916 lines
32 KiB
C
916 lines
32 KiB
C
/******************************************************************************
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*
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* Nagios check_disk plugin
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*
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* License: GPL
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* Copyright (c) 1999-2006 nagios-plugins team
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*
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* Last Modified: $Date: 2007/03/30 08:56:47 $
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*
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* Description:
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*
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* This file contains the check_disk plugin
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*
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* License Information:
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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 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: check_disk.c,v 1.90 2007/03/30 08:56:47 psychotrahe Exp $
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*
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*****************************************************************************/
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const char *progname = "check_disk";
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const char *program_name = "check_disk"; /* Required for coreutils libs */
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const char *revision = "$Revision: 1.90 $";
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const char *copyright = "1999-2006";
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const char *email = "nagiosplug-devel@lists.sourceforge.net";
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#include "common.h"
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#include <assert.h>
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#include "popen.h"
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#include "utils.h"
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#include "utils_disk.h"
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#include <stdarg.h>
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#include "fsusage.h"
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#include "mountlist.h"
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#include "intprops.h" /* necessary for TYPE_MAXIMUM */
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#if HAVE_LIMITS_H
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# include <limits.h>
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#endif
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#include "regex.h"
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/* If nonzero, show inode information. */
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static int inode_format = 1;
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/* If nonzero, show even filesystems with zero size or
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uninteresting types. */
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static int show_all_fs = 1;
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/* If nonzero, show only local filesystems. */
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static int show_local_fs = 0;
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/* If positive, the units to use when printing sizes;
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if negative, the human-readable base. */
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/* static int output_block_size; */
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/* If nonzero, invoke the `sync' system call before getting any usage data.
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Using this option can make df very slow, especially with many or very
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busy disks. Note that this may make a difference on some systems --
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SunOs4.1.3, for one. It is *not* necessary on Linux. */
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/* static int require_sync = 0; */
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/* Linked list of filesystem types to display.
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If `fs_select_list' is NULL, list all types.
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This table is generated dynamically from command-line options,
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rather than hardcoding into the program what it thinks are the
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valid filesystem types; let the user specify any filesystem type
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they want to, and if there are any filesystems of that type, they
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will be shown.
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Some filesystem types:
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4.2 4.3 ufs nfs swap ignore io vm efs dbg */
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/* static struct parameter_list *fs_select_list; */
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/* Linked list of filesystem types to omit.
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If the list is empty, don't exclude any types. */
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static struct name_list *fs_exclude_list;
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static struct name_list *dp_exclude_list;
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static struct parameter_list *path_select_list = NULL;
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/* Linked list of mounted filesystems. */
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static struct mount_entry *mount_list;
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/* For long options that have no equivalent short option, use a
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non-character as a pseudo short option, starting with CHAR_MAX + 1. */
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enum
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{
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SYNC_OPTION = CHAR_MAX + 1,
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NO_SYNC_OPTION,
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BLOCK_SIZE_OPTION
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};
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#ifdef _AIX
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#pragma alloca
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#endif
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/* Linked list of mounted filesystems. */
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static struct mount_entry *mount_list;
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int process_arguments (int, char **);
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void print_path (const char *mypath);
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void set_all_thresholds (struct parameter_list *path);
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int validate_arguments (uintmax_t, uintmax_t, double, double, double, double, char *);
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void print_help (void);
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void print_usage (void);
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double calculate_percent(uintmax_t, uintmax_t);
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double w_dfp = -1.0;
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double c_dfp = -1.0;
