DCS3：3 DCS Servers

Pigsty 3 meta x 3 node minimal HA setup

  1. ---
  2. ######################################################################
  3. # File      :   pigsty.yml
  4. # Desc      :   Pigsty 3 meta x 3 node minimal HA setup
  5. # Link      :   https://pigsty.cc/#/v-config
  6. # Ctime     :   2020-05-22
  7. # Mtime     :   2022-05-22
  8. # Copyright (C) 2018-2022 Ruohang Feng (rh@vonng.com)
  9. ######################################################################
  11. ######################################################################
  12. #                        Sandbox (4-node)                            #
  13. #====================================================================#
  14. # admin user : vagrant  (nopass ssh & sudo already set)              #
  15. # 1.  meta-1  :    10.10.10.10     (2 Core | 4GB)    pg-meta-1       #
  16. # 2.  meta-2  :    10.10.10.11     (1 Core | 1GB)    pg-meta-2       #
  17. # 3.  meta-3  :    10.10.10.12     (1 Core | 1GB)    pg-meta-3       #
  18. # VIP 2: (l2 vip is available inside same LAN )                      #
  19. #     pg-meta --->  10.10.10.2 ---> 10.10.10.10                      #
  20. # Bootstrap with:                                                    #
  21. #     ./infra-demo.yml                                               #
  22. ######################################################################
  24. all:
  26.   ##################################################################
  27.   #                            CLUSTERS                            #
  28.   ##################################################################
  29.   # meta nodes, nodes, pgsql, redis, pgsql clusters are defined as
  30.   # k:v pair inside `all.children`. Where the key is cluster name
  31.   # and value is cluster definition consist of two parts:
  32.   # `hosts`: cluster members ip and instance level variables
  33.   # `vars` : cluster level variables
  34.   ##################################################################
  35.   children:                           # groups definition
  38.     #================================================================#
  39.     #                  Meta Nodes: Admin Controller                  #
  40.     #================================================================#
  41.     meta:   # meta nodes are defined in this special group "meta"
  42.       vars:
  43.         meta_node: true               # mark this group as meta nodes
  44.         ansible_group_priority: 99    # overwrite with the highest priority
  46.         nginx_enabled:       true     # setup repo & underlying nginx
  47.         nameserver_enabled:  false    # setup dnsmasq
  48.         prometheus_enabled:  true     # setup prometheus
  49.         grafana_enabled:     true     # setup grafana
  50.         loki_enabled:        true     # setup loki
  51.         docker_enabled:      true     # setup docker
  52.         dcs_safeguard:       false    # protect dcs server from fat fingers
  54.       hosts:                          # add nodes to group 'meta'
  55.         10.10.10.10: { nodename: meta-1 }
  56.         10.10.10.11: { nodename: meta-2, nginx_enabled: false , prometheus_enabled: false }
  57.         10.10.10.12: { nodename: meta-3, nginx_enabled: false , loki_enabled: false }
  58.     #================================================================#
  60.     #================================================================#
  61.     #                        PGSQL Clusters                          #
  62.     #================================================================#
  64.     #----------------------------------#
  65.     # pgsql cluster: pg-meta (CMDB)    #
  66.     #----------------------------------#
  67.     pg-meta:
  68.       hosts:
  69.         10.10.10.10: { pg_seq: 1, pg_role: primary }
  70.         10.10.10.11: { pg_seq: 2, pg_role: replica }
  71.         10.10.10.12: { pg_seq: 3, pg_role: replica , pg_offline_query: true }
  72.       vars:
  73.         pg_cluster: pg-meta
  74.         pg_users:
  75.           - { name: dbuser_meta , password: DBUser.Meta   , pgbouncer: true , roles: [ dbrole_admin ] , comment: pigsty admin user }
  76.           - { name: dbuser_view , password: DBUser.Viewer , pgbouncer: true , roles: [ dbrole_readonly ] , comment: read-only viewer for meta database }
  77.         pg_databases:
  78.           - name: meta
  79.             baseline: cmdb.sql
  80.             comment: pigsty meta database
  81.             connlimit: -1
  82.             schemas: [ pigsty ]
  83.             extensions:
  84.               - { name: adminpack, schema: pg_catalog }
  85.               - { name: postgis, schema: public }
  86.               - { name: timescaledb }
  88.         vip_mode: l2
  89.         vip_address: 10.10.10.2
  90.         vip_cidrmask: 8
  91.         vip_interface: eth1
  92.         node_crontab:
  93.           - '00 01 * * * postgres /pg/bin/pg-backup 2>>/pg/log/backup.log'
  94.           - '* * * * * postgres /usr/pgsql/bin/pgbench meta -nv -T15 -c2 2>>/pg/log/bench.log' # some random load
  96.     #----------------------------------#
  97.     # pgsql cluster: pg-meta-delay     #
  98.     #----------------------------------#
  99.     pg-meta-delay:
  100.       hosts:
  101.         10.10.10.13: { pg_seq: 1, pg_role: primary, pg_upstream: 10.10.10.10, pg_delay: 1h }
  102.       vars:
  103.         pg_cluster: pg-meta-delay
  107.   ####################################################################
  108.   #                             VARS                                 #
  109.   ####################################################################
  110.   vars:                               # global variables
  111.     version: v1.5.1                # pigsty version string
  113.     #================================================================#
  114.     #                         VARS: INFRA                            #
  115.     #================================================================#
  117.     #-----------------------------------------------------------------
  118.     # CONNECT
  119.     #-----------------------------------------------------------------
  120.     # INSTANCE level ansible connect parameters
  121.     # ansible_user: vagrant           # which user to be used (when connecting to remote nodes)
  122.     # ansible_port: 22                # which port to be used (when connecting to remote nodes)
  123.     # ansible_host: meta              # ssh alias host name (when connecting to remote nodes)
  124.     # ansible_ssh_private_key_file: ~/.ssh/id_rsa            # ssh private key file
  125.     # ansible_ssh_common_args: '-o StrictHostKeyChecking=no' # ssh common args
