Support for different thresholds for different filesystems

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@557 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 65 insertions, 16 deletions

diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index fd3b977..2b285d3 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -57,6 +57,8 @@ const char *options = "\
     Display the mountpoint instead of the partition\n\
  -e, --errors-only\n\
     Display only devices/mountpoints with errors\n\
+ -C, --clear\n\
+    Clear thresholds\n\
  -v, --verbose\n\
     Show details for command-line debugging (do not use with nagios server)\n\
  -h, --help\n\
@@ -67,6 +69,11 @@ const char *options = "\
 const char *notes = "\
 \n";
 
+const char *examples = "\
+ check_disk -w 10% -c 5% -p /tmp -p /var -C -w 100000 -c 50000 -p /\n\
+   Checks /tmp and /var at 10%,5% and / at 100MB, 50MB\n\
+\n";
+
 #include "common.h"
 #if HAVE_INTTYPES_H
 # include <inttypes.h>
@@ -107,6 +114,10 @@ struct name_list
 {
   char *name;
   int found;
+  int w_df;
+  int c_df;
+  float w_dfp;
+  float c_dfp;
   struct name_list *name_next;
 };
 
@@ -151,7 +162,7 @@ enum
 #endif
 
 int process_arguments (int, char **);
-int validate_arguments (void);
+int validate_arguments (int, int, float, float, char *);
 int check_disk (int usp, int free_disk);
 int walk_name_list (struct name_list *list, const char *name);
 void print_help (void);
@@ -237,7 +248,7 @@ main (int argc, char **argv)
                                           units,
                                           free_space_pct,
                                           (!strcmp(file_system, "none") || display_mntp) ? me->me_devname : me->me_mountdir);
-                        asprintf (&details, "%s\n%.0f of %.0f %s (%2.0f%%) free on %s (type %s mounted on %s)",
+                        asprintf (&details, "%s\n%.0f of %.0f %s (%2.0f%%) free on %s (type %s mounted on %s) warn:%d crit:%d warn%%:%.0f%% crit%%:%.0f%%",
                                   details,
                                   free_space,
                                   total_space,
@@ -245,7 +256,8 @@ main (int argc, char **argv)
                                   free_space_pct,
                                   me->me_devname,
                                   me->me_type,
-                                  me->me_mountdir);
+                                  me->me_mountdir,
+                                  w_df, c_df, w_dfp, c_dfp);
                 }
 
         }
@@ -279,6 +291,8 @@ process_arguments (int argc, char **argv)
         struct name_list **devtail = &dev_select_list;
         struct name_list **fstail = &fs_exclude_list;
         struct name_list **dptail = &dp_exclude_list;
+        struct name_list *temp_list;
+        int result = OK;
 
         int option_index = 0;
         static struct option long_options[] = {
@@ -297,6 +311,7 @@ process_arguments (int argc, char **argv)
                 {"errors-only", 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}
@@ -316,7 +331,7 @@ process_arguments (int argc, char **argv)
                         strcpy (argv[c], "-t");
 
         while (1) {
-                c = getopt_long (argc, argv, "+?Vqhvet:c:w:u:p:x:X:mklM", long_options, &option_index);
+                c = getopt_long (argc, argv, "+?VqhveCt:c:w:u:p:x:X:mklM", long_options, &option_index);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -397,6 +412,10 @@ process_arguments (int argc, char **argv)
                         se = (struct name_list *) malloc (sizeof (struct name_list));
                         se->name = strdup (optarg);
                         se->name_next = NULL;
+                        se->w_df = w_df;
+                        se->c_df = c_df;
+                        se->w_dfp = w_dfp;
+                        se->c_dfp = c_dfp;
                         *pathtail = se;
                         pathtail = &se->name_next;
                         break;
@@ -427,6 +446,12 @@ process_arguments (int argc, char **argv)
                 case 'M': /* display mountpoint */
                         display_mntp = TRUE;
                         break;
+                case 'C':
+                        w_df = -1;
+                        c_df = -1;
+                        w_dfp = -1.0;
+                        c_dfp = -1.0;
+                        break;
                 case 'V':                                                                       /* version */
                         print_revision (progname, revision);
                         exit (STATE_OK);
@@ -449,30 +474,49 @@ process_arguments (int argc, char **argv)
         if (argc > c && strlen (path) == 0)
                 path = argv[c++];
 
-        return validate_arguments ();
+        if (path_select_list) {
+                temp_list = path_select_list;
+                while (temp_list) {
+                        if (validate_arguments (temp_list->w_df, temp_list->c_df, temp_list->w_dfp, temp_list->c_dfp, 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);
+        }
 }
 
 
+void print_path (char *path) 
+{
+        if (path)
+                printf (" for %s", path);
+        printf ("\n");
+}
 
 int
-validate_arguments ()
+validate_arguments (int w, int c, float wp, float cp, char *path)
 {
-        if (w_df < 0 && c_df < 0 && w_dfp < 0 && c_dfp < 0) {
-                printf ("INPUT ERROR: Unable to parse command line\n");
+        if (w < 0 && c < 0 && wp < 0 && cp < 0) {
+                printf ("INPUT ERROR: No thresholds specified");
+                print_path (path);
                 return ERROR;
         }
-        else if ((w_dfp >= 0 || c_dfp >= 0)
-                                         && (w_dfp < 0 || c_dfp < 0 || w_dfp > 100 || c_dfp > 100
-                                                         || c_dfp > w_dfp)) {
+        else if ((wp >= 0 || cp >= 0)
+                                         && (wp < 0 || cp < 0 || wp > 100 || cp > 100
+                                                         || cp > wp)) {
                 printf
-                        ("INPUT ERROR: C_DFP (%f) should be less than W_DFP (%f) and both should be between zero and 100 percent, inclusive\n",
-                         c_dfp, w_dfp);
+                        ("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 (path);
                 return ERROR;
         }
-        else if ((w_df > 0 || c_df > 0) && (w_df < 0 || c_df < 0 || c_df > w_df)) {
+        else if ((w > 0 || c > 0) && (w < 0 || c < 0 || c > w)) {
                 printf
-                        ("INPUT ERROR: C_DF (%d) should be less than W_DF (%d) and both should be greater than zero\n",
-                         c_df, w_df);
+                        ("INPUT ERROR: C_DF (%d) should be less than W_DF (%d) and both should be greater than zero",
+                         c, w);
+                print_path (path);
                 return ERROR;
         }
         else {
@@ -509,6 +553,10 @@ walk_name_list (struct name_list *list, const char *name)
         while (list) {
                 if (! strcmp(list->name, name)) {
                         list->found = 1;
+                        w_df = list->w_df;
+                        c_df = list->c_df;
+                        w_dfp = list->w_dfp;
+                        c_dfp = list->c_dfp;
                         return TRUE;
                 }
                 list = list->name_next;
@@ -529,6 +577,7 @@ print_help (void)
         printf ("\nOptions:\n");
         printf (options);
         printf (notes);
+        printf ("Examples:\n%s", examples);
         support ();
 }