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char *path;
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char *exclude_device;
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char *units;
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uintmax_t mult = 1024 * 1024;
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int verbose = 0;
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int erronly = FALSE;
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int display_mntp = FALSE;
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int exact_match = FALSE;
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char *warn_freespace_units = NULL;
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char *crit_freespace_units = NULL;
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char *warn_freespace_percent = NULL;
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char *crit_freespace_percent = NULL;
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char *warn_usedspace_units = NULL;
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char *crit_usedspace_units = NULL;
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char *warn_usedspace_percent = NULL;
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char *crit_usedspace_percent = NULL;
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char *warn_usedinodes_percent = NULL;
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char *crit_usedinodes_percent = NULL;
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char *warn_freeinodes_percent = NULL;
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char *crit_freeinodes_percent = NULL;
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bool path_selected = false;
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char *group = NULL;
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int
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main (int argc, char **argv)
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{
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int result = STATE_UNKNOWN;
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int disk_result = STATE_UNKNOWN;
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char *output;
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char *details;
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char *perf;
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char *preamble;
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double inode_space_pct;
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uintmax_t total, available, available_to_root, used;
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double dfree_pct = -1, dused_pct = -1;
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double dused_units, dfree_units, dtotal_units;
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double dused_inodes_percent, dfree_inodes_percent;
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double warning_high_tide;
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double critical_high_tide;
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int temp_result;
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struct mount_entry *me;
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struct fs_usage fsp, tmpfsp;
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struct parameter_list *temp_list, *path;
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struct name_list *seen = NULL;
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preamble = strdup (" - free space:");
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output = strdup ("");
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details = strdup ("");
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perf = strdup ("");
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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mount_list = read_file_system_list (0);
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if (process_arguments (argc, argv) == ERROR)
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usage4 (_("Could not parse arguments"));
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/* If a list of paths has not been selected, find entire
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mount list and create list of paths
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*/
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if (path_selected == false) {
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for (me = mount_list; me; me = me->me_next) {
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if (! (path = np_find_parameter(path_select_list, me->me_mountdir))) {
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path = np_add_parameter(&path_select_list, me->me_mountdir);
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}
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path->best_match = me;
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path->group = group;
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set_all_thresholds(path);
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}
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}
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np_set_best_match(path_select_list, mount_list, exact_match);
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/* Error if no match found for specified paths */
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temp_list = path_select_list;
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while (temp_list) {
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if (! temp_list->best_match) {
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die (STATE_CRITICAL, _("DISK %s: %s not found\n"), _("CRITICAL"), temp_list->name);
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}
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temp_list = temp_list->name_next;
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}
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/* Process for every path in list */
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for (path = path_select_list; path; path=path->name_next) {
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if (verbose > 3 && path->freespace_percent->warning != NULL && path->freespace_percent->critical != NULL)
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printf("Thresholds(pct) for %s warn: %f crit %f\n",path->name, path->freespace_percent->warning->end,
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path->freespace_percent->critical->end);
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if (verbose > 3 && path->group != NULL)
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printf("Group of %s: %s\n",path->name,path->group);
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/* reset disk result */
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disk_result = STATE_UNKNOWN;
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me = path->best_match;
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/* Filters */
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/* Remove filesystems already seen */
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if (np_seen_name(seen, me->me_mountdir)) {
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continue;
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} else {
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if (path->group != NULL) {
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/* find all group members */
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fsp.fsu_blocksize = 0;
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fsp.fsu_blocks = 0;
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fsp.fsu_bfree = 0;
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fsp.fsu_bavail = 0;
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fsp.fsu_files = 0;
