New upstream version 2.3.2
This commit is contained in:
parent
09f4277f49
commit
21323d25dd
104 changed files with 34386 additions and 7430 deletions
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@ -1,30 +1,30 @@
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/*****************************************************************************
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*
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*
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* Monitoring check_swap plugin
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*
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*
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* License: GPL
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* Copyright (c) 2000 Karl DeBisschop (kdebisschop@users.sourceforge.net)
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* Copyright (c) 2000-2007 Monitoring Plugins Development Team
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*
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*
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* Description:
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*
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*
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* This file contains the check_swap plugin
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*
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*
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*
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*
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*****************************************************************************/
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const char *progname = "check_swap";
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@ -34,6 +34,9 @@ const char *email = "devel@monitoring-plugins.org";
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#include "common.h"
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#include "popen.h"
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#include "utils.h"
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#include <string.h>
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#include <math.h>
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#include <libintl.h>
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#ifdef HAVE_DECL_SWAPCTL
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# ifdef HAVE_SYS_PARAM_H
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@ -51,16 +54,19 @@ const char *email = "devel@monitoring-plugins.org";
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# define SWAP_CONVERSION 1
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#endif
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int check_swap (int usp, float free_swap_mb, float total_swap_mb);
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typedef struct {
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int is_percentage;
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uint64_t value;
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} threshold_t;
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int check_swap (float free_swap_mb, float total_swap_mb);
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int process_arguments (int argc, char **argv);
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int validate_arguments (void);
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void print_usage (void);
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void print_help (void);
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int warn_percent = 0;
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int crit_percent = 0;
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float warn_size_bytes = 0;
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float crit_size_bytes = 0;
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threshold_t warn;
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threshold_t crit;
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int verbose;
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int allswaps;
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int no_swap_state = STATE_CRITICAL;
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@ -68,9 +74,10 @@ int no_swap_state = STATE_CRITICAL;
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int
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main (int argc, char **argv)
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{
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int percent_used, percent;
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float total_swap_mb = 0, used_swap_mb = 0, free_swap_mb = 0;
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float dsktotal_mb = 0, dskused_mb = 0, dskfree_mb = 0, tmp_mb = 0;
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unsigned int percent_used, percent;
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uint64_t total_swap_mb = 0, used_swap_mb = 0, free_swap_mb = 0;
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uint64_t dsktotal_mb = 0, dskused_mb = 0, dskfree_mb = 0;
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uint64_t tmp_KB = 0;
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int result = STATE_UNKNOWN;
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char input_buffer[MAX_INPUT_BUFFER];
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#ifdef HAVE_PROC_MEMINFO
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@ -116,10 +123,15 @@ main (int argc, char **argv)
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}
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fp = fopen (PROC_MEMINFO, "r");
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while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) {
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if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%*[:] %f %f %f", &dsktotal_mb, &dskused_mb, &dskfree_mb) == 3) {
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dsktotal_mb = dsktotal_mb / 1048576; /* Apply conversion */
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dskused_mb = dskused_mb / 1048576;
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dskfree_mb = dskfree_mb / 1048576;
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/*
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* The following sscanf call looks for a line looking like: "Swap: 123 123 123"
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* On which kind of system this format exists, I can not say, but I wanted to
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* document this for people who are not adapt with sscanf anymore, like me
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*/
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if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%*[:] %lu %lu %lu", &dsktotal_mb, &dskused_mb, &dskfree_mb) == 3) {
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dsktotal_mb = dsktotal_mb / (1024 * 1024); /* Apply conversion */
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dskused_mb = dskused_mb / (1024 * 1024);
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dskfree_mb = dskfree_mb / (1024 * 1024);
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total_swap_mb += dsktotal_mb;
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used_swap_mb += dskused_mb;
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free_swap_mb += dskfree_mb;
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@ -128,21 +140,29 @@ main (int argc, char **argv)
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percent=100.0;
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else
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percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
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result = max_state (result, check_swap (percent, dskfree_mb, dsktotal_mb));
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result = max_state (result, check_swap (dskfree_mb, dsktotal_mb));
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if (verbose)
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xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
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xasprintf (&status, "%s [%lu (%d%%)]", status, dskfree_mb, 100 - percent);
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}
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}
