /pg/log/postgres      # postgres 日志目录，默认为 `/pg/log/postgres`
pg_packages:                      # 待安装的软件包列表，可以使用别名
  - pgsql-main pgsql-common
pg_extensions: []                 # 待安装的扩展列表，可以使用别名

pg_extensions: []

pg_data: /pg/data                 # postgres 数据目录，默认值为 `/pg/data`
pg_fs_main: /data/postgres        # postgres 主数据盘挂载点/路径，默认值为 `/data/postgres`
pg_fs_bkup: /data/backups         # postgres 备份数据盘挂载点/路径，默认值为 `/data/backups`
pg_storage_type: SSD              # postgres 主数据盘存储介质类型，默认值为 `SSD`
pg_dummy_filesize: 64MiB          # 紧急情况下占位符文件 `/pg/dummy` 的大小，默认值为 `64MiB`
pg_listen: '0.0.0.0'              # postgres/pgbouncer 监听地址，默认值为 `0.0.0.0`
pg_port: 5432                     # postgres 监听端口，默认值为 `5432`
pg_localhost: /var/run/postgresql # postgres 本地连接的 Unix 套接字目录，默认值为 `/var/run/postgresql`
patroni_enabled: true             # 如果禁用，在初始化期间将不会创建 postgres 集群
patroni_mode: default             # patroni 工作模式：default,pause,remove
pg_namespace: /pg                 # etcd 中的顶级键命名空间，由 patroni 和 vip 使用
patroni_port: 8008                # patroni 监听端口，默认为 8008
patroni_log_dir: /pg/log/patroni  # patroni 日志目录，默认为 `/pg/log/patroni`
patroni_ssl_enabled: false        # 是否使用 SSL 保护 patroni RestAPI 通信？
patroni_watchdog_mode: off        # patroni 看门狗模式：automatic,required,off。默认为 off
patroni_username: postgres        # patroni restapi 用户名，默认为 `postgres`
patroni_password: Patroni.API     # patroni restapi 密码，默认为 `Patroni.API`
pg_primary_db: postgres           # 主数据库名称，用于 citus 等，默认为 postgres
pg_parameters: {}                 # postgresql.auto.conf 中的额外参数
pg_files: []                      # 要复制到 postgres 数据目录的额外文件（例如许可证）
pg_conf: oltp.yml                 # 配置模板：oltp,olap,crit,tiny。默认为 `oltp.yml`
pg_max_conn: auto                 # postgres 最大连接数，`auto` 将使用推荐值
pg_shared_buffer_ratio: 0.25      # postgres 共享缓冲区比例，默认为 0.25，范围 0.1~0.4
pg_rto: 30                        # 恢复时间目标（秒），默认为 `30s`
pg_rpo: 1048576                   # 恢复点目标（字节），默认最多 `1MiB`
pg_libs: 'pg_stat_statements, auto_explain'  # 预加载库，默认为 `pg_stat_statements,auto_explain`
pg_delay: 0                       # 备用集群领导者的复制应用延迟
pg_checksum: true                 # 为 postgres 集群启用数据校验和？
pg_pwd_enc: scram-sha-256         # 密码加密算法：md5,scram-sha-256
pg_encoding: UTF8                 # 数据库集群编码，默认为 `UTF8`
pg_locale: C                      # 数据库集群区域设置，默认为 `C`
pg_lc_collate: C                  # 数据库集群排序规则，默认为 `C`
pg_lc_ctype: C                    # 数据库字符类型，默认为 `C`
#pgsodium_key: ""                 # pgsodium key, 64 hex digits, default to sha256(pg_cluster)
#pgsodium_getkey_script: ""       # pgsodium getkey script path, pgsodium_getkey by default

pg-test:
  hosts:
    10.10.10.11: { pg_seq: 1, pg_role: primary , pg_parameters: { shared_buffers: '5GB' } }
    10.10.10.12: { pg_seq: 2, pg_role: replica , pg_parameters: { shared_buffers: '4GB' } }
    10.10.10.13: { pg_seq: 3, pg_role: replica , pg_parameters: { shared_buffers: '3GB' } }

pg_files: [ license.lic ]

