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diff --git a/plugins/check_nagios.c b/plugins/check_nagios.c
index d19445a55b9389ff7f6603366a2e56269b846700..1a809164b84b07fe7e6345fd05d39e8a5adb6d51 100644 (file)
--- a/plugins/check_nagios.c
+++ b/plugins/check_nagios.c
-/******************************************************************************
- *
- * CHECK_NAGIOS.C
- *
- * Program: Nagios process plugin for Nagios
- * License: GPL
- * Copyright (c) 1999 Ethan Galstad (nagios@nagios.org)
- *
- * $Id$
- *
- * License Information:
- *
- * 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.
- *
- *****************************************************************************/
+/*****************************************************************************
+*
+* 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 <http://www.gnu.org/licenses/>.
+*
+*
+*****************************************************************************/
+
+const char *progname = "check_nagios";
+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"
-const char *PROGNAME = "check_nagios";
-
int process_arguments (int, char **);
-void print_usage (void);
void print_help (void);
+void print_usage (void);
char *status_log = NULL;
char *process_string = NULL;
int expire_minutes = 0;
+int verbose = 0;
+
int
main (int argc, char **argv)
{
time_t current_time;
char *temp_ptr;
FILE *fp;
+ int procuid = 0;
+ int procpid = 0;
+ int procppid = 0;
+ int procvsz = 0;
+ 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)
- usage ("Could not parse arguments\n");
+ usage_va(_("Could not parse arguments"));
- /* Set signal handling and alarm */
+ /* Set signal handling and alarm timeout */
if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
- printf ("Cannot catch SIGALRM");
- return STATE_UNKNOWN;
+ usage_va(_("Cannot catch SIGALRM"));
}
/* handle timeouts gracefully... */
/* open the status log */
fp = fopen (status_log, "r");
if (fp == NULL) {
- printf ("Error: 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);
- /* run the command to check for the Nagios process.. */
- child_process = spopen (PS_RAW_COMMAND);
- if (child_process == NULL) {
- printf ("Could not open pipe: %s\n", PS_RAW_COMMAND);
- return STATE_UNKNOWN;
- }
+ if (verbose >= 2)
+ printf("command: %s\n", PS_COMMAND);
- child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
- if (child_stderr == NULL) {
- printf ("Could not open stderr for %s\n", PS_RAW_COMMAND);
- }
+ /* run the command to check for the Nagios 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)) {
- if (!strstr(input_buffer, argv[0]) && strstr(input_buffer, process_string))
- proc_entries++;
+ 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", 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, "/");
+ }
+
+ /* May get empty procargs */
+ if (!strstr(procargs, argv[0]) && strstr(procargs, process_string) && strcmp(procargs,"")) {
+ proc_entries++;
+ if (verbose >= 2) {
+ printf (_("Found process: %s %s\n"), procprog, procargs);
+ }
+ }
+ }
}
/* 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 ((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;
}
-
-
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{
int c;
-#ifdef HAVE_GETOPT_H
- int option_index = 0;
- static struct option long_options[] = {
+ int option = 0;
+ static struct option longopts[] = {
{"filename", required_argument, 0, 'F'},
{"expires", required_argument, 0, 'e'},
{"command", required_argument, 0, 'C'},
{"version", no_argument, 0, 'V'},
{"help", no_argument, 0, 'h'},
+ {"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0}
};
-#endif
if (argc < 2)
return ERROR;
if (is_intnonneg (argv[2]))
expire_minutes = atoi (argv[2]);
else
- terminate (STATE_UNKNOWN,
- "Expiration time must be an integer (seconds)\nType '%s -h' for additional help\n",
- PROGNAME);
+ die (STATE_UNKNOWN,
+ _("Expiration time must be an integer (seconds)\n"));
process_string = argv[3];
return OK;
}
while (1) {
-#ifdef HAVE_GETOPT_H
- c = getopt_long (argc, argv, "+hVF:C:e:", long_options, &option_index);
-#else
- c = getopt (argc, argv, "+hVF:C:e:");
-#endif
+ c = getopt_long (argc, argv, "+hVvF:C:e:", longopts, &option);
if (c == -1 || c == EOF || c == 1)
break;
switch (c) {
- case '?': /* print short usage statement if args not parsable */
- printf ("%s: Unknown argument: %c\n\n", PROGNAME, optopt);
- print_usage ();
- exit (STATE_UNKNOWN);
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': /* hostname */
+ case 'F': /* status log */
status_log = optarg;
break;
- case 'C': /* hostname */
+ case 'C': /* command */
process_string = optarg;
break;
- case 'e': /* hostname */
+ case 'e': /* expiry time */
if (is_intnonneg (optarg))
expire_minutes = atoi (optarg);
else
- terminate (STATE_UNKNOWN,
- "Expiration time must be an integer (seconds)\nType '%s -h' for additional help\n",
- PROGNAME);
+ die (STATE_UNKNOWN,
+ _("Expiration time must be an integer (seconds)\n"));
+ break;
+ case 'v':
+ verbose++;
break;
+ default: /* print short usage_va statement if args not parsable */
+ usage5();
}
}
if (status_log == NULL)
- terminate (STATE_UNKNOWN,
- "You must provide the status_log\nType '%s -h' for additional help\n",
- PROGNAME);
- else if (process_string == NULL)
- terminate (STATE_UNKNOWN,
- "You must provide a process string\nType '%s -h' for additional help\n",
- PROGNAME);
+ 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;
}
-
-
void
-print_usage (void)
+print_help (void)
{
- printf
- ("Usage: %s -F <status log file> -e <expire_minutes> -C <process_string>\n",
- PROGNAME);
-}
+ print_revision (progname, NP_VERSION);
+ printf (_(COPYRIGHT), copyright, email);
+ 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_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);
+
+ 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 (UT_SUPPORT);
+}
void
-print_help (void)
+print_usage (void)
{
- print_revision (PROGNAME, "$Revision$");
- printf
- ("Copyright (c) 2000 Ethan Galstad/Karl DeBisschop\n\n"
- "This plugin attempts to check 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 <expire_minutes> option. It also\n"
- "uses the /bin/ps command to check for a process matching whatever you specify\n"
- "by the <process_string> argument.\n");
- print_usage ();
- printf
- ("\nOptions:\n"
- "-F, --filename=FILE\n"
- " Name of the log file to check\n"
- "-e, --expires=INTEGER\n"
- " Seconds aging afterwhich logfile is condsidered stale\n"
- "-C, --command=STRING\n"
- " Command to search for in process table\n"
- "-h, --help\n"
- " Print this help screen\n"
- "-V, --version\n"
- " Print version information\n\n"
- "Example:\n"
- " ./check_nagios -F /usr/local/nagios/var/status.log -e 5 -C /usr/local/nagios/bin/nagios\n");
+ printf (_("Usage:"));
+ printf ("%s -F <status log file> -e <expire_minutes> -C <process_string>\n", progname);
}