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else if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%[TotalFre]%*[:] %f %*[k]%*[B]", str, &tmp_mb)) {
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/*
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* The following sscanf call looks for lines looking like: "SwapTotal: 123" and "SwapFree: 123"
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* This format exists at least on Debian Linux with a 5.* kernel
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*/
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else if (sscanf (input_buffer, "%*[S]%*[w]%*[a]%*[p]%[TotalFreCchd]%*[:] %lu %*[k]%*[B]", str, &tmp_KB)) {
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if (verbose >= 3) {
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printf("Got %s with %f\n", str, tmp_mb);
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printf("Got %s with %lu\n", str, tmp_KB);
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}
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/* I think this part is always in Kb, so convert to mb */
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if (strcmp ("Total", str) == 0) {
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dsktotal_mb = tmp_mb / 1024;
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dsktotal_mb = tmp_KB / 1024;
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}
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else if (strcmp ("Free", str) == 0) {
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dskfree_mb = tmp_mb / 1024;
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dskfree_mb = dskfree_mb + tmp_KB / 1024;
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}
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else if (strcmp ("Cached", str) == 0) {
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dskfree_mb = dskfree_mb + tmp_KB / 1024;
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}
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}
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}
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@ -227,7 +247,7 @@ main (int argc, char **argv)
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free_swap_mb += dskfree_mb;
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if (allswaps) {
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percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
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result = max_state (result, check_swap (percent, dskfree_mb, dsktotal_mb));
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result = max_state (result, check_swap (dskfree_mb, dsktotal_mb));
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if (verbose)
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xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
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}
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@ -289,7 +309,7 @@ main (int argc, char **argv)
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if(allswaps && dsktotal_mb > 0){
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percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
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result = max_state (result, check_swap (percent, dskfree_mb, dsktotal_mb));
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result = max_state (result, check_swap (dskfree_mb, dsktotal_mb));
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if (verbose) {
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xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
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}
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@ -328,7 +348,7 @@ main (int argc, char **argv)
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if(allswaps && dsktotal_mb > 0){
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percent = 100 * (((double) dskused_mb) / ((double) dsktotal_mb));
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result = max_state (result, check_swap (percent, dskfree_mb, dsktotal_mb));
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result = max_state (result, check_swap(dskfree_mb, dsktotal_mb));
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if (verbose) {
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xasprintf (&status, "%s [%.0f (%d%%)]", status, dskfree_mb, 100 - percent);
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}
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@ -355,41 +375,55 @@ main (int argc, char **argv)
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status = "- Swap is either disabled, not present, or of zero size. ";
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}
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result = max_state (result, check_swap (percent_used, free_swap_mb, total_swap_mb));
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printf (_("SWAP %s - %d%% free (%d MB out of %d MB) %s|"),
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result = max_state (result, check_swap(free_swap_mb, total_swap_mb));
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printf (_("SWAP %s - %d%% free (%dMB out of %dMB) %s|"),
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state_text (result),
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(100 - percent_used), (int) free_swap_mb, (int) total_swap_mb, status);
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puts (perfdata ("swap", (long) free_swap_mb, "MB",
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TRUE, (long) max (warn_size_bytes/(1024 * 1024), warn_percent/100.0*total_swap_mb),
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TRUE, (long) max (crit_size_bytes/(1024 * 1024), crit_percent/100.0*total_swap_mb),
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uint64_t warn_print = warn.value;
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if (warn.is_percentage) warn_print = warn.value * (total_swap_mb *1024 *1024/100);
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uint64_t crit_print = crit.value;
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if (crit.is_percentage) crit_print = crit.value * (total_swap_mb *1024 *1024/100);
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puts (perfdata_uint64 ("swap", free_swap_mb *1024 *1024, "B",
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TRUE, warn_print,
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TRUE, crit_print,
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TRUE, 0,
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TRUE, (long) total_swap_mb));
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TRUE, (long) total_swap_mb * 1024 * 1024));
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return result;
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}
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int
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check_swap (int usp, float free_swap_mb, float total_swap_mb)
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check_swap(float free_swap_mb, float total_swap_mb)
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{
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if (!total_swap_mb) return no_swap_state;
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int result = STATE_UNKNOWN;
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float free_swap = free_swap_mb * (1024 * 1024); /* Convert back to bytes as warn and crit specified in bytes */
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if (usp >= 0 && crit_percent != 0 && usp >= (100.0 - crit_percent))
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result = STATE_CRITICAL;
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else if (crit_size_bytes > 0 && free_swap <= crit_size_bytes)
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result = STATE_CRITICAL;
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else if (usp >= 0 && warn_percent != 0 && usp >= (100.0 - warn_percent))
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result = STATE_WARNING;
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else if (warn_size_bytes > 0 && free_swap <= warn_size_bytes)
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result = STATE_WARNING;
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else if (usp >= 0.0)
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result = STATE_OK;
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return result;
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uint64_t free_swap = free_swap_mb * (1024 * 1024); /* Convert back to bytes as warn and crit specified in bytes */