# 获取领导者租约的 TTL（以秒为单位）。将其视为启动自动故障转移过程之前的时间长度。默认值：30
ttl: {{ pg_rto }}

# 循环将休眠的秒数。默认值：10，这是 patroni 检查循环间隔
loop_wait: {{ (pg_rto / 3)|round(0, 'ceil')|int }}

# DCS 和 PostgreSQL 操作重试的超时时间（以秒为单位）。比这短的 DCS 或网络问题不会导致 Patroni 降级领导。默认值：10
retry_timeout: {{ (pg_rto / 3)|round(0, 'ceil')|int }}

# 主实例在触发故障转移之前允许从故障中恢复的时间（以秒为单位），最大 RTO：2 倍循环等待 + primary_start_timeout
primary_start_timeout: {{ (pg_rto / 3)|round(0, 'ceil')|int }}

citus,timescaledb,pg_stat_statements,auto_explain

pg_provision: true                # provision postgres cluster after bootstrap
pg_init: pg-init                  # provision init script for cluster template, `pg-init` by default
pg_default_roles:                 # default roles and users in postgres cluster
  - { name: dbrole_readonly  ,login: false ,comment: role for global read-only access     }
  - { name: dbrole_offline   ,login: false ,comment: role for restricted read-only access }
  - { name: dbrole_readwrite ,login: false ,roles: [dbrole_readonly]               ,comment: role for global read-write access }
  - { name: dbrole_admin     ,login: false ,roles: [pg_monitor, dbrole_readwrite]  ,comment: role for object creation }
  - { name: postgres     ,superuser: true                                          ,comment: system superuser }
  - { name: replicator ,replication: true  ,roles: [pg_monitor, dbrole_readonly]   ,comment: system replicator }
  - { name: dbuser_dba   ,superuser: true  ,roles: [dbrole_admin]  ,pgbouncer: true ,pool_mode: session, pool_connlimit: 16 , comment: pgsql admin user }
  - { name: dbuser_monitor   ,roles: [pg_monitor, dbrole_readonly] ,pgbouncer: true ,parameters: {log_min_duration_statement: 1000 } ,pool_mode: session ,pool_connlimit: 8 ,comment: pgsql monitor user }
pg_default_privileges:            # 管理员用户创建时的默认权限
  - GRANT USAGE      ON SCHEMAS   TO dbrole_readonly
  - GRANT SELECT     ON TABLES    TO dbrole_readonly
  - GRANT SELECT     ON SEQUENCES TO dbrole_readonly
  - GRANT EXECUTE    ON FUNCTIONS TO dbrole_readonly
  - GRANT USAGE      ON SCHEMAS   TO dbrole_offline
  - GRANT SELECT     ON TABLES    TO dbrole_offline
  - GRANT SELECT     ON SEQUENCES TO dbrole_offline
  - GRANT EXECUTE    ON FUNCTIONS TO dbrole_offline
  - GRANT INSERT     ON TABLES    TO dbrole_readwrite
  - GRANT UPDATE     ON TABLES    TO dbrole_readwrite
  - GRANT DELETE     ON TABLES    TO dbrole_readwrite
  - GRANT USAGE      ON SEQUENCES TO dbrole_readwrite
  - GRANT UPDATE     ON SEQUENCES TO dbrole_readwrite
  - GRANT TRUNCATE   ON TABLES    TO dbrole_admin
  - GRANT REFERENCES ON TABLES    TO dbrole_admin
  - GRANT TRIGGER    ON TABLES    TO dbrole_admin
  - GRANT CREATE     ON SCHEMAS   TO dbrole_admin
pg_default_schemas: [ monitor ]   # 默认模式
pg_default_extensions:            # 默认扩展
  - { name: pg_stat_statements ,schema: monitor }
  - { name: pgstattuple        ,schema: monitor }
  - { name: pg_buffercache     ,schema: monitor }
  - { name: pageinspect        ,schema: monitor }
  - { name: pg_prewarm         ,schema: monitor }
  - { name: pg_visibility      ,schema: monitor }
  - { name: pg_freespacemap    ,schema: monitor }
  - { name: postgres_fdw       ,schema: public  }
  - { name: file_fdw           ,schema: public  }
  - { name: btree_gist         ,schema: public  }
  - { name: btree_gin          ,schema: public  }
  - { name: pg_trgm            ,schema: public  }
  - { name: intagg             ,schema: public  }
  - { name: intarray           ,schema: public  }
  - { name: pg_repack }
pg_reload: true                   # HBA变化后是否重载配置？
pg_default_hba_rules:             # postgres 默认 HBA 规则集
  - {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: '${admin}'   ,db: all         ,addr: world     ,auth: ssl   ,title: 'admin @ everywhere with ssl & pwd'    }
  - {user: '+dbrole_readonly',db: all    ,addr: localhost ,auth: pwd   ,title: 'pgbouncer read/write via local socket'}
  - {user: '+dbrole_readonly',db: all    ,addr: intra     ,auth: pwd   ,title: 'read/write biz user via password'     }
  - {user: '+dbrole_offline' ,db: all    ,addr: intra     ,auth: pwd   ,title: 'allow etl offline tasks from intranet'}
pgb_default_hba_rules:            # pgbouncer 默认 HBA 规则集
  - {user: '${dbsu}'    ,db: pgbouncer   ,addr: local     ,auth: peer  ,title: 'dbsu local admin access with os ident'}
  - {user: 'all'        ,db: all         ,addr: localhost ,auth: pwd   ,title: 'allow all user local access with pwd' }
  - {user: '${monitor}' ,db: pgbouncer   ,addr: intra     ,auth: pwd   ,title: 'monitor access via intranet with pwd' }
  - {user: '${monitor}' ,db: all         ,addr: world     ,auth: deny  ,title: 'reject all other monitor access addr' }
  - {user: '${admin}'   ,db: all         ,addr: intra     ,auth: pwd   ,title: 'admin access via intranet with pwd'   }
  - {user: '${admin}'   ,db: all         ,addr: world     ,auth: deny  ,title: 'reject all other admin access addr'   }
  - {user: 'all'        ,db: all         ,addr: intra     ,auth: pwd   ,title: 'allow all user intra access with pwd' }

