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-rw-r--r--plugins/check_disk.c118
1 files changed, 94 insertions, 24 deletions
diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 935acce..a99f35e 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -112,11 +112,12 @@ enum
112{ 112{
113 SYNC_OPTION = CHAR_MAX + 1, 113 SYNC_OPTION = CHAR_MAX + 1,
114 NO_SYNC_OPTION, 114 NO_SYNC_OPTION,
115 BLOCK_SIZE_OPTION 115 BLOCK_SIZE_OPTION,
116 IGNORE_MISSING
116}; 117};
117 118
118#ifdef _AIX 119#ifdef _AIX
119 #pragma alloca 120#pragma alloca
120#endif 121#endif
121 122
122int process_arguments (int, char **); 123int process_arguments (int, char **);
@@ -126,7 +127,7 @@ int validate_arguments (uintmax_t, uintmax_t, double, double, double, double, ch
126void print_help (void); 127void print_help (void);
127void print_usage (void); 128void print_usage (void);
128double calculate_percent(uintmax_t, uintmax_t); 129double calculate_percent(uintmax_t, uintmax_t);
129void stat_path (struct parameter_list *p); 130bool stat_path (struct parameter_list *p);
130void get_stats (struct parameter_list *p, struct fs_usage *fsp); 131void get_stats (struct parameter_list *p, struct fs_usage *fsp);
131void get_path_stats (struct parameter_list *p, struct fs_usage *fsp); 132void get_path_stats (struct parameter_list *p, struct fs_usage *fsp);
132 133
@@ -140,6 +141,7 @@ int verbose = 0;
140int erronly = FALSE; 141int erronly = FALSE;
141int display_mntp = FALSE; 142int display_mntp = FALSE;
142int exact_match = FALSE; 143int exact_match = FALSE;
144bool ignore_missing = false;
143int freespace_ignore_reserved = FALSE; 145int freespace_ignore_reserved = FALSE;
144int display_inodes_perfdata = FALSE; 146int display_inodes_perfdata = FALSE;
145char *warn_freespace_units = NULL; 147char *warn_freespace_units = NULL;
@@ -155,6 +157,7 @@ char *crit_usedinodes_percent = NULL;
155char *warn_freeinodes_percent = NULL; 157char *warn_freeinodes_percent = NULL;
156char *crit_freeinodes_percent = NULL; 158char *crit_freeinodes_percent = NULL;
157int path_selected = FALSE; 159int path_selected = FALSE;
160bool path_ignored = false;
158char *group = NULL; 161char *group = NULL;
159struct stat *stat_buf; 162struct stat *stat_buf;
160struct name_list *seen = NULL; 163struct name_list *seen = NULL;
@@ -166,10 +169,12 @@ main (int argc, char **argv)
166 int result = STATE_UNKNOWN; 169 int result = STATE_UNKNOWN;
167 int disk_result = STATE_UNKNOWN; 170 int disk_result = STATE_UNKNOWN;
168 char *output; 171 char *output;
172 char *ignored;
169 char *details; 173 char *details;
170 char *perf; 174 char *perf;
171 char *perf_ilabel; 175 char *perf_ilabel;
172 char *preamble; 176 char *preamble = " - free space:";
177 char *ignored_preamble = " - ignored paths:";
173 char *flag_header; 178 char *flag_header;
174 int temp_result; 179 int temp_result;
175 180
@@ -181,8 +186,8 @@ main (int argc, char **argv)
181 char mountdir[32]; 186 char mountdir[32];
182#endif 187#endif
183 188
184 preamble = strdup (" - free space:");
185 output = strdup (""); 189 output = strdup ("");
190 ignored = strdup ("");
186 details = strdup (""); 191 details = strdup ("");
187 perf = strdup (""); 192 perf = strdup ("");
188 perf_ilabel = strdup (""); 193 perf_ilabel = strdup ("");
@@ -203,7 +208,7 @@ main (int argc, char **argv)
203 /* If a list of paths has not been selected, find entire 208 /* If a list of paths has not been selected, find entire
