From 588d971791f5ff42c340d774c71ea1ba3a16b53e Mon Sep 17 00:00:00 2001
From: Alexander Meindl <a.meindl@alphanodes.com>
Date: Mon, 16 Dec 2024 13:58:19 +0100
Subject: [PATCH] use syslog as default logger

---
 roles/postgresql/defaults/main.yml       | 13 +++++++++++--
 roles/postgresql/templates/postgresql.j2 | 23 +++++++++++++++--------
 2 files changed, 26 insertions(+), 10 deletions(-)

diff --git a/roles/postgresql/defaults/main.yml b/roles/postgresql/defaults/main.yml
index 2cc3c9f..96de5b7 100644
--- a/roles/postgresql/defaults/main.yml
+++ b/roles/postgresql/defaults/main.yml
@@ -79,6 +79,10 @@ postgresql_wal_buffers: -1
 
 # see https://docs.timescale.com/self-hosted/latest/install/installation-linux/#install-and-configure-timescaledb-on-postgresql
 postgresql_with_timescaledb: false
+# see https://docs.timescale.com/self-hosted/latest/configuration/timescaledb-config/#timescaledblicense-string
+postgresql_timescaledb_license: timescale
+# see https://docs.timescale.com/self-hosted/latest/configuration/telemetry/#disabling-telemetry
+postgresql_timescaledb_telemetry_level: false
 
 # deb https://packagecloud.io/timescale/timescaledb/debian/ bookworm main
 postgresql_timescaledb_apt_url: https://packagecloud.io/timescale/timescaledb/{{ ansible_distribution | lower }}
@@ -111,9 +115,14 @@ postgresql_ssl_cert_file: '/etc/ssl/certs/ssl-cert-snakeoil.pem'
 postgresql_ssl_crl_file: ''
 postgresql_ssl_key_file: '/etc/ssl/private/ssl-cert-snakeoil.key'
 
-postgresql_log_destination: stderr
+postgresql_log_destination: syslog
+postgresql_syslog_facility: local0
+postgresql_syslog_ident: postgres
+postgresql_syslog_sequence_numbers: false
+postgresql_syslog_split_messages: false
+
 postgresql_log_statement: none
-postgresql_log_line_prefix_syslog: 'user=%u,db=%d,app=%aclient=%h '
+postgresql_log_line_prefix_syslog: 'user=%u,db=%d,client=%h,app=%a '
 postgresql_log_line_prefix_stderr: '%t [%p]: [%l-1] user=%u,db=%d,app=%a,client=%h '
 # disabled, if -1
 postgresql_log_min_duration_statement: 2000
diff --git a/roles/postgresql/templates/postgresql.j2 b/roles/postgresql/templates/postgresql.j2
index 51e70e8..02d5c31 100644
--- a/roles/postgresql/templates/postgresql.j2
+++ b/roles/postgresql/templates/postgresql.j2
@@ -484,20 +484,20 @@ log_destination = '{{ postgresql_log_destination }}'		# Valid values are combina
 					# or size-driven rotation.  Default is
 					# off, meaning append to existing files
 					# in all cases.
-{% if postgresql_log_destination == "syslog" %}
-
-# These are relevant when logging to syslog:
-syslog_facility = 'LOCAL0'
-syslog_ident = 'postgres'
-syslog_sequence_numbers = on
-syslog_split_messages = on
-{% endif %}
 
 # These are relevant when logging to syslog:
 #syslog_facility = 'LOCAL0'
 #syslog_ident = 'postgres'
 #syslog_sequence_numbers = on
 #syslog_split_messages = on
+{% if postgresql_log_destination == "syslog" %}
+
+# These are relevant when logging to syslog:
+syslog_facility = '{{ postgresql_syslog_facility }}'
+syslog_ident = {{ postgresql_syslog_ident }}
+syslog_sequence_numbers = {{ 'on' if postgresql_syslog_sequence_numbers else 'off' }}
+syslog_split_messages = {{ 'on' if postgresql_syslog_split_messages else 'off' }}
+{% endif %}
 
 # This is only relevant when logging to eventlog (Windows):
 # (change requires restart)
@@ -773,6 +773,13 @@ pg_stat_statements.track = {{ postgresql_pg_stat_statements_track }}
 {% endif %}
 #jit_provider = 'llvmjit'		# JIT library to use
 
+{% if postgresql_with_timescaledb %}
+# see https://docs.timescale.com/self-hosted/latest/configuration/timescaledb-config/#timescaledblicense-string
+timescaledb.license = '{{ postgresql_timescaledb_license }}'
+# see https://docs.timescale.com/self-hosted/latest/configuration/telemetry/#disabling-telemetry
+timescaledb.telemetry_level = {{ 'off' if not postgresql_timescaledb_telemetry_level else postgresql_timescaledb_telemetry_level }}
+{% endif %}
+
 # - Other Defaults -
 
 #dynamic_library_path = '$libdir'