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Write events of note to a log table

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This makes keeping track of events such as failovers
much easier. Note that this is for convenience and is
not a foolproof auditing log.

Sample output:

repmgr_db=# SELECT * from repmgr_test.repl_events ;
 node_id |          event           | successful |        event_timestamp        |                         details
---------+--------------------------+------------+-------------------------------+----------------------------------------------------------
       1 | master_register          | t          | 2015-03-06 14:14:08.196636+09 |
       2 | standby_clone            | t          | 2015-03-06 14:14:17.660768+09 | Backup method: pg_basebackup; --force: N
       2 | standby_register         | t          | 2015-03-06 14:14:18.762222+09 |
       4 | witness_create           | t          | 2015-03-06 14:14:22.072815+09 |
       3 | standby_clone            | t          | 2015-03-06 14:14:23.524673+09 | Backup method: pg_basebackup; --force: N
       3 | standby_register         | t          | 2015-03-06 14:14:24.620161+09 |
       2 | repmgrd_start            | t          | 2015-03-06 14:14:29.639096+09 |
       3 | repmgrd_start            | t          | 2015-03-06 14:14:29.641489+09 |
       4 | repmgrd_start            | t          | 2015-03-06 14:14:29.648002+09 |
       2 | standby_promote          | t          | 2015-03-06 14:15:01.956737+09 | Node 2 was successfully be promoted to master
       2 | repmgrd_failover_promote | t          | 2015-03-06 14:15:01.964771+09 | Node 2 promoted to master; old master 1 marked as failed
       3 | repmgrd_failover_follow  | t          | 2015-03-06 14:15:07.228493+09 | Node 3 now following new upstream node 2
(12 rows)
This commit is contained in:
Ian Barwick
2015-03-06 00:53:29 +09:00
parent 072c2d70ff
commit 491309f4ba
5 changed files with 466 additions and 64 deletions
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2
dbutils.h
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@@ -61,7 +61,7 @@ bool set_config_bool(PGconn *conn, const char *config_param, bool state);
bool copy_configuration(PGconn *masterconn, PGconn *witnessconn, char *cluster_name);
bool create_node_record(PGconn *conn, char *action, int node, char *type, int upstream_node, char *cluster_name, char *node_name, char *conninfo, int priority, char *slot_name);
bool delete_node_record(PGconn *conn, int node, char *action);
bool create_event_record(PGconn *conn, int node_id, char *event, bool successful, char *details);
#endif