  127.     proxy_env:                        # global proxy env when downloading packages
  128.       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"
  129.       # http_proxy:  # set your proxy here: e.g http://user:pass@proxy.xxx.com
  130.       # https_proxy: # set your proxy here: e.g http://user:pass@proxy.xxx.com
  131.       # all_proxy:   # set your proxy here: e.g http://user:pass@proxy.xxx.com
  133.     #-----------------------------------------------------------------
  134.     # CA
  135.     #-----------------------------------------------------------------
  136.     ca_method: create                 # create|copy|recreate
  137.     ca_subject: "/CN=root-ca"         # self-signed CA subject
  138.     ca_homedir: /ca                   # ca cert directory
  139.     ca_cert: ca.crt                   # ca public key/cert
  140.     ca_key: ca.key                    # ca private key
  142.     #-----------------------------------------------------------------
  143.     # NGINX
  144.     #-----------------------------------------------------------------
  145.     nginx_enabled: true               # build local repo on this node
  146.     nginx_port: 80                    # repo listen address, must same as repo_address
  147.     nginx_home: /www                  # default repo home dir
  149.     nginx_upstream:                   # domain names and upstream servers
  150.       - { name: home         , domain: pigsty     , endpoint: "10.10.10.10:80"   }
  151.       - { name: grafana      , domain: g.pigsty   , endpoint: "10.10.10.10:3000" }
  152.       - { name: loki         , domain: l.pigsty   , endpoint: "10.10.10.10:3100" }
  153.       - { name: prometheus   , domain: p.pigsty   , endpoint: "10.10.10.10:9090" }
  154.       - { name: alertmanager , domain: a.pigsty   , endpoint: "10.10.10.10:9093" }
  155.       - { name: consul       , domain: c.pigsty   , endpoint: "127.0.0.1:8500"   }
  157.     nginx_indexes:                    # application nav links on home page
  158.       - { name: Explain  , url : '/pev2'   , comment: 'postgres explain visualizer' }
  159.       - { name: Package  , url : '/pigsty' , comment: 'local yum repo packages'     }
  160.       - { name: PG Logs  , url : '/logs'   , comment: 'postgres raw csv logs'       }
  161.       - { name: Schemas  , url : '/schema' , comment: 'schemaspy summary report'    }
  162.       - { name: Reports  , url : '/report' , comment: 'pgbadger summary report'     }
  165.     #-----------------------------------------------------------------
  166.     # REPO
  167.     #-----------------------------------------------------------------
  168.     repo_name: pigsty                 # repo name, pigsty by default
  169.     repo_address: pigsty              # external address to this repo (ip:port or url)
  170.     repo_rebuild: false               # force re-download packages
  171.     repo_remove: true                 # remove existing upstream repo
  172.     repo_upstreams:                   # where to download packages?
  173.       - name: base
  174.         description: CentOS-$releasever - Base
  175.         gpgcheck: no
  176.         baseurl:
  177.           - https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/os/$basearch/
  178.           - http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
  179.           - http://mirror.centos.org/centos/$releasever/os/$basearch/
  180.       - name: updates
  181.         description: CentOS-$releasever - Updates
  182.         gpgcheck: no
  183.         baseurl:
  184.           - https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/updates/$basearch/
  185.           - http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
  186.           - http://mirror.centos.org/centos/$releasever/updates/$basearch/
  187.       - name: extras
  188.         description: CentOS-$releasever - Extras
  189.         baseurl:
  190.           - https://mirrors.tuna.tsinghua.edu.cn/centos/$releasever/extras/$basearch/
  191.           - http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
  192.           - http://mirror.centos.org/centos/$releasever/extras/$basearch/
  193.         gpgcheck: no
  194.       - name: epel
  195.         description: CentOS $releasever - epel
  196.         gpgcheck: no
  197.         baseurl:
  198.           - https://mirrors.tuna.tsinghua.edu.cn/epel/$releasever/$basearch
  199.           - http://mirrors.aliyun.com/epel/$releasever/$basearch
  200.           - http://download.fedoraproject.org/pub/epel/$releasever/$basearch
  201.       - name: grafana
  202.         description: Grafana Official Yum Repo
  203.         enabled: yes
  204.         gpgcheck: no
  205.         baseurl:
  206.           - https://mirrors.tuna.tsinghua.edu.cn/grafana/yum/rpm
  207.           - https://packages.grafana.com/oss/rpm
  208.       - name: prometheus
  209.         description: Prometheus and exporters
  210.         gpgcheck: no
  211.         baseurl: https://packagecloud.io/prometheus-rpm/release/el/$releasever/$basearch
  212.       - name: pgdg-common
  213.         description: PostgreSQL common RPMs for RHEL/CentOS $releasever - $basearch
  214.         gpgcheck: no
  215.         baseurl:
  216.           - http://mirrors.tuna.tsinghua.edu.cn/postgresql/repos/yum/common/redhat/rhel-$releasever-$basearch
  217.           - https://download.postgresql.org/pub/repos/yum/common/redhat/rhel-$releasever-$basearch
  218.       - name: pgdg14
  219.         description: PostgreSQL 14 for RHEL/CentOS $releasever - $basearch
  220.         gpgcheck: no
  221.         baseurl:
  222.           - https://mirrors.tuna.tsinghua.edu.cn/postgresql/repos/yum/14/redhat/rhel-$releasever-$basearch
  223.           - https://download.postgresql.org/pub/repos/yum/14/redhat/rhel-$releasever-$basearch
  224.       - name: timescaledb
  225.         description: TimescaleDB for RHEL/CentOS $releasever - $basearch
  226.         gpgcheck: no
  227.         baseurl:
  228.           - https://packagecloud.io/timescale/timescaledb/el/7/$basearch
  229.       - name: centos-sclo
  230.         description: CentOS-$releasever - SCLo
  231.         gpgcheck: no
  232.         #mirrorlist: http://mirrorlist.centos.org?arch=$basearch&release=$releasever&repo=sclo-sclo
  233.         baseurl: http://mirrors.aliyun.com/centos/$releasever/sclo/$basearch/sclo/
  234.       - name: centos-sclo-rh
  235.         description: CentOS-$releasever - SCLo rh
  236.         gpgcheck: no
  237.         #mirrorlist: http://mirrorlist.centos.org?arch=$basearch&release=7&repo=sclo-rh
  238.         baseurl: http://mirrors.aliyun.com/centos/$releasever/sclo/$basearch/rh/
  239.       - name: nginx
  240.         description: Nginx Official Yum Repo
