"PostgreSQL In Great STYle": Postgres, Infras, Graphics, Service, Toolbox, it's all Yours.
—— Battery-Included, Local-First PostgreSQL Distribution as an Open-Source RDS Alternative
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Get Started with the latest v2.6.0 release:
curl -fsSL https://get.pigsty.cc/latest
Pigsty is your postgres, infra, grafana service toolbox, check Feature | 特性 and Demo for details.
Setup everything with one command! Check Get Started | 快速上手 for details.
Prepare a fresh Linux x86_64 node that runs compatible OS distros:
# run as the admin user with no password ssh & sudo capability
curl -fsSL https://get.pigsty.cc/latest | bash
cd ~/pigsty; ./bootstrap; ./configure; ./install.yml;Then you will have a pigsty singleton node ready, with Web Services on port 80/443 and Postgres on port 5432.
Download with Get
$ curl -fsSL https://get.pigsty.cc/latest | bash
...
[Checking] ===========================================
[ OK ] SOURCE from CDN due to GFW
FROM CDN : bash -c "$(curl -fsSL https://get.pigsty.cc/latest)"
FROM GITHUB : bash -c "$(curl -fsSL https://raw.githubusercontent.com/Vonng/pigsty/master/bin/latest)"
[Downloading] ===========================================
[ OK ] download pigsty source code from CDN
[ OK ] $ curl -SL https://get.pigsty.cc/v2.6.0/pigsty-v2.6.0.tgz
...
MD5: xxxxxx.......xxxxxxxxxx /tmp/pigsty-v2.6.0.tgz
[Extracting] ===========================================
[ OK ] extract '/tmp/pigsty-v2.6.0.tgz' to '/home/vagrant/pigsty'
[ OK ] $ tar -xf /tmp/pigsty-v2.6.0.tgz -C ~;
[Reference] ===========================================
Official Site: https://pigsty.cc
Get Started: https://pigsty.io/docs/setup/install/
Documentation: https://doc.pigsty.cc
Github Repo: https://github.com/Vonng/pigsty
Public Demo: https://demo.pigsty.cc
[Proceeding] ===========================================
cd ~/pigsty # entering pigsty home directory before proceeding
./bootstrap # install ansible & download the optional offline packages
./configure # preflight-check and generate config according to your env
./install.yml # install pigsty on this node and init it as the admin node
[ OK ] ~/pigsty is ready to go now!Download with Git
You can also download pigsty source with git, don't forget to use a specific version tag.
git clone https://github.com/Vonng/pigsty;
cd pigsty; git checkout v2.6.0Download Directly
You can also download pigsty source & offline packages directly from GitHub release page.
# get from GitHub
bash -c "$(curl -fsSL https://raw.githubusercontent.com/Vonng/pigsty/master/bin/latest)"
# or download tarball directly with curl
curl -L https://github.com/Vonng/pigsty/releases/download/v2.6.0/pigsty-v2.6.0.tgz -o ~/pigsty.tgz # Pigsty Source
curl -L https://github.com/Vonng/pigsty/releases/download/v2.6.0/pigsty-pkg-v2.6.0.el9.x86_64.tgz -o /tmp/pkg.tgz # Rocky 9.3 (EL9)
curl -L https://github.com/Vonng/pigsty/releases/download/v2.6.0/pigsty-pkg-v2.6.0.el8.x86_64.tgz -o /tmp/pkg.tgz # Rocky 8.9 (EL8)
curl -L https://github.com/Vonng/pigsty/releases/download/v2.6.0/pigsty-pkg-v2.6.0.ubuntu22.x86_64.tgz -o /tmp/pkg.tgz # Ubuntu 22.04
# alternative CDN in china
curl -L https://get.pigsty.cc/v2.6.0/pigsty-v2.6.0.tgz -o ~/pigsty.tgz
curl -L https://get.pigsty.cc/v2.6.0/pigsty-pkg-v2.6.0.el8.x86_64.tgz -o /tmp/pkg.tgz # EL8: Rocky 8.9 ...
Pigsty uses a modular design. There are six default modules available:
INFRA: Local yum repo, Nginx, DNS, and entire Prometheus & Grafana observability stack.NODE: Init node name, repo, pkg, NTP, ssh, admin, tune, expose services, collect logs & metrics.ETCD: Init etcd cluster for HA Postgres DCS or Kubernetes, used as distributed config store.PGSQL: Autonomous self-healing PostgreSQL cluster powered by Patroni, Pgbouncer, PgBackrest & HAProxyREDIS: Deploy Redis servers in standalone master-replica, sentinel, and native cluster mode, optional.MINIO: S3-compatible object storage service used as an optional central backup server forPGSQL, optional.
