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149
vars/patroni.yaml
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149
vars/patroni.yaml
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# pgbouncer configuration
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pgbouncer_client_tls_key_file: "/etc/patroni/ssl/cert.key"
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pgbouncer_client_tls_cert_file: "/etc/patroni/ssl/cert.crt"
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pgbouncer_systemd_user: "postgres"
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pgbouncer_systemd_group: "postgres"
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pgbouncer_postgresql_major_version: "{{ patroni_postgresql_major_version }}"
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pgbouncer_postgresql_superuser_username: "{{ patroni_superuser_username }}"
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pgbouncer_postgresql_superuser_password: "{{ patroni_superuser_password }}"
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pgbouncer_auth_hba_file: "{{ patroni_postgresql_data_dir }}/pg_hba.conf"
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# HAProxy configuration
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haproxy_listen_port:
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master: 5000
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replicas: 5001
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replicas_sync: 5002
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replicas_async: 5003
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stats: 9000
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haproxy_maxconn:
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global: 100000
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master: 10000
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replica: 10000
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haproxy_timeout:
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client: "60m"
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server: "60m"
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haproxy_config_override: |
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global
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maxconn {{ haproxy_maxconn.global }}
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log /dev/log local0
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log /dev/log local1 notice
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chroot /var/lib/haproxy
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stats socket /var/lib/haproxy/stats mode 660 level admin expose-fd listeners
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stats timeout 30s
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user haproxy
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group haproxy
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daemon
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defaults
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mode tcp
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log global
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retries 2
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timeout queue 5s
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timeout connect 5s
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timeout client {{ haproxy_timeout.client }}
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timeout server {{ haproxy_timeout.server }}
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timeout check 15s
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listen stats
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mode http
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bind *:{{ haproxy_listen_port.stats }}
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stats enable
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stats uri /
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listen master
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bind *:{{ haproxy_listen_port.master }}
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maxconn {{ haproxy_maxconn.master }}
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option tcplog
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option httpchk OPTIONS /master
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http-check expect status 200
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default-server inter 3s fastinter 1s fall 3 rise 4 on-marked-down shutdown-sessions
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{% for server in groups.patroni %}
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server {{ server }} {{ server }}:{{ pgbouncer_listen_port }} check port {{ patroni_restapi_listen_port }} check-ssl verify none
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{% endfor %}
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listen replicas
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bind *:{{ haproxy_listen_port.replicas }}
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maxconn {{ haproxy_maxconn.replica }}
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option tcplog
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option httpchk OPTIONS /replica
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balance roundrobin
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http-check expect status 200
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default-server inter 3s fastinter 1s fall 3 rise 2 on-marked-down shutdown-sessions
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{% for server in groups.patroni %}
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server {{ server }} {{ server }}:{{ pgbouncer_listen_port }} check port {{ patroni_restapi_listen_port }} check-ssl verify none
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{% endfor %}
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listen replicas_sync
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bind *:{{ haproxy_listen_port.replicas_sync }}
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maxconn {{ haproxy_maxconn.replica }}
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option tcplog
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option httpchk OPTIONS /sync
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balance roundrobin
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http-check expect status 200
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default-server inter 3s fastinter 1s fall 3 rise 2 on-marked-down shutdown-sessions
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{% for server in groups.patroni %}
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server {{ server }} {{ server }}:{{ pgbouncer_listen_port }} check port {{ patroni_restapi_listen_port }} check-ssl verify none
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{% endfor %}
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listen replicas_async
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bind *:{{ haproxy_listen_port.replicas_async }}
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maxconn {{ haproxy_maxconn.replica }}
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option tcplog
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option httpchk OPTIONS /async
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balance roundrobin
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http-check expect status 200
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default-server inter 3s fastinter 1s fall 3 rise 2 on-marked-down shutdown-sessions
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{% for server in groups.patroni %}
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server {{ server }} {{ server }}:{{ pgbouncer_listen_port }} check port {{ patroni_restapi_listen_port }} check-ssl verify none
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{% endfor %}
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keepalived_config_override: |
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global_defs {
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router_id {{ patroni_cluster_name }}
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}
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vrrp_track_process haproxy {
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process haproxy
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quorum 1
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delay 2
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}
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vrrp_instance VRRP_1 {
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state MASTER
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virtual_router_id {{ keepalived_vip.split('.')[-1][-3:] }}
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priority {{ ansible_default_ipv4.address.split('.')[-1][-3:] }}
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interface {{ ansible_default_ipv4.interface }}
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unicast_src_ip {{ ansible_default_ipv4.address }}
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unicast_peer {
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{% for peer in groups.patroni %}
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{{ peer if peer != ansible_default_ipv4.address }}
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{% endfor %}
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}
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virtual_ipaddress {
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{{ keepalived_vip }}/32 dev {{ ansible_default_ipv4.interface }}
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}
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track_process {
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haproxy
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}
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}
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# Backup and restore options
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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 ~ ' --config ' ~ wal_g_pg_home_dir ~ '/' ~ wal_g_config_name ~ ' wal-push %p' if patroni_wal_g_install else '' }}"
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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 ~ ' --config ' ~ wal_g_pg_home_dir ~ '/' ~ wal_g_config_name ~ ' wal-fetch %f %p' if patroni_wal_g_install else '' }}"
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patroni_cluster_bootstrap_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 ~ ' --config ' ~ wal_g_pg_home_dir ~ '/' ~ wal_g_restore_config_name ~ ' backup-fetch ' ~ patroni_postgresql_data_dir ~ ' ' ~ patroni_wal_g_restore_backup_name }}"
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# "restore_command" written to recovery.conf when configuring follower (create replica)
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patroni_cluster_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 ~ ' --config ' ~ wal_g_pg_home_dir ~ '/' ~ wal_g_restore_config_name ~ ' wal-fetch %f %p' if patroni_wal_g_restore_from_backup else '' }}"
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patroni_wal_g_create_replica_methods:
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- {option: "command", value: "{{ patroni_cluster_bootstrap_command }}"}
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- {option: "no_params", value: "True"}
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patroni_basebackup_create_replica_methods:
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- {option: "max-rate", value: "1000M"}
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- {option: "checkpoint", value: "fast"}
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# WAL-G options
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wal_g_pg: "{{ patroni_wal_g_install }}"
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wal_g_pg_binary_name: "wal-g-pg"
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wal_g_config_name: ".walg.json"
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wal_g_restore_config_name: ".walg-restore.json"
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wal_g_pg_home_dir: "{{ patroni_postgresql_home_dir }}"
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wal_g_pg_data_dir: "{{ patroni_postgresql_home_dir }}/{{ patroni_postgresql_major_version }}/{{ patroni_postgresql_cluster_name }}"
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wal_g_pg_major_version: "{{ patroni_postgresql_major_version }}"
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