diff options
Diffstat (limited to 'plugins/check_disk.c')
-rw-r--r-- | plugins/check_disk.c | 233 |
1 files changed, 149 insertions, 84 deletions
diff --git a/plugins/check_disk.c b/plugins/check_disk.c index e73a0083..54befcad 100644 --- a/plugins/check_disk.c +++ b/plugins/check_disk.c @@ -1,29 +1,29 @@ /***************************************************************************** -* +* * Monitoring check_disk plugin -* +* * License: GPL * Copyright (c) 1999-2008 Monitoring Plugins Development Team -* +* * Description: -* +* * This file contains the check_disk plugin -* -* +* +* * 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 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, see <http://www.gnu.org/licenses/>. -* -* +* +* *****************************************************************************/ const char *progname = "check_disk"; @@ -46,7 +46,7 @@ const char *email = "devel@monitoring-plugins.org"; #include <stdarg.h> #include "fsusage.h" #include "mountlist.h" -#include "intprops.h" /* necessary for TYPE_MAXIMUM */ +#include "intprops.h" /* necessary for TYPE_MAXIMUM */ #if HAVE_LIMITS_H # include <limits.h> #endif @@ -141,6 +141,7 @@ int erronly = FALSE; int display_mntp = FALSE; int exact_match = FALSE; int freespace_ignore_reserved = FALSE; +int display_inodes_perfdata = FALSE; char *warn_freespace_units = NULL; char *crit_freespace_units = NULL; char *warn_freespace_percent = NULL; @@ -167,11 +168,10 @@ main (int argc, char **argv) char *output; char *details; char *perf; + char *perf_ilabel; char *preamble; char *flag_header; double inode_space_pct; - double warning_high_tide; - double critical_high_tide; int temp_result; struct mount_entry *me; @@ -186,6 +186,7 @@ main (int argc, char **argv) output = strdup (""); details = strdup (""); perf = strdup (""); + perf_ilabel = strdup (""); stat_buf = malloc(sizeof *stat_buf); setlocale (LC_ALL, ""); @@ -242,17 +243,17 @@ main (int argc, char **argv) #ifdef __CYGWIN__ if (strncmp(path->name, "/cygdrive/", 10) != 0 || strlen(path->name) > 11) - continue; + continue; snprintf(mountdir, sizeof(mountdir), "%s:\\", me->me_mountdir + 10); if (GetDriveType(mountdir) != DRIVE_FIXED) - me->me_remote = 1; + me->me_remote = 1; #endif /* Filters */ /* Remove filesystems already seen */ if (np_seen_name(seen, me->me_mountdir)) { continue; - } + } np_add_name(&seen, me->me_mountdir); if (path->group == NULL) { @@ -285,8 +286,17 @@ main (int argc, char **argv) get_stats (path, &fsp); if (verbose >= 3) { - 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 fsp.fsu_blocksize=%llu mult=%llu\n", - me->me_mountdir, path->dused_pct, path->dfree_pct, path->dused_units, path->dfree_units, path->dtotal_units, path->dused_inodes_percent, path->dfree_inodes_percent, fsp.fsu_blocksize, mult); + printf ("For %s, used_pct=%g free_pct=%g used_units=%llu free_units=%llu total_units=%llu used_inodes_pct=%g free_inodes_pct=%g fsp.fsu_blocksize=%llu mult=%llu\n", + me->me_mountdir, + path->dused_pct, + path->dfree_pct, + path->dused_units, + path->dfree_units, + path->dtotal_units, + path->dused_inodes_percent, + path->dfree_inodes_percent, + fsp.fsu_blocksize, + mult); } /* Threshold comparisons */ @@ -323,54 +333,79 @@ main (int argc, char **argv) */ /* *_high_tide must be reinitialized at each run */ - warning_high_tide = UINT_MAX; - critical_high_tide = UINT_MAX; + uint64_t warning_high_tide = UINT64_MAX; if (path->freespace_units->warning != NULL) { - warning_high_tide = path->dtotal_units - path->freespace_units->warning->end; + warning_high_tide = (path->dtotal_units - path->freespace_units->warning->end) * mult; } if (path->freespace_percent->warning != NULL) { - warning_high_tide = abs( min( (double) warning_high_tide, (double) (1.0 - path->freespace_percent->warning->end/100)*path->dtotal_units )); + warning_high_tide = min( warning_high_tide, (uint64_t)((1.0 - path->freespace_percent->warning->end/100) * (path->dtotal_units * mult)) ); } + + uint64_t critical_high_tide = UINT64_MAX; + if (path->freespace_units->critical != NULL) { - critical_high_tide = path->dtotal_units - path->freespace_units->critical->end; + critical_high_tide = (path->dtotal_units - path->freespace_units->critical->end) * mult; } if (path->freespace_percent->critical != NULL) { - critical_high_tide = abs( min( (double) critical_high_tide, (double) (1.0 - path->freespace_percent->critical->end/100)*path->dtotal_units )); + critical_high_tide = min( critical_high_tide, (uint64_t)((1.0 - path->freespace_percent->critical->end/100) * (path->dtotal_units * mult)) ); } - /* Nb: *_high_tide are unset when == UINT_MAX */ + /* Nb: *_high_tide are unset when == UINT64_MAX */ xasprintf (&perf, "%s %s", perf, - perfdata ((!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir, - path->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, path->dtotal_units)); + perfdata_uint64 ( + (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir, + path->dused_units * mult, "B", + (warning_high_tide == UINT64_MAX ? FALSE : TRUE), warning_high_tide, + (critical_high_tide == UINT64_MAX ? FALSE : TRUE), critical_high_tide, + TRUE, 0, + TRUE, path->dtotal_units * mult)); + + if (display_inodes_perfdata) { + /* *_high_tide must be reinitialized at each run */ + warning_high_tide = UINT64_MAX; + critical_high_tide = UINT64_MAX; + + if (path->freeinodes_percent->warning != NULL) { + warning_high_tide = llabs( min( (double) warning_high_tide, (double) (1.0 - path->freeinodes_percent->warning->end/100)*path->inodes_total )); + } + if (path->freeinodes_percent->critical != NULL) { + critical_high_tide = llabs( min( (double) critical_high_tide, (double) (1.0 - path->freeinodes_percent->critical->end/100)*path->inodes_total )); + } + + xasprintf (&perf_ilabel, "%s (inodes)", (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir); + /* Nb: *_high_tide are unset when == UINT64_MAX */ + xasprintf (&perf, "%s %s", perf, + perfdata_uint64 (perf_ilabel, + path->inodes_used, "", + (warning_high_tide != UINT64_MAX ? TRUE : FALSE), warning_high_tide, + (critical_high_tide != UINT64_MAX ? TRUE : FALSE), critical_high_tide, + TRUE, 0, + TRUE, path->inodes_total)); + } if (disk_result==STATE_OK && erronly && !verbose) continue; - if(disk_result && verbose >= 1) { - xasprintf(&flag_header, " %s [", state_text (disk_result)); - } else { - xasprintf(&flag_header, ""); - } - xasprintf (&output, "%s%s %s %.0f %s (%.0f%%", - output, flag_header, - (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir, - path->dfree_units, - units, - path->dfree_pct); - if (path->dused_inodes_percent < 0) { - xasprintf(&output, "%s inode=-)%s;", output, (disk_result ? "]" : "")); - } else { - xasprintf(&output, "%s inode=%.0f%%)%s;", output, path->dfree_inodes_percent, ((disk_result && verbose >= 1) ? "]" : "")); - } + if(disk_result && verbose >= 1) { + xasprintf(&flag_header, " %s [", state_text (disk_result)); + } else { + xasprintf(&flag_header, ""); + } + xasprintf (&output, "%s%s %s %llu%s (%.0f%%", + output, flag_header, + (!strcmp(me->me_mountdir, "none") || display_mntp) ? me->me_devname : me->me_mountdir, + path->dfree_units, + units, + path->dfree_pct); + if (path->dused_inodes_percent < 0) { + xasprintf(&output, "%s inode=-)%s;", output, (disk_result ? "]" : "")); + } else { + xasprintf(&output, "%s inode=%.0f%%)%s;", output, path->dfree_inodes_percent, ((disk_result && verbose >= 1) ? "]" : "")); + } free(flag_header); /* TODO: Need to do a similar debug line - xasprintf (&details, _("%s\n\ -%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"), + xasprintf (&details, _("%s\n\%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"), details, dfree_units, dtotal_units, units, dfree_pct, inode_space_pct, me->me_devname, me->me_type, me->me_mountdir, (unsigned long)w_df, (unsigned long)c_df, w_dfp, c_dfp); @@ -455,6 +490,7 @@ process_arguments (int argc, char **argv) {"ignore-eregi-partition", required_argument, 0, 'I'}, {"local", no_argument, 0, 'l'}, {"stat-remote-fs", no_argument, 0, 'L'}, + {"iperfdata", no_argument, 0, 'P'}, {"mountpoint", no_argument, 0, 'M'}, {"errors-only", no_argument, 0, 'e'}, {"exact-match", no_argument, 0, 'E'}, @@ -477,7 +513,7 @@ process_arguments (int argc, char **argv) strcpy (argv[c], "-t"); while (1) { - c = getopt_long (argc, argv, "+?VqhvefCt:c:w:K:W:u:p:x:X:N:mklLg:R:r:i:I:MEA", longopts, &option); + c = getopt_long (argc, argv, "+?VqhvefCt:c:w:K:W:u:p:x:X:N:mklLPg:R:r:i:I:MEA", longopts, &option); if (c == -1 || c == EOF) break; @@ -530,14 +566,14 @@ process_arguments (int argc, char **argv) } break; - case 'W': /* warning inode threshold */ + case 'W': /* warning inode threshold */ if (*optarg == '@') { warn_freeinodes_percent = optarg; } else { xasprintf(&warn_freeinodes_percent, "@%s", optarg); } break; - case 'K': /* critical inode threshold */ + case 'K': /* critical inode threshold */ if (*optarg == '@') { crit_freeinodes_percent = optarg; } else { @@ -547,21 +583,24 @@ process_arguments (int argc, char **argv) case 'u': if (units) free(units); - if (! strcmp (optarg, "bytes")) { + if (! strcasecmp (optarg, "bytes")) { mult = (uintmax_t)1; units = strdup ("B"); - } else if (! strcmp (optarg, "kB")) { + } else if ( (! strcmp (optarg, "kB")) || (!strcmp(optarg, "KiB")) ) { mult = (uintmax_t)1024; - units = strdup ("kB"); - } else if (! strcmp (optarg, "MB")) { + units = strdup ("kiB"); + } else if ( (! strcmp (optarg, "MB")) || (!strcmp(optarg, "MiB")) ) { mult = (uintmax_t)1024 * 1024; - units = strdup ("MB"); - } else if (! strcmp (optarg, "GB")) { + units = strdup ("MiB"); + } else if ( (! strcmp (optarg, "GB")) || (!strcmp(optarg, "GiB")) ) { mult = (uintmax_t)1024 * 1024 * 1024; - units = strdup ("GB"); - } else if (! strcmp (optarg, "TB")) { + units = strdup ("GiB"); + } else if ( (! strcmp (optarg, "TB")) || (!strcmp(optarg, "TiB")) ) { mult = (uintmax_t)1024 * 1024 * 1024 * 1024; - units = strdup ("TB"); + units = strdup ("TiB"); + } else if ( (! strcmp (optarg, "PB")) || (!strcmp(optarg, "PiB")) ) { + mult = (uintmax_t)1024 * 1024 * 1024 * 1024 * 1024; + units = strdup ("PiB"); } else { die (STATE_UNKNOWN, _("unit type %s not known\n"), optarg); } @@ -572,19 +611,23 @@ process_arguments (int argc, char **argv) mult = 1024; if (units) free(units); - units = strdup ("kB"); + units = strdup ("kiB"); break; case 'm': /* display mountpoint */ mult = 1024 * 1024; if (units) free(units); - units = strdup ("MB"); + units = strdup ("MiB"); break; case 'L': stat_remote_fs = 1; + /* fallthrough */ case 'l': show_local_fs = 1; break; + case 'P': + display_inodes_perfdata = 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 || @@ -781,7 +824,7 @@ process_arguments (int argc, char **argv) } if (units == NULL) { - units = strdup ("MB"); + units = strdup ("MiB"); mult = (uintmax_t)1024 * 1024; } @@ -904,6 +947,8 @@ print_help (void) printf (" %s\n", _("Display only devices/mountpoints with errors")); printf (" %s\n", "-f, --freespace-ignore-reserved"); printf (" %s\n", _("Don't account root-reserved blocks into freespace in perfdata")); + printf (" %s\n", "-P, --iperfdata"); + printf (" %s\n", _("Display inode usage in perfdata")); printf (" %s\n", "-g, --group=NAME"); printf (" %s\n", _("Group paths. Thresholds apply to (free-)space of all partitions together")); printf (" %s\n", "-k, --kilobytes"); @@ -993,50 +1038,59 @@ get_stats (struct parameter_list *p, struct fs_usage *fsp) { if (p_list->group && ! (strcmp(p_list->group, p->group))) { stat_path(p_list); get_fs_usage (p_list->best_match->me_mountdir, p_list->best_match->me_devname, &tmpfsp); - get_path_stats(p_list, &tmpfsp); + get_path_stats(p_list, &tmpfsp); if (verbose >= 3) - printf("Group %s: adding %llu blocks sized %llu, (%s) used_units=%g free_units=%g