  241.         skip_if_unavailable: true
  242.         gpgcheck: no
  243.         baseurl: http://nginx.org/packages/centos/$releasever/$basearch/
  244.       - name: harbottle               # for latest consul & kubernetes
  245.         description: Copr repo for main owned by harbottle
  246.         skip_if_unavailable: true
  247.         gpgcheck: no
  248.         baseurl: https://download.copr.fedorainfracloud.org/results/harbottle/main/epel-$releasever-$basearch/
  249.       - name: pg_probackup            # for pg_probackup
  250.         description: PG_PROBACKUP Centos packages for PostgresPro Standard and Enterprise - $basearch
  251.         skip_if_unavailable: true
  252.         gpgcheck: no
  253.         baseurl: https://repo.postgrespro.ru/pg_probackup-forks/rpm/latest/centos-$releasever-$basearch
  254.       - name: docker-ce               # for latest docker
  255.         description: Docker CE Stable - $basearch
  256.         skip_if_unavailable: true
  257.         gpgcheck: no
  258.         baseurl:
  259.           - https://mirrors.aliyun.com/docker-ce/linux/centos/$releasever/$basearch/stable
  260.           - https://download.docker.com/linux/centos/$releasever/$basearch/stable
  262.     repo_packages:                    # which packages to be included                                                    #  what to download #
  263.       - epel-release nginx wget yum-utils yum createrepo sshpass zip unzip                                              # ----  boot   ---- #
  264.       - ntp chrony uuid lz4 bzip2 nc pv jq vim-enhanced make patch bash lsof wget git tuned perf ftp lrzsz rsync        # ----  node   ---- #
  265.       - numactl grubby sysstat dstat iotop bind-utils net-tools tcpdump socat ipvsadm telnet ca-certificates keepalived # ----- utils ----- #
  266.       - readline zlib openssl openssh-clients libyaml libxml2 libxslt libevent perl perl-devel perl-ExtUtils*           # ---  deps:pg  --- #
  267.       - readline-devel zlib-devel uuid-devel libuuid-devel libxml2-devel libxslt-devel openssl-devel libicu-devel       # --- deps:devel -- #
  268.       - grafana prometheus2 pushgateway alertmanager mtail consul consul_exporter consul-template etcd dnsmasq          # -----  meta ----- #
  269.       - node_exporter nginx_exporter blackbox_exporter redis_exporter                                                   # ---- exporter --- #
  270.       - ansible python python-pip python-psycopg2                                                                       # - ansible & py3 - #
  271.       - python3 python3-psycopg2 python36-requests python3-etcd python3-consul python36-urllib3 python36-idna python36-pyOpenSSL python36-cryptography
  272.       - patroni patroni-consul patroni-etcd pgbouncer pg_cli pgbadger pg_activity tail_n_mail                           # -- pgsql common - #
  273.       - pgcenter boxinfo check_postgres emaj pgbconsole pg_bloat_check pgquarrel barman barman-cli pgloader pgFormatter pitrery pspg pgxnclient PyGreSQL
  274.       - postgresql14* postgis32_14* citus_14* pglogical_14* timescaledb-2-postgresql-14 pg_repack_14 wal2json_14        # -- pg14 packages -#
  275.       - pg_qualstats_14 pg_stat_kcache_14 pg_stat_monitor_14 pg_top_14 pg_track_settings_14 pg_wait_sampling_14 pg_probackup-std-14
  276.       - pg_statement_rollback_14 system_stats_14 plproxy_14 plsh_14 pldebugger_14 plpgsql_check_14 pgmemcache_14 # plr_14
  277.       - mysql_fdw_14 ogr_fdw_14 tds_fdw_14 sqlite_fdw_14 firebird_fdw_14 hdfs_fdw_14 mongo_fdw_14 osm_fdw_14 pgbouncer_fdw_14
  278.       - hypopg_14 geoip_14 rum_14 hll_14 ip4r_14 prefix_14 pguri_14 tdigest_14 topn_14 periods_14
  279.       - bgw_replstatus_14 count_distinct_14 credcheck_14 ddlx_14 extra_window_functions_14 logerrors_14 mysqlcompat_14 orafce_14
  280.       - repmgr_14 pg_auth_mon_14 pg_auto_failover_14 pg_background_14 pg_bulkload_14 pg_catcheck_14 pg_comparator_14
  281.       - pg_cron_14 pg_fkpart_14 pg_jobmon_14 pg_partman_14 pg_permissions_14 pg_prioritize_14 pgagent_14
  282.       - pgaudit16_14 pgauditlogtofile_14 pgcryptokey_14 pgexportdoc_14 pgfincore_14 pgimportdoc_14 powa_14 pgmp_14 pgq_14
  283.       - pgquarrel-0.7.0-1 pgsql_tweaks_14 pgtap_14 pgtt_14 postgresql-unit_14 postgresql_anonymizer_14 postgresql_faker_14
  284.       - safeupdate_14 semver_14 set_user_14 sslutils_14 table_version_14 # pgrouting_14 osm2pgrouting_14
  285.       - clang coreutils diffutils rpm-build rpm-devel rpmlint rpmdevtools bison flex # gcc gcc-c++                      # - build utils - #
  286.       - docker-ce docker-compose kubelet kubectl kubeadm kubernetes-cni helm                                            # - cloud native- #
  288.     repo_url_packages:                # extra packages from url
  289.       - https://github.com/Vonng/loki-rpm/releases/download/v2.5.0/loki-2.5.0.x86_64.rpm
  290.       - https://github.com/Vonng/loki-rpm/releases/download/v2.5.0/promtail-2.5.0.x86_64.rpm
  291.       - https://github.com/Vonng/pg_exporter/releases/download/v0.5.0/pg_exporter-0.5.0.x86_64.rpm
  292.       - https://github.com/cybertec-postgresql/vip-manager/releases/download/v1.0.2/vip-manager-1.0.2-1.x86_64.rpm
  293.       - https://github.com/Vonng/haproxy-rpm/releases/download/v2.5.7/haproxy-2.5.7-1.el7.x86_64.rpm
  294.       - https://github.com/Vonng/pigsty-pkg/releases/download/misc/redis-6.2.7-1.el7.remi.x86_64.rpm
  295.       - https://github.com/dalibo/pev2/releases/download/v0.24.0/pev2.tar.gz
  296.       - https://github.com/Vonng/pigsty-pkg/releases/download/misc/polysh-0.4-1.noarch.rpm
  298.     #-----------------------------------------------------------------
  299.     # NAMESERVER
  300.     #-----------------------------------------------------------------
  301.     nameserver_enabled: false         # setup dnsmasq
  302.     dns_records:                      # dynamic dns record resolved by dnsmasq
  303.       - 10.10.10.2  pg-meta           # sandbox vip for pg-meta
  304.       - 10.10.10.3  pg-test           # sandbox vip for pg-test
  305.       - 10.10.10.10 pg-meta-1         # sandbox instance pg-meta-1
  306.       - 10.10.10.11 pg-test-1         # sandbox instance node-1
  307.       - 10.10.10.12 pg-test-2         # sandbox instance node-2
  308.       - 10.10.10.13 pg-test-3         # sandbox instance node-3
  310.     #-----------------------------------------------------------------
  311.     # PROMETHEUS
  312.     #-----------------------------------------------------------------
  313.     prometheus_enabled: true          # setup prometheus
  314.     prometheus_data_dir: /data/prometheus/data
  315.     prometheus_options: '--storage.tsdb.retention=15d'
  316.     prometheus_reload: false          # reload prometheus instead of recreate it?
