#995761: patch from ben o'hara to include inode calculations in

         check_disk.c.

previous commit also had a patch for smtp auth support, but i accidentally
sent a blank commit message.


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1269 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 105 insertions, 35 deletions

diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 960902f..81dd6c7 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -24,6 +24,11 @@ const char *revision = "$Revision$";
 const char *copyright = "1999-2004";
 const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
+ /*
+  * Additional inode code by Jorgen Lundman <lundman@lundman.net>
+  */
+
+
 #include "common.h"
 #if HAVE_INTTYPES_H
 # include <inttypes.h>
@@ -39,7 +44,7 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
 #endif
 
 /* If nonzero, show inode information. */
-/* static int inode_format; */
+static int inode_format;
 
 /* If nonzero, show even filesystems with zero size or
    uninteresting types. */
@@ -69,6 +74,8 @@ struct name_list
   uintmax_t c_df;
   double w_dfp;
   double c_dfp;
+  double w_idfp;
+  double c_idfp;
   struct name_list *name_next;
 };
 
@@ -114,8 +121,8 @@ enum
 
 int process_arguments (int, char **);
 void print_path (const char *mypath);
-int validate_arguments (uintmax_t, uintmax_t, double, double, char *);
-int check_disk (double usp, double free_disk);
+int validate_arguments (uintmax_t, uintmax_t, double, double, double, double, char *);
+int check_disk (double usp, uintmax_t free_disk, double uisp);
 int walk_name_list (struct name_list *list, const char *name);
 void print_help (void);
 void print_usage (void);
@@ -124,6 +131,8 @@ uintmax_t w_df = 0;
 uintmax_t c_df = 0;
 double w_dfp = -1.0;
 double c_dfp = -1.0;
+double w_idfp = -1.0;
+double c_idfp = -1.0;
 char *path;
 char *exclude_device;
 char *units;
@@ -140,7 +149,7 @@ static struct mount_entry *mount_list;
 int
 main (int argc, char **argv)
 {
-        double usp = -1.0;
+        double usp = -1.0, uisp = -1.0;
         int result = STATE_UNKNOWN;
         int disk_result = STATE_UNKNOWN;
         char file_system[MAX_INPUT_BUFFER];
@@ -148,7 +157,7 @@ main (int argc, char **argv)
         char *details;
         char *perf;
         uintmax_t psize;
-        float free_space, free_space_pct, total_space;
+        float free_space, free_space_pct, total_space, inode_space_pct;
 
         struct mount_entry *me;
         struct fs_usage fsp;
@@ -220,15 +229,26 @@ main (int argc, char **argv)
 
                 if (fsp.fsu_blocks && strcmp ("none", me->me_mountdir)) {
                         usp = (double)(fsp.fsu_blocks - fsp.fsu_bavail) * 100 / fsp.fsu_blocks;
-                        disk_result = check_disk (usp, (double)(fsp.fsu_bavail * fsp.fsu_blocksize / mult));
+                        uisp = (double)(fsp.fsu_files - fsp.fsu_ffree) * 100 / fsp.fsu_files;
+                        disk_result = check_disk (usp, fsp.fsu_bavail, uisp);
+
+
                         result = max_state (disk_result, result);
                         psize = fsp.fsu_blocks*fsp.fsu_blocksize/mult;
+
+
+                        /* Moved this computation up here so we can add it
+                         * to perf */
+                        inode_space_pct = (float)fsp.fsu_ffree*100/fsp.fsu_files;
+
+
                         asprintf (&perf, "%s %s", perf,
                                   perfdata ((!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
                                             psize-(fsp.fsu_bavail*fsp.fsu_blocksize/mult), units,
                                             TRUE, min ((uintmax_t)psize-(uintmax_t)w_df, (uintmax_t)((1.0-w_dfp/100.0)*psize)),
                                             TRUE, min ((uintmax_t)psize-(uintmax_t)c_df, (uintmax_t)((1.0-c_dfp/100.0)*psize)),
-                                            TRUE, 0,
+                                            TRUE, inode_space_pct,
+
                                             TRUE, psize));
                         if (disk_result==STATE_OK && erronly && !verbose)
                                 continue;
@@ -237,17 +257,20 @@ main (int argc, char **argv)
                         free_space_pct = (float)fsp.fsu_bavail*100/fsp.fsu_blocks;
                         total_space = (float)fsp.fsu_blocks*fsp.fsu_blocksize/mult;
                         if (disk_result!=STATE_OK || verbose>=0)
-                                asprintf (&output, ("%s %s %.0f %s (%.0f%%);"),
+                                asprintf (&output, ("%s %s %.0f %s (%.0f%% inode=%.0f%%);"),
                                           output,
                                           (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir,
                                           free_space,
                                           units,
-                                                                        free_space_pct);
+                                          free_space_pct,
+                                          inode_space_pct);
+
                         asprintf (&details, _("%s\n\
-%.0f of %.0f %s (%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
-                                  details, free_space, total_space, units, free_space_pct,
+%.0f of %.0f %s (%.0f%% inode=%.0f%%) free on %s (type %s mounted on %s) warn:%lu crit:%lu warn%%:%.0f%% crit%%:%.0f%%"),
+                                  details, free_space, total_space, units, free_space_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);
+
                 }
 