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fsp.fsu_ffree = 0;
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for (temp_list = path_select_list; temp_list; temp_list=temp_list->name_next) {
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if (temp_list->group && ! (strcmp(temp_list->group, path->group))) {
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get_fs_usage (temp_list->best_match->me_mountdir, temp_list->best_match->me_devname, &tmpfsp);
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/* possibly differing blocksizes if disks are grouped. Calculating average */
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fsp.fsu_blocksize = (fsp.fsu_blocksize * fsp.fsu_blocks + tmpfsp.fsu_blocksize * tmpfsp.fsu_blocks) / \
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(fsp.fsu_blocks + tmpfsp.fsu_blocks); /* Size of a block. */
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fsp.fsu_blocks += tmpfsp.fsu_blocks; /* Total blocks. */
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fsp.fsu_bfree += tmpfsp.fsu_bfree; /* Free blocks available to superuser. */
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fsp.fsu_bavail += tmpfsp.fsu_bavail; /* Free blocks available to non-superuser. */
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fsp.fsu_files += tmpfsp.fsu_files; /* Total file nodes. */
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fsp.fsu_ffree += tmpfsp.fsu_ffree; /* Free file nodes. */
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if (verbose > 3)
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printf("Group %s: add %llu blocks (%s) \n", path->group, tmpfsp.fsu_bavail, temp_list->name);
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// printf("Group %s: add %u blocks (%s)\n", temp_list->name); // path->group, tmpfsp.fsu_bavail, temp_list->name);
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np_add_name(&seen, temp_list->best_match->me_mountdir);
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}
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}
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/* modify devname and mountdir for output */
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me->me_mountdir = me->me_devname = path->group;
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} else
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np_add_name(&seen, me->me_mountdir);
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}
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if (path->group == NULL) {
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/* Skip remote filesystems if we're not interested in them */
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if (me->me_remote && show_local_fs) {
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continue;
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/* Skip pseudo fs's if we haven't asked for all fs's */
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} else if (me->me_dummy && !show_all_fs) {
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continue;
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/* Skip excluded fstypes */
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} else if (fs_exclude_list && np_find_name (fs_exclude_list, me->me_type)) {
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continue;
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/* Skip excluded fs's */
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} else if (dp_exclude_list &&
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(np_find_name (dp_exclude_list, me->me_devname) ||
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np_find_name (dp_exclude_list, me->me_mountdir))) {
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continue;
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}
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get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
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}
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if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
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total = fsp.fsu_blocks;
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available = fsp.fsu_bavail;
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available_to_root = fsp.fsu_bfree;
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used = total - available_to_root;
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dused_pct = calculate_percent( used, used + available ); /* used + available can never be > uintmax */
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dfree_pct = 100 - dused_pct;
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dused_units = used*fsp.fsu_blocksize/mult;
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dfree_units = available*fsp.fsu_blocksize/mult;
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dtotal_units = total*fsp.fsu_blocksize/mult;
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dused_inodes_percent = calculate_percent(fsp.fsu_files - fsp.fsu_ffree, fsp.fsu_files);
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dfree_inodes_percent = 100 - dused_inodes_percent;
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if (verbose >= 3) {
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printf ("For %s, used_pct=%g free_pct=%g used_units=%g free_units=%g total_units=%g used_inodes_pct=%g free_inodes_pct=%g\n",
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me->me_mountdir, dused_pct, dfree_pct, dused_units, dfree_units, dtotal_units, dused_inodes_percent, dfree_inodes_percent);
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}
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/* Threshold comparisons */
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temp_result = get_status(dfree_units, path->freespace_units);
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if (verbose >=3) printf("Freespace_units result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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temp_result = get_status(dfree_pct, path->freespace_percent);
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if (verbose >=3) printf("Freespace%% result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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temp_result = get_status(dused_units, path->usedspace_units);
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if (verbose >=3) printf("Usedspace_units result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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temp_result = get_status(dused_pct, path->usedspace_percent);
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if (verbose >=3) printf("Usedspace_percent result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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temp_result = get_status(dused_inodes_percent, path->usedinodes_percent);
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if (verbose >=3) printf("Usedinodes_percent result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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temp_result = get_status(dfree_inodes_percent, path->freeinodes_percent);
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if (verbose >=3) printf("Freeinodes_percent result=%d\n", temp_result);
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disk_result = max_state( disk_result, temp_result );
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result = max_state(result, disk_result);
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/* What a mess of units. The output shows free space, the perf data shows used space. Yikes!
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Hack here. Trying to get warn/crit levels from freespace_(units|percent) for perf
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data. Assumption that start=0. Roll on new syntax...