  317.     prometheus_sd_method: static      # service discovery method: static|consul
  318.     prometheus_sd_interval: 5s        # service discovery refresh interval
  319.     prometheus_scrape_interval: 10s   # global scrape & evaluation interval
  320.     prometheus_scrape_timeout: 8s     # scrape timeout
  322.     #-----------------------------------------------------------------
  323.     # EXPORTER
  324.     #-----------------------------------------------------------------
  325.     exporter_install: none            # none|yum|binary, none by default
  326.     exporter_repo_url: ''             # if set, repo will be added to /etc/yum.repos.d/
  327.     exporter_metrics_path: /metrics   # default metric path for pg related exporter
  329.     #-----------------------------------------------------------------
  330.     # GRAFANA
  331.     #-----------------------------------------------------------------
  332.     grafana_enabled: true             # enable grafana? only works on meta nodes
  333.     grafana_endpoint: http://10.10.10.10:3000     # grafana endpoint url
  334.     grafana_admin_username: admin     # default grafana admin username
  335.     grafana_admin_password: pigsty    # default grafana admin password
  336.     grafana_database: sqlite3         # default grafana database type: sqlite3|postgres
  337.     grafana_pgurl: postgres://dbuser_grafana:DBUser.Grafana@meta:5436/grafana
  339.     grafana_plugin_method: install    # none|install|always, none will skip plugin install
  340.     grafana_plugin_cache: /www/pigsty/plugins.tgz # path to grafana plugins cache tarball
  341.     grafana_plugin_list:              # plugins that will be downloaded via grafana-cli
  342.       - marcusolsson-csv-datasource
  343.       - marcusolsson-json-datasource
  344.       - marcusolsson-treemap-panel
  345.     grafana_plugin_git:               # plugins that will be downloaded via git
  346.       - https://github.com/Vonng/vonng-echarts-panel
  349.     #-----------------------------------------------------------------
  350.     # LOKI
  351.     #-----------------------------------------------------------------
  352.     loki_enabled: true                # enable loki? only works on meta nodes
  353.     loki_clean: false                 # whether remove existing loki data
  354.     loki_endpoint: http://10.10.10.10:3100/loki/api/v1/push # where to push data
  355.     loki_options: '-config.file=/etc/loki.yml -config.expand-env=true'
  356.     loki_data_dir: /data/loki         # default loki data dir
  357.     loki_retention: 15d               # log retention period
  359.     #-----------------------------------------------------------------
  360.     # DCS
  361.     #-----------------------------------------------------------------
  362.     dcs_name: pigsty                  # consul dc name
  363.     dcs_servers:                      # dcs server dict in name:ip format
  364.       meta-1: 10.10.10.10             # using existing external dcs cluster is recommended for HA
  365.       meta-2: 10.10.10.11             # node with ip in dcs_servers will be initialized as dcs servers
  366.       meta-3: 10.10.10.12             # it's recommend to reuse meta nodes as dcs servers if no ad hoc cluster available
  367.     dcs_registry: consul              # where to register services: none | consul | etcd | both
  368.     dcs_safeguard: false              # if true, running dcs will NOT be removed
  369.     dcs_clean: true                   # if true, running dcs will be purged during node init, DANGEROUS
  371.     #-----------------------------------------------------------------
  372.     # CONSUL
  373.     #-----------------------------------------------------------------
  374.     consul_enabled: true              # enable consul server/agent by default?
  375.     consul_data_dir: /data/consul     # consul data dir (/data/consul by default)
  377.     #-----------------------------------------------------------------
  378.     # ETCD
  379.     #-----------------------------------------------------------------
  380.     etcd_enabled: true                # enable etcd server by default?
  381.     etcd_data_dir: /data/etcd         # etcd data dir (/data/etcd by default)
  384.     #================================================================#
  385.     #                         VARS: NODES                            #
  386.     #================================================================#
  387.     # global variables for nodes (including meta)
  389.     #-----------------------------------------------------------------
  390.     # NODE_IDENTITY
  391.     #-----------------------------------------------------------------
  392.     meta_node: false                  # node with meta_node flag will be marked as admin node
  393.     # nodename:          # [OPTIONAL] # node instance identity, used as `ins`, hostname by default
  394.     node_cluster: nodes  # [OPTIONAL] # node cluster identity, used as `cls`, 'nodes' by default
  395.     nodename_overwrite: true          # overwrite node's hostname with nodename?
  396.     nodename_exchange: false          # exchange nodename among play hosts?
  398.     #-----------------------------------------------------------------
  399.     # NODE_DNS
  400.     #-----------------------------------------------------------------
  401.     node_etc_hosts_default:           # static dns records in /etc/hosts
  402.       - 10.10.10.10 meta pigsty p.pigsty g.pigsty a.pigsty c.pigsty l.pigsty
  403.       - 10.10.10.10 api.pigsty adm.pigsty cli.pigsty ddl.pigsty lab.pigsty git.pigsty sss.pigsty
  404.     node_etc_hosts: []                # extra static dns records in /etc/hosts
  406.     node_dns_method: add              # add (default) | none (skip) | overwrite (remove old settings)
  407.     node_dns_servers:                 # dynamic nameserver in /etc/resolv.conf
  408.       - 10.10.10.10
  409.     node_dns_options:                 # dns resolv options
  410.       - options single-request-reopen timeout:1 rotate
  411.       - domain service.consul
  413.     #-----------------------------------------------------------------
  414.     # NODE_REPO
  415.     #-----------------------------------------------------------------
  416.     node_repo_method: local           # none|local: ad local repo|public: add upstream directly
  417.     node_repo_remove: true            # remove existing repo on nodes?
