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196 lines
7.0 KiB
YAML
196 lines
7.0 KiB
YAML
# Patroni common options
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patroni_version: "3.0.1"
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patroni_install_official_repo: true
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# Patroni cluster options
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patroni_cluster_name: "patroni-cluster"
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patroni_namespace: "/service/"
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# Patroni PostgreSQL common options
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patroni_postgresql_version: "15.3"
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patroni_postgresql_install_repo: true
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patroni_postgresql_system_locale: "en_US.UTF-8"
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patroni_postgresql_system_language: "{{ patroni_postgresql_system_locale }}"
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# Patroni superuser auth
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patroni_superuser_username: "postgres"
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patroni_superuser_password: "postgres"
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# Patroni replication auth
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patroni_replication_username: "replicator"
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patroni_replication_password: "replicator"
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# Patroni REST API options
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patroni_restapi_username: "admin"
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patroni_restapi_password: "admin"
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patroni_restapi_listen_port: 8008
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# Patroni SSL options
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patroni_ssl: false
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patroni_ssl_path: "/etc/patroni/ssl"
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patroni_self_signed_cert: false
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patroni_self_signed_cert_name: "cert"
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patroni_play_group: "patroni"
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## DCS options. Consul or Etcd
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patroni_dcs_exists: false
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patroni_dcs_type: "consul"
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## Backup options
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patroni_wal_g_install: false
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patroni_synchronous_mode: false # or 'true' for enable synchronous database replication
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patroni_synchronous_mode_strict: false # if 'true' then block all client writes to the master, when a synchronous replica is not available
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patroni_synchronous_node_count: 2 # number of synchronous standby databases
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patroni_postgresql_port: "5432"
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patroni_postgresql_encoding: "UTF8" # for bootstrap only (initdb)
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patroni_postgresql_locale: "en_US.UTF-8" # for bootstrap only (initdb)
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patroni_postgresql_data_checksums: true # for bootstrap only (initdb)
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patroni_postgresql_password_encryption_algorithm: "scram-sha-256"
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patroni_postgresql_unix_socket_dir: "/var/run/postgresql"
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patroni_postgresql_stats_temp_directory_path: "/var/lib/pgsql_stats_tmp"
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patroni_postgresql_use_pg_rewind: true # or 'false'
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# try to use pg_rewind on the former leader when it joins cluster as a replica.
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patroni_remove_data_directory_on_rewind_failure: false # or 'true' (if use_pg_rewind: 'true')
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# avoid removing the data directory on an unsuccessful rewind
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# if 'true', Patroni will remove the PostgreSQL data directory and recreate the replica.
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patroni_remove_data_directory_on_diverged_timelines: false # or 'true'
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# if 'true', Patroni will remove the PostgreSQL data directory and recreate the replica
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# if it notices that timelines are diverging and the former master can not start streaming from the new master.
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# https://patroni.readthedocs.io/en/latest/replica_bootstrap.html#bootstrap
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patroni_cluster_bootstrap_method: "initdb" # or "wal-g", "pgbackrest", "pg_probackup"
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# https://patroni.readthedocs.io/en/latest/replica_bootstrap.html#building-replicas
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patroni_create_replica_methods:
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# - pgbackrest
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# - wal_g
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# - pg_probackup
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- basebackup
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# Dynamic configuration
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patroni_postgresql_dynamic_parameters: {}
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# postgresql parameters to bootstrap dcs (are parameters for example)
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patroni_postgresql_default_parameters:
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max_connections: "1000"
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superuser_reserved_connections: "5"
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password_encryption: "{{ patroni_postgresql_password_encryption_algorithm }}"
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max_locks_per_transaction: "64"
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max_prepared_transactions: "0"
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huge_pages: "try"
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shared_buffers: "{{ (ansible_memory_mb.real.total * 0.25) | round | int }}MB"
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max_worker_processes: "{{ ansible_processor_vcpus }}"
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max_parallel_workers: "{{ ansible_processor_vcpus }}"
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max_parallel_workers_per_gather: "{{ (ansible_processor_vcpus / 2) | round | int }}"
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max_parallel_maintenance_workers: "{{ (ansible_processor_vcpus / 2) | round | int }}"
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work_mem: "128MB"
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maintenance_work_mem: "256MB"
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effective_cache_size: "4GB"
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checkpoint_timeout: "15min"
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checkpoint_completion_target: "0.9"
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min_wal_size: "2GB"
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max_wal_size: "8GB"
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wal_buffers: "32MB"
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default_statistics_target: "1000"
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seq_page_cost: "1"
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random_page_cost: "4"
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effective_io_concurrency: "2"
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synchronous_commit: "on"
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autovacuum: "on"
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autovacuum_max_workers: "5"
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autovacuum_vacuum_scale_factor: "0.01"
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autovacuum_analyze_scale_factor: "0.01"
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autovacuum_vacuum_cost_limit: "500"
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autovacuum_vacuum_cost_delay: "2"
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autovacuum_naptime: "1s"
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max_files_per_process: "4096"
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archive_mode: "on"
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archive_timeout: "1800s"
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archive_command: "cd ."
