diff options
Diffstat (limited to 'plugins/check_mysql.c')
-rw-r--r-- | plugins/check_mysql.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c new file mode 100644 index 00000000..50836f91 --- /dev/null +++ b/plugins/check_mysql.c @@ -0,0 +1,297 @@ +/****************************************************************************** +* +* CHECK_MYSQL.C +* +* 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) +* +* $Id$ +* +* Description: +* +* This plugin is for testing a mysql server. +******************************************************************************/ + +#define PROGNAME "check_mysql" + +#include "common.h" +#include "utils.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; + +int process_arguments (int, char **); +int call_getopt (int, char **); +int validate_arguments (void); +int check_disk (int usp, int free_disk); +void print_help (void); +void print_usage (void); + +int +main (int argc, char **argv) +{ + + MYSQL mysql; + char result[1024]; + + if (process_arguments (argc, argv) != OK) + usage ("Invalid command arguments supplied\n"); + + /* 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; + } + + } + + /* get the server stats */ + sprintf (result, mysql_stat (&mysql)); + + /* error checking once more */ + if (mysql_error (&mysql)) { + + if (mysql_errno (&mysql) == CR_SERVER_GONE_ERROR) { + printf ("%s\n", mysql_error (&mysql)); + return STATE_CRITICAL; + + } + else if (mysql_errno (&mysql) == CR_SERVER_LOST) { + printf ("%s\n", mysql_error (&mysql)); + return STATE_CRITICAL; + + } + else if (mysql_errno (&mysql) == CR_UNKNOWN_ERROR) { + printf ("%s\n", mysql_error (&mysql)); + return STATE_UNKNOWN; + } + + } + + /* close the connection */ + mysql_close (&mysql); + + /* print out the result of stats */ + printf ("%s\n", result); + + return STATE_OK; +} + + + + + +/* process command-line arguments */ +int +process_arguments (int argc, char **argv) +{ + int c; + + if (argc < 1) + return ERROR; + + c = 0; + while ((c += (call_getopt (argc - c, &argv[c]))) < argc) { + + if (is_option (argv[c])) + continue; + + if (db_host == NULL) + if (is_host (argv[c])) { + db_host = argv[c]; + } + else { + usage ("Invalid host name"); + } + else if (db_user == NULL) + db_user = argv[c]; + else if (db_pass == NULL) + db_pass = argv[c]; + else if (db == NULL) + db = argv[c]; + else if (is_intnonneg (argv[c])) + db_port = atoi (argv[c]); + } + + if (db_host == NULL) + db_host = strscpy (db_host, "127.0.0.1"); + + return validate_arguments (); +} + + + + + + +int +call_getopt (int argc, char **argv) +{ + int c, i = 0; + +#ifdef HAVE_GETOPT_H + int option_index = 0; + static struct option long_options[] = { + {"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'}, + {"verbose", no_argument, 0, 'v'}, + {"version", no_argument, 0, 'V'}, + {"help", no_argument, 0, 'h'}, + {0, 0, 0, 0} + }; +#endif + + while (1) { +#ifdef HAVE_GETOPT_H + c = + getopt_long (argc, argv, "+hVP:p:u:d:H:", long_options, &option_index); +#else + c = getopt (argc, argv, "+?hVP:p:u:d:H:"); +#endif + + i++; + + if (c == -1 || c == EOF || c == 1) + break; + + switch (c) { + case 'P': + case 'p': + case 'u': + case 'd': + case 'H': + i++; + } + + switch (c) { + case 'H': /* hostname */ + if (is_host (optarg)) { + db_host = optarg; + } + else { + usage ("Invalid host name\n"); + } + break; + case 'd': /* hostname */ + db = optarg; + break; + case 'u': /* username */ + db_user = optarg; + break; + case 'p': /* authentication information: password */ + db_pass = optarg; + break; + case 'P': /* critical time threshold */ + db_port = atoi (optarg); + break; + case 'V': /* version */ + print_revision (my_basename (argv[0]), "$Revision$"); + exit (STATE_OK); + case 'h': /* help */ + print_help (); + exit (STATE_OK); + case '?': /* help */ + usage ("Invalid argument\n"); + } + } + return i; +} + + + + + +int +validate_arguments (void) +{ + return OK; +} + + + + + +void +print_help (void) +{ + print_revision (PROGNAME, "$Revision$"); + printf + ("Copyright (c) 2000 Didi Rieder/Karl DeBisschop\n\n" + "This plugin is for testing a mysql server.\n"); + print_usage (); + printf + ("\nThere are no required arguments. By default, the local database with\n" + "a server listening on MySQL standard port %d will be checked\n\n" + "Options:\n" + " -d, --database=STRING\n" + " Check database with indicated name\n" + " -H, --hostname=STRING or IPADDRESS\n" + " Check server on the indicated host\n" + " -P, --port=INTEGER\n" + " Make connection on the indicated port\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" + " -h, --help\n" + " Print detailed help screen\n" + " -V, --version\n" " Print version information\n\n", MYSQL_PORT); + support (); +} + + + + + +void +print_usage (void) +{ + printf + ("Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password]\n" + " %s --help\n" + " %s --version\n", PROGNAME, PROGNAME, PROGNAME); +} |