X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=plugins%2Fcheck_nagios.c;h=24ddadd71ef87c3d25ea47c9435bfd558e814c80;hb=25d1ee331dbe4977a4a1a756c67f32bd51d9b070;hp=089ff669702a96bb0d0a2b297f3ba7a9e9fb3a2b;hpb=4e19425ce697ce17257b0db904a656e3c8557911;p=nagiosplug.git
diff --git a/plugins/check_nagios.c b/plugins/check_nagios.c
index 089ff66..24ddadd 100644
--- a/plugins/check_nagios.c
+++ b/plugins/check_nagios.c
@@ -1,30 +1,43 @@
-/******************************************************************************
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
- $Id$
-
-******************************************************************************/
+/*****************************************************************************
+*
+* Nagios check_nagios plugin
+*
+* License: GPL
+* Copyright (c) 1999-2007 Nagios Plugins Development Team
+*
+* Description:
+*
+* This file contains the check_nagios plugin
+*
+* This plugin checks the status of the Nagios process on the local machine.
+* The plugin will check to make sure the Nagios status log is no older than
+* the number of minutes specified by the expires option.
+* It also checks the process table for a process matching the command
+* argument.
+*
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see .
+*
+*
+*****************************************************************************/
const char *progname = "check_nagios";
-const char *revision = "$Revision$";
-const char *copyright = "1999-2004";
+const char *copyright = "1999-2007";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
-#include "popen.h"
+#include "runcmd.h"
#include "utils.h"
int process_arguments (int, char **);
@@ -55,24 +68,31 @@ main (int argc, char **argv)
int procrss = 0;
float procpcpu = 0;
char procstat[8];
+#ifdef PS_USES_PROCETIME
char procetime[MAX_INPUT_BUFFER];
+#endif /* PS_USES_PROCETIME */
char procprog[MAX_INPUT_BUFFER];
char *procargs;
int pos, cols;
int expected_cols = PS_COLS - 1;
const char *zombie = "Z";
char *temp_string;
+ output chld_out, chld_err;
+ size_t i;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ /* Parse extra opts if any */
+ argv=np_extra_opts (&argc, argv, progname);
+
if (process_arguments (argc, argv) == ERROR)
- usage4 (_("Could not parse arguments"));
+ usage_va(_("Could not parse arguments"));
/* Set signal handling and alarm timeout */
if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
- usage4 (_("Cannot catch SIGALRM"));
+ usage_va(_("Cannot catch SIGALRM"));
}
/* handle timeouts gracefully... */
@@ -81,58 +101,51 @@ main (int argc, char **argv)
/* open the status log */
fp = fopen (status_log, "r");
if (fp == NULL) {
- printf (_("CRITICAL - Cannot open status log for reading!\n"));
- return STATE_CRITICAL;
+ die (STATE_CRITICAL, "NAGIOS %s: %s\n", _("CRITICAL"), _("Cannot open status log for reading!"));
}
/* get the date/time of the last item updated in the log */
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, fp)) {
- temp_ptr = strtok (input_buffer, "]");
- temp_entry_time =
- (temp_ptr == NULL) ? 0L : strtoul (temp_ptr + 1, NULL, 10);
- if (temp_entry_time > latest_entry_time)
+ if ((temp_ptr = strstr (input_buffer, "created=")) != NULL) {
+ temp_entry_time = strtoul (temp_ptr + 8, NULL, 10);
latest_entry_time = temp_entry_time;
+ break;
+ } else if ((temp_ptr = strtok (input_buffer, "]")) != NULL) {
+ temp_entry_time = strtoul (temp_ptr + 1, NULL, 10);
+ if (temp_entry_time > latest_entry_time)
+ latest_entry_time = temp_entry_time;
+ }
}
fclose (fp);
if (verbose >= 2)
