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diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index f55630b2c38d1a772ce406f84af5e0e4cd08f72a..573ec96a8a4aecd6b266063f389cf0ba57f2fa39 100644 (file)
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
/******************************************************************************
*
-* CHECK_MYSQL.C
+* Nagios check_mysql plugin
*
-* Program: Mysql plugin for Nagios
* License: GPL
-* Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)
-* portions (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
-*
-* $Id$
+* Copyright (c) 1999 Didi Rieder (adrieder@sbox.tu-graz.ac.at)
+* Copyright (c) 1999-2006 nagios-plugins team
+* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
+*
+* 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
+*
+*
+* License Information:
+*
+* 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 2 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, write to the Free Software
+* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*
+* $Id$
+*
******************************************************************************/
const char *progname = "check_mysql";
const char *revision = "$Revision$";
-const char *copyright = "1999-2002";
+const char *copyright = "1999-2006";
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)
{
MYSQL mysql;
MYSQL_RES *res;
MYSQL_ROW row;
+
+ /* should be status */
+
char *result = NULL;
+ char *error = NULL;
char slaveresult[SLAVERESULTSIZE];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
- if (process_arguments (argc, argv) != TRUE)
+ if (process_arguments (argc, argv) == ERROR)
usage4 (_("Could not parse arguments"));
/* initialize mysql */
mysql_init (&mysql);
+ mysql_options(&mysql,MYSQL_READ_DEFAULT_GROUP,"client");
+
/* establish a connection to the server and error checking */
if (!mysql_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,NULL,0)) {
if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
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) {
/* mysql 3.23.x */
- snprintf (slaveresult, SLAVERESULTSIZE, "Slave running: %s", row[6]);
+ snprintf (slaveresult, SLAVERESULTSIZE, _("Slave running: %s"), row[6]);
if (strcmp (row[6], "Yes") != 0) {
mysql_free_result (res);
mysql_close (&mysql);
} else {
/* mysql 4.x.x */
- snprintf (slaveresult, SLAVERESULTSIZE, "Slave IO: %s Slave SQL: %s", row[9], row[10]);
- if (strcmp (row[9], "Yes") != 0 || strcmp (row[10], "Yes") != 0) {
+ 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 (strcmp(fields[i].name, "Slave_IO_Running") == 0) {
+ slave_io_field = i;
+ continue;
+ }
+ 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)) {
+ mysql_free_result (res);
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "Slave status unavailable\n");
+ }
+
+ 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 command-line arguments */
int
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 */
- printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
}
}
c = optind;
+ set_thresholds(&my_threshold, warning, critical);
+
while ( argc > c ) {
if (strlen(db_host) == 0)
}
-
int
validate_arguments (void)
{
}
-
void
print_help (void)
{
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 then 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 (_(UT_HLP_VRS), progname, progname);
+ printf (_("Usage:"));
+ printf ("%s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n",progname);
}