You can compose them freely in a declarative manner. If you want host monitoring, INFRA & NODE will suffice.
ETCD and PGSQL are used for HA PG clusters, install them on multiple nodes will automatically form a HA cluster.
You can also reuse pigsty infra and develop your own modules, KAFKA, MYSQL, GPSQL, and more will come.
The default install.yml playbook in Get Started will install INFRA, NODE, ETCD & PGSQL on the current node.
which gives you a battery-included PostgreSQL singleton instance (admin_ip:5432) with everything ready.
This node can be used as an admin center & infra provider to manage, deploy & monitor more nodes & clusters.
To deploy a 3-node HA Postgres Cluster with streaming replication, define a new cluster on all.children.pg-test of pigsty.yml:
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: offline }
vars: { pg_cluster: pg-test }Then create it with built-in playbooks:
bin/pgsql-add pg-test # init pg-test cluster 
You can deploy different kinds of instance roles such as primary, replica, offline, delayed, sync standby, and different kinds of clusters, such as standby clusters, Citus clusters, and even Redis / MinIO / Etcd clusters.
Example: Complex Postgres Customize
pg-meta:
hosts: { 10.10.10.10: { pg_seq: 1, pg_role: primary , pg_offline_query: true } }
vars:
pg_cluster: pg-meta
pg_databases: # define business databases on this cluster, array of database definition
- name: meta # REQUIRED, `name` is the only mandatory field of a database definition
baseline: cmdb.sql # optional, database sql baseline path, (relative path among ansible search path, e.g files/)
pgbouncer: true # optional, add this database to pgbouncer database list? true by default
schemas: [pigsty] # optional, additional schemas to be created, array of schema names
extensions: # optional, additional extensions to be installed: array of `{name[,schema]}`
- { name: postgis , schema: public }
- { name: timescaledb }
comment: pigsty meta database # optional, comment string for this database
owner: postgres # optional, database owner, postgres by default
template: template1 # optional, which template to use, template1 by default
encoding: UTF8 # optional, database encoding, UTF8 by default. (MUST same as template database)
locale: C # optional, database locale, C by default. (MUST same as template database)
lc_collate: C # optional, database collate, C by default. (MUST same as template database)
lc_ctype: C # optional, database ctype, C by default. (MUST same as template database)
tablespace: pg_default # optional, default tablespace, 'pg_default' by default.
allowconn: true # optional, allow connection, true by default. false will disable connect at all
revokeconn: false # optional, revoke public connection privilege. false by default. (leave connect with grant option to owner)
register_datasource: true # optional, register this database to grafana datasources? true by default
connlimit: -1 # optional, database connection limit, default -1 disable limit
pool_auth_user: dbuser_meta # optional, all connection to this pgbouncer database will be authenticated by this user
pool_mode: transaction # optional, pgbouncer pool mode at database level, default transaction
pool_size: 64 # optional, pgbouncer pool size at database level, default 64
pool_size_reserve: 32 # optional, pgbouncer pool size reserve at database level, default 32
pool_size_min: 0 # optional, pgbouncer pool size min at database level, default 0
pool_max_db_conn: 100 # optional, max database connections at database level, default 100
- { name: grafana ,owner: dbuser_grafana ,revokeconn: true ,comment: grafana primary database }
- { name: bytebase ,owner: dbuser_bytebase ,revokeconn: true ,comment: bytebase primary database }
- { name: kong ,owner: dbuser_kong ,revokeconn: true ,comment: kong the api gateway database }
- { name: gitea ,owner: dbuser_gitea ,revokeconn: true ,comment: gitea meta database }
- { name: wiki ,owner: dbuser_wiki ,revokeconn: true ,comment: wiki meta database }
