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add pg18 config template
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‎conf/pg18.yml‎

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---
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#==============================================================#
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# File : pg18.yml
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# Desc : Pigsty default 1-node config for pg18 beta
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# Ctime : 2025-05-06
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# Mtime : 2025-05-06
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# Docs : https://pigsty.io/docs/conf/meta
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# License : AGPLv3 @ https://pigsty.io/docs/about/license
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# Copyright : 2018-2025 Ruohang Feng / Vonng (rh@vonng.com)
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#==============================================================#
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all:
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#==============================================================#
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# Clusters, Nodes, and Modules
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#==============================================================#
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children:
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#----------------------------------#
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# infra: monitor, alert, repo, etc..
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#----------------------------------#
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infra:
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hosts:
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10.10.10.10: { infra_seq: 1 }
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vars:
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docker_enabled: true # enabled docker with ./docker.yml
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#docker_registry_mirrors: ["https://docker.1ms.run", "https://docker.m.daocloud.io"]
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#----------------------------------#
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# etcd cluster for HA postgres DCS
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#----------------------------------#
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etcd:
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hosts:
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10.10.10.10: { etcd_seq: 1 }
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vars:
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etcd_cluster: etcd
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#----------------------------------#
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# minio (OPTIONAL backup repo)
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#----------------------------------#
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#minio:
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# hosts:
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# 10.10.10.10: { minio_seq: 1 }
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# vars:
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# minio_cluster: minio
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#----------------------------------#
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# pgsql (singleton on current node)
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#----------------------------------#
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# this is an example single-node postgres cluster with pgvector installed, with one biz database & two biz users
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pg-meta:
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hosts:
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10.10.10.10: { pg_seq: 1, pg_role: primary } # <---- primary instance with read-write capability
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#x.xx.xx.xx: { pg_seq: 2, pg_role: replica } # <---- read only replica for read-only online traffic
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#x.xx.xx.xy: { pg_seq: 3, pg_role: offline } # <---- offline instance of ETL & interactive queries
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vars:
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pg_cluster: pg-meta # required identity parameter, usually same as group name
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# define business databases here: https://pigsty.io/docs/pgsql/db/
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pg_databases: # define business databases on this cluster, array of database definition
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- name: meta # REQUIRED, `name` is the only mandatory field of a database definition
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baseline: cmdb.sql # optional, database sql baseline path, (relative path among ansible search path, e.g: files/)
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schemas: [ pigsty ] # optional, additional schemas to be created, array of schema names
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extensions: # optional, additional extensions to be installed: array of `{name[,schema]}`
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- { name: vector } # install pgvector extension on this database by default
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comment: pigsty meta database # optional, comment string for this database
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#pgbouncer: true # optional, add this database to pgbouncer database list? true by default
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#owner: postgres # optional, database owner, postgres by default
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#template: template1 # optional, which template to use, template1 by default
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#encoding: UTF8 # optional, database encoding, UTF8 by default. (MUST same as template database)
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#locale: C # optional, database locale, C by default. (MUST same as template database)
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#lc_collate: C # optional, database collate, C by default. (MUST same as template database)
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#lc_ctype: C # optional, database ctype, C by default. (MUST same as template database)
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#tablespace: pg_default # optional, default tablespace, 'pg_default' by default.