pg_default_roles:                 # default roles and users in postgres cluster
  - { name: dbrole_readonly  ,login: false ,comment: role for global read-only access     }
  - { name: dbrole_offline   ,login: false ,comment: role for restricted read-only access }
  - { name: dbrole_readwrite ,login: false ,roles: [dbrole_readonly]               ,comment: role for global read-write access }
  - { name: dbrole_admin     ,login: false ,roles: [pg_monitor, dbrole_readwrite]  ,comment: role for object creation }
  - { name: postgres     ,superuser: true                                          ,comment: system superuser }
  - { name: replicator ,replication: true  ,roles: [pg_monitor, dbrole_readonly]   ,comment: system replicator }
  - { name: dbuser_dba   ,superuser: true  ,roles: [dbrole_admin]  ,pgbouncer: true ,pool_mode: session, pool_connlimit: 16 , comment: pgsql admin user }
  - { name: dbuser_monitor   ,roles: [pg_monitor, dbrole_readonly] ,pgbouncer: true ,parameters: {log_min_duration_statement: 1000 } ,pool_mode: session ,pool_connlimit: 8 ,comment: pgsql monitor user }

pg_default_privileges:            # 管理员用户创建时的默认权限
  - GRANT USAGE      ON SCHEMAS   TO dbrole_readonly
  - GRANT SELECT     ON TABLES    TO dbrole_readonly
  - GRANT SELECT     ON SEQUENCES TO dbrole_readonly
  - GRANT EXECUTE    ON FUNCTIONS TO dbrole_readonly
  - GRANT USAGE      ON SCHEMAS   TO dbrole_offline
  - GRANT SELECT     ON TABLES    TO dbrole_offline
  - GRANT SELECT     ON SEQUENCES TO dbrole_offline
  - GRANT EXECUTE    ON FUNCTIONS TO dbrole_offline
  - GRANT INSERT     ON TABLES    TO dbrole_readwrite
  - GRANT UPDATE     ON TABLES    TO dbrole_readwrite
  - GRANT DELETE     ON TABLES    TO dbrole_readwrite
  - GRANT USAGE      ON SEQUENCES TO dbrole_readwrite
  - GRANT UPDATE     ON SEQUENCES TO dbrole_readwrite
  - GRANT TRUNCATE   ON TABLES    TO dbrole_admin
  - GRANT REFERENCES ON TABLES    TO dbrole_admin
  - GRANT TRIGGER    ON TABLES    TO dbrole_admin
  - GRANT CREATE     ON SCHEMAS   TO dbrole_admin

