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diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index c758530e71c33ac5a307ef481d149791186b2903..ab9f66f8ba4dcafb68d31bc33073ae5785394c58 100644 (file)
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
/******************************************************************************
-*
-* 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.
-*
+
+ 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.
+
+ $Id$
+
*****************************************************************************/
const char *progname = "check_disk";
+const char *program_name = "check_disk"; // Required for coreutils libs
const char *revision = "$Revision$";
-const char *copyright = "1999-2003";
+const char *copyright = "1999-2004";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
# include <limits.h>
#endif
-void
-print_usage (void)
-{
- printf (_("\
-Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e]\n\
- [-v] [-q]\n\
- %s (-h|--help)\n\
- %s (-V|--version)\n"),
- progname, progname, progname);
-}
-
-void
-print_help (void)
-{
- print_revision (progname, revision);
-
- printf (_(COPYRIGHT), copyright, email);
-
- printf (_("\
-This plugin checks the amount of used disk space on a mounted file system\n\
-and generates an alert if free space is less than one of the threshold values."));
-
- print_usage ();
-
- printf (_(UT_HELP_VRSN));
-
- printf (_("\
- -w, --warning=INTEGER\n\
- Exit with WARNING status if less than INTEGER kilobytes of disk are free\n\
- -w, --warning=PERCENT%%\n\
- Exit with WARNING status if less than PERCENT of disk space is free\n\
- -c, --critical=INTEGER\n\
- Exit with CRITICAL status if less than INTEGER kilobytes of disk are free\n\
- -c, --critical=PERCENT%%\n\
- Exit with CRITCAL status if less than PERCENT of disk space is free\n\
- -C, --clear\n\
- Clear thresholds\n"));
-
- printf (_("\
- -u, --units=STRING\n\
- Choose bytes, kB, MB, GB, TB (default: MB)\n\
- -k, --kilobytes\n\
- Same as '--units kB'\n\
- -m, --megabytes\n\
- Same as '--units MB'\n"));
-
- printf (_("\
- -l, --local\n\
- Only check local filesystems\n\
- -p, --path=PATH, --partition=PARTITION\n\
- Path or partition (may be repeated)\n\
- -x, --exclude_device=PATH <STRING>\n\
- Ignore device (only works if -p unspecified)\n\
- -X, --exclude-type=TYPE <STRING>\n\
- Ignore all filesystems of indicated type (may be repeated)\n\
- -M, --mountpoint\n\
- Display the mountpoint instead of the partition\n\
- -e, --errors-only\n\
- Display only devices/mountpoints with errors\n"));
-
- printf (_(UT_WARN_CRIT));
-
- printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
-
- printf (_(UT_VERBOSE));
-
- printf ("%s", _("Examples:\n\
- check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /\n\
- Checks /tmp and /var at 10%,5% and / at 100MB, 50MB\n"));
-
- support ();
-}
-\f
-
/* If nonzero, show inode information. */
/* static int inode_format; */
{
char *name;
int found;
- int w_df;
- int c_df;
+ uintmax_t w_df;
+ uintmax_t c_df;
double w_dfp;
double c_dfp;
struct name_list *name_next;
#endif
int process_arguments (int, char **);
-int validate_arguments (int, int, double, double, char *);
-int check_disk (int usp, int free_disk);
+void print_path (const char *mypath);
+int validate_arguments (uintmax_t, uintmax_t, double, double, char *);
+int check_disk (double usp, double free_disk);
int walk_name_list (struct name_list *list, const char *name);
+void print_help (void);
+void print_usage (void);
-int w_df = -1;
-int c_df = -1;
+uintmax_t w_df = 0;
+uintmax_t c_df = 0;
double w_dfp = -1.0;
double c_dfp = -1.0;
-char *path = "";
-char *exclude_device = "";
-char *units = "MB";
-unsigned long mult = 1024 * 1024;
+char *path;
+char *exclude_device;
+char *units;
+uintmax_t mult = 1024 * 1024;
int verbose = 0;
int erronly = FALSE;
int display_mntp = FALSE;
/* Linked list of mounted filesystems. */
static struct mount_entry *mount_list;
+
+
int
main (int argc, char **argv)