pg_users: # define business users/roles on this cluster, array of user definition
- name: dbuser_meta # REQUIRED, `name` is the only mandatory field of a user definition
password: DBUser.Meta # optional, password, can be a scram-sha-256 hash string or plain text
login: true # optional, can log in, true by default (new biz ROLE should be false)
superuser: false # optional, is superuser? false by default
createdb: false # optional, can create database? false by default
createrole: false # optional, can create role? false by default
inherit: true # optional, can this role use inherited privileges? true by default
replication: false # optional, can this role do replication? false by default
bypassrls: false # optional, can this role bypass row level security? false by default
pgbouncer: true # optional, add this user to pgbouncer user-list? false by default (production user should be true explicitly)
connlimit: -1 # optional, user connection limit, default -1 disable limit
expire_in: 3650 # optional, now + n days when this role is expired (OVERWRITE expire_at)
expire_at: '2030-12-31' # optional, YYYY-MM-DD 'timestamp' when this role is expired (OVERWRITTEN by expire_in)
comment: pigsty admin user # optional, comment string for this user/role
roles: [dbrole_admin] # optional, belonged roles. default roles are: dbrole_{admin,readonly,readwrite,offline}
parameters: {} # optional, role level parameters with `ALTER ROLE SET`
pool_mode: transaction # optional, pgbouncer pool mode at user level, transaction by default
pool_connlimit: -1 # optional, max database connections at user level, default -1 disable limit
- {name: dbuser_view ,password: DBUser.Viewer ,pgbouncer: true ,roles: [dbrole_readonly], comment: read-only viewer for meta database}
- {name: dbuser_grafana ,password: DBUser.Grafana ,pgbouncer: true ,roles: [dbrole_admin] ,comment: admin user for grafana database }
- {name: dbuser_bytebase ,password: DBUser.Bytebase ,pgbouncer: true ,roles: [dbrole_admin] ,comment: admin user for bytebase database }
- {name: dbuser_kong ,password: DBUser.Kong ,pgbouncer: true ,roles: [dbrole_admin] ,comment: admin user for kong api gateway }
- {name: dbuser_gitea ,password: DBUser.Gitea ,pgbouncer: true ,roles: [dbrole_admin] ,comment: admin user for gitea service }
- {name: dbuser_wiki ,password: DBUser.Wiki ,pgbouncer: true ,roles: [dbrole_admin] ,comment: admin user for wiki.js service }
pg_services: # extra services in addition to pg_default_services, array of service definition
# standby service will route {ip|name}:5435 to sync replica's pgbouncer (5435->6432 standby)
- name: standby # required, service name, the actual svc name will be prefixed with `pg_cluster`, e.g: pg-meta-standby
port: 5435 # required, service exposed port (work as kubernetes service node port mode)
ip: "*" # optional, service bind ip address, `*` for all ip by default
selector: "[]" # required, service member selector, use JMESPath to filter inventory
dest: default # optional, destination port, default|postgres|pgbouncer|<port_number>, 'default' by default
check: /sync # optional, health check url path, / by default
backup: "[? pg_role == `primary`]" # backup server selector
maxconn: 3000 # optional, max allowed front-end connection
balance: roundrobin # optional, haproxy load balance algorithm (roundrobin by default, other: 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'
pg_hba_rules:
- {user: dbuser_view , db: all ,addr: infra ,auth: pwd ,title: 'allow grafana dashboard access cmdb from infra nodes'}
pg_vip_enabled: true
pg_vip_address: 10.10.10.2/24
pg_vip_interface: eth1
node_crontab: # make a full backup 1 am everyday
- '00 01 * * * postgres /pg/bin/pg-backup full'
Example: Security Enhanced PG Cluster with Delayed Replica
pg-meta: # 3 instance postgres cluster `pg-meta`
hosts:
10.10.10.10: { pg_seq: 1, pg_role: primary }
10.10.10.11: { pg_seq: 2, pg_role: replica }
10.10.10.12: { pg_seq: 3, pg_role: replica , pg_offline_query: true }