         }
@@ -292,6 +315,9 @@ process_arguments (int argc, char **argv)
                 {"timeout", required_argument, 0, 't'},
                 {"warning", required_argument, 0, 'w'},
                 {"critical", required_argument, 0, 'c'},
+                {"iwarning", required_argument, 0, 'W'},
+                /* Dang, -C is taken. We might want to reshuffle this. */
+                {"icritical", required_argument, 0, 'K'},
                 {"local", required_argument, 0, 'l'},
                 {"kilobytes", required_argument, 0, 'k'},
                 {"megabytes", required_argument, 0, 'm'},
@@ -326,7 +352,7 @@ process_arguments (int argc, char **argv)
                         strcpy (argv[c], "-t");
 
         while (1) {
-                c = getopt_long (argc, argv, "+?VqhveCt:c:w:u:p:x:X:mklM", longopts, &option);
+                c = getopt_long (argc, argv, "+?VqhveCt:c:w:K:W:u:p:x:X:mklM", longopts, &option);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -374,6 +400,22 @@ process_arguments (int argc, char **argv)
                         else {
                                 usage4 (_("Critical threshold must be integer or percentage!"));
                         }
+
+
+                case 'W':                                                                       /* warning inode threshold */
+                        if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &w_idfp) == 1) {
+                        break;
+                        }
+                        else {
+                                usage (_("Warning inode threshold must be percentage!\n"));
+                        }
+                case 'K':                                                                       /* kritical inode threshold */
+                        if (strstr (optarg, "%") && sscanf (optarg, "%lf%%", &c_idfp) == 1) {
+                        break;
+                        }
+                        else {
+                                usage (_("Critical inode threshold must be percentage!\n"));
+                       }
                 case 'u':
                         if (units)
                                 free(units);
@@ -430,10 +472,15 @@ process_arguments (int argc, char **argv)
                         se = (struct name_list *) malloc (sizeof (struct name_list));
                         se->name = optarg;
                         se->name_next = NULL;
-                        se->w_df = 0;
-                        se->c_df = 0;
-                        se->w_dfp = -1.0;
-                        se->c_dfp = -1.0;
+
+                        /* If you don't clear the w_fd etc values here, they
+                         * get processed when you walk the list and assigned
+                         * to the global w_df!
+                         */
+                        se->w_df = 0;
+                        se->c_df = 0;
+                        se->w_dfp = 0;
+                        se->c_dfp = 0;
                         se->found = 0;
                         se->found_len = 0;
                         *dptail = se;
@@ -443,10 +490,14 @@ process_arguments (int argc, char **argv)
                         se = (struct name_list *) malloc (sizeof (struct name_list));
                         se->name = optarg;
                         se->name_next = NULL;
-                        se->w_df = 0;
-                        se->c_df = 0;
-                        se->w_dfp = -1.0;
-                        se->c_dfp = -1.0;
+                        /* If you don't clear the w_fd etc values here, they
+                         * get processed when you walk the list and assigned
+                         * to the global w_df!
+                         */
+                        se->w_df = 0;
+                        se->c_df = 0;
+                        se->w_dfp = 0;
+                        se->c_dfp = 0;
                         se->found = 0;
                         se->found_len = 0;
                         *fstail = se;
@@ -509,13 +560,15 @@ process_arguments (int argc, char **argv)
                                                       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;
                 }
                 return result;
         } else {
-                return validate_arguments (w_df, c_df, w_dfp, c_dfp, NULL);
+                return validate_arguments (w_df, c_df, w_dfp, c_dfp, w_idfp, c_idfp, NULL);
         }
 }
 
