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diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 64e62dde772a81a049a7d79a90b0120561c4cdca..f5dc45df532d7efc23d61d686e16acd2e23d3c10 100644 (file)
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
/******************************************************************************
-
- 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_procs plugin
+*
+* License: GPL
+* Copyright (c) 1999-2006 nagios-plugins team
+*
+* Last Modified: $Date$
+*
+* Description:
+*
+* This file contains the check_procs plugin
+*
+* Checks all processes and generates WARNING or CRITICAL states if the specified
+* metric is outside the required threshold ranges. The metric defaults to number
+* of processes. Search filters can be applied to limit the processes to check.
+*
+* 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.
+*
+* $Id$
+*
******************************************************************************/
const char *progname = "check_procs";
+const char *program_name = "check_procs"; /* Required for coreutils libs */
const char *revision = "$Revision$";
-const char *copyright = "2000-2003";
+const char *copyright = "2000-2006";
const char *email = "nagiosplug-devel@lists.sourceforge.net";
#include "common.h"
#include "popen.h"
#include "utils.h"
+
#include <pwd.h>
int process_arguments (int, char **);
int validate_arguments (void);
int check_thresholds (int);
+int convert_to_seconds (char *);
void print_help (void);
void print_usage (void);
#define VSZ 64
#define RSS 128
#define PCPU 256
-
+#define ELAPSED 512
/* Different metrics */
char *metric_name;
enum metric {
METRIC_PROCS,
METRIC_VSZ,
METRIC_RSS,
- METRIC_CPU
+ METRIC_CPU,
+ METRIC_ELAPSED
};
enum metric metric = METRIC_PROCS;
int verbose = 0;
int uid;
-int ppid;
+pid_t ppid;
int vsz;
int rss;
float pcpu;
-
-
-\f
int
main (int argc, char **argv)
{
- char input_buffer[MAX_INPUT_BUFFER];
+ char *input_buffer;
+ char *input_line;
+ char *procprog;
+ pid_t mypid = 0;
int procuid = 0;
- int procppid = 0;
+ pid_t procpid = 0;
+ pid_t procppid = 0;
int procvsz = 0;
int procrss = 0;
+ int procseconds = 0;
float procpcpu = 0;
char procstat[8];
- char procprog[MAX_INPUT_BUFFER];
+ char procetime[MAX_INPUT_BUFFER] = { '\0' };
char *procargs;
- char *temp_string;
const char *zombie = "Z";
int warn = 0; /* number of processes in warn state */
int crit = 0; /* number of processes in crit state */
int i = 0;
-
int result = STATE_UNKNOWN;
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
+ setlocale(LC_NUMERIC, "POSIX");
+
+ input_buffer = malloc (MAX_INPUT_BUFFER);
+ procprog = malloc (MAX_INPUT_BUFFER);
asprintf (&metric_name, "PROCS");
metric = METRIC_PROCS;
if (process_arguments (argc, argv) == ERROR)
- usage (_("Unable to parse command line\n"));
+ usage4 (_("Could not parse arguments"));
+
+ /* get our pid */
+ mypid = getpid();
+
+ /* Set signal handling and alarm timeout */
+ if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) {
+ usage4 (_("Cannot catch SIGALRM"));
+ }
+ alarm (timeout_interval);
if (verbose >= 2)
printf (_("CMD: %s\n"), PS_COMMAND);
if (child_stderr == NULL)
printf (_("Could not open stderr for %s\n"), PS_COMMAND);
+ /* flush first line */
fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
+ while ( input_buffer[strlen(input_buffer)-1] != '\n' )
+ fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
+ asprintf (&input_line, "%s", input_buffer);
+ while ( input_buffer[strlen(input_buffer)-1] != '\n' ) {
+ fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
