From: Karl DeBisschop Date: Wed, 20 Nov 2002 11:56:11 +0000 (+0000) Subject: add switch to evaluate each swap individually X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=4b2e85d372262652cbd2cd37a701e7abddb3fa00;p=nagiosplug.git add switch to evaluate each swap individually git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@219 f882894a-f735-0410-b71e-b25c423dba1c --- diff --git a/plugins/check_swap.c b/plugins/check_swap.c index da18ccb..968779d 100644 --- a/plugins/check_swap.c +++ b/plugins/check_swap.c @@ -1,33 +1,58 @@ /****************************************************************************** -* -* CHECK_SWAP.C -* -* Program: Process plugin for Nagios -* License: GPL -* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net) -* -* $Id$ -* -******************************************************************************/ + * + * Program: Swap space plugin for Nagios + * License: GPL + * + * License Information: + * + * 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. + * + * Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net) + * + * $Id$ + * + *****************************************************************************/ #include "common.h" #include "popen.h" #include "utils.h" #define PROGNAME "check_swap" +#define REVISION "$Revision$" +#define COPYRIGHT "2000-2002" +#define AUTHOR "Karl DeBisschop" +#define EMAIL "kdebisschop@users.sourceforge.net" +#define SUMMARY "Check swap space on local server.\n" int process_arguments (int argc, char **argv); int validate_arguments (void); void print_usage (void); void print_help (void); -int warn_percent = 200, crit_percent = 200, warn_size = -1, crit_size = -1; +int warn_percent = 200; +int crit_percent = 200; +int warn_size = -1; +int crit_size = -1; +int verbose; +int allswaps; int main (int argc, char **argv) { int total_swap = 0, used_swap = 0, free_swap = 0, percent_used; - int total, used, free; + int total, used, free, percent; int result = STATE_OK; char input_buffer[MAX_INPUT_BUFFER]; #ifdef HAVE_SWAP @@ -48,17 +73,25 @@ main (int argc, char **argv) while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) { if (sscanf (input_buffer, " %s %d %d %d", str, &total, &used, &free) == 4 && strstr (str, "Swap")) { -/* asprintf (&status, "%s [%d/%d]", status, used, total); */ total_swap += total; used_swap += used; free_swap += free; + if (allswaps) { + percent = 100 * (((float) used) / ((float) total)); + if (percent >= crit_percent || free <= crit_size) + result = max_state (STATE_CRITICAL, result); + else if (percent >= warn_percent || free <= warn_size) + result = max_state (STATE_WARNING, result); + if (verbose) + asprintf (&status, "%s [%d/%d]", status, used, total); + } } } percent_used = 100 * (((float) used_swap) / ((float) total_swap)); if (percent_used >= crit_percent || free_swap <= crit_size) - result = STATE_CRITICAL; + result = max_state (STATE_CRITICAL, result); else if (percent_used >= warn_percent || free_swap <= warn_size) - result = STATE_WARNING; + result = max_state (STATE_WARNING, result); asprintf (&status, "%s %2d%% (%d out of %d)", status, percent_used, used_swap, total_swap); fclose (fp); @@ -94,29 +127,37 @@ main (int argc, char **argv) while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) { sscanf (input_buffer, SWAP_FORMAT, &total, &free); used = total - free; -/* asprintf (&status, "%s [%d/%d]", status, used, total); */ total_swap += total; used_swap += used; free_swap += free; + if (allswaps) { + percent = 100 * (((float) used) / ((float) total)); + if (percent >= crit_percent || free <= crit_size) + result = max_state (STATE_CRITICAL, result); + else if (percent >= warn_percent || free <= warn_size) + result = max_state (STATE_WARNING, result); + if (verbose) + asprintf (&status, "%s [%d/%d]", status, used, total); + } } percent_used = 100 * ((float) used_swap) / ((float) total_swap); asprintf (&status, "%s %2d%% (%d out of %d)", status, percent_used, used_swap, total_swap); if (percent_used >= crit_percent || free_swap <= crit_size) - result = STATE_CRITICAL; + result = max_state (STATE_CRITICAL, result); else if (percent_used >= warn_percent || free_swap <= warn_size) - result = STATE_WARNING; + result = max_state (STATE_WARNING, result); /* If we get anything on STDERR, at least set warning */ while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) - result = max (result, STATE_WARNING); + result = max_state (result, STATE_WARNING); /* close stderr */ (void) fclose (child_stderr); /* close the pipe */ if (spclose (child_process)) - result = max (result, STATE_WARNING); + result = max_state (result, STATE_WARNING); #endif #endif @@ -152,13 +193,16 @@ main (int argc, char **argv) int process_arguments (int argc, char **argv) { - int c, i = 0; + int c = 0; /* option character */ + int wc = 0; /* warning counter */ + int cc = 0; /* critical counter */ #ifdef HAVE_GETOPT_H int option_index = 0; static struct option long_options[] = { {"warning", required_argument, 0, 'w'}, {"critical", required_argument, 0, 'c'}, + {"all", no_argument, 0, 'a'}, {"verbose", no_argument, 0, 'v'}, {"version", no_argument, 0, 'V'}, {"help", no_argument, 0, 'h'}, @@ -171,9 +215,9 @@ process_arguments (int argc, char **argv) while (1) { #ifdef HAVE_GETOPT_H - c = getopt_long (argc, argv, "+?Vhc:w:", long_options, &option_index); + c = getopt_long (argc, argv, "+?Vvhac:w:", long_options, &option_index); #else - c = getopt (argc, argv, "+?Vhc:w:"); + c = getopt (argc, argv, "+?Vvhac:w:"); #endif if (c == -1 || c == EOF) @@ -197,6 +241,7 @@ process_arguments (int argc, char **argv) else { usage ("Warning threshold must be integer or percentage!\n"); } + wc++; case 'c': /* critical time threshold */ if (is_intnonneg (optarg)) { crit_size = atoi (optarg); @@ -214,6 +259,13 @@ process_arguments (int argc, char **argv) else { usage ("Critical threshold must be integer or percentage!\n"); } + cc++; + case 'a': /* verbose */ + allswaps = TRUE; + break; + case 'v': /* verbose */ + verbose = TRUE; + break; case 'V': /* version */ print_revision (my_basename (argv[0]), "$Revision$"); exit (STATE_OK); @@ -279,9 +331,12 @@ void print_usage (void) { printf - ("Usage: check_swap -w %% -c %%\n" - " check_swap -w -c \n" - " check_swap (-V|--version)\n" " check_swap (-h|--help)\n"); + ("Usage:\n" + " %s [-a] -w %% -c %%\n" + " %s [-a] -w -c \n" + " %s (-h | --help) for detailed help\n" + " %s (-V | --version) for version information\n", + PROGNAME, PROGNAME, PROGNAME, PROGNAME); } @@ -291,11 +346,9 @@ print_usage (void) void print_help (void) { - print_revision (PROGNAME, "$Revision$"); + print_revision (PROGNAME, REVISION); printf - ("Copyright (c) 2000 Karl DeBisschop\n\n" - "This plugin will check all of the swap partitions and return an\n" - "error if the the avalable swap space is less than specified.\n\n"); + ("Copyright (c) %s %s <%s>\n\n%s\n", COPYRIGHT, AUTHOR, EMAIL, SUMMARY); print_usage (); printf ("\nOptions:\n" @@ -307,6 +360,8 @@ print_help (void) " Exit with CRITICAL status if less than INTEGER bytes of swap space are free\n" " -c, --critical=PERCENT%%\n" " Exit with CRITCAL status if more than PERCENT of swap space has been used\n" + " -a, --allswaps\n" + " Conduct comparisons for all swap partitions, one by one\n" " -h, --help\n" " Print detailed help screen\n" " -V, --version\n" " Print version information\n\n");