204 mount list and create list of paths 209 mount list and create list of paths
205 */ 210 */
206 if (path_selected == FALSE) { 211 if (path_selected == FALSE && path_ignored == false) {
207 for (me = mount_list; me; me = me->me_next) { 212 for (me = mount_list; me; me = me->me_next) {
208 if (! (path = np_find_parameter(path_select_list, me->me_mountdir))) { 213 if (! (path = np_find_parameter(path_select_list, me->me_mountdir))) {
209 path = np_add_parameter(&path_select_list, me->me_mountdir); 214 path = np_add_parameter(&path_select_list, me->me_mountdir);
@@ -213,17 +218,40 @@ main (int argc, char **argv)
213 set_all_thresholds(path); 218 set_all_thresholds(path);
214 } 219 }
215 } 220 }
216 np_set_best_match(path_select_list, mount_list, exact_match); 221
222 if (path_ignored == false) {
223 np_set_best_match(path_select_list, mount_list, exact_match);
224 }
217 225
218 /* Error if no match found for specified paths */ 226 /* Error if no match found for specified paths */
219 temp_list = path_select_list; 227 temp_list = path_select_list;
220 228
221 while (temp_list) { 229 while (path_select_list) {
222 if (! temp_list->best_match) { 230 if (! path_select_list->best_match && ignore_missing == true) {
223 die (STATE_CRITICAL, _("DISK %s: %s not found\n"), _("CRITICAL"), temp_list->name); 231 /* If the first element will be deleted, the temp_list must be updated with the new start address as well */
232 if (path_select_list == temp_list) {
233 temp_list = path_select_list->name_next;
234 }
235 /* Add path argument to list of ignored paths to inform about missing paths being ignored and not alerted */
236 xasprintf (&ignored, "%s %s;", ignored, path_select_list->name);
237 /* Delete the path from the list so that it is not stat-checked later in the code. */
238 path_select_list = np_del_parameter(path_select_list, path_select_list->name_prev);
239 } else if (! path_select_list->best_match) {
240 /* Without --ignore-missing option, exit with Critical state. */
241 die (STATE_CRITICAL, _("DISK %s: %s not found\n"), _("CRITICAL"), path_select_list->name);
242 } else {
243 /* Continue jumping through the list */
244 path_select_list = path_select_list->name_next;
224 } 245 }
246 }
247
248 path_select_list = temp_list;
225 249
226 temp_list = temp_list->name_next; 250 if (! path_select_list && ignore_missing == true) {
251 result = STATE_OK;
252 if (verbose >= 2) {
253 printf ("None of the provided paths were found\n");
254 }
227 } 255 }
228 256
229 /* Process for every path in list */ 257 /* Process for every path in list */
@@ -242,6 +270,10 @@ main (int argc, char **argv)
242 270
243 me = path->best_match; 271 me = path->best_match;
244 272
273 if (!me) {
274 continue;
275 }
276
245#ifdef __CYGWIN__ 277#ifdef __CYGWIN__
246 if (strncmp(path->name, "/cygdrive/", 10) != 0 || strlen(path->name) > 11) 278 if (strncmp(path->name, "/cygdrive/", 10) != 0 || strlen(path->name) > 11)
247 continue; 279 continue;
@@ -260,8 +292,12 @@ main (int argc, char **argv)
260 if (path->group == NULL) { 292 if (path->group == NULL) {
261 /* Skip remote filesystems if we're not interested in them */ 293 /* Skip remote filesystems if we're not interested in them */
262 if (me->me_remote && show_local_fs) { 294 if (me->me_remote && show_local_fs) {
263 if (stat_remote_fs) 295 if (stat_remote_fs) {
264 stat_path(path); 296 if (!stat_path(path) && ignore_missing == true) {
