X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_mysql.c;h=ce190621d60f507cbcccf59eb39490ba6b721639;hb=25d1ee331dbe4977a4a1a756c67f32bd51d9b070;hp=5863e1a764a5195a362ea55485e457f4bcfd53af;hpb=fa002886e390f5cc603021e422be3c319a1040ea;p=nagiosplug.git

diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index 5863e1a..ce19062 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -1,47 +1,65 @@
-/******************************************************************************
-*
-* 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) 1999-2009 Nagios Plugins Development Team
 * 
-* $Id$
-*
 * 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/>.
+* 
+* 
+*****************************************************************************/
 
 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_socket = 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)
 {
@@ -49,24 +67,30 @@ 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)
+	/* Parse extra opts if any */
+	argv=np_extra_opts (&argc, argv, progname);
+
+	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_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,db_socket,0)) {
 		if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
 			die (STATE_WARNING, "%s\n", mysql_error (&mysql));
 		else if (mysql_errno (&mysql) == CR_VERSION_ERROR)
@@ -97,26 +121,35 @@ main (int argc, char **argv)
 	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);
@@ -125,12 +158,61 @@ main (int argc, char **argv)
 
 		} 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], seconds_behind_field!=-1?row[seconds_behind_field]:"Unknown");
+			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 */
@@ -151,20 +233,24 @@ main (int argc, char **argv)
 }
 
 
-
 /* 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[] = {
 		{"hostname", required_argument, 0, 'H'},
+		{"socket", required_argument, 0, 's'},
 		{"database", required_argument, 0, 'd'},
 		{"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'},
@@ -176,7 +262,7 @@ process_arguments (int argc, char **argv)
 		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:s:c:w:", longopts, &option);
 
 		if (c == -1 || c == EOF)
 			break;
@@ -190,14 +276,23 @@ process_arguments (int argc, char **argv)
 				usage2 (_("Invalid hostname/address"), optarg);
 			}
 			break;
-		case 'd':									/* hostname */
+		case 's':									/* socket */
+			db_socket = optarg;
+			break;
+		case 'd':									/* database */
 			db = optarg;
 			break;
 		case 'u':									/* username */
 			db_user = optarg;
 			break;
 		case 'p':									/* authentication information: password */
-			db_pass = optarg;
+			db_pass = strdup(optarg);
+
+			/* Delete the password from process list */
+			while (*optarg != '\0') {
+				*optarg = 'X';
+				optarg++;
+			}
 			break;
 		case 'P':									/* critical time threshold */
 			db_port = atoi (optarg);
@@ -205,35 +300,44 @@ process_arguments (int argc, char **argv)
 		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);
+			print_revision (progname, NP_VERSION);
 			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)
+		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++]);
@@ -245,7 +349,6 @@ process_arguments (int argc, char **argv)
 }
 
 
-
 int
 validate_arguments (void)
 {
@@ -255,9 +358,6 @@ validate_arguments (void)
 	if (db_host == NULL)
 		db_host = strdup("");
 
-	if (db_pass == NULL)
-		db_pass == strdup("");
-
 	if (db == NULL)
 		db = strdup("");
 
@@ -265,51 +365,68 @@ validate_arguments (void)
 }
 
 
-
 void
 print_help (void)
 {
 	char *myport;
 	asprintf (&myport, "%d", MYSQL_PORT);
 
-	print_revision (progname, revision);
+	print_revision (progname, NP_VERSION);
 
 	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"));
 
-	print_usage ();
-
-	printf (_(UT_HELP_VRSN));
-
-	printf (_(UT_HOST_PORT), 'P', myport);
+  printf ("\n\n");
 
-	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);
+	print_usage ();
 
-	printf (_(UT_SUPPORT));
+  printf (UT_HELP_VRSN);
+	printf (UT_EXTRA_OPTS);
+
+  printf (UT_HOST_PORT, 'P', myport);
+  printf (" %s\n", "-s, --socket=STRING");
+  printf ("    %s\n", _("Use the specified socket (has no effect if -H is used)"));
+
+  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 could 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"));
+  printf ("    %s\n", _("behind master"));
+  printf (" %s\n", "-c, --critical");
+  printf ("    %s\n", _("Exit with CRITICAL status if slave server is more then INTEGER seconds"));
+  printf ("    %s\n", _("behind master"));
+
+  printf ("\n");
+  printf (" %s\n", _("There are no required arguments. By default, the local database is checked"));
+  printf (" %s\n", _("using the default unix socket. You can force TCP on localhost by using an"));
+  printf (" %s\n", _("IP address or FQDN ('localhost' will use the socket as well)."));
+
+#ifdef NP_EXTRA_OPTS
+	printf ("\n");
+	printf ("%s\n", _("Notes:"));
+	printf (UT_EXTRA_OPTS_NOTES);
+	printf ("\n");
+	printf (" %s\n", _("You must specify -p with an empty string to force an empty password,"));
+	printf (" %s\n", _("overriding any my.cnf settings."));
+#endif
+
+	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] [-s socket]\n",progname);
+  printf ("       [-u user] [-p password] [-S]\n");
 }