v0.9.0 Release Note

v0.9 accessbility enhancement, logging improvement, pigsty CLI/GUI beta

Pigsty v0.9.0

Features

  • One-Line Installation

    Run this on meta node /bin/bash -c "$(curl -fsSL https://pigsty.cc/install)"

  • MetaDB provisioning

    Now you can use pgsql database on meta node as inventory instead of static yaml file affter bootstrap.

  • Add Loki & Prometail as optinal logging collector

    Now you can view, query, search postgres|pgbouncer|patroni logs with Grafana UI (PG Instance Log)

  • Pigsty CLI/GUI (beta)

    Mange you pigsty deployment with much more human-friendly command line interface.

Bug Fix

  • Log related issues
    • fix connection reset by peer entries in postgres log caused by Haproxy health check.
    • fix Connect Reset Exception in patroni logs caused by haproxy health check
    • fix patroni log time format (remove mill seconds, add timezone)
    • set log_min_duration_statement=1s for dbuser_monitor to get ride of monitor logs.
  • Fix pgbouncer-create-user does not handle md5 password properly
  • Fix obsolete Makefile entries
  • Fix node dns nameserver lost when abort during resolv.conf rewrite
  • Fix db/user template and entry not null check

API Change

  • Set default value of node_disable_swap to false
  • Remove example enties of node_sysctl_params.
  • grafana_plugin default install will now download from CDN if plugins not exists
  • repo_url_packages now download rpm via pigsty CDN to accelerate.
  • proxy_env.no_proxy now add pigsty CDN to noproxy sites。
  • grafana_customize set to false by default,enable it means install pigsty pro UI.
  • node_admin_pk_current add current user’s ~/.ssh/id_rsa.pub to admin pks
  • loki_clean whether to cleanup existing loki data during init
  • loki_data_dir set default data dir for loki logging service
  • promtail_enabled enabling promtail logging agent service?
  • promtail_clean remove existing promtail status during init?
  • promtail_port default port used by promtail, 9080 by default
  • promtail_status_file location of promtail status file
  • promtail_send_url endpoint of loki service which receives log data

v0.8.0 Release Note

v0.8 service provision overhaul and general RC

Pigsty v0.8.0

Pigsty now is in RC status with guaranteed API stability.

New Features

  • Service provision.
  • full locale support.

API Changes

Role vip and haproxy are merged into service.

#------------------------------------------------------------------------------
# SERVICE PROVISION
#------------------------------------------------------------------------------
pg_weight: 100              # default load balance weight (instance level)

# - service - #
pg_services:                                  # how to expose postgres service in cluster?
  # primary service will route {ip|name}:5433 to primary pgbouncer (5433->6432 rw)
  - name: primary           # service name {{ pg_cluster }}_primary
    src_ip: "*"
    src_port: 5433
    dst_port: pgbouncer     # 5433 route to pgbouncer
    check_url: /primary     # primary health check, success when instance is primary
    selector: "[]"          # select all instance as primary service candidate

  # replica service will route {ip|name}:5434 to replica pgbouncer (5434->6432 ro)
  - name: replica           # service name {{ pg_cluster }}_replica
    src_ip: "*"
    src_port: 5434
    dst_port: pgbouncer
    check_url: /read-only   # read-only health check. (including primary)
    selector: "[]"          # select all instance as replica service candidate
    selector_backup: "[? pg_role == `primary`]"   # primary are used as backup server in replica service

  # default service will route {ip|name}:5436 to primary postgres (5436->5432 primary)
  - name: default           # service's actual name is {{ pg_cluster }}-{{ service.name }}
    src_ip: "*"             # service bind ip address, * for all, vip for cluster virtual ip address
    src_port: 5436          # bind port, mandatory
    dst_port: postgres      # target port: postgres|pgbouncer|port_number , pgbouncer(6432) by default
    check_method: http      # health check method: only http is available for now
    check_port: patroni     # health check port:  patroni|pg_exporter|port_number , patroni by default
    check_url: /primary     # health check url path, / as default
    check_code: 200         # health check http code, 200 as default
    selector: "[]"          # instance selector
    haproxy:                # haproxy specific fields
      maxconn: 3000         # default front-end connection
      balance: roundrobin   # load balance algorithm (roundrobin by default)
      default_server_options: 'inter 3s fastinter 1s downinter 5s rise 3 fall 3 on-marked-down shutdown-sessions slowstart 30s maxconn 3000 maxqueue 128 weight 100'

