ansible-galaxy/patroni
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add restore support

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ace
2023-07-21 17:13:51 +03:00
parent 11d311a96a
commit 4759d93a91
12 changed files with 77 additions and 41 deletions
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defaults/main.yaml
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@ -23,7 +23,8 @@ patroni_replication_password: "replicator"
# Patroni REST API options
patroni_restapi_username: "admin"
patroni_restapi_password: "admin"
patroni_restapi_listen_port: 8008
patroni_restapi_listen_port: "8008"
patroni_restapi_listen_address: "0.0.0.0"
# Patroni SSL options
patroni_ssl: false
@ -36,21 +37,30 @@ patroni_play_group: "patroni"
patroni_dcs_exists: false
patroni_dcs_type: "consul"
## Backup and restore options
## WAL-G backup and restore options
patroni_wal_g_install: false
patroni_wal_g_restore_from_backup: false
patroni_wal_g_pitr: 'latest'
patroni_wal_g_restore_backup_name: 'LATEST'
patroni_wal_g_pg_binary_name: 'wal-g-pg'
patroni_postgresql_archive_mode: "{{ 'on' if patroni_wal_g_install else 'off' }}"
patroni_postgresql_archive_command: "{{ 'http_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ 'https_proxy=' ~ wal_g_https_proxy ~ ' ' if wal_g_https_proxy is defined else 'https_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ wal_g_pg_binary_name ~ ' wal-push %p' if patroni_wal_g_install else '' }}"
patroni_wal_g_config_name: ".walg.json"
patroni_wal_g_restore_config_name: ".walg-restore.json"
patroni_restore_script: "{{ patroni_postgresql_home_dir }}/restore.sh"
#patroni_postgresql_archive_command: "wal-g wal-push %p"
#patroni_postgresql_restore_command: "wal-g wal-fetch %f %p"
#patroni_cluster_bootstrap_command: "wal-g backup-fetch latest"
## "restore_command" written to recovery.conf when configuring follower (create replica)
#patroni_cluster_restore_command: "wal-g wal-fetch %f %p"
#patroni_wal_g_create_replica_methods:
# - {option: "command", value: "{{ patroni_cluster_bootstrap_command }}"}
# - {option: "no_params", value: "True"}
#patroni_basebackup_create_replica_methods:
# - {option: "max-rate", value: "1000M"}
# - {option: "checkpoint", value: "fast"}
patroni_wal_g_create_replica_methods:
- {option: "command", value: "{{ 'http_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ 'https_proxy=' ~ wal_g_https_proxy ~ ' ' if wal_g_https_proxy is defined else 'https_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ wal_g_pg_binary_name }} backup-fetch {{ patroni_postgresql_data_dir }} LATEST"}
- {option: "no_params", value: "True"}
patroni_basebackup_create_replica_methods:
- {option: "max-rate", value: "1000M"}
- {option: "checkpoint", value: "fast"}
# "restore_command" written to recovery.conf when configuring follower (create replica)
patroni_postgresql_restore_command: "{{ 'http_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ 'https_proxy=' ~ wal_g_https_proxy ~ ' ' if wal_g_https_proxy is defined else 'https_proxy=' ~ wal_g_http_proxy ~ ' ' if wal_g_http_proxy is defined else '' }}{{ wal_g_pg_binary_name ~ ' wal-fetch %f %p' if patroni_wal_g_install else '' }}"
# More examples
# patroni_postgresql_restore_command: "pgbackrest --stanza={{ pgbackrest_stanza }} archive-get %f %p" # restore WAL-s using pgbackrest
# patroni_postgresql_restore_command: "pg_probackup-{{ pg_probackup_version }} archive-get -B {{ pg_probackup_dir }} --instance {{ pg_probackup_instance }} --wal-file-path=%p --wal-file-name=%f" # restore WAL-s using pg_probackup
patroni_synchronous_mode: false # or 'true' for enable synchronous database replication
patroni_synchronous_mode_strict: false # if 'true' then block all client writes to the master, when a synchronous replica is not available
@ -94,11 +104,11 @@ patroni_postgresql_backup_parameters:
parameters:
archive_command: "{{ patroni_postgresql_archive_command if patroni_wal_g_install else 'cd .' }}"
restore_command: "{{ patroni_postgresql_restore_command if patroni_wal_g_install else 'cd .' }}"
archive_mode: "on"
archive_timeout: "1800s"
# postgresql parameters to bootstrap dcs (are parameters for example)
patroni_postgresql_default_parameters:
archive_mode: "on"
archive_timeout: "1800s"
max_connections: "1000"
superuser_reserved_connections: "5"
password_encryption: "{{ patroni_postgresql_password_encryption_algorithm }}"