+ asprintf (&input_line, "%s%s", input_line, input_buffer);
+ }
+
+ if (verbose >= 3)
+ printf ("%s", input_line);
+
strcpy (procprog, "");
asprintf (&procargs, "%s", "");
- cols = sscanf (input_buffer, PS_FORMAT, PS_VARLIST);
+ cols = sscanf (input_line, PS_FORMAT, PS_VARLIST);
/* Zombie processes do not give a procprog command */
- if ( cols == (expected_cols - 1) && strstr(procstat, zombie) ) {
+ if ( cols < expected_cols && 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;
}
if ( cols >= expected_cols ) {
resultsum = 0;
- asprintf (&procargs, "%s", input_buffer + pos);
+ asprintf (&procargs, "%s", input_line + 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, "/");
- }
+ strcpy(procprog, base_name(procprog));
+
+ /* we need to convert the elapsed time to seconds */
+ procseconds = convert_to_seconds(procetime);
if (verbose >= 3)
- printf ("%d %d %d %d %d %.2f %s %s %s\n",
+ printf ("proc#=%d uid=%d vsz=%d rss=%d pid=%d ppid=%d pcpu=%.2f stat=%s etime=%s prog=%s args=%s\n",
procs, procuid, procvsz, procrss,
- procppid, procpcpu, procstat, procprog, procargs);
+ procpid, procppid, procpcpu, procstat,
+ procetime, procprog, procargs);
/* Ignore self */
- if (strcmp (procprog, progname) == 0) {
- continue;
- }
+ if (mypid == procpid) continue;
if ((options & STAT) && (strstr (statopts, procstat)))
resultsum |= STAT;
/* TODO? float thresholds for --metric=CPU */
else if (metric == METRIC_CPU)
i = check_thresholds ((int)procpcpu);
+ else if (metric == METRIC_ELAPSED)
+ i = check_thresholds (procseconds);
if (metric != METRIC_PROCS) {
if (i == STATE_WARNING) {
/* If we get anything on STDERR, at least set warning */
while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
if (verbose)
- printf (_("STDERR: %s"), input_buffer);
+ printf ("STDERR: %s", input_buffer);
result = max_state (result, STATE_WARNING);
printf (_("System call sent warnings to stderr\n"));
}
-
-
-\f
/* process command-line arguments */
int
process_arguments (int argc, char **argv)
{"vsz", required_argument, 0, 'z'},
{"rss", required_argument, 0, 'r'},
{"pcpu", required_argument, 0, 'P'},
+ {"elapsed", required_argument, 0, 'e'},
{"argument-array", required_argument, 0, 'a'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
switch (c) {
case '?': /* help */
- print_usage ();
- exit (STATE_UNKNOWN);
+ usage5 ();
case 'h': /* help */
print_help ();
exit (STATE_OK);
exit (STATE_OK);
case 't': /* timeout period */
if (!is_integer (optarg))
- usage (_("Timeout Interval must be an integer!\n\n"));
+ usage2 (_("Timeout interval must be a positive integer"), optarg);
else
timeout_interval = atoi (optarg);
break;
else if (sscanf (optarg, "%d:", &cmin) == 1)
break;
else
- usage (_("Critical Process Count must be an integer!\n\n"));
+ usage4 (_("Critical Process Count must be an integer!"));
break;
case 'w': /* warning threshold */
if (is_integer (optarg))
else if (sscanf (optarg, "%d:", &wmin) == 1)
break;
else
- usage (_("Warning Process Count must be an integer!\n\n"));
+ usage4 (_("Warning Process Count must be an integer!"));
break;
case 'p': /* process id */
if (sscanf (optarg, "%d%[^0-9]", &ppid, tmp) == 1) {
options |= PPID;
break;
}
- usage2 (_("%s: Parent Process ID must be an integer!\n\n"), progname);
+ usage4 (_("Parent Process ID must be an integer!"));
case 's': /* status */
if (statopts)
break;
pw = getpwuid ((uid_t) uid);
/* check to be sure user exists */
if (pw == NULL)
- usage2 (_("UID %d was not found\n"), uid);
+ usage2 (_("UID %s was not found"), optarg);
}