  # offline service will route {ip|name}:5438 to offline postgres (5438->5432 offline)
  - name: offline           # service name {{ pg_cluster }}_replica
    src_ip: "*"
    src_port: 5438
    dst_port: postgres
    check_url: /replica     # offline MUST be a replica
    selector: "[? pg_role == `offline` || pg_offline_query ]"         # instances with pg_role == 'offline' or instance marked with 'pg_offline_query == true'
    selector_backup: "[? pg_role == `replica` && !pg_offline_query]"  # replica are used as backup server in offline service

pg_services_extra: []        # extra services to be added

# - haproxy - #
haproxy_enabled: true                         # enable haproxy among every cluster members
haproxy_reload: true                          # reload haproxy after config
haproxy_policy: roundrobin                    # roundrobin, leastconn
haproxy_admin_auth_enabled: false             # enable authentication for haproxy admin?
haproxy_admin_username: admin                 # default haproxy admin username
haproxy_admin_password: admin                 # default haproxy admin password
haproxy_exporter_port: 9101                   # default admin/exporter port
haproxy_client_timeout: 3h                    # client side connection timeout
haproxy_server_timeout: 3h                    # server side connection timeout

# - vip - #
vip_mode: none                                # none | l2 | l4
vip_reload: true                              # whether reload service after config
# vip_address: 127.0.0.1                      # virtual ip address ip (l2 or l4)
# vip_cidrmask: 24                            # virtual ip address cidr mask (l2 only)
# vip_interface: eth0                         # virtual ip network interface (l2 only)

New Options

# - localization - #
pg_encoding: UTF8                             # default to UTF8
pg_locale: C                                  # default to C
pg_lc_collate: C                              # default to C
pg_lc_ctype: en_US.UTF8                       # default to en_US.UTF8

pg_reload: true                               # reload postgres after hba changes
vip_mode: none                                # none | l2 | l4
vip_reload: true                              # whether reload service after config

Remove Options

haproxy_check_port                            # covered by service options
haproxy_primary_port
haproxy_replica_port
haproxy_backend_port
haproxy_weight
haproxy_weight_fallback
vip_enabled                                   # replace by vip_mode

Service

pg_services and pg_services_extra Defines the services in cluster:

A service has some mandatory fields:

  • name: service’s name
  • src_port: which port to listen and expose service?
  • selector: which instances belonging to this service?
  # default service will route {ip|name}:5436 to primary postgres (5436->5432 primary)
  - name: default           # service's actual name is {{ pg_cluster }}-{{ service.name }}
    src_ip: "*"             # service bind ip address, * for all, vip for cluster virtual ip address
    src_port: 5436          # bind port, mandatory
    dst_port: postgres      # target port: postgres|pgbouncer|port_number , pgbouncer(6432) by default
    check_method: http      # health check method: only http is available for now
    check_port: patroni     # health check port:  patroni|pg_exporter|port_number , patroni by default
    check_url: /primary     # health check url path, / as default
    check_code: 200         # health check http code, 200 as default
    selector: "[]"          # instance selector
    haproxy:                # haproxy specific fields
      maxconn: 3000         # default front-end connection
      balance: roundrobin   # load balance algorithm (roundrobin by default)
      default_server_options: 'inter 3s fastinter 1s downinter 5s rise 3 fall 3 on-marked-down shutdown-sessions slowstart 30s maxconn 3000 maxqueue 128 weight 100'

Database

Add additional locale support: lc_ctype and lc_collate.