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*/
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/* *_high_tide must be reinitialized at each run */
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warning_high_tide = UINT_MAX;
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critical_high_tide = UINT_MAX;
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if (path->freespace_units->warning != NULL) {
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warning_high_tide = dtotal_units - path->freespace_units->warning->end;
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}
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if (path->freespace_percent->warning != NULL) {
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warning_high_tide = abs( min( (double) warning_high_tide, (double) (1.0 - path->freespace_percent->warning->end/100)*dtotal_units ));
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}
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if (path->freespace_units->critical != NULL) {
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critical_high_tide = dtotal_units - path->freespace_units->critical->end;
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}
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if (path->freespace_percent->critical != NULL) {
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critical_high_tide = abs( min( (double) critical_high_tide, (double) (1.0 - path->freespace_percent->critical->end/100)*dtotal_units ));
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}
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asprintf (&perf, "%s %s", perf,
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perfdata ((!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
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dused_units, units,
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(warning_high_tide != UINT_MAX ? TRUE : FALSE), warning_high_tide,
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(critical_high_tide != UINT_MAX ? TRUE : FALSE), critical_high_tide,
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TRUE, 0,
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TRUE, dtotal_units));
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if (disk_result==STATE_OK && erronly && !verbose)
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continue;
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if (disk_result!=STATE_OK || verbose>=0) {
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asprintf (&output, "%s %s %.0f %s (%.0f%%",
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output,
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(!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
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dfree_units,
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units,
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dfree_pct);
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if (dused_inodes_percent < 0) {
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asprintf(&output, "%s inode=-);", output);
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} else {
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asprintf(&output, "%s inode=%.0f%%);", output, dfree_inodes_percent );
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}
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}
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/* TODO: Need to do a similar debug line
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asprintf (&details, _("%s\n\
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%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
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details, dfree_units, dtotal_units, units, dfree_pct, inode_space_pct,
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me->me_devname, me->me_type, me->me_mountdir,
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(unsigned long)w_df, (unsigned long)c_df, w_dfp, c_dfp);
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*/
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}
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}
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if (verbose > 2)
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asprintf (&output, "%s%s", output, details);
