diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/Makefile.am | 3 | ||||
| -rw-r--r-- | plugins/check_cluster.c | 232 |
2 files changed, 234 insertions, 1 deletions
diff --git a/plugins/Makefile.am b/plugins/Makefile.am index 7ee29103..3909dc5c 100644 --- a/plugins/Makefile.am +++ b/plugins/Makefile.am @@ -13,7 +13,7 @@ MATHLIBS = @MATHLIBS@ # This is not portable. Run ". tools/devmode" to get development compile flags #AM_CFLAGS = -Wall -libexec_PROGRAMS = check_apt check_disk check_dummy check_http check_load \ +libexec_PROGRAMS = check_apt check_cluster check_disk check_dummy check_http check_load \ check_mrtg check_mrtgtraf check_ntp check_nwstat check_overcr check_ping \ check_real check_smtp check_ssh check_tcp check_time \ check_ups check_users negate \ @@ -90,6 +90,7 @@ negate_LDADD = $(BASEOBJS) popen.o urlize_LDADD = $(BASEOBJS) popen.o check_apt_DEPENDENCIES = check_apt.c $(BASEOBJS) runcmd.o $(DEPLIBS) +check_cluster_DEPENDENCIES = check_cluster.c $(DEPLIBS) check_dig_DEPENDENCIES = check_dig.c $(NETOBJS) runcmd.o $(DEPLIBS) check_disk_DEPENDENCIES = check_disk.c $(BASEOBJS) popen.o $(DEPLIBS) check_dns_DEPENDENCIES = check_dns.c $(NETOBJS) runcmd.o $(DEPLIBS) diff --git a/plugins/check_cluster.c b/plugins/check_cluster.c new file mode 100644 index 00000000..e60948d6 --- /dev/null +++ b/plugins/check_cluster.c @@ -0,0 +1,232 @@ +/***************************************************************************** + * + * CHECK_CLUSTER2.C - Host and Service Cluster Plugin for Nagios 2.x + * + * Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org) + * License: GPL + * Last Modified: 03-11-2004 + * + * License: + * + * 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. + * + *****************************************************************************/ + + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <getopt.h> + +#define OK 0 +#define ERROR -1 + +#define TRUE 1 +#define FALSE 0 + +#define CHECK_SERVICES 1 +#define CHECK_HOSTS 2 + +#define MAX_INPUT_BUFFER 1024 + +#define STATE_OK 0 +#define STATE_WARNING 1 +#define STATE_CRITICAL 2 +#define STATE_UNKNOWN 3 + +int total_services_ok=0; +int total_services_warning=0; +int total_services_unknown=0; +int total_services_critical=0; + +int total_hosts_up=0; +int total_hosts_down=0; +int total_hosts_unreachable=0; + +int warning_threshold=1; +int critical_threshold=1; + +int check_type=CHECK_SERVICES; + +char *data_vals=NULL; +char *label=NULL; + + +int process_arguments(int,char **); + + + +int main(int argc, char **argv){ + char input_buffer[MAX_INPUT_BUFFER]; + char *ptr; + int data_val; + int return_code=STATE_OK; + int error=FALSE; + + if(process_arguments(argc,argv)==ERROR){ + + printf("Invalid arguments supplied\n"); + printf("\n"); + + printf("Host/Service Cluster Plugin for Nagios 2\n"); + printf("Copyright (c) 2000-2004 Ethan Galstad (nagios@nagios.org)\n"); + printf("Last Modified: 03-11-2004\n"); + printf("License: GPL\n"); + printf("\n"); + printf("Usage: %s (-s | -h) [-l label] [-w threshold] [-c threshold] [-d val1,val2,...,valn]\n",argv[0]); + printf("\n"); + printf("Options:\n"); + printf(" -s, --service = Check service cluster status\n"); + printf(" -h, --host = Check host cluster status\n"); + printf(" -l, --label = Optional prepended text output (i.e. \"Host cluster\")\n"); + printf(" -w, --warning = Specifies the number of hosts or services in cluster that must be in\n"); + printf(" a non-OK state in order to return a WARNING status level\n"); + printf(" -c, --critical = Specifies the number of hosts or services in cluster that must be in\n"); + printf(" a non-OK state in order to return a CRITICAL status level\n"); + printf(" -d, --data = The status codes of the hosts or services in the cluster, separated\n"); + printf(" by commas\n"); + printf("\n"); + + return STATE_UNKNOWN; + } + + /* check the data values */ + for(ptr=strtok(data_vals,",");ptr!=NULL;ptr=strtok(NULL,",")){ + + data_val=atoi(ptr); + + if(check_type==CHECK_SERVICES){ + switch(data_val){ + case 0: + total_services_ok++; + break; + case 1: + total_services_warning++; + break; + case 2: + total_services_critical++; + break; + case 3: + total_services_unknown++; + break; + default: + break; + } + } + else{ + switch(data_val){ + case 0: + total_hosts_up++; + break; + case 1: + total_hosts_down++; + break; + case 2: + total_hosts_unreachable++; + break; + default: + break; + } + } + } + + + /* return the status of the cluster */ + if(check_type==CHECK_SERVICES){ + if((total_services_warning+total_services_unknown+total_services_critical) >= critical_threshold) + return_code=STATE_CRITICAL; + else if((total_services_warning+total_services_unknown+total_services_critical) >= warning_threshold) + return_code=STATE_WARNING; + else + return_code=STATE_OK; + printf("%s %s: %d ok, %d warning, %d unknown, %d critical\n",(label==NULL)?"Service cluster":label,(return_code==STATE_OK)?"ok":"problem",total_services_ok,total_services_warning,total_services_unknown,total_services_critical); + } + else{ + if((total_hosts_down+total_hosts_unreachable) >= critical_threshold) + return_code=STATE_CRITICAL; + else if((total_hosts_down+total_hosts_unreachable) >= warning_threshold) + return_code=STATE_WARNING; + else + return_code=STATE_OK; + printf("%s %s: %d up, %d down, %d unreachable\n",(label==NULL)?"Host cluster":label,(return_code==STATE_OK)?"ok":"problem",total_hosts_up,total_hosts_down,total_hosts_unreachable); + } + + return return_code; + } + + + +int process_arguments(int argc, char **argv){ + int c; + int option=0; + static struct option longopts[]={ + {"data", required_argument,0,'d'}, + {"warning", required_argument,0,'w'}, + {"critical", required_argument,0,'c'}, + {"label", required_argument,0,'l'}, + {"host", no_argument, 0,'h'}, + {"service", no_argument, 0,'s'}, + {0,0,0,0} + }; + + /* no options were supplied */ + if(argc<2) + return ERROR; + + while(1){ + + c=getopt_long(argc,argv,"hsw:c:d:l:",longopts,&option); + + if(c==-1 || c==EOF || c==1) + break; + + switch(c){ + + case 'h': /* host cluster */ + check_type=CHECK_HOSTS; + break; + + case 's': /* service cluster */ + check_type=CHECK_SERVICES; + break; + + case 'w': /* warning threshold */ + warning_threshold=atoi(optarg); + break; + + case 'c': /* warning threshold */ + critical_threshold=atoi(optarg); + break; + + case 'd': /* data values */ + data_vals=(char *)strdup(optarg); + break; + + case 'l': /* text label */ + label=(char *)strdup(optarg); + break; + + default: + return ERROR; + break; + } + } + + if(data_vals==NULL) + return ERROR; + + return OK; + } |