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repmgrd: in BDR mode, have each repmgrd monitor each node

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This will cover both the case when an entire node including
repmgrd goes down, and when one PostgreSQL instance goes down
but repmgrd is still up (in which case only one of the repmgrds
will handle the failover).
This commit is contained in:
Ian Barwick
2017-07-14 15:01:18 +09:00
parent e3b3fb65f0
commit 951c7dbd07
9 changed files with 211 additions and 89 deletions
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21
repmgrd-physical.c
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@@ -47,7 +47,6 @@ static PGconn *primary_conn = NULL;
static ElectionResult do_election(void);
static const char *_print_voting_status(NodeVotingStatus voting_status);
static const char *_print_election_result(ElectionResult result);
static const char *_print_monitoring_state(MonitoringState monitoring_state);
static FailoverState promote_self(void);
static void notify_followers(NodeInfoList *standby_nodes, int follow_node_id);
@@ -315,7 +314,7 @@ monitor_streaming_primary(void)
log_info(_("monitoring primary node \"%s\" (node ID: %i) in %s state"),
local_node_info.node_name,
local_node_info.node_id,
_print_monitoring_state(monitoring_state));
print_monitoring_state(monitoring_state));
if (monitoring_state == MS_DEGRADED)
{
@@ -617,7 +616,7 @@ monitor_streaming_standby(void)
local_node_info.node_id,
upstream_node_info.node_name,
upstream_node_info.node_id,
_print_monitoring_state(monitoring_state));
print_monitoring_state(monitoring_state));
if (monitoring_state == MS_DEGRADED)
{
@@ -1459,22 +1458,6 @@ _print_election_result(ElectionResult result)
return "UNKNOWN";
}
static const char *
_print_monitoring_state(MonitoringState monitoring_state)
{
switch(monitoring_state)
{
case MS_NORMAL:
return "normal";
case MS_DEGRADED:
return "degraded";
}
/* should never reach here */
return "UNKNOWN";
}
static ElectionResult