297 result = STATE_OK;
298 xasprintf (&ignored, "%s %s;", ignored, path->name);
299 }
300 }
265 continue; 301 continue;
266 /* Skip pseudo fs's if we haven't asked for all fs's */ 302 /* Skip pseudo fs's if we haven't asked for all fs's */
267 } else if (me->me_dummy && !show_all_fs) { 303 } else if (me->me_dummy && !show_all_fs) {
@@ -280,7 +316,13 @@ main (int argc, char **argv)
280 } 316 }
281 } 317 }
282 318
283 stat_path(path); 319 if (!stat_path(path)) {
320 if (ignore_missing == true) {
321 result = STATE_OK;
322 xasprintf (&ignored, "%s %s;", ignored, path->name);
323 }
324 continue;
325 }
284 get_fs_usage (me->me_mountdir, me->me_devname, &fsp); 326 get_fs_usage (me->me_mountdir, me->me_devname, &fsp);
285 327
286 if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) { 328 if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
@@ -411,8 +453,12 @@ main (int argc, char **argv)
411 if (verbose >= 2) 453 if (verbose >= 2)
412 xasprintf (&output, "%s%s", output, details); 454 xasprintf (&output, "%s%s", output, details);
413 455
456 if (strcmp(output, "") == 0 && ! erronly) {
457 preamble = "";
458 xasprintf (&output, " - No disks were found for provided parameters;");
459 }
414 460
415 printf ("DISK %s%s%s|%s\n", state_text (result), (erronly && result==STATE_OK) ? "" : preamble, output, perf); 461 printf ("DISK %s%s%s%s%s|%s\n", state_text (result), ((erronly && result==STATE_OK)) ? "" : preamble, output, (strcmp(ignored, "") == 0) ? "" : ignored_preamble, ignored, perf);
416 return result; 462 return result;
417} 463}
418 464
@@ -481,6 +527,7 @@ process_arguments (int argc, char **argv)
481 {"ignore-ereg-partition", required_argument, 0, 'i'}, 527 {"ignore-ereg-partition", required_argument, 0, 'i'},
482 {"ignore-eregi-path", required_argument, 0, 'I'}, 528 {"ignore-eregi-path", required_argument, 0, 'I'},
483 {"ignore-eregi-partition", required_argument, 0, 'I'}, 529 {"ignore-eregi-partition", required_argument, 0, 'I'},
530 {"ignore-missing", no_argument, 0, IGNORE_MISSING},
484 {"local", no_argument, 0, 'l'}, 531 {"local", no_argument, 0, 'l'},
485 {"stat-remote-fs", no_argument, 0, 'L'}, 532 {"stat-remote-fs", no_argument, 0, 'L'},
486 {"iperfdata", no_argument, 0, 'P'}, 533 {"iperfdata", no_argument, 0, 'P'},
@@ -540,7 +587,7 @@ process_arguments (int argc, char **argv)
540 587
541 /* Awful mistake where the range values do not make sense. Normally, 588 /* Awful mistake where the range values do not make sense. Normally,
542 you alert if the value is within the range, but since we are using 589 you alert if the value is within the range, but since we are using
543 freespace, we have to alert if outside the range. Thus we artifically 590 freespace, we have to alert if outside the range. Thus we artificially
544 force @ at the beginning of the range, so that it is backwards compatible 591 force @ at the beginning of the range, so that it is backwards compatible
545 */ 592 */
546 case 'c': /* critical threshold */ 593 case 'c': /* critical threshold */
@@ -632,12 +679,19 @@ process_arguments (int argc, char **argv)
632 /* add parameter if not found. overwrite thresholds if path has already been added */ 679 /* add parameter if not found. overwrite thresholds if path has already been added */
633 if (! (se = np_find_parameter(path_select_list, optarg))) { 680 if (! (se = np_find_parameter(path_select_list, optarg))) {