  418.     node_repo_local_urls:             # list local repo url, if node_repo_method = local
  419.       - http://pigsty/pigsty.repo
  421.     node_packages: [ ]                # extra packages for all nodes
  422.     node_packages_default:            # common packages for all nodes
  423.       - wget,sshpass,ntp,chrony,tuned,uuid,lz4,make,patch,bash,lsof,wget,unzip,git,ftp,vim-minimal,ca-certificates
  424.       - numactl,grubby,sysstat,dstat,iotop,bind-utils,net-tools,tcpdump,socat,ipvsadm,telnet,tuned,nc,pv,jq,perf
  425.       - readline,zlib,openssl,openssl-libs,openssh-clients,python3,python36-requests,node_exporter,consul,etcd,promtail
  426.     node_packages_meta:               # extra packages for meta nodes
  427.       - grafana,prometheus2,alertmanager,loki,nginx_exporter,blackbox_exporter,pushgateway,redis,postgresql14
  428.       - nginx,ansible,pgbadger,python-psycopg2,dnsmasq,coreutils,diffutils,polysh,docker-ce,docker-compose
  429.     node_packages_meta_pip: jupyterlab
  431.     #-----------------------------------------------------------------
  432.     # NODE_TUNE
  433.     #-----------------------------------------------------------------
  434.     node_disable_firewall: true       # disable firewall
  435.     node_disable_selinux: true        # disable selinux
  436.     node_disable_numa: false          # disable numa (node reboot required)
  437.     node_disable_swap: false          # disable swap, use with caution
  438.     node_static_network: true         # keep dns resolver settings after reboot
  439.     node_disk_prefetch: false         # setup disk prefetch on HDD to increase performance
  440.     node_kernel_modules: [ softdog, br_netfilter, ip_vs, ip_vs_rr, ip_vs_rr, ip_vs_wrr, ip_vs_sh ]
  441.     node_tune: tiny                   # install and activate tuned profile: none|oltp|olap|crit|tiny
  442.     node_sysctl_params: { }           # set additional sysctl parameters, k:v format
  444.     #-----------------------------------------------------------------
  445.     # NODE_ADMIN
  446.     #-----------------------------------------------------------------
  447.     node_data_dir: /data              # main data directory
  448.     node_admin_enabled: true          # create a default admin user defined by `node_admin_*` ?
  449.     node_admin_uid: 88                # uid and gid for this admin user
  450.     node_admin_username: dba          # name of this admin user, dba by default
  451.     node_admin_ssh_exchange: true     # exchange admin ssh key among each pgsql cluster ?
  452.     node_admin_pk_current: true       # add current user's ~/.ssh/id_rsa.pub to admin authorized_keys ?
  453.     node_admin_pk_list:               # ssh public keys to be added to admin user (REPLACE WITH YOURS!)
  454.       - 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAAAgQC7IMAMNavYtWwzAJajKqwdn3ar5BhvcwCnBTxxEkXhGlCO2vfgosSAQMEflfgvkiI5nM1HIFQ8KINlx1XLO7SdL5KdInG5LIJjAFh0pujS4kNCT9a5IGvSq1BrzGqhbEcwWYdju1ZPYBcJm/MG+JD0dYCh8vfrYB/cYMD0SOmNkQ== vagrant@pigsty.com'
  456.     #-----------------------------------------------------------------
  457.     # NODE_TIME
  458.     #-----------------------------------------------------------------
  459.     node_timezone: Asia/Hong_Kong     # default node timezone, empty will not change
  460.     node_ntp_enabled: true            # enable ntp service? false will leave ntp service untouched
  461.     node_ntp_service: ntp             # ntp service provider: ntp|chrony
  462.     node_ntp_servers:                 # default NTP servers
  463.       - pool cn.pool.ntp.org iburst
  464.       - pool pool.ntp.org iburst
  465.       - pool time.pool.aliyun.com iburst
  466.       - server 10.10.10.10 iburst
  467.       - server ntp.tuna.tsinghua.edu.cn iburst
  468.     node_crontab_overwrite: true      # true will overwrite /etc/crontab, false will append crontab
  469.     node_crontab: [ ]                 # crontab entries in /etc/crontab
  471.     #-----------------------------------------------------------------
  472.     # DOCKER
  473.     #-----------------------------------------------------------------
  474.     docker_enabled: false             # enable docker on all nodes? (you can enable them on meta nodes only)
  475.     docker_cgroups_driver: systemd    # docker cgroup fs driver
  476.     docker_registry_mirrors: []       # docker registry mirror
  477.     docker_image_cache: /tmp/docker.tgz # docker images tarball to be loaded if exists
  479.     #-----------------------------------------------------------------
  480.     # NODE_EXPORTER
  481.     #-----------------------------------------------------------------
  482.     node_exporter_enabled: true       # setup node_exporter on instance
  483.     node_exporter_port: 9100          # default port for node exporter
  484.     node_exporter_options: '--no-collector.softnet --no-collector.nvme --collector.ntp --collector.tcpstat --collector.processes'
  486.     #-----------------------------------------------------------------
  487.     # PROMTAIL
  488.     #-----------------------------------------------------------------
  489.     promtail_enabled: true            # enable promtail logging collector?
  490.     promtail_clean: false             # remove promtail status file? false by default
  491.     promtail_port: 9080               # default listen address for promtail
  492.     promtail_options: '-config.file=/etc/promtail.yml -config.expand-env=true'
  493.     promtail_positions: /var/log/positions.yaml   # position status for promtail
  496.     #================================================================#
  497.     #                         VARS: PGSQL                            #
  498.     #================================================================#
  500.     #-----------------------------------------------------------------
  501.     # PG_IDENTITY
  502.     #-----------------------------------------------------------------
  503.     # pg_cluster:                     # <CLUSTER>  <REQUIRED>  : pgsql cluster name
  504.     # pg_role: replica                # <INSTANCE> <REQUIRED>  : pg role : primary, replica, offline
  505.     # pg_seq: 0                       # <INSTANCE> <REQUIRED>  : instance seq number
  506.     # pg_instances: {}                # <INSTANCE>             : define multiple pg instances on node, used by monly & gpsql
  507.     # pg_upstream:                    # <INSTANCE>             : replication upstream ip addr
  509.     # pg_shard:                       # <CLUSTER>              : pgsql shard name
  510.     # pg_sindex: 0                    # <CLUSTER>              : pgsql shard index
  511.     # gp_role: master                 # <CLUSTER>              : gpsql role, master or segment
  513.     pg_offline_query: false           # <INSTANCE> [FLAG] set to true to enable offline query on this instance (instance level)
  514.     pg_backup: false                  # <INSTANCE> [FLAG] store base backup on this node (instance level, reserved)
  515.     pg_weight: 100                    # <INSTANCE> [FLAG] default load balance weight (instance level)
  516.     pg_hostname: true                 # [FLAG] reuse postgres identity name as node identity?