vars:
pg_cluster: pg-meta
pg_conf: crit.yml
pg_users:
- { name: dbuser_meta , password: DBUser.Meta , pgbouncer: true , roles: [ dbrole_admin ] , comment: pigsty admin user }
- { name: dbuser_view , password: DBUser.Viewer , pgbouncer: true , roles: [ dbrole_readonly ] , comment: read-only viewer for meta database }
pg_databases:
- {name: meta ,baseline: cmdb.sql ,comment: pigsty meta database ,schemas: [pigsty] ,extensions: [{name: postgis, schema: public}, {name: timescaledb}]}
pg_default_service_dest: postgres
pg_services:
- { name: standby ,src_ip: "*" ,port: 5435 , dest: default ,selector: "[]" , backup: "[? pg_role == `primary`]" }
pg_vip_enabled: true
pg_vip_address: 10.10.10.2/24
pg_vip_interface: eth1
pg_listen: '${ip},${vip},${lo}'
patroni_ssl_enabled: true
pgbouncer_sslmode: require
pgbackrest_method: minio
pg_libs: 'timescaledb, $libdir/passwordcheck, pg_stat_statements, auto_explain' # add passwordcheck extension to enforce strong password
pg_default_roles: # default roles and users in postgres cluster
- { name: dbrole_readonly ,login: false ,comment: role for global read-only access }
- { name: dbrole_offline ,login: false ,comment: role for restricted read-only access }
- { name: dbrole_readwrite ,login: false ,roles: [dbrole_readonly] ,comment: role for global read-write access }
- { name: dbrole_admin ,login: false ,roles: [pg_monitor, dbrole_readwrite] ,comment: role for object creation }
- { name: postgres ,superuser: true ,expire_in: 7300 ,comment: system superuser }
- { name: replicator ,replication: true ,expire_in: 7300 ,roles: [pg_monitor, dbrole_readonly] ,comment: system replicator }
- { name: dbuser_dba ,superuser: true ,expire_in: 7300 ,roles: [dbrole_admin] ,pgbouncer: true ,pool_mode: session, pool_connlimit: 16 , comment: pgsql admin user }
- { name: dbuser_monitor ,roles: [pg_monitor] ,expire_in: 7300 ,pgbouncer: true ,parameters: {log_min_duration_statement: 1000 } ,pool_mode: session ,pool_connlimit: 8 ,comment: pgsql monitor user }
pg_default_hba_rules: # postgres host-based auth rules by default
- {user: '${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: ssl ,title: 'replicator replication from localhost'}
- {user: '${repl}' ,db: replication ,addr: intra ,auth: ssl ,title: 'replicator replication from intranet' }
- {user: '${repl}' ,db: postgres ,addr: intra ,auth: ssl ,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: ssl ,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: cert ,title: 'admin @ everywhere with ssl & cert' }
- {user: '+dbrole_readonly',db: all ,addr: localhost ,auth: ssl ,title: 'pgbouncer read/write via local socket'}
- {user: '+dbrole_readonly',db: all ,addr: intra ,auth: ssl ,title: 'read/write biz user via password' }
- {user: '+dbrole_offline' ,db: all ,addr: intra ,auth: ssl ,title: 'allow etl offline tasks from intranet'}
pgb_default_hba_rules: # pgbouncer 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: ssl ,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: ssl ,title: 'admin access via intranet with pwd' }
- {user: '${admin}' ,db: all ,addr: world ,auth: deny ,title: 'reject all other admin access addr' }
- {user: 'all' ,db: all ,addr: intra ,auth: ssl ,title: 'allow all user intra access with pwd' }
# OPTIONAL delayed cluster for pg-meta
pg-meta-delay: # delayed instance for pg-meta (1 hour ago)
hosts: { 10.10.10.13: { pg_seq: 1, pg_role: primary, pg_upstream: 10.10.10.10, pg_delay: 1h } }
vars: { pg_cluster: pg-meta-delay }Example: Citus Distributed Cluster: 5 Nodes
all:
children:
pg-citus0: # citus coordinator, pg_group = 0
hosts: { 10.10.10.10: { pg_seq: 1, pg_role: primary } }
vars: { pg_cluster: pg-citus0 , pg_group: 0 }
pg-citus1: # citus data node 1
hosts: { 10.10.10.11: { pg_seq: 1, pg_role: primary } }
vars: { pg_cluster: pg-citus1 , pg_group: 1 }
pg-citus2: # citus data node 2
hosts: { 10.10.10.12: { pg_seq: 1, pg_role: primary } }
vars: { pg_cluster: pg-citus2 , pg_group: 2 }
