From 12d424489ebbeb8b79a97efa5d97174776ec2511 Mon Sep 17 00:00:00 2001 From: Matthew Kent Date: Sun, 21 Nov 2004 05:24:57 +0000 Subject: Patch from Nathan Shafer to add replication slave check (1006777) git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@920 f882894a-f735-0410-b71e-b25c423dba1c diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c index d62bfc8..2c90e6d 100644 --- a/plugins/check_mysql.c +++ b/plugins/check_mysql.c @@ -19,6 +19,8 @@ const char *revision = "$Revision$"; const char *copyright = "1999-2002"; const char *email = "nagiosplug-devel@lists.sourceforge.net"; +#define SLAVERESULTSIZE 40 + #include "common.h" #include "utils.h" #include "netutils.h" @@ -30,6 +32,7 @@ char *db_host = NULL; char *db_pass = NULL; char *db = NULL; unsigned int db_port = MYSQL_PORT; +int check_slave = 0; int process_arguments (int, char **); int validate_arguments (void); @@ -41,7 +44,10 @@ main (int argc, char **argv) { MYSQL mysql; + MYSQL_RES *res; + MYSQL_ROW row; char *result = NULL; + char slaveresult[SLAVERESULTSIZE]; setlocale (LC_ALL, ""); bindtextdomain (PACKAGE, LOCALEDIR); @@ -82,11 +88,58 @@ main (int argc, char **argv) die (STATE_CRITICAL, "%s\n", mysql_error (&mysql)); } + 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)); + } + + /* 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)); + } + + 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; } @@ -108,6 +161,7 @@ process_arguments (int argc, char **argv) {"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'}, @@ -118,7 +172,7 @@ process_arguments (int argc, char **argv) return ERROR; while (1) { - c = getopt_long (argc, argv, "hVP:p:u:d:H:", longopts, &option); + c = getopt_long (argc, argv, "hVSP:p:u:d:H:", longopts, &option); if (c == -1 || c == EOF) break; @@ -144,6 +198,9 @@ process_arguments (int argc, char **argv) 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); @@ -234,7 +291,9 @@ print_help (void) -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")); + 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\ @@ -250,7 +309,7 @@ void print_usage (void) { printf (_("\ -Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password]\n"), +Usage: %s [-d database] [-H host] [-P port] [-u user] [-p password] [-S]\n"), progname); printf (_(UT_HLP_VRS), progname, progname); } -- cgit v0.10-9-g596f