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printf ("DISK %s%s%s|%s\n", state_text (result), (erronly && result==STATE_OK) ? "" : preamble, output, perf);
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return result;
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}
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double calculate_percent(uintmax_t value, uintmax_t total) {
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double pct = -1;
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/* I don't understand the below, but it is taken from coreutils' df */
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/* Seems to be calculating pct, in the best possible way */
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if (value <= TYPE_MAXIMUM(uintmax_t) / 100
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&& total != 0) {
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uintmax_t u100 = value * 100;
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pct = u100 / total + (u100 % total != 0);
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} else {
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/* Possible rounding errors - see coreutils' df for more explanation */
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double u = value;
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double t = total;
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if (t) {
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long int lipct = pct = u * 100 / t;
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double ipct = lipct;
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/* Like 'pct = ceil (dpct);', but without ceil - from coreutils again */
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if (ipct - 1 < pct && pct <= ipct + 1)
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pct = ipct + (ipct < pct);
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}
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}
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return pct;
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}
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|
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/* process command-line arguments */
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|
int
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process_arguments (int argc, char **argv)
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{
|
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int c, err;
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struct parameter_list *se, *se2;
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|
struct parameter_list *temp_list;
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struct parameter_list *temp_path_select_list = NULL;
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struct mount_entry *me;
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int result = OK;
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struct stat *stat_buf;
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regex_t re;
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int cflags = REG_NOSUB | REG_EXTENDED;
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char errbuf[MAX_INPUT_BUFFER];
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bool fnd = false;
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int option = 0;
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|
static struct option longopts[] = {
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{"timeout", required_argument, 0, 't'},
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{"warning", required_argument, 0, 'w'},
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{"critical", required_argument, 0, 'c'},
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{"iwarning", required_argument, 0, 'W'},
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/* Dang, -C is taken. We might want to reshuffle this. */
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|
{"icritical", required_argument, 0, 'K'},
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|
{"local", required_argument, 0, 'l'},
|
|
{"kilobytes", required_argument, 0, 'k'},
|
|
{"megabytes", required_argument, 0, 'm'},
|
|
{"units", required_argument, 0, 'u'},
|
|
{"path", required_argument, 0, 'p'},
|
|
{"partition", required_argument, 0, 'p'},
|
|
{"exclude_device", required_argument, 0, 'x'},