total_units=%g fsu_blocksize=%llu mult=%llu\n", - p_list->group, tmpfsp.fsu_bavail, tmpfsp.fsu_blocksize, p_list->best_match->me_mountdir, p_list->dused_units, p_list->dfree_units, - p_list->dtotal_units, mult); - - /* prevent counting the first FS of a group twice since its parameter_list entry + printf("Group %s: adding %llu blocks sized %llu, (%s) used_units=%lu free_units=%llu total_units=%llu mult=%llu\n", + p_list->group, + tmpfsp.fsu_blocks, + tmpfsp.fsu_blocksize, + p_list->best_match->me_mountdir, + p_list->dused_units, + p_list->dfree_units, + p_list->dtotal_units, + mult); + + /* prevent counting the first FS of a group twice since its parameter_list entry * is used to carry the information of all file systems of the entire group */ if (! first) { p->total += p_list->total; p->available += p_list->available; p->available_to_root += p_list->available_to_root; p->used += p_list->used; - + p->dused_units += p_list->dused_units; p->dfree_units += p_list->dfree_units; p->dtotal_units += p_list->dtotal_units; p->inodes_total += p_list->inodes_total; p->inodes_free += p_list->inodes_free; + p->inodes_free_to_root += p_list->inodes_free_to_root; + p->inodes_used += p_list->inodes_used; } first = 0; } - if (verbose >= 3) - printf("Group %s now has: used_units=%g free_units=%g total_units=%g fsu_blocksize=%llu mult=%llu\n", - p->group, tmpfsp.fsu_bavail, tmpfsp.fsu_blocksize, p->best_match->me_mountdir, p->dused_units, - p->dfree_units, p->dtotal_units, mult); + if (verbose >= 3) + printf("Group %s now has: used_units=%llu free_units=%llu total_units=%llu fsu_blocksize=%llu mult=%llu\n", + p->group, + p->dused_units, + p->dfree_units, + p->dtotal_units, + tmpfsp.fsu_blocksize, + mult); } /* modify devname and mountdir for output */ p->best_match->me_mountdir = p->best_match->me_devname = p->group; } /* finally calculate percentages for either plain FS or summed up group */ - p->dused_pct = calculate_percent( p->used, p->used + p->available ); /* used + available can never be > uintmax */ + p->dused_pct = calculate_percent( p->used, p->used + p->available ); /* used + available can never be > uintmax */ p->dfree_pct = 100 - p->dused_pct; p->dused_inodes_percent = calculate_percent(p->inodes_total - p->inodes_free, p->inodes_total); p->dfree_inodes_percent = 100 - p->dused_inodes_percent; - + } void get_path_stats (struct parameter_list *p, struct fs_usage *fsp) { - /* 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) */ - p->available = fsp->fsu_bavail > fsp->fsu_bfree ? 0 : fsp->fsu_bavail; + p->available = fsp->fsu_bavail; p->available_to_root = fsp->fsu_bfree; p->used = fsp->fsu_blocks - fsp->fsu_bfree; if (freespace_ignore_reserved) { @@ -1046,11 +1100,22 @@ get_path_stats (struct parameter_list *p, struct fs_usage *fsp) { /* default behaviour : take all the blocks into account */ p->total = fsp->fsu_blocks; } - + p->dused_units = p->used*fsp->fsu_blocksize/mult; p->dfree_units = p->available*fsp->fsu_blocksize/mult; p->dtotal_units = p->total*fsp->fsu_blocksize/mult; - p->inodes_total = fsp->fsu_files; /* Total file nodes. */ - p->inodes_free = fsp->fsu_ffree; /* Free file nodes. */ + /* Free file nodes. Not sure the workaround is required, but in case...*/ + p->inodes_free = fsp->fsu_favail > fsp->fsu_ffree ? 0 : fsp->fsu_favail; + p->inodes_free_to_root = fsp->fsu_ffree; /* Free file nodes for root. */ + p->inodes_used = fsp->fsu_files - fsp->fsu_ffree; + if (freespace_ignore_reserved) { + /* option activated : we substract the root-reserved inodes from the total */ + /* not all OS report fsp->fsu_favail, only the ones with statvfs syscall */ + /* for others, fsp->fsu_ffree == fsp->fsu_favail */ + p->inodes_total = fsp->fsu_files - p->inodes_free_to_root + p->inodes_free; + } else { + /* default behaviour : take all the inodes into account */ + p->inodes_total = fsp->fsu_files; + } np_add_name(&seen, p->best_match->me_mountdir); } |