It’s mainly because of pg_trgm ’s weird behavior on i18n characters.

pg_databases:
  - name: meta                      # name is the only required field for a database
    # owner: postgres                 # optional, database owner
    # template: template1             # optional, template1 by default
    # encoding: UTF8                # optional, UTF8 by default , must same as template database, leave blank to set to db default
    # locale: C                     # optional, C by default , must same as template database, leave blank to set to db default
    # lc_collate: C                 # optional, C by default , must same as template database, leave blank to set to db default
    # lc_ctype: C                   # optional, C by default , must same as template database, leave blank to set to db default
    allowconn: true                 # optional, true by default, false disable connect at all
    revokeconn: false               # optional, false by default, true revoke connect from public # (only default user and owner have connect privilege on database)
    # tablespace: pg_default          # optional, 'pg_default' is the default tablespace
    connlimit: -1                   # optional, connection limit, -1 or none disable limit (default)
    extensions:                     # optional, extension name and where to create
      - {name: postgis, schema: public}
    parameters:                     # optional, extra parameters with ALTER DATABASE
      enable_partitionwise_join: true
    pgbouncer: true                 # optional, add this database to pgbouncer list? true by default
    comment: pigsty meta database   # optional, comment string for database

v0.7.0 Release Note

v0.7 Monitor Only Deployment

Overview

  • Monitor Only Deployment

    • Now you can monitoring existing postgres clusters without Pigsty provisioning solution.
    • Intergration with other provisioning solution is available and under further test.
  • Database/User Management

    • Update user/database definition schema to cover more usecases.
    • Add pgsql-createdb.yml and pgsql-createuser.yml to mange user/db on running clusters.

Features

Bug Fix

API Changes

New Options

prometheus_sd_target: batch                   # batch|single
exporter_install: none                        # none|yum|binary
exporter_repo_url: ''                         # add to yum repo if set
node_exporter_options: '--no-collector.softnet --collector.systemd --collector.ntp --collector.tcpstat --collector.processes'                          # default opts for node_exporter
pg_exporter_url: ''                           # optional, overwrite default pg_exporter target
pgbouncer_exporter_url: ''                    # optional, overwrite default pgbouncer_expoter target

Remove Options

exporter_binary_install: false                 # covered by exporter_install

Structure Changes

pg_default_roles                               # refer to pg_users
pg_users                                       # refer to pg_users
pg_databases                                   # refer to pg_databases

Rename Options

pg_default_privilegs -> pg_default_privileges  # fix typo

Enhancement

Monitoring Provisioning Enhancement

Haproxy Enhancement

Security Enhancement

Software Update

  • Upgrade to PG 13.2 #6

  • Prometheus 2.25 / Grafana 7.4 / Consul 1.9.3 / Node Exporter 1.1 / PG Exporter 0.3.2

API Change

New Config Entries

service_registry: consul                      # none | consul | etcd | both
prometheus_options: '--storage.tsdb.retention=30d'  # prometheus cli opts
prometheus_sd_method: consul                  # Prometheus service discovery method:static|consul
prometheus_sd_interval: 2s                    # Prometheus service discovery refresh interval
pg_offline_query: false                       # set to true to allow offline queries on this instance
node_exporter_enabled: true                   # enabling Node Exporter
pg_exporter_enabled: true                     # enabling PG Exporter
pgbouncer_exporter_enabled: true              # enabling Pgbouncer Exporter
export_binary_install: false                  # install Node/PG Exporter via copy binary
dcs_disable_purge: false                      # force dcs_exists_action = abort to avoid dcs purge
pg_disable_purge: false                       # force pg_exists_action = abort to avoid pg purge
haproxy_weight: 100                           # relative lb weight for backend instance
haproxy_weight_fallback: 1                    # primary server weight in replica service group

Obsolete Config Entries

prometheus_metrics_path                       # duplicate with exporter_metrics_path 
prometheus_retention                          # covered by `prometheus_options`