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#allowconn: true # optional, allow connection, true by default. false will disable connect at all
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#revokeconn: false # optional, revoke public connection privilege. false by default. (leave connect with grant option to owner)
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#register_datasource: true # optional, register this database to grafana datasources? true by default
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#connlimit: -1 # optional, database connection limit, default -1 disable limit
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#pool_auth_user: dbuser_meta # optional, all connection to this pgbouncer database will be authenticated by this user
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#pool_mode: transaction # optional, pgbouncer pool mode at database level, default transaction
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#pool_size: 64 # optional, pgbouncer pool size at database level, default 64
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#pool_size_reserve: 32 # optional, pgbouncer pool size reserve at database level, default 32
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#pool_size_min: 0 # optional, pgbouncer pool size min at database level, default 0
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#pool_max_db_conn: 100 # optional, max database connections at database level, default 100
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#- { name: grafana ,owner: dbuser_grafana ,revokeconn: true ,comment: grafana primary database } # define another database
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# define business users here: https://pigsty.io/docs/pgsql/user/
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pg_users: # define business users/roles on this cluster, array of user definition
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- name: dbuser_meta # REQUIRED, `name` is the only mandatory field of a user definition
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password: DBUser.Meta # optional, password, can be a scram-sha-256 hash string or plain text
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login: true # optional, can log in, true by default (new biz ROLE should be false)
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superuser: false # optional, is superuser? false by default
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createdb: false # optional, can create database? false by default
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createrole: false # optional, can create role? false by default
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inherit: true # optional, can this role use inherited privileges? true by default
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replication: false # optional, can this role do replication? false by default
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bypassrls: false # optional, can this role bypass row level security? false by default
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pgbouncer: true # optional, add this user to pgbouncer user-list? false by default (production user should be true explicitly)
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connlimit: -1 # optional, user connection limit, default -1 disable limit
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expire_in: 3650 # optional, now + n days when this role is expired (OVERWRITE expire_at)
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expire_at: '2030-12-31' # optional, YYYY-MM-DD 'timestamp' when this role is expired (OVERWRITTEN by expire_in)
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comment: pigsty admin user # optional, comment string for this user/role
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roles: [dbrole_admin] # optional, belonged roles. default roles are: dbrole_{admin,readonly,readwrite,offline}
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parameters: {} # optional, role level parameters with `ALTER ROLE SET`
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pool_mode: transaction # optional, pgbouncer pool mode at user level, transaction by default
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pool_connlimit: -1 # optional, max database connections at user level, default -1 disable limit
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- { name: dbuser_view ,password: DBUser.Viewer ,pgbouncer: true ,roles: [dbrole_readonly], comment: read-only viewer for meta database }
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# define pg extensions: https://pigsty.io/docs/pgext/
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pg_libs: 'pg_stat_statements, auto_explain' # add timescaledb to shared_preload_libraries
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pg_extensions: [ pgvector ] # check list for available extension for your pg & os combination: https://pigsty.io/ext/list
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# define HBA rules here: https://pigsty.io/docs/pgsql/hba/#define-hba
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pg_hba_rules: # example hba rules
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- {user: dbuser_view , db: all ,addr: infra ,auth: pwd ,title: 'allow grafana dashboard access cmdb from infra nodes'}
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#pg_vip_enabled: true # define a L2 VIP which bind to cluster primary instance
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#pg_vip_address: 10.10.10.2/24 # L2 VIP Address and netmask
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#pg_vip_interface: eth1 # L2 VIP Network interface, overwrite on host vars if member have different network interface names
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node_crontab: [ '00 01 * * * postgres /pg/bin/pg-backup full' ] # make a full backup every 1am
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#==============================================================#
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# Global Parameters
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#==============================================================#
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vars:
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#----------------------------------#
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# Meta Data
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#----------------------------------#
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version: v3.4.1 # pigsty version string
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admin_ip: 10.10.10.10 # admin node ip address
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region: default # upstream mirror region: default|china|europe
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node_tune: oltp # node tuning specs: oltp,olap,tiny,crit
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pg_conf: oltp.yml # pgsql tuning specs: {oltp,olap,tiny,crit}.yml
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proxy_env: # global proxy env when downloading packages
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no_proxy: "localhost,127.0.0.1,10.0.0.0/8,192.168.0.0/16,*.pigsty,*.aliyun.com,mirrors.*,*.myqcloud.com,*.tsinghua.edu.cn"
