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diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index 3194ecede85b73f7ef572d06467848d066772e16..ad15a77c96c47824a6883e2490a23fd13c90fb24 100644 (file)
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
-/******************************************************************************
-*
-* CHECK_MYSQL.C
-*
-* Program: Mysql plugin for Nagios
+/*****************************************************************************
+*
+* Nagios check_mysql plugin
+*
* License: GPL
* Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)
-* portions (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
+* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
+* Copyright (c) 1999-2007 Nagios Plugins Development Team
*
-* $Id$
+* Last Modified: $Date$
*
* Description:
-*
-* This plugin is for testing a mysql server.
-******************************************************************************/
+*
+* This file contains the check_mysql plugin
+*
+* This program tests connections to a mysql server
+*
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
+* $Id$
+*
+*****************************************************************************/
const char *progname = "check_mysql";
const char *revision = "$Revision$";
-const char *copyright = "1999-2004";
+const char *copyright = "1999-2007";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
-#define SLAVERESULTSIZE 40
+#define SLAVERESULTSIZE 70
#include "common.h"
#include "utils.h"
+#include "utils_base.h"
#include "netutils.h"
-#include <mysql/mysql.h>
-#include <mysql/errmsg.h>
+#include <mysql.h>
+#include <errmsg.h>
char *db_user = NULL;
char *db_host = NULL;
char *db_pass = NULL;
char *db = NULL;
unsigned int db_port = MYSQL_PORT;
-int check_slave = 0;
+int check_slave = 0, warn_sec = 0, crit_sec = 0;
+int verbose = 0;
+
+thresholds *my_threshold = NULL;
int process_arguments (int, char **);
int validate_arguments (void);
void print_help (void);
void print_usage (void);
-
-
int
main (int argc, char **argv)
{
/* should be status */
char *result = NULL;
+ char *error = NULL;
char slaveresult[SLAVERESULTSIZE];
setlocale (LC_ALL, "");
if(check_slave) {
/* check the slave status */
if (mysql_query (&mysql, "show slave status") != 0) {
+ error = strdup(mysql_error(&mysql));
mysql_close (&mysql);
- die (STATE_CRITICAL, _("slave query error: %s\n"), mysql_error (&mysql));
+ die (STATE_CRITICAL, _("slave query error: %s\n"), error);
}
/* store the result */
if ( (res = mysql_store_result (&mysql)) == NULL) {
+ error = strdup(mysql_error(&mysql));
mysql_close (&mysql);
- die (STATE_CRITICAL, _("slave store_result error: %s\n"), mysql_error (&mysql));
+ die (STATE_CRITICAL, _("slave store_result error: %s\n"), error);
+ }
+
+ /* Check there is some data */
+ if (mysql_num_rows(res) == 0) {
+ mysql_close(&mysql);
+ die (STATE_WARNING, "%s\n", _("No slaves defined"));
}
/* fetch the first row */
if ( (row = mysql_fetch_row (res)) == NULL) {
+ error = strdup(mysql_error(&mysql));
mysql_free_result (res);
mysql_close (&mysql);
- die (STATE_CRITICAL, _("slave fetch row error: %s\n"), mysql_error (&mysql));
+ die (STATE_CRITICAL, _("slave fetch row error: %s\n"), error);
}
if (mysql_field_count (&mysql) == 12) {
} else {
/* mysql 4.x.x */
- int slave_io_field = -1 , slave_sql_field = -1, i, num_fields;
+ int slave_io_field = -1 , slave_sql_field = -1, seconds_behind_field = -1, i, num_fields;
MYSQL_FIELD* fields;
num_fields = mysql_num_fields(res);
fields = mysql_fetch_fields(res);
- for(i = 0; i < num_fields; i++)
- {
- if (0 == strcmp(fields[i].name, "Slave_IO_Running"))
- {
+ for(i = 0; i < num_fields; i++) {
+ if (strcmp(fields[i].name, "Slave_IO_Running") == 0) {
slave_io_field = i;
continue;
}
- if (0 == strcmp(fields[i].name, "Slave_SQL_Running"))
- {
+ if (strcmp(fields[i].name, "Slave_SQL_Running") == 0) {
slave_sql_field = i;
continue;
}
+ if (strcmp(fields[i].name, "Seconds_Behind_Master") == 0) {
+ seconds_behind_field = i;
+ continue;
+ }
}
- if ((slave_io_field < 0) || (slave_sql_field < 0) || (num_fields == 0))
- {
+ if ((slave_io_field < 0) || (slave_sql_field < 0) || (num_fields == 0)) {
mysql_free_result (res);
mysql_close (&mysql);
die (STATE_CRITICAL, "Slave status unavailable\n");
}
-
- snprintf (slaveresult, SLAVERESULTSIZE, "Slave IO: %s Slave SQL: %s", row[slave_io_field], row[slave_sql_field]);
+
+ snprintf (slaveresult, SLAVERESULTSIZE, "Slave IO: %s Slave SQL: %s Seconds Behind Master: %s", row[slave_io_field], row[slave_sql_field], row[seconds_behind_field]);
if (strcmp (row[slave_io_field], "Yes") != 0 || strcmp (row[slave_sql_field], "Yes") != 0) {
mysql_free_result (res);