  517.     pg_preflight_skip: false          # [FLAG] skip preflight identity check
  519.     #-----------------------------------------------------------------
  520.     # PG_BUSINESS
  521.     #-----------------------------------------------------------------
  522.     # overwrite these variables on <CLUSTER> level
  523.     pg_users: []                      # business users
  524.     pg_databases: []                  # business databases
  525.     pg_services_extra: []             # extra services
  526.     pg_hba_rules_extra: []            # extra hba rules
  527.     pgbouncer_hba_rules_extra: []     # extra pgbouncer hba rules
  529.     # WARNING: change these in production environment!
  530.     pg_admin_username: dbuser_dba
  531.     pg_admin_password: DBUser.DBA
  532.     pg_monitor_username: dbuser_monitor
  533.     pg_monitor_password: DBUser.Monitor
  534.     pg_replication_username: replicator
  535.     pg_replication_password: DBUser.Replicator
  537.     #-----------------------------------------------------------------
  538.     # PG_INSTALL
  539.     #-----------------------------------------------------------------
  540.     pg_dbsu: postgres                 # os user for database, postgres by default (unwise to change it)
  541.     pg_dbsu_uid: 26                   # os dbsu uid and gid, 26 for default postgres users and groups
  542.     pg_dbsu_sudo: limit               # dbsu sudo privilege: none|limit|all|nopass, limit by default
  543.     pg_dbsu_home: /var/lib/pgsql      # postgresql home directory
  544.     pg_dbsu_ssh_exchange: true        # exchange postgres dbsu ssh key among same cluster ?
  545.     pg_version: 14                    # default postgresql version to be installed
  546.     pgdg_repo: false                  # add pgdg official repo before install (in case of no local repo available)
  547.     pg_add_repo: false                # add postgres relate repo before install ?
  548.     pg_bin_dir: /usr/pgsql/bin        # postgres binary dir, default is /usr/pgsql/bin, which use /usr/pgsql -> /usr/pgsql-{ver}
  549.     pg_packages:                      # postgresql related packages. `${pg_version} will be replaced by `pg_version`
  550.       - postgresql${pg_version}*      # postgresql kernel packages
  551.       - postgis32_${pg_version}*      # postgis
  552.       - citus_${pg_version}*          # citus
  553.       - timescaledb-2-postgresql-${pg_version}    # timescaledb
  554.       - pgbouncer pg_exporter pgbadger pg_activity node_exporter consul haproxy vip-manager
  555.       - patroni patroni-consul patroni-etcd python3 python3-psycopg2 python36-requests python3-etcd
  556.       - python3-consul python36-urllib3 python36-idna python36-pyOpenSSL python36-cryptography
  557.     pg_extensions:                   # postgresql extensions, `${pg_version} will be replaced by actual `pg_version`
  558.       - pg_repack_${pg_version} pg_qualstats_${pg_version} pg_stat_kcache_${pg_version} pg_stat_monitor_${pg_version} wal2json_${pg_version}
  559.     # - ogr_fdw${pg_version} mysql_fdw_${pg_version} redis_fdw_${pg_version} mongo_fdw${pg_version} hdfs_fdw_${pg_version}
  560.     # - count_distinct${version}  ddlx_${version}  geoip${version}  orafce${version}
  561.     # - hypopg_${version}  ip4r${version}  jsquery_${version}  logerrors_${version}  periods_${version}  pg_auto_failover_${version}  pg_catcheck${version}
  562.     # - pg_fkpart${version}  pg_jobmon${version}  pg_partman${version}  pg_prioritize_${version}  pg_track_settings${version}  pgaudit15_${version}
  563.     # - pgcryptokey${version}  pgexportdoc${version}  pgimportdoc${version}  pgmemcache-${version}  pgmp${version}  pgq-${version}  pgquarrel pgrouting_${version}
  564.     # - pguint${version}  pguri${version}  prefix${version}   safeupdate_${version}  semver${version}   table_version${version}  tdigest${version}
  566.     #-----------------------------------------------------------------
  567.     # PG_BOOTSTRAP
  568.     #-----------------------------------------------------------------
  569.     pg_safeguard: false               # true will disable pg_clean at all, even for pgsql-remove.yml
  570.     pg_clean: true                    # true will clean running postgres during pgsql init (DANGEROUS)
  571.     pg_data: /pg/data                 # postgres data directory (soft link)
  572.     pg_fs_main: /data                 # primary data disk mount point   /pg   -> {{ pg_fs_main }}/postgres/{{ pg_instance }}
  573.     pg_fs_bkup: /data/backups         # backup disk mount point         /pg/* -> {{ pg_fs_bkup }}/postgres/{{ pg_instance }}/*
  574.     pg_dummy_filesize: 64MiB          # /pg/dummy hold some disk space for emergency use
  575.     pg_listen: '0.0.0.0'              # postgres listen address, '0.0.0.0' (all ipv4 addr) by default
  576.     pg_port: 5432                     # postgres port, 5432 by default
  577.     pg_localhost: /var/run/postgresql # localhost unix socket dir for connection
  578.     patroni_enabled: true             # if not enabled, no postgres cluster will be created
  579.     patroni_mode: default             # pause|default|remove
  580.     pg_dcs_type: consul               # which dcs to use: consul or etcd or raft
  581.     pg_namespace: /pg                 # top level key namespace in dcs
  582.     patroni_port: 8008                # default patroni port
  583.     patroni_watchdog_mode: automatic  # watchdog mode: off|automatic|required
  584.     pg_conf: tiny.yml                 # pgsql template:  {oltp|olap|crit|tiny}.yml
  585.     pg_libs: 'timescaledb, pg_stat_statements, auto_explain'  # extensions to be loaded
  586.     pg_delay: 0                       # apply delay for standby cluster leader
  587.     pg_checksum: false                # enable data checksum by default
  588.     pg_encoding: UTF8                 # database cluster encoding, UTF8 by default
  589.     pg_locale: C                      # database cluster local, C by default
  590.     pg_lc_collate: C                  # database cluster collate, C by default
  591.     pg_lc_ctype: en_US.UTF8           # database character type, en_US.UTF8 by default (for i18n full-text search)
  592.     pgbouncer_enabled: true           # if not enabled, pgbouncer will not be created
  593.     pgbouncer_port: 6432              # pgbouncer port, 6432 by default
  594.     pgbouncer_poolmode: transaction   # pooling mode: session|transaction|statement, transaction pooling by default
  595.     pgbouncer_max_db_conn: 100        # max connection to single database, DO NOT set this larger than postgres max conn or db connlimit
  597.     #-----------------------------------------------------------------
  598.     # PG_PROVISION
  599.     #-----------------------------------------------------------------