|
|
{"exclude-type", required_argument, 0, 'X'},
|
|
{"group", required_argument, 0, 'g'},
|
|
{"eregi-path", required_argument, 0, 'R'},
|
|
{"eregi-partition", required_argument, 0, 'R'},
|
|
{"ereg-path", required_argument, 0, 'r'},
|
|
{"ereg-partition", required_argument, 0, 'r'},
|
|
{"mountpoint", no_argument, 0, 'M'},
|
|
{"errors-only", no_argument, 0, 'e'},
|
|
{"exact-match", no_argument, 0, 'E'},
|
|
{"verbose", no_argument, 0, 'v'},
|
|
{"quiet", no_argument, 0, 'q'},
|
|
{"clear", no_argument, 0, 'C'},
|
|
{"version", no_argument, 0, 'V'},
|
|
{"help", no_argument, 0, 'h'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
if (argc < 2)
|
|
return ERROR;
|
|
|
|
np_add_name(&fs_exclude_list, "iso9660");
|
|
|
|
for (c = 1; c < argc; c++)
|
|
if (strcmp ("-to", argv[c]) == 0)
|
|
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);
|
|
|
|
if (c == -1 || c == EOF)
|
|
break;
|
|
|
|
switch (c) {
|
|
case 't': /* timeout period */
|
|
if (is_integer (optarg)) {
|
|
timeout_interval = atoi (optarg);
|
|
break;
|
|
}
|
|
else {
|
|
usage2 (_("Timeout interval must be a positive integer"), optarg);
|
|
}
|
|
|
|
/* See comments for 'c' */
|
|
case 'w': /* warning threshold */
|
|
if (strstr(optarg, "%")) {
|
|
if (*optarg == '@') {
|
|
warn_freespace_percent = optarg;
|
|
} else {
|
|
asprintf(&warn_freespace_percent, "@%s", optarg);
|
|
}
|
|
} else {
|
|
if (*optarg == '@') {
|
|
warn_freespace_units = optarg;
|
|
} else {
|
|
asprintf(&warn_freespace_units, "@%s", optarg);
|
|
}
|
|
}
|
|
break;
|
|
|
|
/* Awful mistake where the range values do not make sense. Normally,
|
|
you alert if the value is within the range, but since we are using
|
|
freespace, we have to alert if outside the range. Thus we artifically
|
|
force @ at the beginning of the range, so that it is backwards compatible
|
|
*/
|
|
case 'c': /* critical threshold */
|
|
if (strstr(optarg, "%")) {
|
|
if (*optarg == '@') {
|
|
crit_freespace_percent = optarg;
|
|
} else {
|
|
asprintf(&crit_freespace_percent, "@%s", optarg);
|
|
}
|
|
} else {
|
|
if (*optarg == '@') {
|
|
crit_freespace_units = optarg;
|
|
} else {
|
|
asprintf(&crit_freespace_units, "@%s", optarg);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 'W': /* warning inode threshold */
|
|
if (*optarg == '@') {
|
|
warn_freeinodes_percent = optarg;
|
|
} else {
|
|
asprintf(&warn_freeinodes_percent, "@%s", optarg);
|
|
}
|
|
break;
|
|
case 'K': /* critical inode threshold */
|
|
if (*optarg == '@') {
|
|
crit_freeinodes_percent = optarg;
|
|
} else {
|
|
asprintf(&crit_freeinodes_percent, "@%s", optarg);
|
|
}
|
|
break;
|
|
case 'u':
|
|
if (units)
|
|
free(units);
|
|
if (! strcmp (optarg, "bytes")) {
|
|
mult = (uintmax_t)1;
|
|
units = strdup ("B");
|
|
} else if (! strcmp (optarg, "kB")) {
|
|
mult = (uintmax_t)1024;
|
|
units = strdup ("kB");
|
|
} else if (! strcmp (optarg, "MB")) {
|
|
mult = (uintmax_t)1024 * 1024;
|
|
units = strdup ("MB");
|
|
} else if (! strcmp (optarg, "GB")) {
|
|
mult = (uintmax_t)1024 * 1024 * 1024;
|
|
units = strdup ("GB");
|
|
} else if (! strcmp (optarg, "TB")) {
|
|
mult = (uintmax_t)1024 * 1024 * 1024 * 1024;
|
|
units = strdup ("TB");
|
|
} else {
|
|
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;
|
|
if (units)
|
|
free(units);
|
|
units = strdup ("kB");
|
|
break;
|
|
case 'm': /* display mountpoint */
|
|
mult = 1024 * 1024;
|
|
if (units)
|
|
free(units);
|
|
units = strdup ("MB");
|
|
break;
|
|
case 'l':
|
|
show_local_fs = 1;
|
|
break;
|
|
case 'p': /* select path */
|
|
if (! (warn_freespace_units || crit_freespace_units || warn_freespace_percent ||
|
|
crit_freespace_percent || warn_usedspace_units || crit_usedspace_units ||
|
|
warn_usedspace_percent || crit_usedspace_percent || warn_usedinodes_percent ||
|
|
crit_usedinodes_percent || warn_freeinodes_percent || crit_freeinodes_percent )) {
|
|
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;
|
|
break;
|
|
case 'x': /* exclude path or partition */
|
|
np_add_name(&dp_exclude_list, optarg);
|
|
break;
|
|
case 'X': /* exclude file system type */
|
|
np_add_name(&fs_exclude_list, optarg);
|
|
break;
|
|
case 'v': /* verbose */
|
|
verbose++;
|
|
break;
|
|
case 'q': /* verbose */
|
|
verbose--;
|
|
break;
|
|
case 'e':
|
|
erronly = TRUE;
|
|
break;
|
|
case 'E':
|
|
exact_match = TRUE;
|
|
break;
|
|
case 'g':
|
|
if (path_selected)
|
|