Database Definition

Database provisioning interface enhancement #33

Old Schema

pg_databases:                       # create a business database 'meta'
  - name: meta
    schemas: [meta]                 # create extra schema named 'meta'
    extensions: [{name: postgis}]   # create extra extension postgis
    parameters:                     # overwrite database meta's default search_path
      search_path: public, monitor

New Schema

pg_databases:
  - name: meta                      # name is the only required field for a database
    owner: postgres                 # optional, database owner
    template: template1             # optional, template1 by default
    encoding: UTF8                  # optional, UTF8 by default
    locale: C                       # optional, C by default
    allowconn: true                 # optional, true by default, false disable connect at all
    revokeconn: false               # optional, false by default, true revoke connect from public # (only default user and owner have connect privilege on database)
    tablespace: pg_default          # optional, 'pg_default' is the default tablespace
    connlimit: -1                   # optional, connection limit, -1 or none disable limit (default)
    extensions:                     # optional, extension name and where to create
      - {name: postgis, schema: public}
    parameters:                     # optional, extra parameters with ALTER DATABASE
      enable_partitionwise_join: true
    pgbouncer: true                 # optional, add this database to pgbouncer list? true by default
    comment: pigsty meta database   # optional, comment string for database

Changes

  • Add new options: template , encoding, locale, allowconn, tablespace, connlimit
  • Add new option revokeconn, which revoke connect privileges from public for this database
  • Add comment field for database

Apply Changes

You can create new database on running postgres clusters with pgsql-createdb.yml playbook.

  1. Define your new database in config files
  2. Pass new database.name with option pg_database to playbook.
./pgsql-createdb.yml -e pg_database=<your_new_database_name>

User Definition

User provisioning interface enhancement #34

Old Schema

pg_users:
  - username: test                  # example production user have read-write access
    password: test                  # example user's password
    options: LOGIN                  # extra options
    groups: [ dbrole_readwrite ]    # dborole_admin|dbrole_readwrite|dbrole_readonly
    comment: default test user for production usage
    pgbouncer: true                 # add to pgbouncer

New Schema

pg_users:
  # complete example of user/role definition for production user
  - name: dbuser_meta               # example production user have read-write access
    password: DBUser.Meta           # example user's password, can be encrypted
    login: true                     # can login, true by default (should be false for role)
    superuser: false                # is superuser? false by default
    createdb: false                 # can create database? false by default
    createrole: false               # can create role? false by default
    inherit: true                   # can this role use inherited privileges?
    replication: false              # can this role do replication? false by default
    bypassrls: false                # can this role bypass row level security? false by default
    connlimit: -1                   # connection limit, -1 disable limit
    expire_at: '2030-12-31'         # 'timestamp' when this role is expired
    expire_in: 365                  # now + n days when this role is expired (OVERWRITE expire_at)
    roles: [dbrole_readwrite]       # dborole_admin|dbrole_readwrite|dbrole_readonly
    pgbouncer: true                 # add this user to pgbouncer? false by default (true for production user)
    parameters:                     # user's default search path
      search_path: public
    comment: test user

Changes

  • username field rename to name
  • groups field rename to roles
  • options now split into separated configration entries: login, superuser, createdb, createrole, inherit, replication,bypassrls,connlimit
  • expire_at and expire_in options
  • pgbouncer option for user is now false by default

Apply Changes

You can create new users on running postgres clusters with pgsql-createuser.yml playbook.

