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first alpha version for syslog support

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This commit is contained in:
Gabriele Bartolini
2010-12-29 01:23:15 +01:00
committed by Greg Smith
parent 1787cf1c21
commit 2c1eafd7a9
9 changed files with 409 additions and 107 deletions
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45
repmgrd.c
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@@ -27,23 +27,25 @@
#include <unistd.h>
#include "repmgr.h"
#include "config.h"
#include "log.h"
#include "libpq/pqsignal.h"
/* Local info */
configuration_options local_options;
int myLocalMode = STANDBY_MODE;
PGconn *myLocalConn;
/* Primary info */
int primaryId;
char primaryConninfo[MAXLEN];
configuration_options primary_options;
PGconn *primaryConn;
char sqlquery[8192];
const char *progname;
char *config_file = NULL;
char *config_file = CONFIG_FILE;
bool verbose = false;
// should initialize with {0} to be ANSI complaint ? but this raises error with gcc -Wall
@@ -130,24 +132,19 @@ main(int argc, char **argv)
setup_cancel_handler();
if (config_file == NULL)
{
config_file = malloc(5 + sizeof(CONFIG_FILE));
sprintf(config_file, "./%s", CONFIG_FILE);
}
/*
* Read the configuration file: repmgr.conf
*/
parse_config(config_file, &config);
if (config.node == -1)
parse_config(config_file, &local_options);
if (local_options.node == -1)
{
fprintf(stderr, "Node information is missing. "
"Check the configuration file.\n");
exit(1);
}
logger_init(progname, local_options.loglevel, local_options.logfacility);
myLocalConn = establishDBConnection(config.conninfo, true);
myLocalConn = establishDBConnection(local_options.conninfo, true);
/* should be v9 or better */
pg_version(myLocalConn, standby_version);
@@ -165,20 +162,20 @@ main(int argc, char **argv)
myLocalMode = is_standby(myLocalConn) ? STANDBY_MODE : PRIMARY_MODE;
if (myLocalMode == PRIMARY_MODE)
{
primaryId = config.node;
strcpy(primaryConninfo, config.conninfo);
primary_options.node = local_options.node;
strcpy(primary_options.conninfo, local_options.conninfo);
primaryConn = myLocalConn;
}
else
{
/* I need the id of the primary as well as a connection to it */
primaryConn = getMasterConnection(myLocalConn, config.node, config.cluster_name, &primaryId);
primaryConn = getMasterConnection(myLocalConn, local_options.node, local_options.cluster_name, &primary_options.node);
if (primaryConn == NULL)
exit(1);
}
checkClusterConfiguration();
checkNodeConfiguration(config.conninfo);
checkNodeConfiguration(local_options.conninfo);
if (myLocalMode == STANDBY_MODE)
{
MonitorCheck();
@@ -237,11 +234,11 @@ MonitorExecute(void)
"another node has been promoted.\n", progname);
for (connection_retries = 0; connection_retries < 6; connection_retries++)
{
primaryConn = getMasterConnection(myLocalConn, config.node, config.cluster_name, &primaryId);
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, primaryId);
fprintf(stderr, "\n%s: Connected to node %d, continue monitoring.\n", progname, primary_options.node);
break;
}
else
@@ -320,8 +317,8 @@ MonitorExecute(void)
"INSERT INTO repmgr_%s.repl_monitor "
"VALUES(%d, %d, '%s'::timestamp with time zone, "
" '%s', '%s', "
" %lld, %lld)", config.cluster_name,
primaryId, config.node, monitor_standby_timestamp,
" %lld, %lld)", local_options.cluster_name,
primary_options.node, local_options.node, monitor_standby_timestamp,
last_wal_primary_location,
last_wal_standby_received,
(lsn_primary - lsn_standby_received),
@@ -344,7 +341,7 @@ checkClusterConfiguration(void)
sprintf(sqlquery, "SELECT oid FROM pg_class "
" WHERE oid = 'repmgr_%s.repl_nodes'::regclass",
config.cluster_name);
local_options.cluster_name);
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
{
@@ -382,7 +379,7 @@ checkNodeConfiguration(char *conninfo)
*/
sprintf(sqlquery, "SELECT * FROM repmgr_%s.repl_nodes "
" WHERE id = %d AND cluster = '%s' ",
config.cluster_name, config.node, config.cluster_name);
local_options.cluster_name, local_options.node, local_options.cluster_name);
res = PQexec(myLocalConn, sqlquery);
if (PQresultStatus(res) != PGRES_TUPLES_OK)
@@ -404,7 +401,7 @@ checkNodeConfiguration(char *conninfo)
/* Adding the node */
sprintf(sqlquery, "INSERT INTO repmgr_%s.repl_nodes "
"VALUES (%d, '%s', '%s')",
config.cluster_name, config.node, config.cluster_name, conninfo);
local_options.cluster_name, local_options.node, local_options.cluster_name, local_options.conninfo);
if (!PQexec(primaryConn, sqlquery))
{
@@ -444,7 +441,7 @@ help(const char *progname)
printf(_(" --help show this help, then exit\n"));
printf(_(" --version output version information, then exit\n"));
printf(_(" --verbose output verbose activity information\n"));
printf(_(" -f, --config_file=PATH database to connect to\n"));
printf(_(" -f, --config_file=PATH configuration file\n"));
printf(_("\n%s monitors a cluster of servers.\n"), progname);
}