pg-citus3: # citus data node 3, with an extra replica
hosts:
10.10.10.13: { pg_seq: 1, pg_role: primary }
10.10.10.14: { pg_seq: 2, pg_role: replica }
vars: { pg_cluster: pg-citus3 , pg_group: 3 }
vars: # global parameters for all citus clusters
pg_mode: citus # pgsql cluster mode: citus
pg_shard: pg-citus # citus shard name: pg-citus
patroni_citus_db: meta # citus distributed database name
pg_dbsu_password: DBUser.Postgres # all dbsu password access for citus cluster
pg_libs: 'citus, timescaledb, pg_stat_statements, auto_explain' # citus will be added by patroni automatically
pg_extensions:
- postgis34_${ pg_version }* timescaledb-2-postgresql-${ pg_version }* pgvector_${ pg_version }* citus_${ pg_version }*
pg_users: [ { name: dbuser_meta ,password: DBUser.Meta ,pgbouncer: true ,roles: [ dbrole_admin ] } ]
pg_databases: [ { name: meta ,extensions: [ { name: citus }, { name: postgis }, { name: timescaledb } ] } ]
pg_hba_rules:
- { user: 'all' ,db: all ,addr: 127.0.0.1/32 ,auth: ssl ,title: 'all user ssl access from localhost' }
- { user: 'all' ,db: all ,addr: intra ,auth: ssl ,title: 'all user ssl access from intranet' }Example: Redis Cluster/Sentinel/Standalone
redis-ms: # redis classic primary & replica
hosts: { 10.10.10.10: { redis_node: 1 , redis_instances: { 6379: { }, 6380: { replica_of: '10.10.10.10 6379' } } } }
vars: { redis_cluster: redis-ms ,redis_password: 'redis.ms' ,redis_max_memory: 64MB }
redis-meta: # redis sentinel x 3
hosts: { 10.10.10.11: { redis_node: 1 , redis_instances: { 26379: { } ,26380: { } ,26381: { } } } }
vars:
redis_cluster: redis-meta
redis_password: 'redis.meta'
redis_mode: sentinel
redis_max_memory: 16MB
redis_sentinel_monitor: # primary list for redis sentinel, use cls as name, primary ip:port
- { name: redis-ms, host: 10.10.10.10, port: 6379 ,password: redis.ms, quorum: 2 }
redis-test: # redis native cluster: 3m x 3s
hosts:
10.10.10.12: { redis_node: 1 ,redis_instances: { 6379: { } ,6380: { } ,6381: { } } }
10.10.10.13: { redis_node: 2 ,redis_instances: { 6379: { } ,6380: { } ,6381: { } } }
vars: { redis_cluster: redis-test ,redis_password: 'redis.test' ,redis_mode: cluster, redis_max_memory: 32MB }Example: ETCD 3 Node Cluster
etcd: # dcs service for postgres/patroni ha consensus
hosts: # 1 node for testing, 3 or 5 for production
10.10.10.10: { etcd_seq: 1 } # etcd_seq required
10.10.10.11: { etcd_seq: 2 } # assign from 1 ~ n
10.10.10.12: { etcd_seq: 3 } # odd number please
vars: # cluster level parameter override roles/etcd
etcd_cluster: etcd # mark etcd cluster name etcd
etcd_safeguard: false # safeguard against purging
etcd_clean: true # purge etcd during init processExample: Minio 3 Node Deployment
minio:
hosts:
10.10.10.10: { minio_seq: 1 }
10.10.10.11: { minio_seq: 2 }
10.10.10.12: { minio_seq: 3 }
vars:
minio_cluster: minio
minio_data: '/data{1...2}' # use two disk per node
minio_node: '${minio_cluster}-${minio_seq}.pigsty' # minio node name pattern
haproxy_services:
- name: minio # [REQUIRED] service name, unique
port: 9002 # [REQUIRED] service port, unique
options:
- option httpchk
- option http-keep-alive
- http-check send meth OPTIONS uri /minio/health/live
- http-check expect status 200
servers:
- { name: minio-1 ,ip: 10.10.10.10 , port: 9000 , options: 'check-ssl ca-file /etc/pki/ca.crt check port 9000' }
- { name: minio-2 ,ip: 10.10.10.11 , port: 9000 , options: 'check-ssl ca-file /etc/pki/ca.crt check port 9000' }
- { name: minio-3 ,ip: 10.10.10.12 , port: 9000 , options: 'check-ssl ca-file /etc/pki/ca.crt check port 9000' }Example: Install Pigsty 4-Node Sandbox
Check Configuration & PGSQL Conf for details.
Docs: https://pigsty.io/
Website: https://pigsty.io/ | https://pigsty.io/zh/
WeChat: Search pigsty-cc to join the WeChat group.
Telegram: https://t.me/joinchat/gV9zfZraNPM3YjFh
Discord: https://discord.gg/D92HzV2s
Author: Vonng ([email protected])
License: AGPL-3.0
Copyright: 2018-2024 [email protected]
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