die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set group value before using -p\n"));
|
|
group = optarg;
|
|
break;
|
|
case 'R':
|
|
cflags |= REG_ICASE;
|
|
case 'r':
|
|
if (! (warn_freespace_units || crit_freespace_units || warn_freespace_percent ||
|
|
crit_freespace_percent || warn_usedspace_units || crit_usedspace_units ||
|
|
warn_usedspace_percent || crit_usedspace_percent || warn_usedinodes_percent ||
|
|
crit_usedinodes_percent || warn_freeinodes_percent || crit_freeinodes_percent )) {
|
|
die (STATE_UNKNOWN, "DISK %s: %s", _("UNKNOWN"), _("Must set a threshold value before using -r/-R\n"));
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
for (me = mount_list; me; me = me->me_next) {
|
|
if (np_regex_match_mount_entry(me, &re)) {
|
|
fnd = true;
|
|
if (verbose > 3)
|
|
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))) {
|
|
se = np_add_parameter(&path_select_list, me->me_mountdir);
|
|
}
|
|
se->group = group;
|
|
set_all_thresholds(se);
|
|
}
|
|
}
|
|
|
|
if (!fnd)
|
|
die (STATE_UNKNOWN, "DISK %s: %s - %s\n",_("UNKNOWN"),
|
|
_("Regular expression did not match any path or disk"), optarg);
|
|
|
|
fnd = false;
|
|
path_selected = true;
|
|
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) {
|
|
struct mount_entry *me;
|
|
struct parameter_list *path;
|
|
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);
|
|
path->best_match = me;
|
|
path->group = group;
|
|
set_all_thresholds(path);
|
|
}
|
|
}
|
|
warn_freespace_units = NULL;
|
|
crit_freespace_units = NULL;
|
|
warn_usedspace_units = NULL;
|
|
crit_usedspace_units = NULL;
|
|
warn_freespace_percent = NULL;
|
|
crit_freespace_percent = NULL;
|
|
warn_usedspace_percent = NULL;
|
|
crit_usedspace_percent = NULL;
|
|
warn_usedinodes_percent = NULL;
|
|
crit_usedinodes_percent = NULL;
|
|
warn_freeinodes_percent = NULL;
|
|
crit_freeinodes_percent = NULL;
|
|
|
|
path_selected = false;
|
|
group = NULL;
|
|
break;
|
|
case 'V': /* version */
|
|
print_revision (progname, revision);
|
|
exit (STATE_OK);
|
|
case 'h': /* help */
|
|
print_help ();
|
|
exit (STATE_OK);
|
|
case '?': /* help */
|
|
usage (_("Unknown argument"));
|
|
}
|
|
}
|
|
|
|
/* Support for "check_disk warn crit [fs]" with thresholds at used% level */
|
|
c = optind;
|
|
if (warn_usedspace_percent == NULL && argc > c && is_intnonneg (argv[c]))
|
|
warn_usedspace_percent = argv[c++];
|
|
|
|
if (crit_usedspace_percent == NULL && argc > c && is_intnonneg (argv[c]))
|
|
crit_usedspace_percent = argv[c++];
|
|
|
|
if (argc > c && path == NULL) {
|
|
se = np_add_parameter(&path_select_list, strdup(argv[c++]));
|
|
set_all_thresholds(se);
|
|
}
|
|
|
|
if (units == NULL) {
|
|
units = strdup ("MB");
|
|
mult = (uintmax_t)1024 * 1024;
|
|
}
|
|
|
|
if (path_select_list) {
|
|
temp_list = path_select_list;
|
|
stat_buf = malloc(sizeof *stat_buf);
|
|
while (temp_list) {
|
|
/* Stat each entry to check that dir exists */
|
|
if (stat (temp_list->name, &stat_buf[0])) {
|
|
printf("DISK %s - ", _("CRITICAL"));
|
|
die (STATE_CRITICAL, _("%s does not exist\n"), temp_list->name);
|
|
}
|
|
/* if (validate_arguments (temp_list->w_df,
|
|
temp_list->c_df,
|
|
temp_list->w_dfp,
|
|
temp_list->c_dfp,
|
|
temp_list->w_idfp,
|
|
temp_list->c_idfp,
|
|
temp_list->name) == ERROR)
|
|
result = ERROR;
|
|
*/
|
|
temp_list = temp_list->name_next;
|
|
}
|
|
free(stat_buf);
|
|
return result;
|
|
} else {
|
|
return TRUE;
|
|
/* return validate_arguments (w_df, c_df, w_dfp, c_dfp, w_idfp, c_idfp, NULL); */
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
print_path (const char *mypath)
|
|
{
|
|
if (mypath == NULL)
|
|
printf ("\n");
|
|
else
|
|
printf (_(" for %s\n"), mypath);
|
|
}
|
|
|
|
|
|
void
|
|
set_all_thresholds (struct parameter_list *path)
|
|
{
|
|
set_thresholds(&path->freespace_units, warn_freespace_units, crit_freespace_units);
|
|
set_thresholds(&path->freespace_percent, warn_freespace_percent, crit_freespace_percent);
|
|
set_thresholds(&path->usedspace_units, warn_usedspace_units, crit_usedspace_units);
|
|
set_thresholds(&path->usedspace_percent, warn_usedspace_percent, crit_usedspace_percent);
|
|
set_thresholds(&path->usedinodes_percent, warn_usedinodes_percent, crit_usedinodes_percent);
|
|
set_thresholds(&path->freeinodes_percent, warn_freeinodes_percent, crit_freeinodes_percent);
|
|
}
|
|
|
|
/* TODO: Remove?
|
|
|
|
int
|
|
validate_arguments (uintmax_t w, uintmax_t c, double wp, double cp, double iwp, double icp, char *mypath)