  600.     pg_provision: true                # whether provisioning postgres cluster
  601.     pg_init: pg-init                  # init script for cluster template
  603.     pg_default_roles:
  604.       - { name: dbrole_readonly  , login: false , comment: role for global read-only access  }                            # production read-only role
  605.       - { name: dbrole_readwrite , login: false , roles: [dbrole_readonly], comment: role for global read-write access }  # production read-write role
  606.       - { name: dbrole_offline , login: false , comment: role for restricted read-only access (offline instance) }        # restricted-read-only role
  607.       - { name: dbrole_admin , login: false , roles: [pg_monitor, dbrole_readwrite] , comment: role for object creation }  # production DDL change role
  608.       - { name: postgres , superuser: true , comment: system superuser }                             # system dbsu, name is designated by `pg_dbsu`
  609.       - { name: dbuser_dba , superuser: true , roles: [dbrole_admin] , comment: system admin user }  # admin dbsu, name is designated by `pg_admin_username`
  610.       - { name: replicator , replication: true , bypassrls: true , roles: [pg_monitor, dbrole_readonly] , comment: system replicator }                   # replicator
  611.       - { name: dbuser_monitor , roles: [pg_monitor, dbrole_readonly] , comment: system monitor user , parameters: {log_min_duration_statement: 1000 } } # monitor user
  612.       - { name: dbuser_stats , password: DBUser.Stats , roles: [dbrole_offline] , comment: business offline user for offline queries and ETL }           # ETL user
  613.     pg_default_privileges:            # - privileges - #
  614.       - GRANT USAGE                         ON SCHEMAS   TO dbrole_readonly
  615.       - GRANT SELECT                        ON TABLES    TO dbrole_readonly
  616.       - GRANT SELECT                        ON SEQUENCES TO dbrole_readonly
  617.       - GRANT EXECUTE                       ON FUNCTIONS TO dbrole_readonly
  618.       - GRANT USAGE                         ON SCHEMAS   TO dbrole_offline
  619.       - GRANT SELECT                        ON TABLES    TO dbrole_offline
  620.       - GRANT SELECT                        ON SEQUENCES TO dbrole_offline
  621.       - GRANT EXECUTE                       ON FUNCTIONS TO dbrole_offline
  622.       - GRANT INSERT, UPDATE, DELETE        ON TABLES    TO dbrole_readwrite
  623.       - GRANT USAGE, UPDATE                 ON SEQUENCES TO dbrole_readwrite
  624.       - GRANT TRUNCATE, REFERENCES, TRIGGER ON TABLES    TO dbrole_admin
  625.       - GRANT CREATE                        ON SCHEMAS   TO dbrole_admin
  626.     pg_default_schemas: [ monitor ]   # default schemas to be created
  627.     pg_default_extensions:            # default extensions to be created
  628.       - { name: 'pg_stat_statements', schema: 'monitor' }
  629.       - { name: 'pgstattuple',        schema: 'monitor' }
  630.       - { name: 'pg_qualstats',       schema: 'monitor' }
  631.       - { name: 'pg_buffercache',     schema: 'monitor' }
  632.       - { name: 'pageinspect',        schema: 'monitor' }
  633.       - { name: 'pg_prewarm',         schema: 'monitor' }
  634.       - { name: 'pg_visibility',      schema: 'monitor' }
  635.       - { name: 'pg_freespacemap',    schema: 'monitor' }
  636.       - { name: 'pg_repack',          schema: 'monitor' }
  637.       - name: postgres_fdw
  638.       - name: file_fdw
  639.       - name: btree_gist
  640.       - name: btree_gin
  641.       - name: pg_trgm
  642.       - name: intagg
  643.       - name: intarray
  645.     pg_reload: true                   # reload postgres after hba changes
  646.     pg_hba_rules:                     # postgres host-based authentication rules
  647.       - title: allow meta node password access
  648.         role: common
  649.         rules:
  650.           - host    all     all                         10.10.10.10/32      md5
  651.       - title: allow intranet admin password access
  652.         role: common
  653.         rules:
  654.           - host    all     +dbrole_admin               10.0.0.0/8          md5
  655.           - host    all     +dbrole_admin               172.16.0.0/12       md5
  656.           - host    all     +dbrole_admin               192.168.0.0/16      md5
  657.       - title: allow intranet password access
  658.         role: common
  659.         rules:
  660.           - host    all             all                 10.0.0.0/8          md5
  661.           - host    all             all                 172.16.0.0/12       md5
  662.           - host    all             all                 192.168.0.0/16      md5
  663.       - title: allow local read/write (local production user via pgbouncer)
  664.         role: common
  665.         rules:
  666.           - local   all     +dbrole_readonly                                md5
  667.           - host    all     +dbrole_readonly           127.0.0.1/32         md5
  668.       - title: allow offline query (ETL,SAGA,Interactive) on offline instance
  669.         role: offline
  670.         rules:
  671.           - host    all     +dbrole_offline               10.0.0.0/8        md5
  672.           - host    all     +dbrole_offline               172.16.0.0/12     md5
  673.           - host    all     +dbrole_offline               192.168.0.0/16    md5
  675.     pgbouncer_hba_rules:              # pgbouncer host-based authentication rules
  676.       - title: local password access
  677.         role: common
  678.         rules:
  679.           - local  all          all                                     md5
  680.           - host   all          all                     127.0.0.1/32    md5
  681.       - title: intranet password access
  682.         role: common
  683.         rules:
  684.           - host   all          all                     10.0.0.0/8      md5
  685.           - host   all          all                     172.16.0.0/12   md5
  686.           - host   all          all                     192.168.0.0/16  md5
  688.     #-----------------------------------------------------------------
  689.     # PG_EXPORTER
  690.     #-----------------------------------------------------------------
  691.     pg_exporter_enabled: true              # setup pg_exporter on instance
  692.     pg_exporter_config: pg_exporter.yml    # use fast cache exporter for demo
  693.     pg_exporter_port: 9630                 # pg_exporter listen port
  694.     pg_exporter_params: 'sslmode=disable'  # url query parameters for pg_exporter
  695.     pg_exporter_url: ''                    # optional, overwrite auto-generate postgres connstr
  696.     pg_exporter_auto_discovery: true       # optional, discovery available database on target instance ?