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# http_proxy: # set your proxy here: e.g http://user:pass@proxy.xxx.com
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# https_proxy: # set your proxy here: e.g http://user:pass@proxy.xxx.com
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# all_proxy: # set your proxy here: e.g http://user:pass@proxy.xxx.com
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infra_portal: # domain names and upstream servers
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home : { domain: h.pigsty }
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grafana : { domain: g.pigsty ,endpoint: "${admin_ip}:3000" , websocket: true }
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prometheus : { domain: p.pigsty ,endpoint: "${admin_ip}:9090" }
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alertmanager : { domain: a.pigsty ,endpoint: "${admin_ip}:9093" }
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blackbox : { endpoint: "${admin_ip}:9115" }
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loki : { endpoint: "${admin_ip}:3100" }
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#minio : { domain: m.pigsty ,endpoint: "${admin_ip}:9001" ,scheme: https ,websocket: true }
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#----------------------------------#
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# MinIO Related Options
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#----------------------------------#
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#pgbackrest_method: minio # if you want to use minio as backup repo instead of 'local' fs, uncomment this
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#minio_users: # and configure `pgbackrest_repo` & `minio_users` accordingly
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# - { access_key: dba , secret_key: S3User.DBA, policy: consoleAdmin }
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# - { access_key: pgbackrest , secret_key: S3User.Backup, policy: readwrite }
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#pgbackrest_repo: # pgbackrest repo: https://pgbackrest.org/configuration.html#section-repository
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# minio: ... # optional minio repo for pgbackrest ...
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# s3_key: pgbackrest # minio user access key for pgbackrest
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# s3_key_secret: S3User.Backup # minio user secret key for pgbackrest
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# cipher_pass: pgBackRest # AES encryption password, default is 'pgBackRest'
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# if you want to use minio as backup repo instead of 'local' fs, uncomment this, and configure `pgbackrest_repo`
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#pgbackrest_method: minio
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#node_etc_hosts: [ '10.10.10.10 h.pigsty a.pigsty p.pigsty g.pigsty sss.pigsty' ]
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#----------------------------------#
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# Credential: CHANGE THESE PASSWORDS
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#----------------------------------#
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#grafana_admin_username: admin
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grafana_admin_password: pigsty
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#pg_admin_username: dbuser_dba
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pg_admin_password: DBUser.DBA
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#pg_monitor_username: dbuser_monitor
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pg_monitor_password: DBUser.Monitor
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#pg_replication_username: replicator
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pg_replication_password: DBUser.Replicator
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#patroni_username: postgres
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patroni_password: Patroni.API
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#haproxy_admin_username: admin
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haproxy_admin_password: pigsty
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#minio_access_key: minioadmin
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minio_secret_key: minioadmin
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#----------------------------------#
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# Safe Guard
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#----------------------------------#
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# you can enable these flags after bootstrap, to prevent purging running etcd / pgsql instances
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etcd_safeguard: false # prevent purging running etcd instance?
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pg_safeguard: false # prevent purging running postgres instance? false by default
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#----------------------------------#
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# Repo, Node, Packages
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#----------------------------------#
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repo_modules: node,infra,pgsql,beta
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repo_remove: true # remove existing repo on admin node during repo bootstrap
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node_repo_remove: true # remove existing node repo for node managed by pigsty
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repo_extra_packages: [ pg18-core ]
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pg_packages: [ pg18-core, pgsql-common ]
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pg_version: 18 # default postgres version
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...

‎install.yml‎

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- { role: pgsql ,when: pg_cluster is defined }
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- { role: pg_monitor ,when: pg_cluster is defined }
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#---------------------------------------------------------------
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# PGSQL Monitor
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#---------------------------------------------------------------
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- name: PGSQL MONITOR # init pgsql monitor
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become: yes # with pg_cluster defined
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hosts: all
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gather_facts: no
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tags: [monitor, pgsql-monitor ]
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roles:
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- { role: pg_monitor ,when: pg_cluster is defined }
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...

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