- printf(_("command: %s\n"), PS_COMMAND);
+ printf("command: %s\n", PS_COMMAND);
/* run the command to check for the Nagios process.. */
- child_process = spopen (PS_COMMAND);
- if (child_process == NULL) {
- printf (_("Could not open pipe: %s\n"), PS_COMMAND);
- return STATE_UNKNOWN;
- }
-
- child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
- if (child_stderr == NULL) {
- printf (_("Could not open stderr for %s\n"), PS_COMMAND);
- }
-
- fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
+ if((result = np_runcmd(PS_COMMAND, &chld_out, &chld_err, 0)) != 0)
+ result = STATE_WARNING;
/* count the number of matching Nagios processes... */
- while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
- cols = sscanf (input_buffer, PS_FORMAT, PS_VARLIST);
- /* Zombie processes do not give a procprog command */
- if ( cols == (expected_cols - 1) && strstr(procstat, zombie) ) {
- cols = expected_cols;
- /* Set some value for procargs for the strip command further below
- Seen to be a problem on some Solaris 7 and 8 systems */
- input_buffer[pos] = '\n';
- input_buffer[pos+1] = 0x0;
- }
+ for(i = 0; i < chld_out.lines; i++) {
+ cols = sscanf (chld_out.line[i], PS_FORMAT, PS_VARLIST);
+ /* Zombie processes do not give a procprog command */
+ if ( cols == (expected_cols - 1) && strstr(procstat, zombie) ) {
+ cols = expected_cols;
+ /* Set some value for procargs for the strip command further below
+ * Seen to be a problem on some Solaris 7 and 8 systems */
+ chld_out.line[i][pos] = '\n';
+ chld_out.line[i][pos+1] = 0x0;
+ }
if ( cols >= expected_cols ) {
- asprintf (&procargs, "%s", input_buffer + pos);
+ asprintf (&procargs, "%s", chld_out.line[i] + pos);
strip (procargs);
-
+
/* Some ps return full pathname for command. This removes path */
- temp_string = strtok ((char *)procprog, "/");
- while (temp_string) {
- strcpy(procprog, temp_string);
- temp_string = strtok (NULL, "/");
- }
+ temp_string = strtok ((char *)procprog, "/");
+ while (temp_string) {
+ strcpy(procprog, temp_string);
+ temp_string = strtok (NULL, "/");
+ }
/* May get empty procargs */
if (!strstr(procargs, argv[0]) && strstr(procargs, process_string) && strcmp(procargs,"")) {
@@ -145,36 +158,36 @@ main (int argc, char **argv)
}
/* If we get anything on stderr, at least set warning */
- while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr))
- result = max_state (result, STATE_WARNING);
-
- /* close stderr */
- (void) fclose (child_stderr);
-
- /* close the pipe */
- if (spclose (child_process))
+ if(chld_err.buflen)
result = max_state (result, STATE_WARNING);
/* reset the alarm handler */
alarm (0);
if (proc_entries == 0) {
- printf (_("Could not locate a running Nagios process!\n"));
- return STATE_CRITICAL;
+ die (STATE_CRITICAL, "NAGIOS %s: %s\n", _("CRITICAL"), _("Could not locate a running Nagios process!"));
}
- result = STATE_OK;
+ if (latest_entry_time == 0L) {
+ die (STATE_CRITICAL, "NAGIOS %s: %s\n", _("CRITICAL"), _("Cannot parse Nagios log file for valid time"));
+ }
time (¤t_time);
- if ((int)(current_time - latest_entry_time) > (expire_minutes * 60))
+ if ((int)(current_time - latest_entry_time) > (expire_minutes * 60)) {
result = STATE_WARNING;
+ } else {
+ result = STATE_OK;
+ }
- printf
- (_("Nagios %s: located %d process%s, status log updated %d second%s ago\n"),
- (result == STATE_OK) ? "ok" : "problem", proc_entries,
- (proc_entries == 1) ? "" : "es",
- (int) (current_time - latest_entry_time),
- ((int) (current_time - latest_entry_time) == 1) ? "" : "s");
