[DPE-2641] patroni logs (#240)

* Patroni log tweaks

* Approximate minute rotation

* Patroni log location

* Log location

Author: dragomirp

templates/patroni.yml.j2

@@ -13,6 +13,10 @@ name: {{ member_name }}
 
 log:
   dir: {{ log_path }}
+  dateformat: "%Y-%m-%d %H:%M:%S %Z"
+  format: "%(asctime)s [%(process)d]: %(levelname)s: %(message)s "
+  file_num: 10080
+  file_size: 600
 
 restapi:
   listen: '{{ self_ip }}:8008'
@@ -80,7 +84,7 @@ bootstrap:
         log_statement_sample_rate: 1
         log_statement_stats: 'off'
         log_temp_files: 1
-        log_timezone: 'GMT'
+        log_timezone: 'UTC'
         log_truncate_on_rotation: 'on'
         logging_collector: 'on'
         wal_level: logical

tests/integration/ha_tests/helpers.py

@@ -778,7 +778,7 @@ async def reused_replica_storage(ops_test: OpsTest, unit_name) -> bool:
         ops_test,
         unit_name,
         "grep 'Database cluster state: in archive recovery' "
-        "/var/snap/charmed-postgresql/common/var/log/patroni/patroni.log",
+        "/var/snap/charmed-postgresql/common/var/log/patroni/patroni.log*",
     )
     return True
 
@@ -792,6 +792,6 @@ async def reused_full_cluster_recovery_storage(ops_test: OpsTest, unit_name) ->
         ops_test,
         unit_name,
         "grep -E 'Database cluster state: in archive recovery|Database cluster state: shut down' "
-        "/var/snap/charmed-postgresql/common/var/log/patroni/patroni.log",
+        "/var/snap/charmed-postgresql/common/var/log/patroni/patroni.log*",
     )
     return True