[monitoring-plugins] check_procs: Implement --exclude-process to ...
Sven Nierlein
git at monitoring-plugins.org
Tue Mar 21 11:50:11 CET 2023
Module: monitoring-plugins
Branch: master
Commit: 9c495e2aefedca270f49987dc31bff983e614281
Author: Christian Kujau <lists at nerdbynature.de>
Committer: Sven Nierlein <sven at nierlein.org>
Date: Mon Mar 20 11:35:01 2023 +0100
URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=9c495e2
check_procs: Implement --exclude-process to exclude specific processes.
Signed-off-by: Christian Kujau <lists at nerdbynature.de>
---
plugins/check_procs.c | 47 +++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 45 insertions(+), 2 deletions(-)
diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index a025ee8..d672dd4 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -70,6 +70,7 @@ int options = 0; /* bitmask of filter criteria to test against */
#define PCPU 256
#define ELAPSED 512
#define EREG_ARGS 1024
+#define EXCLUDE_PROGS 2048
#define KTHREAD_PARENT "kthreadd" /* the parent process of kernel threads:
ppid of procs are compared to pid of this proc*/
@@ -93,6 +94,9 @@ int rss;
float pcpu;
char *statopts;
char *prog;
+char *exclude_progs;
+char **exclude_progs_arr = NULL;
+char exclude_progs_counter = 0;
char *args;
char *input_filename = NULL;
regex_t re_args;
@@ -250,6 +254,25 @@ main (int argc, char **argv)
continue;
}
+ /* Ignore excluded processes by name */
+ if(options & EXCLUDE_PROGS) {
+ int found = 0;
+ int i = 0;
+
+ for(i=0; i < (exclude_progs_counter); i++) {
+ if(!strcmp(procprog, exclude_progs_arr[i])) {
+ found = 1;
+ }
+ }
+ if(found == 0) {
+ resultsum |= EXCLUDE_PROGS;
+ } else
+ {
+ if(verbose >= 3)
+ printf("excluding - by ignorelist\n");
+ }
+ }
+
/* filter kernel threads (childs of KTHREAD_PARENT)*/
/* TODO adapt for other OSes than GNU/Linux
sorry for not doing that, but I've no other OSes to test :-( */
@@ -409,6 +432,7 @@ process_arguments (int argc, char **argv)
{"input-file", required_argument, 0, CHAR_MAX+2},
{"no-kthreads", required_argument, 0, 'k'},
{"traditional-filter", no_argument, 0, 'T'},
+ {"exclude-process", required_argument, 0, 'X'},
{0, 0, 0, 0}
};
@@ -417,7 +441,7 @@ process_arguments (int argc, char **argv)
strcpy (argv[c], "-t");
while (1) {
- c = getopt_long (argc, argv, "Vvhkt:c:w:p:s:u:C:a:z:r:m:P:T",
+ c = getopt_long (argc, argv, "Vvhkt:c:w:p:s:u:C:a:z:r:m:P:T:X:",
longopts, &option);
if (c == -1 || c == EOF)
@@ -490,6 +514,23 @@ process_arguments (int argc, char **argv)
prog);
options |= PROG;
break;
+ case 'X':
+ if(exclude_progs)
+ break;
+ else
+ exclude_progs = optarg;
+ xasprintf (&fmt, _("%s%sexclude progs '%s'"), (fmt ? fmt : ""), (options ? ", " : ""),
+ exclude_progs);
+ char *p = strtok(exclude_progs, ",");
+
+ while(p){
+ exclude_progs_arr = realloc(exclude_progs_arr, sizeof(char*) * ++exclude_progs_counter);
+ exclude_progs_arr[exclude_progs_counter-1] = p;
+ p = strtok(NULL, ",");
+ }
+
+ options |= EXCLUDE_PROGS;
+ break;
case 'a': /* args (full path name with args) */
/* TODO: allow this to be passed in with --metric */
if (args)
@@ -745,6 +786,8 @@ print_help (void)
printf (" %s\n", _("Only scan for processes with args that contain the regex STRING."));
printf (" %s\n", "-C, --command=COMMAND");
printf (" %s\n", _("Only scan for exact matches of COMMAND (without path)."));
+ printf (" %s\n", "-X, --exclude-process");
+ printf (" %s\n", _("Exclude processes which match this comma seperated list"));
printf (" %s\n", "-k, --no-kthreads");
printf (" %s\n", _("Only scan for non kernel threads (works on Linux only)."));
@@ -786,5 +829,5 @@ print_usage (void)
printf ("%s\n", _("Usage:"));
printf ("%s -w <range> -c <range> [-m metric] [-s state] [-p ppid]\n", progname);
printf (" [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n");
- printf (" [-C command] [-k] [-t timeout] [-v]\n");
+ printf (" [-C command] [-X process_to_exclude] [-k] [-t timeout] [-v]\n");
}
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