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diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 90b2248435366b4140b30797f6a92071a74f4e3e..44c154fce085a9a8e326cc295d274ed375cf7d01 100644 (file)
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
-/******************************************************************************
-*
+/*****************************************************************************
+*
* Nagios check_disk plugin
-*
+*
* License: GPL
-* Copyright (c) 1999-2006 nagios-plugins team
-*
+* Copyright (c) 1999-2008 Nagios Plugins Development Team
+*
* Last Modified: $Date$
-*
+*
* Description:
-*
+*
* This file contains the check_disk plugin
-*
-* License Information:
-*
-* This program is free software; you can redistribute it and/or modify
+*
+*
+* 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
+* the Free Software Foundation, either version 3 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.
-*
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*
* $Id$
*
*****************************************************************************/
const char *progname = "check_disk";
const char *program_name = "check_disk"; /* Required for coreutils libs */
const char *revision = "$Revision$";
-const char *copyright = "1999-2006";
+const char *copyright = "1999-2008";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
/* If nonzero, show only local filesystems. */
static int show_local_fs = 0;
+/* If nonzero, show only local filesystems but call stat() on remote ones. */
+static int stat_remote_fs = 0;
+
/* If positive, the units to use when printing sizes;
if negative, the human-readable base. */
/* static int output_block_size; */
@@ -127,6 +128,7 @@ int validate_arguments (uintmax_t, uintmax_t, double, double, double, double, ch
void print_help (void);
void print_usage (void);
double calculate_percent(uintmax_t, uintmax_t);
+void stat_path (struct parameter_list *p);
double w_dfp = -1.0;
double c_dfp = -1.0;
char *crit_usedinodes_percent = NULL;
char *warn_freeinodes_percent = NULL;
char *crit_freeinodes_percent = NULL;
-bool path_selected = false;
+int path_selected = FALSE;
char *group = NULL;
+struct stat *stat_buf;
int
struct fs_usage fsp, tmpfsp;
struct parameter_list *temp_list, *path;
struct name_list *seen = NULL;
- struct stat *stat_buf;
preamble = strdup (" - free space:");
output = strdup ("");
details = strdup ("");
perf = strdup ("");
+ stat_buf = malloc(sizeof *stat_buf);
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
/* If a list of paths has not been selected, find entire
mount list and create list of paths
*/
- if (path_selected == false) {
+ if (path_selected == FALSE) {
for (me = mount_list; me; me = me->me_next) {
if (! (path = np_find_parameter(path_select_list, me->me_mountdir))) {
path = np_add_parameter(&path_select_list, me->me_mountdir);
/* Error if no match found for specified paths */
temp_list = path_select_list;
- stat_buf = malloc(sizeof *stat_buf);
while (temp_list) {
if (! temp_list->best_match) {
die (STATE_CRITICAL, _("DISK %s: %s not found\n"), _("CRITICAL"), temp_list->name);
}
- /* Stat each entry to check that dir exists */
- if (stat (temp_list->name, &stat_buf[0])) {
- printf("DISK %s - ", _("CRITICAL"));
- die (STATE_CRITICAL, _("%s %s: %s\n"), temp_list->name, _("is not accessible"), strerror(errno));
- }
temp_list = temp_list->name_next;
}
- free(stat_buf);
/* Process for every path in list */
for (path = path_select_list; path; path=path->name_next) {
for (temp_list = path_select_list; temp_list; temp_list=temp_list->name_next) {
if (temp_list->group && ! (strcmp(temp_list->group, path->group))) {
+ stat_path(path);
get_fs_usage (temp_list->best_match->me_mountdir, temp_list->best_match->me_devname, &tmpfsp);
/* possibly differing blocksizes if disks are grouped. Calculating average */
(fsp.fsu_blocks + tmpfsp.fsu_blocks); /* Size of a block. */