{
- int usp = -1;
+ double usp = -1.0;
int result = STATE_UNKNOWN;
int disk_result = STATE_UNKNOWN;
char file_system[MAX_INPUT_BUFFER];
- char *output = "";
- char *details = "";
+ char *output;
+ char *details;
+ char *perf;
+ uintmax_t psize;
float free_space, free_space_pct, total_space;
struct mount_entry *me;
struct fs_usage fsp;
struct name_list *temp_list;
+ output = strdup (" - free space:");
+ details = strdup ("");
+ perf = strdup ("");
+
+ setlocale (LC_ALL, "");
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
mount_list = read_filesystem_list (0);
- if (process_arguments (argc, argv) != OK)
- usage (_("Could not parse arguments\n"));
+ if (process_arguments (argc, argv) == ERROR)
+ usage4 (_("Could not parse arguments"));
for (me = mount_list; me; me = me->me_next) {
get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
- usp = (fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
- disk_result = check_disk (usp, fsp.fsu_bavail);
+ usp = (double)(fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
+ disk_result = check_disk (usp, (double)(fsp.fsu_bavail * fsp.fsu_blocksize / mult));
result = max_state (disk_result, result);
+ psize = fsp.fsu_blocks*fsp.fsu_blocksize/mult;
+ asprintf (&perf, "%s %s", perf,
+ perfdata ((!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
+ psize-(fsp.fsu_bavail*fsp.fsu_blocksize/mult), units,
+ TRUE, min ((uintmax_t)psize-(uintmax_t)w_df, (uintmax_t)((1.0-w_dfp/100.0)*psize)),
+ TRUE, min ((uintmax_t)psize-(uintmax_t)c_df, (uintmax_t)((1.0-c_dfp/100.0)*psize)),
+ TRUE, 0,
+ TRUE, psize));
if (disk_result==STATE_OK && erronly && !verbose)
continue;
free_space_pct = (float)fsp.fsu_bavail*100/fsp.fsu_blocks;
total_space = (float)fsp.fsu_blocks*fsp.fsu_blocksize/mult;
if (disk_result!=STATE_OK || verbose>=0)
- asprintf (&output, ("%s [%.0f %s (%.0f%%) free on %s]"),
+ asprintf (&output, ("%s %s %.0f %s (%.0f%%);"),
output,
+ (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
free_space,
units,
- free_space_pct,
- (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir);
- asprintf (&details, _("%s\n%.0f of %.0f %s (%.0f%%) free on %s (type %s mounted on %s) warn:%d crit:%d warn%%:%.0f%% crit%%:%.0f%%"),
- details,
- free_space,
- total_space,
- units,
- free_space_pct,
- me->me_devname,
- me->me_type,
- me->me_mountdir,
- w_df, c_df, w_dfp, c_dfp);
+ free_space_pct);
+ asprintf (&details, _("%s\n\
+%.0f of %.0f %s (%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
+ details, free_space, total_space, units, free_space_pct,
+ me->me_devname, me->me_type, me->me_mountdir,
+ (unsigned long)w_df, (unsigned long)c_df, w_dfp, c_dfp);
}
}
+ asprintf (&output, "%s|%s", output, perf);
+
if (verbose > 2)
asprintf (&output, "%s%s", output, details);
temp_list = temp_list->name_next;
}
- terminate (result, "DISK %s%s\n", state_text (result), output, details);
- return STATE_UNKNOWN;
+ printf ("DISK %s%s\n", state_text (result), output);
+ return result;
}
-\f
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
struct name_list *temp_list;
int result = OK;
- int option_index = 0;
- static struct option long_options[] = {
+ unsigned long l;
+
+ int option = 0;
+ static struct option longopts[] = {
{"timeout", required_argument, 0, 't'},
{"warning", required_argument, 0, 'w'},
{"critical", required_argument, 0, 'c'},
strcpy (argv[c], "-t");
while (1) {
- c = getopt_long (argc, argv, "+?VqhveCt:c:w:u:p:x:X:mklM", long_options, &option_index);
+ c = getopt_long (argc, argv, "+?VqhveCt:c:w:u:p:x:X:mklM", longopts, &option);
if (c == -1 || c == EOF)
break;
break;
}
else {
- usage (_("Timeout Interval must be an integer!\n"));
+ usage2 (_("Timeout interval must be a positive integer"), optarg);
}
case 'w': /* warning threshold */
if (is_intnonneg (optarg)) {
}
else if (strpbrk (optarg, ",:") &&
strstr (optarg, "%") &&
- sscanf (optarg, "%d%*[:,]%lf%%", &w_df, &w_dfp) == 2) {
+ sscanf (optarg, "%lu%*[:,]%lf%%", &l, &w_dfp) == 2) {
+ w_df = (uintmax_t)l;
break;