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if (!crit.is_percentage && crit.value >= free_swap) return STATE_CRITICAL;
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if (!warn.is_percentage && warn.value >= free_swap) return STATE_WARNING;
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uint64_t usage_percentage = ((total_swap_mb - free_swap_mb) / total_swap_mb) * 100;
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if (crit.is_percentage &&
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crit.value != 0 &&
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usage_percentage >= (100 - crit.value))
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{
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return STATE_CRITICAL;
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}
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if (warn.is_percentage &&
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warn.value != 0 &&
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usage_percentage >= (100 - warn.value))
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{
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return STATE_WARNING;
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}
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return STATE_OK;
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}
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@ -422,42 +456,66 @@ process_arguments (int argc, char **argv)
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break;
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switch (c) {
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case 'w': /* warning size threshold */
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if (is_intnonneg (optarg)) {
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warn_size_bytes = (float) atoi (optarg);
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break;
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}
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else if (strstr (optarg, ",") &&
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strstr (optarg, "%") &&
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sscanf (optarg, "%f,%d%%", &warn_size_bytes, &warn_percent) == 2) {
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warn_size_bytes = floorf(warn_size_bytes);
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break;
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}
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else if (strstr (optarg, "%") &&
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sscanf (optarg, "%d%%", &warn_percent) == 1) {
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break;
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}
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else {
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usage4 (_("Warning threshold must be integer or percentage!"));
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}
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case 'c': /* critical size threshold */
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if (is_intnonneg (optarg)) {
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crit_size_bytes = (float) atoi (optarg);
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break;
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}
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else if (strstr (optarg, ",") &&
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strstr (optarg, "%") &&
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sscanf (optarg, "%f,%d%%", &crit_size_bytes, &crit_percent) == 2) {
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crit_size_bytes = floorf(crit_size_bytes);
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break;
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}
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else if (strstr (optarg, "%") &&
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sscanf (optarg, "%d%%", &crit_percent) == 1) {
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break;
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}
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else {
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usage4 (_("Critical threshold must be integer or percentage!"));
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case 'w': /* warning size threshold */
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{
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/*
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* We expect either a positive integer value without a unit, which means
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* the unit is Bytes or a positive integer value and a percentage sign (%),
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* which means the value must be with 0 and 100 and is relative to the total swap
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*/
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size_t length;
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length = strlen(optarg);
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if (optarg[length - 1] == '%') {
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/* It's percentage */
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warn.is_percentage = 1;
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optarg[length - 1] = '\0';
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if (is_uint64(optarg, &warn.value)) {
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if (warn.value > 100) {
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usage4 (_("Warning threshold percentage must be <= 100!"));
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}
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}
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break;
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} else {
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/* It's Bytes */
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warn.is_percentage = 0;
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if (is_uint64(optarg, &warn.value)) {
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break;
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} else {
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usage4 (_("Warning threshold be positive integer or percentage!"));
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}
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}
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}
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case 'c': /* critical size threshold */
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{
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/*
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* We expect either a positive integer value without a unit, which means
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* the unit is Bytes or a positive integer value and a percentage sign (%),
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* which means the value must be with 0 and 100 and is relative to the total swap
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*/
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size_t length;
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length = strlen(optarg);
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if (optarg[length - 1] == '%') {
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/* It's percentage */
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crit.is_percentage = 1;
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optarg[length - 1] = '\0';
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if (is_uint64(optarg, &crit.value)) {
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if (crit.value> 100) {
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usage4 (_("Critical threshold percentage must be <= 100!"));
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}
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}
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break;
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} else {
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/* It's Bytes */
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crit.is_percentage = 0;
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if (is_uint64(optarg, &crit.value)) {
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break;
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} else {
