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Added new log system to both repmgr and repmgrd. Needs cleaning, but it is a good starting point

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This commit is contained in:
Gabriele Bartolini
2010-12-29 18:08:40 +01:00
committed by Greg Smith
parent 2c1eafd7a9
commit f6a6632169
3 changed files with 127 additions and 99 deletions
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55
repmgrd.c
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@@ -51,7 +51,8 @@ bool verbose = false;
// should initialize with {0} to be ANSI complaint ? but this raises error with gcc -Wall
repmgr_config config = {};
static void help(const char *progname);
static void help(const char* progname);
static void usage(void);
static void checkClusterConfiguration(void);
static void checkNodeConfiguration(char *conninfo);
static void CancelQuery(void);
@@ -125,7 +126,7 @@ main(int argc, char **argv)
verbose = true;
break;
default:
fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
usage();
exit(1);
}
}
@@ -138,7 +139,7 @@ main(int argc, char **argv)
parse_config(config_file, &local_options);
if (local_options.node == -1)
{
fprintf(stderr, "Node information is missing. "
log_err("Node information is missing. "
"Check the configuration file.\n");
exit(1);
}
@@ -151,7 +152,7 @@ main(int argc, char **argv)
if (strcmp(standby_version, "") == 0)
{
PQfinish(myLocalConn);
fprintf(stderr, _("%s needs standby to be PostgreSQL 9.0 or better\n"), progname);
log_err(_("%s needs standby to be PostgreSQL 9.0 or better\n"), progname);
exit(1);
}
@@ -183,6 +184,9 @@ main(int argc, char **argv)
/* close the connection to the database and cleanup */
CloseConnections();
/* Shuts down logging system */
logger_shutdown();
return 0;
}
@@ -216,7 +220,7 @@ MonitorExecute(void)
{
if (PQstatus(primaryConn) != CONNECTION_OK)
{
fprintf(stderr, "\n%s: Connection to master has been lost, trying to recover...\n", progname);
log_warning(_("Connection to master has been lost, trying to recover..."));
/* wait 20 seconds between retries */
sleep(20);
@@ -224,26 +228,25 @@ MonitorExecute(void)
}
else
{
fprintf(stderr, "\n%s: Connection to master has been restored, continue monitoring.\n", progname);
log_notice(_("Connection to master has been restored, continue monitoring."));
break;
}
}
if (PQstatus(primaryConn) != CONNECTION_OK)
{
fprintf(stderr, "\n%s: We couldn't reconnect to master, checking if "
"another node has been promoted.\n", progname);
log_err(_("We couldn't reconnect to master. Now checking if another node has been promoted."));
for (connection_retries = 0; connection_retries < 6; connection_retries++)
{
primaryConn = getMasterConnection(myLocalConn, local_options.node, local_options.cluster_name, &primary_options.node);
if (PQstatus(primaryConn) == CONNECTION_OK)
{
/* Connected, we can continue the process so break the loop */
fprintf(stderr, "\n%s: Connected to node %d, continue monitoring.\n", progname, primary_options.node);
log_err(_("Connected to node %d, continue monitoring."), primary_options.node);
break;
}
else
{
fprintf(stderr, "\n%s: We haven't found a new master, waiting before retry...\n", progname);
log_err(_("We haven't found a new master, waiting before retry..."));
/* wait 5 minutes before retries, after 6 failures (30 minutes) we stop trying */
sleep(300);
}
@@ -251,15 +254,14 @@ MonitorExecute(void)
}
if (PQstatus(primaryConn) != CONNECTION_OK)
{
fprintf(stderr, "\n%s: We couldn't reconnect for long enough, exiting...\n", progname);
log_err(_("We couldn't reconnect for long enough, exiting..."));
exit(1);
}
/* Check if we still are a standby, we could have been promoted */
if (!is_standby(myLocalConn))
{
fprintf(stderr, "\n%s: seems like we have been promoted, so exit from monitoring...\n",
progname);
log_err(_("It seems like we have been promoted, so exit from monitoring..."));
CloseConnections();
exit(1);
}
@@ -280,7 +282,7 @@ MonitorExecute(void)
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
log_err("PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
/* if there is any error just let it be and retry in next loop */
return;
@@ -297,7 +299,7 @@ MonitorExecute(void)
res = PQexec(primaryConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(primaryConn));
log_err("PQexec failed: %s\n", PQerrorMessage(primaryConn));
PQclear(res);
return;
}
@@ -329,7 +331,7 @@ MonitorExecute(void)
* will check the result next time we pause for a monitor step.
*/
if (PQsendQuery(primaryConn, sqlquery) == 0)
fprintf(stderr, "Query could not be sent to primary. %s\n",
log_warning("Query could not be sent to primary. %s\n",
PQerrorMessage(primaryConn));
}
@@ -345,7 +347,7 @@ checkClusterConfiguration(void)
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
log_err("PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -359,7 +361,7 @@ checkClusterConfiguration(void)
*/
if (PQntuples(res) == 0)
{
fprintf(stderr, "The replication cluster is not configured\n");
log_err("The replication cluster is not configured\n");
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -384,7 +386,7 @@ checkNodeConfiguration(char *conninfo)
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
fprintf(stderr, "PQexec failed: %s\n", PQerrorMessage(myLocalConn));
log_err("PQexec failed: %s\n", PQerrorMessage(myLocalConn));
PQclear(res);
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -405,7 +407,7 @@ checkNodeConfiguration(char *conninfo)
if (!PQexec(primaryConn, sqlquery))
{
fprintf(stderr, "Cannot insert node details, %s\n",
log_err("Cannot insert node details, %s\n",
PQerrorMessage(primaryConn));
PQfinish(myLocalConn);
PQfinish(primaryConn);
@@ -424,15 +426,20 @@ walLocationToBytes(char *wal_location)
if (sscanf(wal_location, "%X/%X", &xlogid, &xrecoff) != 2)
{
fprintf(stderr, "wrong log location format: %s\n", wal_location);
log_err("wrong log location format: %s\n", wal_location);
return 0;
}
return ((xlogid * 16 * 1024 * 1024 * 255) + xrecoff);
}
static void
help(const char *progname)
void usage(void)
{
log_err(_("\n\n%s: Replicator manager daemon \n"), progname);
log_err(_("Try \"%s --help\" for more information.\n"), progname);
}
void help(const char *progname)
{
printf(_("\n%s: Replicator manager daemon \n"), progname);
printf(_("Usage:\n"));
@@ -471,7 +478,7 @@ CancelQuery(void)
pgcancel = PQgetCancel(primaryConn);
if (!pgcancel || PQcancel(pgcancel, errbuf, 256) == 0)
fprintf(stderr, "Can't stop current query: %s", errbuf);
log_warning("Can't stop current query: %s", errbuf);
PQfreeCancel(pgcancel);
}