  697.     pg_exporter_exclude_database: 'template0,template1,postgres' # optional, comma separated list of database that WILL NOT be monitored when auto-discovery enabled
  698.     pg_exporter_include_database: ''       # optional, comma separated list of database that WILL BE monitored when auto-discovery enabled, empty string will disable include mode
  699.     pg_exporter_options: '--log.level=info --log.format="logger:syslog?appname=pg_exporter&local=7"'
  700.     pgbouncer_exporter_enabled: true       # setup pgbouncer_exporter on instance (if you don't have pgbouncer, disable it)
  701.     pgbouncer_exporter_port: 9631          # pgbouncer_exporter listen port
  702.     pgbouncer_exporter_url: ''             # optional, overwrite auto-generate pgbouncer connstr
  703.     pgbouncer_exporter_options: '--log.level=info --log.format="logger:syslog?appname=pgbouncer_exporter&local=7"'
  705.     #-----------------------------------------------------------------
  706.     # PG_SERVICE
  707.     #-----------------------------------------------------------------
  708.     pg_services:                      # how to expose postgres service in cluster?
  709.       - name: primary                 # service name {{ pg_cluster }}-primary
  710.         src_ip: "*"
  711.         src_port: 5433
  712.         dst_port: pgbouncer           # 5433 route to pgbouncer
  713.         check_url: /primary           # primary health check, success when instance is primary
  714.         selector: "[]"                # select all instance as primary service candidate
  716.       - name: replica                 # service name {{ pg_cluster }}-replica
  717.         src_ip: "*"
  718.         src_port: 5434
  719.         dst_port: pgbouncer
  720.         check_url: /read-only         # read-only health check. (including primary)
  721.         selector: "[]"                # select all instance as replica service candidate
  722.         selector_backup: "[? pg_role == `primary` || pg_role == `offline` ]"
  724.       - name: default                 # service's actual name is {{ pg_cluster }}-default
  725.         src_ip: "*"                   # service bind ip address, * for all, vip for cluster virtual ip address
  726.         src_port: 5436                # bind port, mandatory
  727.         dst_port: postgres            # target port: postgres|pgbouncer|port_number , pgbouncer(6432) by default
  728.         check_method: http            # health check method: only http is available for now
  729.         check_port: patroni           # health check port:  patroni|pg_exporter|port_number , patroni by default
  730.         check_url: /primary           # health check url path, / as default
  731.         check_code: 200               # health check http code, 200 as default
  732.         selector: "[]"                # instance selector
  733.         haproxy:                      # haproxy specific fields
  734.           maxconn: 3000               # default front-end connection
  735.           balance: roundrobin         # load balance algorithm (roundrobin by default)
  736.           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'
  738.       - name: offline                 # service name {{ pg_cluster }}-offline
  739.         src_ip: "*"
  740.         src_port: 5438
  741.         dst_port: postgres
  742.         check_url: /replica           # offline MUST be a replica
  743.         selector: "[? pg_role == `offline` || pg_offline_query ]"         # instances with pg_role == 'offline' or instance marked with 'pg_offline_query == true'
  744.         selector_backup: "[? pg_role == `replica` && !pg_offline_query]"  # replica are used as backup server in offline service
  746.     haproxy_enabled: true             # enable haproxy on this node?
  747.     haproxy_reload: true              # reload haproxy after config?
  748.     haproxy_auth_enabled: false       # enable authentication for haproxy admin?
  749.     haproxy_admin_username: admin     # default haproxy admin username
  750.     haproxy_admin_password: pigsty    # default haproxy admin password
  751.     haproxy_exporter_port: 9101       # default admin/exporter port
  752.     haproxy_client_timeout: 24h       # client side connection timeout
  753.     haproxy_server_timeout: 24h       # server side connection timeout
  754.     vip_mode: none                    # none | l2 | l4 , l4 not implemented yet
  755.     vip_reload: true                  # reload vip after config?
  756.     # vip_address: 127.0.0.1          # virtual ip address ip (l2 or l4)
  757.     # vip_cidrmask: 24                # virtual ip address cidr mask (l2 only)
  758.     # vip_interface: eth0             # virtual ip network interface (l2 only)
  759.     # dns_mode: vip                   # vip|all|selector: how to resolve cluster DNS?
  760.     # dns_selector: '[]'              # if dns_mode == vip, filter instances been resolved
  763.     #================================================================#
  764.     #                         VARS: REDIS                            #
  765.     #================================================================#
  766.     # REDIS are not enabled by default
  768.     #-----------------------------------------------------------------
  769.     # REDIS_IDENTITY
  770.     #-----------------------------------------------------------------
  771.     #redis_cluster: redis-test        # name of this redis cluster @ cluster level
  772.     #redis_node: 1                    # redis node identifier, integer sequence @ node level
  773.     #redis_instances: {}              # redis instances definition of this redis node @ node level
  775.     #-----------------------------------------------------------------
  776.     # REDIS_NODE
  777.     #-----------------------------------------------------------------
  778.     redis_fs_main: /data              # main fs mountpoint for redis data
  779.     redis_exporter_enabled: true      # install redis exporter on redis nodes?
  780.     redis_exporter_port: 9121         # default port for redis exporter
  781.     redis_exporter_options: ''        # default cli args for redis exporter
  783.     #-----------------------------------------------------------------
  784.     # REDIS_PROVISION
  785.     #-----------------------------------------------------------------
  786.     redis_safeguard: false            # force redis_clean = abort if true
  787.     redis_clean: true                 # abort|skip|clean if redis server already exists
  788.     redis_rmdata: true                # remove redis data when purging redis server?
  789.     redis_mode: standalone            # standalone,cluster,sentinel
  790.     redis_conf: redis.conf            # config template path (except sentinel)
  791.     redis_bind_address: '0.0.0.0'     # bind address, empty string turns to inventory_hostname
  792.     redis_max_memory: 1GB             # max memory used by each redis instance
  793.     redis_mem_policy: allkeys-lru     # memory eviction policy
  794.     redis_password: ''                # masterauth & requirepass password, disable by empty string
  795.     redis_rdb_save: ['1200 1']        # redis rdb save directives, disable with empty list
  796.     redis_aof_enabled: false          # redis aof enabled
  797.     redis_rename_commands: {}         # rename dangerous commands
  798.     redis_cluster_replicas: 1         # how many replicas for a master in redis cluster ?
  800. ...

Last modified 2022-06-20: add timescaledb (3c335f4)