}
else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &w_dfp) == 1) {
break;
}
else {
- usage (_("Warning threshold must be integer or percentage!\n"));
+ usage4 (_("Warning threshold must be integer or percentage!"));
}
case 'c': /* critical threshold */
if (is_intnonneg (optarg)) {
}
else if (strpbrk (optarg, ",:") &&
strstr (optarg, "%") &&
- sscanf (optarg, "%d%*[,:]%lf%%", &c_df, &c_dfp) == 2) {
+ sscanf (optarg, "%lu%*[,:]%lf%%", &l, &c_dfp) == 2) {
+ c_df = (uintmax_t)l;
break;
}
else if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &c_dfp) == 1) {
break;
}
else {
- usage (_("Critical threshold must be integer or percentage!\n"));
+ usage4 (_("Critical threshold must be integer or percentage!"));
}
case 'u':
+ if (units)
+ free(units);
if (! strcmp (optarg, "bytes")) {
- mult = 1;
- units = "B";
+ mult = (uintmax_t)1;
+ units = strdup ("B");
} else if (! strcmp (optarg, "kB")) {
- mult = 1024;
- units = "kB";
+ mult = (uintmax_t)1024;
+ units = strdup ("kB");
} else if (! strcmp (optarg, "MB")) {
- mult = 1024 * 1024;
- units = "MB";
+ mult = (uintmax_t)1024 * 1024;
+ units = strdup ("MB");
} else if (! strcmp (optarg, "GB")) {
- mult = 1024 * 1024 * 1024;
- units = "GB";
+ mult = (uintmax_t)1024 * 1024 * 1024;
+ units = strdup ("GB");
} else if (! strcmp (optarg, "TB")) {
- mult = (unsigned long)1024 * 1024 * 1024 * 1024;
- units = "TB";
+ mult = (uintmax_t)1024 * 1024 * 1024 * 1024;
+ units = strdup ("TB");
} else {
- terminate (STATE_UNKNOWN, _("unit type %s not known\n"), optarg);
+ die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg);
}
+ if (units == NULL)
+ die (STATE_UNKNOWN, _("failed allocating storage for '%s'\n"), "units");
break;
case 'k': /* display mountpoint */
mult = 1024;
- units = "kB";
+ if (units)
+ free(units);
+ units = strdup ("kB");
break;
case 'm': /* display mountpoint */
mult = 1024 * 1024;
- units = "MB";
+ if (units)
+ free(units);
+ units = strdup ("MB");
break;
case 'l':
show_local_fs = 1;
break;
case 'p': /* select path */
se = (struct name_list *) malloc (sizeof (struct name_list));
- se->name = strdup (optarg);
+ se->name = optarg;
se->name_next = NULL;
se->w_df = w_df;
se->c_df = c_df;
break;
case 'x': /* exclude path or partition */
se = (struct name_list *) malloc (sizeof (struct name_list));
- se->name = strdup (optarg);
+ se->name = optarg;
se->name_next = NULL;
+ se->w_df = 0;
+ se->c_df = 0;
+ se->w_dfp = -1.0;
+ se->c_dfp = -1.0;
*dptail = se;
dptail = &se->name_next;
break;
case 'X': /* exclude file system type */
se = (struct name_list *) malloc (sizeof (struct name_list));
- se->name = strdup (optarg);
+ se->name = optarg;
se->name_next = NULL;
+ se->w_df = 0;
+ se->c_df = 0;
+ se->w_dfp = -1.0;
+ se->c_dfp = -1.0;
*fstail = se;
fstail = &se->name_next;
break;
display_mntp = TRUE;
break;
case 'C':
- w_df = -1;
- c_df = -1;
+ w_df = 0;
+ c_df = 0;
w_dfp = -1.0;
c_dfp = -1.0;
break;
print_help ();
exit (STATE_OK);
case '?': /* help */
- usage (_("check_disk: unrecognized option\n"));
- break;
+ usage2 (_("Unknown argument"), optarg);
}
}
/* Support for "check_disk warn crit [fs]" with thresholds at used level */
c = optind;
- if (w_dfp == -1 && argc > c && is_intnonneg (argv[c]))
+ if (w_dfp < 0 && argc > c && is_intnonneg (argv[c]))
w_dfp = (100.0 - atof (argv[c++]));
- if (c_dfp == -1 && argc > c && is_intnonneg (argv[c]))
+ if (c_dfp < 0 && argc > c && is_intnonneg (argv[c]))
c_dfp = (100.0 - atof (argv[c++]));
- if (argc > c && strlen (path) == 0) {
+ if (argc > c && path == NULL) {
se = (struct name_list *) malloc (sizeof (struct name_list));
se->name = strdup (argv[c++]);
se->name_next = NULL;
}
-void print_path (char *mypath)
+
+void
+print_path (const char *mypath)
{
- if (mypath)
- printf (" for %s", mypath);
- printf ("\n");
+ if (mypath == NULL)
+ printf ("\n");
+ else
+ printf (_(" for %s\n"), mypath);
+
+ return;
}
+
+
int
-validate_arguments (int w, int c, double wp, double cp, char *mypath)
+validate_arguments (uintmax_t w, uintmax_t c, double wp, double cp, char *mypath)
{
if (w < 0 && c < 0 && wp < 0.0 && cp < 0.0) {
printf (_("INPUT ERROR: No thresholds specified"));
printf (_("\
INPUT ERROR: C_DFP (%f) should be less than W_DFP (%.1f) and both should be between zero and 100 percent, inclusive"),
cp, wp);
- print_path (path);
+ print_path (mypath);
return ERROR;
}
- else if ((w > 0 || c > 0) && (w < 0 || c < 0 || c > w)) {
+ else if ((w > 0 || c > 0) && (w == 0 || c == 0 || c > w)) {
printf (_("\
-INPUT ERROR: C_DF (%d) should be less than W_DF (%d) and both should be greater than zero"),
- c, w);
- print_path (path);
+INPUT ERROR: C_DF (%lu) should be less than W_DF (%lu) and both should be greater than zero"),
+ (unsigned long)c, (unsigned long)w);
+ print_path (mypath);
return ERROR;
}
- else {
- return OK;
+
+ if (units == NULL) {
+ units = strdup ("MB");
+ mult = (uintmax_t)1024 * 1024;
}
+ return OK;
}
-\f
int
-check_disk (int usp, int free_disk)
+check_disk (double usp, double free_disk)
{
int result = STATE_UNKNOWN;
/* check the percent used space against thresholds */
- if (usp >= 0 && usp >= (100.0 - c_dfp))
+ if (usp >= 0.0 && c_dfp >=0.0 && usp >= (100.0 - c_dfp))
result = STATE_CRITICAL;
- else if (c_df >= 0 && free_disk <= c_df)
+ else if (c_df > 0 && free_disk <= c_df)
result = STATE_CRITICAL;
- else if (usp >= 0 && usp >= (100.0 - w_dfp))
+ else if (usp >= 0.0 && w_dfp >=0.0 && usp >= (100.0 - w_dfp))
result = STATE_WARNING;
- else if (w_df >= 0 && free_disk <= w_df)
+ else if (w_df > 0 && free_disk <= w_df)
result = STATE_WARNING;
else if (usp >= 0.0)
result = STATE_OK;
/* if required for name_lists that have not saved w_df, etc (eg exclude lists) */
if (list->w_df) w_df = list->w_df;
if (list->c_df) c_df = list->c_df;
- if (list->w_dfp) w_dfp = list->w_dfp;
- if (list->c_dfp) c_dfp = list->c_dfp;
+ if (list->w_dfp>=0.0) w_dfp = list->w_dfp;
+ if (list->c_dfp>=0.0) c_dfp = list->c_dfp;
return TRUE;
}
list = list->name_next;
}
return FALSE;
}
+
+
+
+void
+print_help (void)
+{
+ print_revision (progname, revision);
+
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
+ printf (COPYRIGHT, copyright, email);
+
+ printf (_("\
+This plugin checks the amount of used disk space on a mounted file system\n\
+and generates an alert if free space is less than one of the threshold values.\n\n"));
+
+ print_usage ();
+
+ printf (_(UT_HELP_VRSN));
+
+ printf (_("\
+ -w, --warning=INTEGER\n\
+ Exit with WARNING status if less than INTEGER --units of disk are free\n\
+ -w, --warning=PERCENT%%\n\
+ Exit with WARNING status if less than PERCENT of disk space is free\n\
+ -c, --critical=INTEGER\n\
+ Exit with CRITICAL status if less than INTEGER --units of disk are free\n\
+ -c, --critical=PERCENT%%\n\
+ Exit with CRITCAL status if less than PERCENT of disk space is free\n\
+ -C, --clear\n\
+ Clear thresholds\n"));
+
+ printf (_("\
+ -u, --units=STRING\n\
+ Choose bytes, kB, MB, GB, TB (default: MB)\n\
+ -k, --kilobytes\n\
+ Same as '--units kB'\n\
+ -m, --megabytes\n\
+ Same as '--units MB'\n"));
+
+ printf (_("\
+ -l, --local\n\
+ Only check local filesystems\n\
+ -p, --path=PATH, --partition=PARTITION\n\
+ Path or partition (may be repeated)\n\
+ -x, --exclude_device=PATH <STRING>\n\
+ Ignore device (only works if -p unspecified)\n\
+ -X, --exclude-type=TYPE <STRING>\n\
+ Ignore all filesystems of indicated type (may be repeated)\n\
+ -M, --mountpoint\n\
+ Display the mountpoint instead of the partition\n\
+ -e, --errors-only\n\
+ Display only devices/mountpoints with errors\n"));
+
+ printf (_(UT_WARN_CRIT));
+
+ printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+
+ printf (_(UT_VERBOSE));
+
+ printf ("%s", _("Examples:\n\
+ check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /\n\
+ Checks /tmp and /var at 10%,5% and / at 100MB, 50MB\n"));
+
+ printf (_(UT_SUPPORT));
+}
+
+
+
+void
+print_usage (void)
+{
+ printf ("\
+Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e]\n\
+ [-v] [-q]\n", progname);
+}