fsp.fsu_blocks += tmpfsp.fsu_blocks; /* Total blocks. */
fsp.fsu_bfree += tmpfsp.fsu_bfree; /* Free blocks available to superuser. */
- fsp.fsu_bavail += tmpfsp.fsu_bavail; /* Free blocks available to non-superuser. */
+ /* Gnulib workaround - see comment about it a few lines below */
+ fsp.fsu_bavail += (tmpfsp.fsu_bavail > tmpfsp.fsu_bfree ? 0 : tmpfsp.fsu_bavail); /* Free blocks available to non-superuser. */
fsp.fsu_files += tmpfsp.fsu_files; /* Total file nodes. */
fsp.fsu_ffree += tmpfsp.fsu_ffree; /* Free file nodes. */
if (verbose > 3)
printf("Group %s: add %llu blocks (%s) \n", path->group, tmpfsp.fsu_bavail, temp_list->name);
- /* printf("Group %s: add %u blocks (%s)\n", temp_list->name); // path->group, tmpfsp.fsu_bavail, temp_list->name); */
+ /* printf("Group %s: add %u blocks (%s)\n", temp_list->name); *//* path->group, tmpfsp.fsu_bavail, temp_list->name); */
np_add_name(&seen, temp_list->best_match->me_mountdir);
}
if (path->group == NULL) {
/* Skip remote filesystems if we're not interested in them */
if (me->me_remote && show_local_fs) {
+ if (stat_remote_fs)
+ stat_path(path);
continue;
/* Skip pseudo fs's if we haven't asked for all fs's */
} else if (me->me_dummy && !show_all_fs) {
continue;
}
+ stat_path(path);
get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
}
if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
total = fsp.fsu_blocks;
- available = fsp.fsu_bavail;
+ /* 2007-12-08 - Workaround for Gnulib reporting insanely high available
+ * space on BSD (the actual value should be negative but fsp.fsu_bavail
+ * is unsigned) */
+ available = fsp.fsu_bavail > fsp.fsu_bfree ? 0 : fsp.fsu_bavail;
available_to_root = fsp.fsu_bfree;
used = total - available_to_root;
+ if (verbose >= 3)
+ printf ("For %s, total=%llu, available=%llu, available_to_root=%llu, used=%llu, fsp.fsu_files=%llu, fsp.fsu_ffree=%llu\n",
+ me->me_mountdir, total, available, available_to_root, used, fsp.fsu_files, fsp.fsu_ffree);
+
dused_pct = calculate_percent( used, used + available ); /* used + available can never be > uintmax */
dfree_pct = 100 - dused_pct;
asprintf (&perf, "%s %s", perf,
perfdata ((!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
dused_units, units,
- (warning_high_tide != UINT_MAX ? TRUE : FALSE), warning_high_tide,
- (critical_high_tide != UINT_MAX ? TRUE : FALSE), critical_high_tide,
- TRUE, 0,
- TRUE, dtotal_units));
+ (warning_high_tide != UINT_MAX ? TRUE : FALSE), warning_high_tide,
+ (critical_high_tide != UINT_MAX ? TRUE : FALSE), critical_high_tide,
+ TRUE, 0,
+ TRUE, dtotal_units));
if (disk_result==STATE_OK && erronly && !verbose)
continue;
process_arguments (int argc, char **argv)
{
int c, err;
- struct parameter_list *se, *se2;
- struct parameter_list *temp_list;
+ struct parameter_list *se;
+ struct parameter_list *temp_list = NULL, *previous = NULL;
struct parameter_list *temp_path_select_list = NULL;
- struct mount_entry *me;
+ struct mount_entry *me, *temp_me;
int result = OK;
regex_t re;
int cflags = REG_NOSUB | REG_EXTENDED;
+ int default_cflags = cflags;
char errbuf[MAX_INPUT_BUFFER];
- bool fnd = false;
+ int fnd = 0;
int option = 0;
static struct option longopts[] = {
{"iwarning", required_argument, 0, 'W'},
/* Dang, -C is taken. We might want to reshuffle this. */
{"icritical", required_argument, 0, 'K'},
- {"local", required_argument, 0, 'l'},
{"kilobytes", required_argument, 0, 'k'},
{"megabytes", required_argument, 0, 'm'},
{"units", required_argument, 0, 'u'},
{"eregi-partition", required_argument, 0, 'R'},
{"ereg-path", required_argument, 0, 'r'},
{"ereg-partition", required_argument, 0, 'r'},
+ {"ignore-ereg-path", required_argument, 0, 'i'},
+ {"ignore-ereg-partition", required_argument, 0, 'i'},
+ {"ignore-eregi-path", required_argument, 0, 'I'},
+ {"ignore-eregi-partition", required_argument, 0, 'I'},
+ {"local", no_argument, 0, 'l'},