mysql_close (&mysql);
die (STATE_CRITICAL, "%s\n", slaveresult);
}
+
+ if (verbose >=3) {
+ if (seconds_behind_field == -1) {
+ printf("seconds_behind_field not found\n");
+ } else {
+ printf ("seconds_behind_field(index %d)=%s\n", seconds_behind_field, row[seconds_behind_field]);
+ }
+ }
+
+ if ((seconds_behind_field != -1) && (strcmp (row[seconds_behind_field], "NULL") != 0)) {
+ double value = atof(row[seconds_behind_field]);
+ int status;
+
+ status = get_status(value, my_threshold);
+
+ if (status == STATE_WARNING) {
+ printf("SLOW_SLAVE %s: %s\n", _("WARNING"), slaveresult);
+ exit(STATE_WARNING);
+ } else if (status == STATE_CRITICAL) {
+ printf("SLOW_SLAVE %s: %s\n", _("CRITICAL"), slaveresult);
+ exit(STATE_CRITICAL);
+ }
+ }
}
/* free the result */
process_arguments (int argc, char **argv)
{
int c;
+ char *warning = NULL;
+ char *critical = NULL;
int option = 0;
static struct option longopts[] = {
{"username", required_argument, 0, 'u'},
{"password", required_argument, 0, 'p'},
{"port", required_argument, 0, 'P'},
+ {"critical", required_argument, 0, 'c'},
+ {"warning", required_argument, 0, 'w'},
{"check-slave", no_argument, 0, 'S'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
return ERROR;
while (1) {
- c = getopt_long (argc, argv, "hVSP:p:u:d:H:", longopts, &option);
+ c = getopt_long (argc, argv, "hvVSP:p:u:d:H:c:w:", longopts, &option);
if (c == -1 || c == EOF)
break;
case 'S':
check_slave = 1; /* check-slave */
break;
+ case 'w':
+ warning = optarg;
+ break;
+ case 'c':
+ critical = optarg;
+ break;
case 'V': /* version */
print_revision (progname, revision);
exit (STATE_OK);
case 'h': /* help */
print_help ();
exit (STATE_OK);
+ case 'v':
+ verbose++;
+ break;
case '?': /* help */
- usage2 (_("Unknown argument"), optarg);
+ usage5 ();
}
}
c = optind;
+ set_thresholds(&my_threshold, warning, critical);
+
while ( argc > c ) {
- if (strlen(db_host) == 0)
+ if (db_host == NULL)
if (is_host (argv[c])) {
db_host = argv[c++];
}
else {
- usage2 (_("Invalid hostname/address"), optarg);
+ usage2 (_("Invalid hostname/address"), argv[c]);
}
- else if (strlen(db_user) == 0)
+ else if (db_user == NULL)
db_user = argv[c++];
- else if (strlen(db_pass) == 0)
+ else if (db_pass == NULL)
db_pass = argv[c++];
- else if (strlen(db) == 0)
+ else if (db == NULL)
db = argv[c++];
else if (is_intnonneg (argv[c]))
db_port = atoi (argv[c++]);
printf (_(COPYRIGHT), copyright, email);
- printf (_("This program tests connections to a mysql server\n"));
+ printf ("%s\n", _("This program tests connections to a mysql server"));
+ printf ("\n\n");
+
print_usage ();
printf (_(UT_HELP_VRSN));
printf (_(UT_HOST_PORT), 'P', myport);
- printf (_("\
- -d, --database=STRING\n\
- Check database with indicated name\n\
- -u, --username=STRING\n\
- Connect using the indicated username\n\
- -p, --password=STRING\n\
- Use the indicated password to authenticate the connection\n\
- ==> IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!! <==\n\
- Your clear-text password will be visible as a process table entry\n\
- -S, --check-slave\n\
- Check if the slave thread is running properly.\n"));
-
- printf (_("\n\
-There are no required arguments. By default, the local database with\n\
-a server listening on MySQL standard port %d will be checked\n"), MYSQL_PORT);
+ printf (" %s\n", "-d, --database=STRING");
+ printf (" %s\n", _("Check database with indicated name"));
+ printf (" %s\n", "-u, --username=STRING");
+ printf (" %s\n", _("Connect using the indicated username"));
+ printf (" %s\n", "-p, --password=STRING");
+ printf (" %s\n", _("Use the indicated password to authenticate the connection"));
+ printf (" %s\n", _("==> IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!! <=="));
+ printf (" %s\n", _("Your clear-text password will be visible as a process table entry"));
+ printf (" %s\n", "-S, --check-slave");
+ printf (" %s\n", _("Check if the slave thread is running properly."));
+ printf (" %s\n", "-w, --warning");
+ printf (" %s\n", _("Exit with WARNING status if slave server is more than INTEGER seconds behind master"));
+ printf (" %s\n", "-c, --critical");
+ printf (" %s\n", _("Exit with CRITICAL status if slave server is more then INTEGER seconds behind master"));
+ printf (" %s\n", _("There are no required arguments. By default, the local database with"));
+ printf (_("a server listening on MySQL standard port %d will be checked\n"), MYSQL_PORT);
printf (_(UT_SUPPORT));
}
void
print_usage (void)
{
- printf ("\
-Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n",
- progname);
+ printf (_("Usage:"));
+ printf ("%s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n",progname);
}