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usage4 (_("Critical threshold be positive integer or percentage!"));
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}
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}
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}
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case 'a': /* all swap */
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allswaps = TRUE;
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break;
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@ -465,6 +523,7 @@ process_arguments (int argc, char **argv)
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if ((no_swap_state = mp_translate_state(optarg)) == ERROR) {
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usage4 (_("no-swap result must be a valid state name (OK, WARNING, CRITICAL, UNKNOWN) or integer (0-3)."));
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}
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break;
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case 'v': /* verbose */
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verbose++;
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break;
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@ -482,23 +541,6 @@ process_arguments (int argc, char **argv)
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c = optind;
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if (c == argc)
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return validate_arguments ();
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if (warn_percent == 0 && is_intnonneg (argv[c]))
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warn_percent = atoi (argv[c++]);
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if (c == argc)
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return validate_arguments ();
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if (crit_percent == 0 && is_intnonneg (argv[c]))
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crit_percent = atoi (argv[c++]);
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if (c == argc)
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return validate_arguments ();
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if (warn_size_bytes == 0 && is_intnonneg (argv[c]))
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warn_size_bytes = (float) atoi (argv[c++]);
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if (c == argc)
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return validate_arguments ();
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if (crit_size_bytes == 0 && is_intnonneg (argv[c]))
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crit_size_bytes = (float) atoi (argv[c++]);
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return validate_arguments ();
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}
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@ -508,17 +550,15 @@ process_arguments (int argc, char **argv)
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int
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validate_arguments (void)
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{
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if (warn_percent == 0 && crit_percent == 0 && warn_size_bytes == 0
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&& crit_size_bytes == 0) {
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if (warn.value == 0 && crit.value == 0) {
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return ERROR;
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}
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else if (warn_percent < crit_percent) {
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usage4
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(_("Warning percentage should be more than critical percentage"));
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}
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else if (warn_size_bytes < crit_size_bytes) {
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usage4
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(_("Warning free space should be more than critical free space"));
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else if ((warn.is_percentage == crit.is_percentage) && (warn.value < crit.value)) {
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/* This is NOT triggered if warn and crit are different units, e.g warn is percentage
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* and crit is absolut. We cannot determine the condition at this point since we
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* dont know the value of total swap yet
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*/
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usage4(_("Warning should be more than critical"));
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}
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return OK;
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}
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@ -534,7 +574,7 @@ print_help (void)
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printf ("%s\n", _("Check swap space on local machine."));
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printf ("\n\n");
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printf ("\n\n");
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print_usage ();
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@ -542,33 +582,32 @@ print_help (void)
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printf (UT_EXTRA_OPTS);
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printf (" %s\n", "-w, --warning=INTEGER");
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printf (" %s\n", _("Exit with WARNING status if less than INTEGER bytes of swap space are free"));
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||||
printf (" %s\n", "-w, --warning=PERCENT%%");
|
||||
printf (" %s\n", _("Exit with WARNING status if less than PERCENT of swap space is free"));
|
||||
printf (" %s\n", "-c, --critical=INTEGER");
|
||||
printf (" %s\n", _("Exit with CRITICAL status if less than INTEGER bytes of swap space are free"));
|
||||
printf (" %s\n", "-c, --critical=PERCENT%%");
|
||||
printf (" %s\n", _("Exit with CRITICAL status if less than PERCENT of swap space is free"));
|
||||
printf (" %s\n", "-a, --allswaps");
|
||||
printf (" %s\n", _("Conduct comparisons for all swap partitions, one by one"));
|
||||
printf (" %s\n", "-n, --no-swap=<ok|warning|critical|unknown>");
|
||||
printf (" %s %s\n", _("Resulting state when there is no swap regardless of thresholds. Default:"), state_text(no_swap_state));
|
||||
printf (" %s\n", _("Exit with WARNING status if less than INTEGER bytes of swap space are free"));
|
||||
printf (" %s\n", "-w, --warning=PERCENT%");
|
||||
printf (" %s\n", _("Exit with WARNING status if less than PERCENT of swap space is free"));
|
||||
printf (" %s\n", "-c, --critical=INTEGER");
|
||||
printf (" %s\n", _("Exit with CRITICAL status if less than INTEGER bytes of swap space are free"));
|
||||
printf (" %s\n", "-c, --critical=PERCENT%");
|
||||
printf (" %s\n", _("Exit with CRITICAL status if less than PERCENT of swap space is free"));
|
||||
printf (" %s\n", "-a, --allswaps");
|
||||
printf (" %s\n", _("Conduct comparisons for all swap partitions, one by one"));
|
||||
printf (" %s\n", "-n, --no-swap=<ok|warning|critical|unknown>");
|
||||
printf (" %s %s\n", _("Resulting state when there is no swap regardless of thresholds. Default:"), state_text(no_swap_state));
|
||||
printf (UT_VERBOSE);
|
||||
|
||||
printf ("\n");
|
||||
printf ("%s\n", _("Notes:"));
|
||||
printf (" %s\n", _("Both INTEGER and PERCENT thresholds can be specified, they are all checked."));
|
||||
printf (" %s\n", _("On AIX, if -a is specified, uses lsps -a, otherwise uses lsps -s."));
|
||||
printf ("%s\n", _("Notes:"));
|
||||
printf (" %s\n", _("Both INTEGER and PERCENT thresholds can be specified, they are all checked."));
|
||||
printf (" %s\n", _("On AIX, if -a is specified, uses lsps -a, otherwise uses lsps -s."));
|
||||
|
||||
printf (UT_SUPPORT);
|
||||
}
|
||||
|
||||
|
||||
|
||||
void
|
||||
print_usage (void)
|
||||
{
|
||||
printf ("%s\n", _("Usage:"));
|
||||
printf (" %s [-av] -w <percent_free>%% -c <percent_free>%%\n",progname);
|
||||
printf (" -w <bytes_free> -c <bytes_free> [-n <state>]\n");
|
||||
printf (" %s [-av] -w <percent_free>%% -c <percent_free>%%\n",progname);
|
||||
printf (" -w <bytes_free> -c <bytes_free> [-n <state>]\n");
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue