[monitoring-plugins] [check_disk] add support to display inodes usage ...
Vincent Danjean
git at monitoring-plugins.org
Tue Feb 19 21:50:15 CET 2019
Module: monitoring-plugins
Branch: master
Commit: 270e7cba3830328424e3f2b6b9a6989b1ea5f89b
Author: Vincent Danjean <vdanjean at debian.org>
Committer: Vincent Danjean <Vincent.Danjean at ens-lyon.org>
Date: Sat Dec 8 21:51:05 2018 +0100
URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=270e7cb
[check_disk] add support to display inodes usage in perfdata
This is not enabled by default
It can be enabled with the -P (--iperfdata) option
---
gl/fsusage.c | 5 +++++
gl/fsusage.h | 3 ++-
lib/utils_disk.c | 2 ++
lib/utils_disk.h | 3 ++-
plugins/check_disk.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++---
5 files changed, 58 insertions(+), 5 deletions(-)
diff --git a/gl/fsusage.c b/gl/fsusage.c
index 0657555..6103ecf 100644
--- a/gl/fsusage.c
+++ b/gl/fsusage.c
@@ -143,6 +143,7 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (vfsd.f_bavail) != 0;
fsp->fsu_files = PROPAGATE_ALL_ONES (vfsd.f_files);
fsp->fsu_ffree = PROPAGATE_ALL_ONES (vfsd.f_ffree);
+ fsp->fsu_favail = PROPAGATE_ALL_ONES (vfsd.f_favail);
return 0;
}
@@ -174,6 +175,7 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.fd_req.bfreen) != 0;
fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.fd_req.gtot);
fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.fd_req.gfree);
+ fsp->fsu_favail = PROPAGATE_ALL_ONES (fsd.fd_req.gfree);
#elif defined STAT_READ_FILSYS /* SVR2 */
# ifndef SUPERBOFF
@@ -209,6 +211,7 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
? UINTMAX_MAX
: (fsd.s_isize - 2) * INOPB * (fsd.s_type == Fs2b ? 2 : 1));
fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.s_tinode);
+ fsp->fsu_favail = PROPAGATE_ALL_ONES (fsd.s_tinode);
#elif defined STAT_STATFS3_OSF1 /* OSF/1 */
@@ -296,6 +299,7 @@ get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp)
fsp->fsu_bavail_top_bit_set = EXTRACT_TOP_BIT (fsd.f_bavail) != 0;
fsp->fsu_files = PROPAGATE_ALL_ONES (fsd.f_files);
fsp->fsu_ffree = PROPAGATE_ALL_ONES (fsd.f_ffree);
+ fsp->fsu_favail = PROPAGATE_ALL_ONES (fsd.f_ffree);
#endif
@@ -323,6 +327,7 @@ statfs (char *file, struct statfs *fsb)
fsb->f_bavail = fsd.du_tfree;
fsb->f_files = (fsd.du_isize - 2) * fsd.du_inopb;
fsb->f_ffree = fsd.du_tinode;
+ fsb->f_favail = fsd.du_tinode;
fsb->f_fsid.val[0] = fsd.du_site;
fsb->f_fsid.val[1] = fsd.du_pckno;
return 0;
diff --git a/gl/fsusage.h b/gl/fsusage.h
index 7810fc0..e2654fd 100644
--- a/gl/fsusage.h
+++ b/gl/fsusage.h
@@ -32,7 +32,8 @@ struct fs_usage
uintmax_t fsu_bavail; /* Free blocks available to non-superuser. */
bool fsu_bavail_top_bit_set; /* 1 if fsu_bavail represents a value < 0. */
uintmax_t fsu_files; /* Total file nodes. */
- uintmax_t fsu_ffree; /* Free file nodes. */
+ uintmax_t fsu_ffree; /* Free file nodes to superuser. */
+ uintmax_t fsu_favail; /* Free file nodes to non-superuser. */
};
int get_fs_usage (char const *file, char const *disk, struct fs_usage *fsp);
diff --git a/lib/utils_disk.c b/lib/utils_disk.c
index efe35fc..c7c9126 100644
--- a/lib/utils_disk.c
+++ b/lib/utils_disk.c
@@ -69,6 +69,8 @@ np_add_parameter(struct parameter_list **list, const char *name)
new_path->dtotal_units = 0;
new_path->inodes_total = 0;
new_path->inodes_free = 0;
+ new_path->inodes_free_to_root = 0;
+ new_path->inodes_used = 0;
new_path->dused_inodes_percent = 0;
new_path->dfree_inodes_percent = 0;
diff --git a/lib/utils_disk.h b/lib/utils_disk.h
index 83a3763..999270c 100644
--- a/lib/utils_disk.h
+++ b/lib/utils_disk.h
@@ -24,7 +24,8 @@ struct parameter_list
char *group;
struct mount_entry *best_match;
struct parameter_list *name_next;
- uintmax_t total, available, available_to_root, used, inodes_free, inodes_total;
+ uintmax_t total, available, available_to_root, used,
+ inodes_free, inodes_free_to_root, inodes_used, inodes_total;
double dfree_pct, dused_pct;
double dused_units, dfree_units, dtotal_units;
double dused_inodes_percent, dfree_inodes_percent;
diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index e73a008..1c43e85 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -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;
@@ -167,6 +168,7 @@ main (int argc, char **argv)
char *output;
char *details;
char *perf;
+ char *perf_ilabel;
char *preamble;
char *flag_header;
double inode_space_pct;
@@ -186,6 +188,7 @@ main (int argc, char **argv)
output = strdup ("");
details = strdup ("");
perf = strdup ("");
+ perf_ilabel = strdup ("");
stat_buf = malloc(sizeof *stat_buf);
setlocale (LC_ALL, "");
@@ -348,6 +351,29 @@ main (int argc, char **argv)
TRUE, 0,
TRUE, path->dtotal_units));
+ if (display_inodes_perfdata) {
+ /* *_high_tide must be reinitialized at each run */
+ warning_high_tide = UINT_MAX;
+ critical_high_tide = UINT_MAX;
+
+ if (path->freeinodes_percent->warning != NULL) {
+ warning_high_tide = abs( 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 = abs( 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 == UINT_MAX */
+ xasprintf (&perf, "%s %s", perf,
+ perfdata (perf_ilabel,
+ path->inodes_used, "",
+ (warning_high_tide != UINT_MAX ? TRUE : FALSE), warning_high_tide,
+ (critical_high_tide != UINT_MAX ? TRUE : FALSE), critical_high_tide,
+ TRUE, 0,
+ TRUE, path->inodes_total));
+ }
+
if (disk_result==STATE_OK && erronly && !verbose)
continue;
@@ -455,6 +481,7 @@ 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 +504,7 @@ 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;
@@ -582,9 +609,13 @@ process_arguments (int argc, char **argv)
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 ||
@@ -1012,6 +1043,8 @@ get_stats (struct parameter_list *p, struct fs_usage *fsp) {
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;
}
@@ -1050,7 +1083,18 @@ get_path_stats (struct parameter_list *p, struct fs_usage *fsp) {
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);
}
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