634 se = np_add_parameter(&path_select_list, optarg); 681 se = np_add_parameter(&path_select_list, optarg);
682
683 if (stat(optarg, &stat_buf[0]) && ignore_missing == true) {
684 path_ignored = true;
685 break;
686 }
635 } 687 }
636 se->group = group; 688 se->group = group;
637 set_all_thresholds(se); 689 set_all_thresholds(se);
638 690
639 /* With autofs, it is required to stat() the path before re-populating the mount_list */ 691 /* With autofs, it is required to stat() the path before re-populating the mount_list */
640 stat_path(se); 692 if (!stat_path(se)) {
693 break;
694 }
641 /* NB: We can't free the old mount_list "just like that": both list pointers and struct 695 /* NB: We can't free the old mount_list "just like that": both list pointers and struct
642 * pointers are copied around. One of the reason it wasn't done yet is that other parts 696 * pointers are copied around. One of the reason it wasn't done yet is that other parts
643 * of check_disk need the same kind of cleanup so it'd better be done as a whole */ 697 * of check_disk need the same kind of cleanup so it'd better be done as a whole */
@@ -718,6 +772,9 @@ process_arguments (int argc, char **argv)
718 cflags = default_cflags; 772 cflags = default_cflags;
719 break; 773 break;
720 774
775 case IGNORE_MISSING:
776 ignore_missing = true;
777 break;
721 case 'A': 778 case 'A':
722 optarg = strdup(".*"); 779 optarg = strdup(".*");
723 // Intentional fallthrough 780 // Intentional fallthrough
@@ -753,7 +810,11 @@ process_arguments (int argc, char **argv)
753 } 810 }
754 } 811 }
755 812
756 if (!fnd) 813 if (!fnd && ignore_missing == true) {
814 path_ignored = true;
815 /* path_selected = TRUE;*/
816 break;
817 } else if (!fnd)
757 die (STATE_UNKNOWN, "DISK %s: %s - %s\n",_("UNKNOWN"), 818 die (STATE_UNKNOWN, "DISK %s: %s - %s\n",_("UNKNOWN"),
758 _("Regular expression did not match any path or disk"), optarg); 819 _("Regular expression did not match any path or disk"), optarg);
759 820
@@ -923,6 +984,9 @@ print_help (void)
923 printf (" %s\n", _("Regular expression to ignore selected path/partition (case insensitive) (may be repeated)")); 984 printf (" %s\n", _("Regular expression to ignore selected path/partition (case insensitive) (may be repeated)"));
924 printf (" %s\n", "-i, --ignore-ereg-path=PATH, --ignore-ereg-partition=PARTITION"); 985 printf (" %s\n", "-i, --ignore-ereg-path=PATH, --ignore-ereg-partition=PARTITION");
925 printf (" %s\n", _("Regular expression to ignore selected path or partition (may be repeated)")); 986 printf (" %s\n", _("Regular expression to ignore selected path or partition (may be repeated)"));
987 printf (" %s\n", "--ignore-missing");
988 printf (" %s\n", _("Return OK if no filesystem matches, filesystem does not exist or is inaccessible."));
989 printf (" %s\n", _("(Provide this option before -p / -r / --ereg-path if used)"));
926 printf (UT_PLUG_TIMEOUT, DEFAULT_SOCKET_TIMEOUT); 990 printf (UT_PLUG_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
927 printf (" %s\n", "-u, --units=STRING"); 991 printf (" %s\n", "-u, --units=STRING");
928 printf (" %s\n", _("Choose bytes, kB, MB, GB, TB (default: MB)")); 992 printf (" %s\n", _("Choose bytes, kB, MB, GB, TB (default: MB)"));
@@ -956,7 +1020,7 @@ print_usage (void)
956 printf ("[-t timeout] [-u unit] [-v] [-X type] [-N type]\n"); 1020 printf ("[-t timeout] [-u unit] [-v] [-X type] [-N type]\n");
957} 1021}
958 1022
959void 1023bool
960stat_path (struct parameter_list *p) 1024stat_path (struct parameter_list *p)
961{ 1025{
962 /* Stat entry to check that dir exists and is accessible */ 1026 /* Stat entry to check that dir exists and is accessible */
@@ -965,9 +1029,14 @@ stat_path (struct parameter_list *p)
965 if (stat (p->name, &stat_buf[0])) { 1029 if (stat (p->name, &stat_buf[0])) {
966 if (verbose >= 3) 1030 if (verbose >= 3)
967 printf("stat failed on %s\n", p->name); 1031 printf("stat failed on %s\n", p->name);
968 printf("DISK %s - ", _("CRITICAL")); 1032 if (ignore_missing == true) {
969 die (STATE_CRITICAL, _("%s %s: %s\n"), p->name, _("is not accessible"), strerror(errno)); 1033 return false;
1034 } else {
1035 printf("DISK %s - ", _("CRITICAL"));
1036 die (STATE_CRITICAL, _("%s %s: %s\n"), p->name, _("is not accessible"), strerror(errno));
1037 }
970 } 1038 }
1039 return true;
971} 1040}
972 1041
973 1042
@@ -987,7 +1056,8 @@ get_stats (struct parameter_list *p, struct fs_usage *fsp) {
987 continue; 1056 continue;
988#endif 1057#endif
989 if (p_list->group && ! (strcmp(p_list->group, p->group))) { 1058 if (p_list->group && ! (strcmp(p_list->group, p->group))) {
990 stat_path(p_list); 1059 if (! stat_path(p_list))
1060 continue;
991 get_fs_usage (p_list->best_match->me_mountdir, p_list->best_match->me_devname, &tmpfsp); 1061 get_fs_usage (p_list->best_match->me_mountdir, p_list->best_match->me_devname, &tmpfsp);
992 get_path_stats(p_list, &tmpfsp); 1062 get_path_stats(p_list, &tmpfsp);
993 if (verbose >= 3) 1063 if (verbose >= 3)
@@ -1045,7 +1115,7 @@ get_path_stats (struct parameter_list *p, struct fs_usage *fsp) {
1045 p->available_to_root = fsp->fsu_bfree; 1115 p->available_to_root = fsp->fsu_bfree;
1046 p->used = fsp->fsu_blocks - fsp->fsu_bfree; 1116 p->used = fsp->fsu_blocks - fsp->fsu_bfree;
1047 if (freespace_ignore_reserved) { 1117 if (freespace_ignore_reserved) {
1048 /* option activated : we substract the root-reserved space from the total */ 1118 /* option activated : we subtract the root-reserved space from the total */
1049 p->total = fsp->fsu_blocks - p->available_to_root + p->available; 1119 p->total = fsp->fsu_blocks - p->available_to_root + p->available;
1050 } else { 1120 } else {
1051 /* default behaviour : take all the blocks into account */ 1121 /* default behaviour : take all the blocks into account */
@@ -1060,7 +1130,7 @@ get_path_stats (struct parameter_list *p, struct fs_usage *fsp) {
1060 p->inodes_free_to_root = fsp->fsu_ffree; /* Free file nodes for root. */ 1130 p->inodes_free_to_root = fsp->fsu_ffree; /* Free file nodes for root. */
1061 p->inodes_used = fsp->fsu_files - fsp->fsu_ffree; 1131 p->inodes_used = fsp->fsu_files - fsp->fsu_ffree;
1062 if (freespace_ignore_reserved) { 1132 if (freespace_ignore_reserved) {
1063 /* option activated : we substract the root-reserved inodes from the total */ 1133 /* option activated : we subtract the root-reserved inodes from the total */
1064 /* not all OS report fsp->fsu_favail, only the ones with statvfs syscall */ 1134 /* not all OS report fsp->fsu_favail, only the ones with statvfs syscall */
1065 /* for others, fsp->fsu_ffree == fsp->fsu_favail */ 1135 /* for others, fsp->fsu_ffree == fsp->fsu_favail */
1066 p->inodes_total = fsp->fsu_files - p->inodes_free_to_root + p->inodes_free; 1136 p->inodes_total = fsp->fsu_files - p->inodes_free_to_root + p->inodes_free;