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wal_level: "replica"
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wal_keep_size: "2GB"
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max_wal_senders: "10"
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max_replication_slots: "10"
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hot_standby: "on"
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wal_log_hints: "on"
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wal_compression: "on"
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shared_preload_libraries: "pg_stat_statements,auto_explain"
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pg_stat_statements.max: "10000"
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pg_stat_statements.track: "all"
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pg_stat_statements.track_utility: "false"
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pg_stat_statements.save: "true"
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auto_explain.log_min_duration: "10s"
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auto_explain.log_analyze: "true"
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auto_explain.log_buffers: "true"
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auto_explain.log_timing: "false"
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auto_explain.log_triggers: "true"
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auto_explain.log_verbose: "true"
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auto_explain.log_nested_statements: "true"
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track_io_timing: "on"
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log_lock_waits: "on"
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log_temp_files: "0"
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track_activities: "on"
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track_counts: "on"
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track_functions: "all"
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log_checkpoints: "on"
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logging_collector: "on"
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log_truncate_on_rotation: "on"
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log_rotation_age: "1d"
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log_rotation_size: "0"
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log_filename: "'postgresql-%a.log'"
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log_line_prefix: "'%t [%p-%l] %r %q%u@%d '"
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log_directory: "{{ patroni_postgresql_log_dir }}"
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hot_standby_feedback: "on"
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max_standby_streaming_delay: "30s"
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wal_receiver_status_interval: "10s"
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idle_in_transaction_session_timeout: "10min"
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jit: "off"
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# archive_command: 'wal-g wal-push %p'
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# archive_command: 'pgbackrest --stanza={{ pgbackrest_stanza }} archive-push %p'
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# max_worker_processes: '24'
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# max_parallel_workers: '12'
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# max_parallel_workers_per_gather: '2'
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# max_parallel_maintenance_workers: '2'
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# old_snapshot_threshold: '60min'
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# list of lines that Patroni will use to generate pg_ident.conf
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patroni_postgresql_pg_ident: []
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# - {mapname: "main", system_username: "postgres", pg_username: "backup"}
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# - {mapname: "", system_username: "", pg_username: ""}
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# Extended variables (optional)
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patroni_ttl: 30
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patroni_loop_wait: 10
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patroni_retry_timeout: 10
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patroni_maximum_lag_on_failover: 1048576
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patroni_master_start_timeout: 300
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# https://patroni.readthedocs.io/en/latest/replica_bootstrap.html#standby-cluster
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patroni_standby_cluster:
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host: "" # an address of remote master
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port: "5432" # a port of remote master
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# primary_slot_name: "" # which slot on the remote master to use for replication (optional)
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# restore_command: "" # command to restore WAL records from the remote master to standby leader (optional)
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# recovery_min_apply_delay: "" # how long to wait before actually apply WAL records on a standby leader (optional)
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patroni_log_destination: stderr # or 'logfile'
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# if patroni_log_destination: logfile
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patroni_log_dir: /var/log/patroni
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patroni_log_level: info
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patroni_log_traceback_level: error
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patroni_log_format: "%(asctime)s %(levelname)s: %(message)s"
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patroni_log_dateformat: ""
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patroni_log_max_queue_size: 1000
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patroni_log_file_num: 4
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patroni_log_file_size: 25000000 # bytes
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patroni_log_loggers_patroni_postmaster: warning
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patroni_log_loggers_urllib3: warning # or 'debug'
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