|
|
{
|
|
if (w < 0 && c < 0 && wp < 0.0 && cp < 0.0) {
|
|
printf (_("INPUT ERROR: No thresholds specified"));
|
|
print_path (mypath);
|
|
return ERROR;
|
|
}
|
|
else if ((wp >= 0.0 || cp >= 0.0) &&
|
|
(wp < 0.0 || cp < 0.0 || wp > 100.0 || cp > 100.0 || cp > wp)) {
|
|
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 (mypath);
|
|
return ERROR;
|
|
}
|
|
else if ((iwp >= 0.0 || icp >= 0.0) &&
|
|
(iwp < 0.0 || icp < 0.0 || iwp > 100.0 || icp > 100.0 || icp > iwp)) {
|
|
printf (_("\
|
|
INPUT ERROR: C_IDFP (%f) should be less than W_IDFP (%.1f) and both should be between zero and 100 percent, inclusive"),
|
|
icp, iwp);
|
|
print_path (mypath);
|
|
return ERROR;
|
|
}
|
|
else if ((w > 0 || c > 0) && (w == 0 || c == 0 || c > w)) {
|
|
printf (_("\
|
|
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;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
print_help (void)
|
|
{
|
|
print_revision (progname, revision);
|
|
|
|
printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
|
|
printf (COPYRIGHT, copyright, email);
|
|
|
|
printf ("%s\n", _("This plugin checks the amount of used disk space on a mounted file system"));
|
|
printf ("%s\n", _("and generates an alert if free space is less than one of the threshold values"));
|
|
|
|
printf ("\n\n");
|
|
|
|
print_usage ();
|
|
|
|
printf (_(UT_HELP_VRSN));
|
|
|
|
printf (" %s\n", "-w, --warning=INTEGER");
|
|
printf (" %s\n", _("Exit with WARNING status if less than INTEGER units of disk are free"));
|
|
printf (" %s\n", "-w, --warning=PERCENT%");
|
|
printf (" %s\n", _("Exit with WARNING status if less than PERCENT of disk space is free"));
|
|
printf (" %s\n", "-W, --iwarning=PERCENT%");
|
|
printf (" %s\n", _("Exit with WARNING status if less than PERCENT of inode space is free"));
|
|
printf (" %s\n", "-K, --icritical=PERCENT%");
|
|
printf (" %s\n", _("Exit with CRITICAL status if less than PERCENT of inode space is free"));
|
|
printf (" %s\n", "-c, --critical=INTEGER");
|
|
printf (" %s\n", _("Exit with CRITICAL status if less than INTEGER units of disk are free"));
|
|
printf (" %s\n", "-c, --critical=PERCENT%");
|
|
printf (" %s\n", _("Exit with CRITCAL status if less than PERCENT of disk space is free"));
|
|
printf (" %s\n", "-C, --clear");
|
|
printf (" %s\n", _("Clear thresholds"));
|
|
printf (" %s\n", "-u, --units=STRING");
|
|
printf (" %s\n", _("Choose bytes, kB, MB, GB, TB (default: MB)"));
|
|
printf (" %s\n", "-k, --kilobytes");
|
|
printf (" %s\n", _("Same as '--units kB'"));
|
|
printf (" %s\n", "-m, --megabytes");
|
|
printf (" %s\n", _("Same as '--units MB'"));
|
|
printf (" %s\n", "-l, --local");
|
|
printf (" %s\n", _("Only check local filesystems"));
|
|
printf (" %s\n", "-p, --path=PATH, --partition=PARTITION");
|
|
printf (" %s\n", _("Path or 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", "-R, --eregi-path=PATH, --eregi-partition=PARTITION");
|
|
printf (" %s\n", _("Case insensitive regular expression for path/partition (may be repeated)"));
|
|
printf (" %s\n", "-g, --group=NAME");
|
|
printf (" %s\n", _("Group pathes. Thresholds apply to (free-)space of all partitions together"));
|
|
printf (" %s\n", "-x, --exclude_device=PATH <STRING>");
|
|
printf (" %s\n", _("Ignore device (only works if -p unspecified)"));
|
|
printf (" %s\n", "-X, --exclude-type=TYPE <STRING>");
|
|
printf (" %s\n", _("Ignore all filesystems of indicated type (may be repeated)"));
|
|
printf (" %s\n", "-M, --mountpoint");
|
|
printf (" %s\n", _("Display the mountpoint instead of the partition"));
|
|
printf (" %s\n", "-E, --exact-match");
|
|
printf (" %s\n", _("For paths or partitions specified with -p, only check for exact paths"));
|
|
printf (" %s\n", "-e, --errors-only");
|
|
printf (" %s\n", _("Display only devices/mountpoints with errors"));
|
|
printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
|
|
printf (_(UT_VERBOSE));
|
|
printf ("\n");
|
|
printf ("%s\n", _("Examples:"));
|
|
printf (" %s\n", "check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /");
|
|
printf (" %s\n", _("Checks /tmp and /var at 10% and 5%, and / at 100MB and 50MB"));
|
|
printf (_(UT_SUPPORT));
|
|
}
|
|
|
|
|
|
|
|
void
|
|
print_usage (void)
|
|
{
|
|
printf (_("Usage:"));
|
|
printf (" %s -w limit -c limit [-p path | -x device] [-t timeout]", progname);
|
|
printf ("[-m] [-e] [-W limit] [-K limit] [-v] [-q] [-E]\n");
|
|
}
|