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diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index a18397d81adfe9d43a9d9e96c61f8fd99b517fd1..30dce9d3e4c59e12bc5f96bcef3b28b0199adebd 100644 (file)
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
const char *progname = "check_mysql";
const char *revision = "$Revision$";
-const char *copyright = "1999-2002";
+const char *copyright = "1999-2004";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
+#define SLAVERESULTSIZE 40
+
#include "common.h"
#include "utils.h"
#include "netutils.h"
+
#include <mysql/mysql.h>
#include <mysql/errmsg.h>
+char *db_user = NULL;
+char *db_host = NULL;
+char *db_pass = NULL;
+char *db = NULL;
unsigned int db_port = MYSQL_PORT;
-
-void
-print_usage (void)
-{
- printf (_("\
-Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password]\n"),
- progname);
- printf (_(UT_HLP_VRS), progname, progname);
-}
-
-void
-print_help (void)
-{
- print_revision (progname, revision);
-
- printf (_(COPYRIGHT), copyright, email);
-
- printf (_("This program tests connections to a mysql server\n"));
-
- print_usage ();
-
- printf (_(UT_HELP_VRSN));
-
- printf (_(UT_HOST_PORT), 'P', atoi(MYSQL_PORT));
-
- 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"));
-
- 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 (_(UT_SUPPORT));
-}
-\f
-char *db_user = "";
-char *db_host = "";
-char *db_pass = "";
-char *db = "";
+int check_slave = 0;
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;
- char result[1024];
+ MYSQL_RES *res;
+ MYSQL_ROW row;
+
+ /* should be status */
+
+ char *result = NULL;
+ char slaveresult[SLAVERESULTSIZE];
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
- if (process_arguments (argc, argv) != OK)
- usage (_("Invalid command arguments supplied\n"));
+ if (process_arguments (argc, argv) != TRUE)
+ usage4 (_("Could not parse arguments"));
/* initialize mysql */
mysql_init (&mysql);
/* 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) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_WARNING;
-
- }
- else if (mysql_errno (&mysql) == CR_VERSION_ERROR) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_WARNING;
-
- }
- else if (mysql_errno (&mysql) == CR_OUT_OF_MEMORY) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_WARNING;
-
- }
- else if (mysql_errno (&mysql) == CR_IPSOCK_ERROR) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_WARNING;
-
- }
- else if (mysql_errno (&mysql) == CR_SOCKET_CREATE_ERROR) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_WARNING;
-
- }
- else {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_CRITICAL;
- }
-
+ if (!mysql_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,NULL,0)) {
+ if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
+ die (STATE_WARNING, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_VERSION_ERROR)
+ die (STATE_WARNING, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_OUT_OF_MEMORY)
+ die (STATE_WARNING, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_IPSOCK_ERROR)
+ die (STATE_WARNING, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_SOCKET_CREATE_ERROR)
+ die (STATE_WARNING, "%s\n", mysql_error (&mysql));
+ else
+ die (STATE_CRITICAL, "%s\n", mysql_error (&mysql));
}
/* get the server stats */
- sprintf (result, mysql_stat (&mysql));
+ result = strdup (mysql_stat (&mysql));
/* error checking once more */
if (mysql_error (&mysql)) {
+ if (mysql_errno (&mysql) == CR_SERVER_GONE_ERROR)
+ die (STATE_CRITICAL, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_SERVER_LOST)
+ die (STATE_CRITICAL, "%s\n", mysql_error (&mysql));
+ else if (mysql_errno (&mysql) == CR_UNKNOWN_ERROR)
+ die (STATE_CRITICAL, "%s\n", mysql_error (&mysql));
+ }