pg_default_extensions: # default extensions to be created
  - { name: pg_stat_statements ,schema: monitor }
  - { name: pgstattuple        ,schema: monitor }
  - { name: pg_buffercache     ,schema: monitor }
  - { name: pageinspect        ,schema: monitor }
  - { name: pg_prewarm         ,schema: monitor }
  - { name: pg_visibility      ,schema: monitor }
  - { name: pg_freespacemap    ,schema: monitor }
  - { name: postgres_fdw       ,schema: public  }
  - { name: file_fdw           ,schema: public  }
  - { name: btree_gist         ,schema: public  }
  - { name: btree_gin          ,schema: public  }
  - { name: pg_trgm            ,schema: public  }
  - { name: intagg             ,schema: public  }
  - { name: intarray           ,schema: public  }
  - { name: pg_repack }

pg_default_hba_rules:             # postgres default host-based authentication rules
  - {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: '+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'}

pgb_default_hba_rules:            # pgbouncer default host-based authentication rules
  - {user: '${dbsu}'    ,db: pgbouncer   ,addr: local     ,auth: peer  ,title: 'dbsu local admin access with os ident'}
  - {user: 'all'        ,db: all         ,addr: localhost ,auth: pwd   ,title: 'allow all user local access with pwd' }
  - {user: '${monitor}' ,db: pgbouncer   ,addr: intra     ,auth: pwd   ,title: 'monitor access via intranet with pwd' }
  - {user: '${monitor}' ,db: all         ,addr: world     ,auth: deny  ,title: 'reject all other monitor access addr' }
  - {user: '${admin}'   ,db: all         ,addr: intra     ,auth: pwd   ,title: 'admin access via intranet with pwd'   }
  - {user: '${admin}'   ,db: all         ,addr: world     ,auth: deny  ,title: 'reject all other admin access addr'   }
  - {user: 'all'        ,db: all         ,addr: intra     ,auth: pwd   ,title: 'allow all user intra access with pwd' }

pgbackrest_enabled: true          # 在 pgsql 主机上启用 pgBackRest 吗？
pgbackrest_clean: true            # 初始化时删除 pg 备份数据？
pgbackrest_log_dir: /pg/log/pgbackrest # pgbackrest 日志目录，默认为 `/pg/log/pgbackrest`
pgbackrest_method: local          # pgbackrest 仓库方法：local, minio, [用户定义...]
pgbackrest_repo:                  # pgbackrest 仓库：https://pgbackrest.org/configuration.html#section-repository
  local:                          # 默认使用本地 posix 文件系统的 pgbackrest 仓库
    path: /pg/backup              # 本地备份目录，默认为 `/pg/backup`
    retention_full_type: count    # 按计数保留完整备份
    retention_full: 2             # 使用本地文件系统仓库时，最多保留 3 个完整备份，至少保留 2 个
  minio:                          # pgbackrest 的可选 minio 仓库
    type: s3                      # minio 是与 s3 兼容的，所以使用 s3
    s3_endpoint: sss.pigsty       # minio 端点域名，默认为 `sss.pigsty`
    s3_region: us-east-1          # minio 区域，默认为 us-east-1，对 minio 无效
    s3_bucket: pgsql              # minio 桶名称，默认为 `pgsql`
    s3_key: pgbackrest            # pgbackrest 的 minio 用户访问密钥
    s3_key_secret: S3User.Backup  # pgbackrest 的 minio 用户秘密密钥
    s3_uri_style: path            # 对 minio 使用路径风格的 uri，而不是主机风格
    path: /pgbackrest             # minio 备份路径，默认为 `/pgbackrest`
    storage_port: 9000            # minio 端口，默认为 9000
    storage_ca_file: /etc/pki/ca.crt  # minio ca 文件路径，默认为 `/etc/pki/ca.crt`
    block: y                      # 启用块增量备份
    bundle: y                     # 将小文件捆绑在一起
    bundle_limit: 20MiB           # 文件捆绑限制，20MiB 用于对象存储
    bundle_size: 128MiB           # 文件捆绑目标大小，128MiB 用于对象存储
    cipher_type: aes-256-cbc      # 为远程备份仓库启用 AES 加密
    cipher_pass: pgBackRest       # AES 加密密码，默认为 'pgBackRest'
    retention_full_type: time     # 在 minio 仓库上按时间保留完整备份
    retention_full: 14            # 保留过去 14 天的完整备份