  1. Define your new users in config files (pg_users)
  2. Pass new user.name with option pg_user to playbook.
./pgsql-createuser.yml -e pg_user=<your_new_user_name>

v0.6.0 Release Note

v0.6 Provisioning Enhancement

Bug Fix

Enhancement

Monitoring Provisioning Enhancement

Haproxy Enhancement

Security Enhancement

Software Update

  • Upgrade to PG 13.2 #6

  • Prometheus 2.25 / Grafana 7.4 / Consul 1.9.3 / Node Exporter 1.1 / PG Exporter 0.3.2

API Change

New Config Entries

service_registry: consul                      # none | consul | etcd | both
prometheus_options: '--storage.tsdb.retention=30d'  # prometheus cli opts
prometheus_sd_method: consul                  # Prometheus service discovery method:static|consul
prometheus_sd_interval: 2s                    # Prometheus service discovery refresh interval
pg_offline_query: false                       # set to true to allow offline queries on this instance
node_exporter_enabled: true                   # enabling Node Exporter
pg_exporter_enabled: true                     # enabling PG Exporter
pgbouncer_exporter_enabled: true              # enabling Pgbouncer Exporter
export_binary_install: false                  # install Node/PG Exporter via copy binary
dcs_disable_purge: false                      # force dcs_exists_action = abort to avoid dcs purge
pg_disable_purge: false                       # force pg_exists_action = abort to avoid pg purge
haproxy_weight: 100                           # relative lb weight for backend instance
haproxy_weight_fallback: 1                    # primary server weight in replica service group

Obsolete Config Entries

prometheus_metrics_path                       # duplicate with exporter_metrics_path 
prometheus_retention                          # covered by `prometheus_options`

v0.5.0 Release Note

Significant improvement on database templating

Pigsty now have an Official Site 🎉 !

New Features

  • Add Database Provision Template
  • Add Init Template
  • Add Business Init Template
  • Refactor HBA Rules variables
  • Fix dashboards bugs.
  • Move pg-cluster-replication to default dashboards
  • Use ZJU PostgreSQL mirror as default to accelerate repo build phase.
  • Move documentation to official site: https://pigsty.cc
  • Download newly created offline installation packages: pkg.tgz (v0.5)

Database Provision Template

Now you can customize your database content with pigsty !

pg_users:
  - username: test
    password: test
    comment: default test user
    groups: [ dbrole_readwrite ]    # dborole_admin|dbrole_readwrite|dbrole_readonly
pg_databases:                       # create a business database 'test'
  - name: test
    extensions: [{name: postgis}]   # create extra extension postgis
    parameters:                     # overwrite database meta's default search_path
      search_path: public,monitor

pg-init-template.sql wil be used as default template1 database init script pg-init-business.sql will be used as default business database init script

you can customize default role system, schemas, extensions, privileges with variables now:

# - system roles - #
pg_replication_username: replicator           # system replication user
pg_replication_password: DBUser.Replicator    # system replication password
pg_monitor_username: dbuser_monitor           # system monitor user
pg_monitor_password: DBUser.Monitor           # system monitor password
pg_admin_username: dbuser_admin               # system admin user
pg_admin_password: DBUser.Admin               # system admin password

# - default roles - #
pg_default_roles:
  - username: dbrole_readonly                 # sample user:
    options: NOLOGIN                          # role can not login
    comment: role for readonly access         # comment string

  - username: dbrole_readwrite                # sample user: one object for each user
    options: NOLOGIN
    comment: role for read-write access
    groups: [ dbrole_readonly ]               # read-write includes read-only access

  - username: dbrole_admin                    # sample user: one object for each user
    options: NOLOGIN BYPASSRLS                # admin can bypass row level security
    comment: role for object creation
    groups: [dbrole_readwrite,pg_monitor,pg_signal_backend]

  # NOTE: replicator, monitor, admin password are overwritten by separated config entry
  - username: postgres                        # reset dbsu password to NULL (if dbsu is not postgres)
    options: SUPERUSER LOGIN
    comment: system superuser

  - username: replicator
    options: REPLICATION LOGIN
    groups: [pg_monitor, dbrole_readonly]
    comment: system replicator

  - username: dbuser_monitor
    options: LOGIN CONNECTION LIMIT 10
    comment: system monitor user
    groups: [pg_monitor, dbrole_readonly]

  - username: dbuser_admin
    options: LOGIN BYPASSRLS
    comment: system admin user
    groups: [dbrole_admin]