+ {"stat-remote-fs", no_argument, 0, 'L'},
{"mountpoint", no_argument, 0, 'M'},
{"errors-only", no_argument, 0, 'e'},
{"exact-match", no_argument, 0, 'E'},
+ {"all", no_argument, 0, 'A'},
{"verbose", no_argument, 0, 'v'},
{"quiet", no_argument, 0, 'q'},
{"clear", no_argument, 0, 'C'},
strcpy (argv[c], "-t");
while (1) {
- c = getopt_long (argc, argv, "+?VqhveCt:c:w:K:W:u:p:x:X:mklg:R:r:ME", longopts, &option);
+ c = getopt_long (argc, argv, "+?VqhveCt:c:w:K:W:u:p:x:X:mklLg:R:r:i:I:MEA", longopts, &option);
if (c == -1 || c == EOF)
break;
}
} else {
if (*optarg == '@') {
- warn_freespace_units = optarg;
+ warn_freespace_units = optarg;
} else {
asprintf(&warn_freespace_units, "@%s", optarg);
}
free(units);
units = strdup ("MB");
break;
+ case 'L':
+ stat_remote_fs = 1;
case 'l':
show_local_fs = 1;
break;
die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set a threshold value before using -p\n"));
}
- /* get the real mountdir of the specified path. np_find_parameter won't find an entry if -p is not
- * exactly the same string as the mountdir */
- se2 = np_add_parameter(&temp_path_select_list, optarg);
- np_set_best_match(se2, mount_list, FALSE);
-
-
/* add parameter if not found. overwrite thresholds if path has already been added */
if (! (se = np_find_parameter(path_select_list, optarg))) {
se = np_add_parameter(&path_select_list, optarg);
}
se->group = group;
set_all_thresholds(se);
- path_selected = true;
+ np_set_best_match(se, mount_list, exact_match);
+ stat_path(se);
+ path_selected = TRUE;
break;
case 'x': /* exclude path or partition */
np_add_name(&dp_exclude_list, optarg);
erronly = TRUE;
break;
case 'E':
+ if (path_selected)
+ die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set -E before selecting pathes\n"));
exact_match = TRUE;
break;
case 'g':
if (path_selected)
- die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set group value before using -p\n"));
+ die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set group value before selecting pathes \n"));
group = optarg;
break;
+ case 'I':
+ cflags |= REG_ICASE;
+ case 'i':
+ if (!path_selected)
+ die (STATE_UNKNOWN, "DISK %s: %s\n", _("UNKNOWN"), _("Pathes need to be selected before using -i/-I. Use -A to select all pathes explicitly"));
+ err = regcomp(&re, optarg, cflags);
+ if (err != 0) {
+ regerror (err, &re, errbuf, MAX_INPUT_BUFFER);
+ die (STATE_UNKNOWN, "DISK %s: %s - %s\n",_("UNKNOWN"), _("Could not compile regular expression"), errbuf);
+ }
+
+ temp_list = path_select_list;
+
+ previous = NULL;
+ while (temp_list) {
+ if (temp_list->best_match) {
+ if (np_regex_match_mount_entry(temp_list->best_match, &re)) {
+
+ if (verbose >=3)
+ printf("ignoring %s matching regex\n", temp_list->name);
+
+ temp_list = np_del_parameter(temp_list, previous);
+ /* pointer to first element needs to be updated if first item gets deleted */
+ if (previous == NULL)
+ path_select_list = temp_list;
+ } else {
+ previous = temp_list;
+ temp_list = temp_list->name_next;
+ }
+ } else {
+ previous = temp_list;
+ temp_list = temp_list->name_next;
+ }
+ }
+
+
+ cflags = default_cflags;
+ break;
+
+ case 'A':
+ optarg = strdup(".*");
case 'R':
cflags |= REG_ICASE;
case 'r':
for (me = mount_list; me; me = me->me_next) {
if (np_regex_match_mount_entry(me, &re)) {
- fnd = true;
+ fnd = TRUE;
if (verbose > 3)
- printf("%s %s matching expression %s\n", me->me_devname, me->me_mountdir, optarg);
+ printf("%s %s matching expression %s\n", me->me_devname, me->me_mountdir, optarg);
/* add parameter if not found. overwrite thresholds if path has already been added */
if (! (se = np_find_parameter(path_select_list, me->me_mountdir))) {
die (STATE_UNKNOWN, "DISK %s: %s - %s\n",_("UNKNOWN"),
_("Regular expression did not match any path or disk"), optarg);
- fnd = false;
- path_selected = true;
+ fnd = FALSE;
+ path_selected = TRUE;