pgbackrest_repo:                  # pgbackrest 仓库：https://pgbackrest.org/configuration.html#section-repository
  local:                          # 默认使用本地 posix 文件系统的 pgbackrest 仓库
    path: /pg/backup              # 本地备份目录，默认为 `/pg/backup`
    retention_full_type: count    # 按计数保留完整备份
    retention_full: 2             # 使用本地文件系统仓库时，最多保留 3 个完整备份，至少保留 2 个
  minio:                          # pgbackrest 的可选 minio 仓库
    type: s3                      # minio 是与 s3 兼容的，所以使用 s3
    s3_endpoint: sss.pigsty       # minio 端点域名，默认为 `sss.pigsty`
    s3_region: us-east-1          # minio 区域，默认为 us-east-1，对 minio 无效
    s3_bucket: pgsql              # minio 桶名称，默认为 `pgsql`
    s3_key: pgbackrest            # pgbackrest 的 minio 用户访问密钥
    s3_key_secret: S3User.Backup  # pgbackrest 的 minio 用户秘密密钥
    s3_uri_style: path            # 对 minio 使用路径风格的 uri，而不是主机风格
    path: /pgbackrest             # minio 备份路径，默认为 `/pgbackrest`
    storage_port: 9000            # minio 端口，默认为 9000
    storage_ca_file: /etc/pki/ca.crt  # minio ca 文件路径，默认为 `/etc/pki/ca.crt`
    block: y                      # 启用块增量备份
    bundle: y                     # 将小文件捆绑在一起
    bundle_limit: 20MiB           # 文件捆绑限制，20MiB 用于对象存储
    bundle_size: 128MiB           # 文件捆绑目标大小，128MiB 用于对象存储
    cipher_type: aes-256-cbc      # 为远程备份仓库启用 AES 加密
    cipher_pass: pgBackRest       # AES 加密密码，默认为 'pgBackRest'
    retention_full_type: time     # 在 minio 仓库上按时间保留完整备份
    retention_full: 14            # 保留过去 14 天的完整备份

pgbouncer_enabled: true           # if disabled, pgbouncer will not be launched on pgsql host
pgbouncer_port: 6432              # pgbouncer listen port, 6432 by default
pgbouncer_log_dir: /pg/log/pgbouncer  # pgbouncer log dir, `/pg/log/pgbouncer` by default
pgbouncer_auth_query: false       # query postgres to retrieve unlisted business users?
pgbouncer_poolmode: transaction   # pooling mode: transaction,session,statement, transaction by default
pgbouncer_sslmode: disable        # pgbouncer client ssl mode, disable by default

pg_weight: 100          #INSTANCE # relative load balance weight in service, 100 by default, 0-255
pg_default_service_dest: pgbouncer # default service destination if svc.dest='default'
pg_default_services:              # postgres default service definitions
  - { name: primary ,port: 5433 ,dest: default  ,check: /primary   ,selector: "[]" }
  - { name: replica ,port: 5434 ,dest: default  ,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]"}
pg_vip_enabled: false             # 为pgsql主要实例启用l2 vip吗? 默认为false
pg_vip_address: 127.0.0.1/24      # `<ipv4>/<mask>`格式的vip地址，如果启用vip则需要
pg_vip_interface: eth0            # vip网络接口监听，默认为eth0
pg_dns_suffix: ''                 # pgsql dns后缀，默认为空
pg_dns_target: auto               # auto、primary、vip、none或特定的ip

pg_service_provider: infra       # use load balancer on group `infra`
pg_default_services:             # alloc port 10001 and 10002 for pg-test primary/replica service
  - { name: primary ,port: 10001 ,dest: postgres  ,check: /primary   ,selector: "[]" }
  - { name: replica ,port: 10002 ,dest: postgres  ,check: /read-only ,selector: "[]" , backup: "[? pg_role == `primary` || pg_role == `offline` ]" }

pg_default_services:               # postgres default service definitions
  - { name: primary ,port: 5433 ,dest: default  ,check: /primary   ,selector: "[]" }
  - { name: replica ,port: 5434 ,dest: default  ,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]"}