  - username: dbuser_stats
    password: DBUser.Stats
    options: LOGIN
    comment: business read-only user for statistics
    groups: [dbrole_readonly]


# object created by dbsu and admin will have their privileges properly set
pg_default_privilegs:
  - 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 INSERT, UPDATE, DELETE        ON TABLES    TO dbrole_readwrite
  - GRANT USAGE,  UPDATE                ON SEQUENCES TO dbrole_readwrite
  - GRANT TRUNCATE, REFERENCES, TRIGGER ON TABLES    TO dbrole_admin
  - GRANT CREATE                        ON SCHEMAS   TO dbrole_admin
  - GRANT USAGE                         ON TYPES     TO dbrole_admin

# schemas
pg_default_schemas: [monitor]

# extension
pg_default_extensions:
  - { name: 'pg_stat_statements',  schema: 'monitor' }
  - { name: 'pgstattuple',         schema: 'monitor' }
  - { name: 'pg_qualstats',        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: 'pg_repack',           schema: 'monitor' }
  - name: postgres_fdw
  - name: file_fdw
  - name: btree_gist
  - name: btree_gin
  - name: pg_trgm
  - name: intagg
  - name: intarray

# postgres host-based authentication rules
pg_hba_rules:
  - title: allow meta node password access
    role: common
    rules:
      - host    all     all                         10.10.10.10/32      md5

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

  - 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

  - title: allow local read-write access (local production user via pgbouncer)
    role: common
    rules:
      - local   all     +dbrole_readwrite                               md5
      - host    all     +dbrole_readwrite           127.0.0.1/32        md5

  - title: allow read-only user (stats, personal) password directly access
    role: replica
    rules:
      - local   all     +dbrole_readonly                               md5
      - host    all     +dbrole_readonly           127.0.0.1/32        md5
pg_hba_rules_extra: []

# pgbouncer host-based authentication rules
pgbouncer_hba_rules:
  - title: local password access
    role: common
    rules:
      - local  all          all                                     md5
      - host   all          all                     127.0.0.1/32    md5

  - title: 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
pgbouncer_hba_rules_extra: []


v0.4.0 Release Note

The second public beta (v0.4.0) of pigsty is available now

The second public beta (v0.4.0) of pigsty is available now ! 🎉

Monitoring System

Skim version of monitoring system consist of 10 essential dashboards:

  • PG Overview
  • PG Cluster
  • PG Service
  • PG Instance
  • PG Database
  • PG Query
  • PG Table
  • PG Table Catalog
  • PG Table Detail
  • Node

Software upgrade

  • Upgrade to PostgreSQL 13.1, Patroni 2.0.1-4, add citus to repo.
  • Upgrade to pg_exporter 0.3.1
  • Upgrade to Grafana 7.3, Ton’s of compatibility work
  • Upgrade to prometheus 2.23, with new UI as default
  • Upgrade to consul 1.9

Misc

  • Update prometheus alert rules
  • Fix alertmanager info links
  • Fix bugs and typos.
  • add a simple backup script

Offline Installation

  • pkg.tgz is the latest offline install package (1GB rpm packages, made under CentOS 7.8)

v0.3.0 Release Note

v0.3.0 First Public Beta now available!

The first public beta (v0.3.0) of pigsty is available now ! 🎉

Monitoring System

Skim version of monitoring system consist of 8 essential dashboards:

  • PG Overview
  • PG Cluster
  • PG Service
  • PG Instance
  • PG Database
  • PG Table Overview
  • PG Table Catalog
  • Node

Database Cluster Provision

  • All config files are merged into one file: conf/all.yml by default
  • Use infra.yml to provision meta node(s) and infrastructure
  • Use initdb.yml to provision database clusters
  • Use ins-add.yml to add new instance to database cluster
  • Use ins-del.yml to remove instance from database cluster

Offline Installation

  • pkg.tgz is the latest offline install package (1GB rpm packages, made under CentOS 7.8)