+ printf ("NAGIOS %s: ", (result == STATE_OK) ? _("OK") : _("WARNING"));
+ printf (ngettext ("%d process", "%d processes", proc_entries), proc_entries);
+ printf (", ");
+ printf (
+ ngettext ("status log updated %d second ago",
+ "status log updated %d seconds ago",
+ (int) (current_time - latest_entry_time) ),
+ (int) (current_time - latest_entry_time) );
+ printf ("\n");
return result;
}
@@ -219,13 +232,11 @@ process_arguments (int argc, char **argv)
break;
switch (c) {
- case '?': /* print short usage statement if args not parsable */
- usage2 (_("Unknown argument"), optarg);
case 'h': /* help */
print_help ();
exit (STATE_OK);
case 'V': /* version */
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
exit (STATE_OK);
case 'F': /* status log */
status_log = optarg;
@@ -243,16 +254,17 @@ process_arguments (int argc, char **argv)
case 'v':
verbose++;
break;
+ default: /* print short usage_va statement if args not parsable */
+ usage5();
}
}
if (status_log == NULL)
- die (STATE_UNKNOWN,
- _("You must provide the status_log\n"));
- else if (process_string == NULL)
- die (STATE_UNKNOWN,
- _("You must provide a process string\n"));
+ die (STATE_UNKNOWN, _("You must provide the status_log\n"));
+
+ if (process_string == NULL)
+ die (STATE_UNKNOWN, _("You must provide a process string\n"));
return OK;
}
@@ -262,31 +274,41 @@ process_arguments (int argc, char **argv)
void
print_help (void)
{
- print_revision (progname, revision);
+ print_revision (progname, NP_VERSION);
printf (_(COPYRIGHT), copyright, email);
- printf (_("\
-This plugin checks the status of the Nagios process on the local\n\
-machine. The plugin will check to make sure the Nagios status log is no older\n\
-than the number of minutes specified by the expires option. It also\n\
-checks the process table for a process matching the command argument.\n\n"));
+ printf ("%s\n", _("This plugin checks the status of the Nagios process on the local machine"));
+ printf ("%s\n", _("The plugin will check to make sure the Nagios status log is no older than"));
+ printf ("%s\n", _("the number of minutes specified by the expires option."));
+ printf ("%s\n", _("It also checks the process table for a process matching the command argument."));
+
+ printf ("\n\n");
print_usage ();
- printf (_(UT_HELP_VRSN));
+ printf (UT_HELP_VRSN);
+ printf (UT_EXTRA_OPTS);
+
+ printf (" %s\n", "-F, --filename=FILE");
+ printf (" %s\n", _("Name of the log file to check"));
+ printf (" %s\n", "-e, --expires=INTEGER");
+ printf (" %s\n", _("Minutes aging after which logfile is considered stale"));
+ printf (" %s\n", "-C, --command=STRING");
+ printf (" %s\n", _("Substring to search for in process arguments"));
+ printf (UT_VERBOSE);
+
+#ifdef NP_EXTRA_OPTS
+ printf ("\n");
+ printf ("%s\n", _("Notes:"));
+ printf (UT_EXTRA_OPTS_NOTES);
+#endif
- printf (_("\
- -F, --filename=FILE\n\
- Name of the log file to check\n\
- -e, --expires=INTEGER\n\
- Minutes aging after which logfile is considered stale\n\
- -C, --command=STRING\n\
- Substring to search for in process arguments\n"));
+ printf ("\n");
+ printf ("%s\n", _("Examples:"));
+ printf (" %s\n", "check_nagios -e 5 -F /usr/local/nagios/var/status.log -C /usr/local/nagios/bin/nagios");
- printf (_("\
-Example:\n\
- ./check_nagios -e 5 -F /usr/local/nagios/var/status.log -C /usr/local/nagios/bin/nagios\n"));
+ printf (UT_SUPPORT);
}
@@ -294,6 +316,6 @@ Example:\n\
void
print_usage (void)
{
- printf ("\
-Usage: %s -F -e -C \n", progname);
+ printf (_("Usage:"));
+ printf ("%s -F -e -C \n", progname);
}