pg-test:
    hosts:
        10.10.10.11: {pg_seq: 1, pg_role: replica ,pg_vip_interface: eth0 }
        10.10.10.12: {pg_seq: 2, pg_role: primary ,pg_vip_interface: eth1 }
        10.10.10.13: {pg_seq: 3, pg_role: replica ,pg_vip_interface: eth2 }
    vars:
      pg_vip_enabled: true          # 为这个集群启用L2 VIP，默认绑定到主实例
      pg_vip_address: 10.10.10.3/24 # L2网络CIDR: 10.10.10.0/24, vip地址: 10.10.10.3
      # pg_vip_interface: eth1      # 如果您的节点有统一的接口，您可以在这里定义它

pg_exporter_enabled: true              # 在 pgsql 主机上启用 pg_exporter 吗？
pg_exporter_config: pg_exporter.yml    # pg_exporter 配置文件名
pg_exporter_cache_ttls: '1,10,60,300'  # pg_exporter 收集器 ttl 阶段（秒），默认为 '1,10,60,300'
pg_exporter_port: 9630                 # pg_exporter 监听端口，默认为 9630
pg_exporter_params: 'sslmode=disable'  # pg_exporter dsn 的额外 url 参数
pg_exporter_url: ''                    # 如果指定，将覆盖自动生成的 pg dsn
pg_exporter_auto_discovery: true       # 启用自动数据库发现？默认启用
pg_exporter_exclude_database: 'template0,template1,postgres' # 在自动发现过程中不会被监控的数据库的 csv 列表
pg_exporter_include_database: ''       # 在自动发现过程中将被监控的数据库的 csv 列表
pg_exporter_connect_timeout: 200       # pg_exporter 连接超时（毫秒），默认为 200
pg_exporter_options: ''                # 覆盖 pg_exporter 的额外选项
pgbouncer_exporter_enabled: true       # 在 pgsql 主机上启用 pgbouncer_exporter 吗？
pgbouncer_exporter_port: 9631          # pgbouncer_exporter 监听端口，默认为 9631
pgbouncer_exporter_url: ''             # 如果指定，将覆盖自动生成的 pgbouncer dsn
pgbouncer_exporter_options: ''         # 覆盖 pgbouncer_exporter 的额外选项
pgbackrest_exporter_enabled: true      # 在 pgsql 主机上启用 pgbackrest_exporter 吗？
pgbackrest_exporter_port: 9854         # pgbackrest_exporter 监听端口，默认为 9854
pgbackrest_exporter_options: ''        # 覆盖 pgbackrest_exporter 的额外选项

ttl_fast: "{{ pg_exporter_cache_ttls.split(',')[0]|int }}"         # critical queries
ttl_norm: "{{ pg_exporter_cache_ttls.split(',')[1]|int }}"         # common queries
ttl_slow: "{{ pg_exporter_cache_ttls.split(',')[2]|int }}"         # slow queries (e.g table size)
ttl_slowest: "{{ pg_exporter_cache_ttls.split(',')[3]|int }}"      # ver slow queries (e.g bloat)

postgres://{{ pg_monitor_username }}:{{ pg_monitor_password }}@{{ pg_host }}:{{ pg_port }}/postgres{% if pg_exporter_params != '' %}?{{ pg_exporter_params }}{% endif %}

{% if pg_exporter_port != '' %}
PG_EXPORTER_OPTS='--web.listen-address=:{{ pg_exporter_port }} {{ pg_exporter_options }}'
{% else %}
PG_EXPORTER_OPTS='--web.listen-address=:{{ pg_exporter_port }} --log.level=info'
{% endif %}

postgres://{{ pg_monitor_username }}:{{ pg_monitor_password }}@:{{ pgbouncer_port }}/pgbouncer?host={{ pg_localhost }}&sslmode=disable

{% if pgbouncer_exporter_options != '' %}
PG_EXPORTER_OPTS='--web.listen-address=:{{ pgbouncer_exporter_port }} {{ pgbouncer_exporter_options }}'
{% else %}
PG_EXPORTER_OPTS='--web.listen-address=:{{ pgbouncer_exporter_port }} --log.level=info'
{% endif %}

pg_safeguard: false               # stop pg_remove running if pg_safeguard is enabled, false by default
keep_data: false                  # keep postgres data during remove? false by default
keep_backup: false                # keep pgbackrest backup during remove? false by default
keep_package: false               # keep postgres packages during remove? false by default