+ np_set_best_match(path_select_list, mount_list, exact_match);
+ cflags = default_cflags;
+
break;
case 'M': /* display mountpoint */
display_mntp = TRUE;
break;
case 'C':
/* add all mount entries to path_select list if no partitions have been explicitly defined using -p */
- if (path_selected == false) {
+ if (path_selected == FALSE) {
struct mount_entry *me;
struct parameter_list *path;
for (me = mount_list; me; me = me->me_next) {
warn_freeinodes_percent = NULL;
crit_freeinodes_percent = NULL;
- path_selected = false;
+ path_selected = FALSE;
group = NULL;
break;
case 'V': /* version */
if (argc > c && path == NULL) {
se = np_add_parameter(&path_select_list, strdup(argv[c++]));
- path_selected = true;
+ path_selected = TRUE;
set_all_thresholds(se);
}
void
set_all_thresholds (struct parameter_list *path)
{
+ if (path->freespace_units != NULL) free(path->freespace_units);
set_thresholds(&path->freespace_units, warn_freespace_units, crit_freespace_units);
+ if (path->freespace_percent != NULL) free (path->freespace_percent);
set_thresholds(&path->freespace_percent, warn_freespace_percent, crit_freespace_percent);
+ if (path->usedspace_units != NULL) free (path->usedspace_units);
set_thresholds(&path->usedspace_units, warn_usedspace_units, crit_usedspace_units);
+ if (path->usedspace_percent != NULL) free (path->usedspace_percent);
set_thresholds(&path->usedspace_percent, warn_usedspace_percent, crit_usedspace_percent);
+ if (path->usedinodes_percent != NULL) free (path->usedinodes_percent);
set_thresholds(&path->usedinodes_percent, warn_usedinodes_percent, crit_usedinodes_percent);
+ if (path->freeinodes_percent != NULL) free (path->freeinodes_percent);
set_thresholds(&path->freeinodes_percent, warn_freeinodes_percent, crit_freeinodes_percent);
}
printf (" %s\n", _("Same as '--units kB'"));
printf (" %s\n", "-l, --local");
printf (" %s\n", _("Only check local filesystems"));
+ printf (" %s\n", "-L, --stat-remote-fs");
+ printf (" %s\n", _("Only check local filesystems against thresholds. Yet call stat on remote filesystems"));
+ printf (" %s\n", _("to test if they are accessible (e.g. to detect Stale NFS Handles)"));
printf (" %s\n", "-M, --mountpoint");
printf (" %s\n", _("Display the mountpoint instead of the partition"));
printf (" %s\n", "-m, --megabytes");
printf (" %s\n", _("Same as '--units MB'"));
+ printf (" %s\n", "-A, --all");
+ printf (" %s\n", _("Explicitly select all pathes. This is equivalent to -R '.*'"));
printf (" %s\n", "-R, --eregi-path=PATH, --eregi-partition=PARTITION");
printf (" %s\n", _("Case insensitive regular expression for path/partition (may be repeated)"));
printf (" %s\n", "-r, --ereg-path=PATH, --ereg-partition=PARTITION");
printf (" %s\n", _("Regular expression for path or partition (may be repeated)"));
+ printf (" %s\n", "-I, --ignore-eregi-path=PATH, --ignore-eregi-partition=PARTITION");
+ printf (" %s\n", _("Regular expression to ignore selected path/partition (case insensitive) (may be repeated)"));
+ printf (" %s\n", "-i, --ignore-ereg-path=PATH, --ignore-ereg-partition=PARTITION");
+ printf (" %s\n", _("Regular expression to ignore selected path or partition (may be repeated)"));
printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
printf (" %s\n", "-u, --units=STRING");
printf (" %s\n", _("Choose bytes, kB, MB, GB, TB (default: MB)"));
printf ("[-C] [-E] [-e] [-g group ] [-k] [-l] [-M] [-m] [-R path ] [-r path ]\n");
printf ("[-t timeout] [-u unit] [-v] [-X type]\n");
}
+
+void
+stat_path (struct parameter_list *p)
+{
+ /* Stat entry to check that dir exists and is accessible */
+ if (verbose > 3)
+ printf("calling stat on %s\n", p->name);
+ if (stat (p->name, &stat_buf[0])) {
+ if (verbose > 3)
+ printf("stat failed on %s\n", p->name);
+ printf("DISK %s - ", _("CRITICAL"));
+ die (STATE_CRITICAL, _("%s %s: %s\n"), p->name, _("is not accessible"), strerror(errno));
+ }
+}