@@ -535,7 +588,7 @@ print_path (const char *mypath)
 
 
 int
-validate_arguments (uintmax_t w, uintmax_t c, double wp, double cp, char *mypath)
+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"));
@@ -550,6 +603,14 @@ INPUT ERROR: C_DFP (%f) should be less than W_DFP (%.1f) and both should be betw
                 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"),
@@ -568,19 +629,24 @@ INPUT ERROR: C_DF (%lu) should be less than W_DF (%lu) and both should be greate
 
 
 int
-check_disk (double usp, double free_disk)
+
+check_disk (double usp, uintmax_t free_disk, double uisp)
 {
-        int result = STATE_UNKNOWN;
-        /* check the percent used space against thresholds */
-        if (usp >= 0.0 && c_dfp >=0.0 && usp >= (100.0 - c_dfp))
-                result = STATE_CRITICAL;
-        else if (c_df > 0 && free_disk <= c_df)
-                result = STATE_CRITICAL;
-        else if (usp >= 0.0 && w_dfp >=0.0 && usp >= (100.0 - w_dfp))
-                result = STATE_WARNING;
-        else if (w_df > 0 && free_disk <= w_df)
-                result = STATE_WARNING;
-        else if (usp >= 0.0)
+       int result = STATE_UNKNOWN;
+       /* check the percent used space against thresholds */
+       if (usp >= 0.0 && c_dfp >=0.0 && usp >= (100.0 - c_dfp))
+               result = STATE_CRITICAL;
+       else if (uisp >= 0.0 && c_idfp >=0.0 && uisp >= (100.0 - c_idfp))
+               result = STATE_CRITICAL;
+       else if (c_df > 0 && free_disk <= c_df)
+               result = STATE_CRITICAL;
+       else if (usp >= 0.0 && w_dfp >=0.0 && usp >= (100.0 - w_dfp))
+               result = STATE_WARNING;
+       else if (uisp >= 0.0 && w_idfp >=0.0 && uisp >= (100.0 - w_idfp))
+               result = STATE_WARNING;
+       else if (w_df > 0 && free_disk <= w_df)
+               result = STATE_WARNING;
+       else if (usp >= 0.0)
                 result = STATE_OK;
         return result;
 }
@@ -635,6 +701,10 @@ and generates an alert if free space is less than one of the threshold values.\n
    Exit with WARNING status if less than INTEGER --units of disk are free\n\
  -w, --warning=PERCENT%%\n\
    Exit with WARNING status if less than PERCENT of disk space is free\n\
+ -W, --iwarning=PERCENT%%\n\
+   Exit with WARNING status if less than PERCENT of inode space is free\n\
+ -K, --icritical=PERCENT%%\n\
+   Exit with CRITICAL status if less than PERCENT of inode space is free\n\
  -c, --critical=INTEGER\n\
    Exit with CRITICAL status if less than INTEGER --units of disk are free\n\
  -c, --critical=PERCENT%%\n\
@@ -683,6 +753,6 @@ void
 print_usage (void)
 {
         printf ("\
-Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e]\n\
+Usage: %s -w limit -c limit [-p path | -x device] [-t timeout] [-m] [-e] [-W limit] [-K limit]\n\
                   [-v] [-q]\n", progname);
 }