- if (mysql_errno (&mysql) == CR_SERVER_GONE_ERROR) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_CRITICAL;
+ if(check_slave) {
+ /* check the slave status */
+ if (mysql_query (&mysql, "show slave status") != 0) {
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "slave query error: %s\n", mysql_error (&mysql));
+ }
+ /* store the result */
+ if ( (res = mysql_store_result (&mysql)) == NULL) {
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "slave store_result error: %s\n", mysql_error (&mysql));
}
- else if (mysql_errno (&mysql) == CR_SERVER_LOST) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_CRITICAL;
+ /* fetch the first row */
+ if ( (row = mysql_fetch_row (res)) == NULL) {
+ mysql_free_result (res);
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "slave fetch row error: %s\n", mysql_error (&mysql));
}
- else if (mysql_errno (&mysql) == CR_UNKNOWN_ERROR) {
- printf ("%s\n", mysql_error (&mysql));
- return STATE_UNKNOWN;
+
+ if (mysql_field_count (&mysql) == 12) {
+ /* mysql 3.23.x */
+ snprintf (slaveresult, SLAVERESULTSIZE, "Slave running: %s", row[6]);
+ if (strcmp (row[6], "Yes") != 0) {
+ mysql_free_result (res);
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "%s\n", slaveresult);
+ }
+
+ } 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) {
+ mysql_free_result (res);
+ mysql_close (&mysql);
+ die (STATE_CRITICAL, "%s\n", slaveresult);
+ }
}
+ /* free the result */
+ mysql_free_result (res);
}
/* close the connection */
mysql_close (&mysql);
/* print out the result of stats */
- printf ("%s\n", result);
+ if (check_slave) {
+ printf ("%s %s\n", result, slaveresult);
+ } else {
+ printf ("%s\n", result);
+ }
return STATE_OK;
}
-
-
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
- int option_index = 0;
- static struct option long_options[] = {
+ int option = 0;
+ static struct option longopts[] = {
{"hostname", required_argument, 0, 'H'},
{"database", required_argument, 0, 'd'},
{"username", required_argument, 0, 'u'},
{"password", required_argument, 0, 'p'},
{"port", required_argument, 0, 'P'},
+ {"check-slave", no_argument, 0, 'S'},
{"verbose", no_argument, 0, 'v'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
return ERROR;
while (1) {
- c = getopt_long (argc, argv, "hVP:p:u:d:H:", long_options, &option_index);
+ c = getopt_long (argc, argv, "hVSP:p:u:d:H:", longopts, &option);
if (c == -1 || c == EOF)
break;
db_host = optarg;
}
else {
- usage (_("Invalid host name\n"));
+ usage2 (_("Invalid hostname/address"), optarg);
}
break;
case 'd': /* hostname */
case 'P': /* critical time threshold */
db_port = atoi (optarg);
break;
+ case 'S':
+ check_slave = 1; /* check-slave */
+ break;
case 'V': /* version */
print_revision (progname, revision);
exit (STATE_OK);
print_help ();
exit (STATE_OK);
case '?': /* help */
- usage (_("Invalid argument\n"));
+ printf (_("%s: Unknown argument: %s\n\n"), progname, optarg);
+ print_usage ();
+ exit (STATE_UNKNOWN);
}
}
db_host = argv[c++];
}
else {
- usage ("Invalid host name");
+ usage2 (_("Invalid hostname/address"), optarg);
}
else if (strlen(db_user) == 0)
db_user = argv[c++];
-
-
int
validate_arguments (void)
{
+ if (db_user == NULL)
+ db_user = strdup("");
+
+ if (db_host == NULL)
+ db_host = strdup("");
+
+ if (db_pass == NULL)
+ db_pass == strdup("");
+
+ if (db == NULL)
+ db = strdup("");
+
return OK;
}
+
+
+
+void
+print_help (void)
+{
+ char *myport;
+ asprintf (&myport, "%d", MYSQL_PORT);
+
+ print_revision (progname, revision);
+
+ printf (_(COPYRIGHT), copyright, email);
+
+ printf (_("This program tests connections to a mysql server\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 (_(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);
+}