else {
pw = getpwnam (optarg);
/* check to be sure user exists */
if (pw == NULL)
- usage2 (_("User name %s was not found\n"), optarg);
+ usage2 (_("User name %s was not found"), optarg);
/* then get uid */
uid = pw->pw_uid;
}
user = pw->pw_name;
- asprintf (&fmt, _("%s%sUID = %d (%s)"), (fmt ? fmt : ""), (options ? ", " : ""),
+ asprintf (&fmt, "%s%sUID = %d (%s)", (fmt ? fmt : ""), (options ? ", " : ""),
uid, user);
options |= USER;
break;
case 'C': /* command */
+ /* TODO: allow this to be passed in with --metric */
if (prog)
break;
else
options |= PROG;
break;
case 'a': /* args (full path name with args) */
+ /* TODO: allow this to be passed in with --metric */
if (args)
break;
else
args = optarg;
- asprintf (&fmt, _("%s%sargs '%s'"), (fmt ? fmt : ""), (options ? ", " : ""), args);
+ asprintf (&fmt, "%s%sargs '%s'", (fmt ? fmt : ""), (options ? ", " : ""), args);
options |= ARGS;
break;
case 'r': /* RSS */
if (sscanf (optarg, "%d%[^0-9]", &rss, tmp) == 1) {
- asprintf (&fmt, _("%s%sRSS >= %d"), (fmt ? fmt : ""), (options ? ", " : ""), rss);
+ asprintf (&fmt, "%s%sRSS >= %d", (fmt ? fmt : ""), (options ? ", " : ""), rss);
options |= RSS;
break;
}
- usage2 (_("%s: RSS must be an integer!\n\n"), progname);
+ usage4 (_("RSS must be an integer!"));
case 'z': /* VSZ */
if (sscanf (optarg, "%d%[^0-9]", &vsz, tmp) == 1) {
- asprintf (&fmt, _("%s%sVSZ >= %d"), (fmt ? fmt : ""), (options ? ", " : ""), vsz);
+ asprintf (&fmt, "%s%sVSZ >= %d", (fmt ? fmt : ""), (options ? ", " : ""), vsz);
options |= VSZ;
break;
}
- usage2 (_("%s: VSZ must be an integer!\n\n"), progname);
+ usage4 (_("VSZ must be an integer!"));
case 'P': /* PCPU */
/* TODO: -P 1.5.5 is accepted */
if (sscanf (optarg, "%f%[^0-9.]", &pcpu, tmp) == 1) {
- asprintf (&fmt, _("%s%sPCPU >= %.2f"), (fmt ? fmt : ""), (options ? ", " : ""), pcpu);
+ asprintf (&fmt, "%s%sPCPU >= %.2f", (fmt ? fmt : ""), (options ? ", " : ""), pcpu);
options |= PCPU;
break;
}
- usage2 (_("%s: PCPU must be a float!\n\n"), progname);
+ usage4 (_("PCPU must be a float!"));
case 'm':
asprintf (&metric_name, "%s", optarg);
if ( strcmp(optarg, "PROCS") == 0) {
metric = METRIC_CPU;
break;
}
- printf (_("%s: metric must be one of PROCS, VSZ, RSS, CPU!\n\n"),
- progname);
- print_usage ();
- exit (STATE_UNKNOWN);
+ else if ( strcmp(optarg, "ELAPSED") == 0) {
+ metric = METRIC_ELAPSED;
+ break;
+ }
+
+ usage4 (_("Metric must be one of PROCS, VSZ, RSS, CPU, ELAPSED!"));
case 'v': /* command */
verbose++;
break;
-
int
validate_arguments ()
{
-
-
-\f
/* Check thresholds against value */
int
check_thresholds (int value)
}
+/* convert the elapsed time to seconds */
+int
+convert_to_seconds(char *etime) {
+
+ char *ptr;
+ int total;
+
+ int hyphcnt;
+ int coloncnt;
+ int days;
+ int hours;
+ int minutes;
+ int seconds;
+
+ hyphcnt = 0;
+ coloncnt = 0;
+ days = 0;
+ hours = 0;
+ minutes = 0;
+ seconds = 0;
+
+ for (ptr = etime; *ptr != '\0'; ptr++) {
+
+ if (*ptr == '-') {
+ hyphcnt++;
+ continue;
+ }
+ if (*ptr == ':') {
+ coloncnt++;
+ continue;
+ }
+ }
+
+ if (hyphcnt > 0) {
+ sscanf(etime, "%d-%d:%d:%d",
+ &days, &hours, &minutes, &seconds);
+ /* linux 2.6.5/2.6.6 reporting some processes with infinite
+ * elapsed times for some reason */
+ if (days == 49710) {
+ return 0;
+ }
+ } else {
+ if (coloncnt == 2) {
+ sscanf(etime, "%d:%d:%d",
+ &hours, &minutes, &seconds);
+ } else if (coloncnt == 1) {
+ sscanf(etime, "%d:%d",
+ &minutes, &seconds);
+ }
+ }
+
+ total = (days * 86400) +
+ (hours * 3600) +
+ (minutes * 60) +
+ seconds;
+ if (verbose >= 3 && metric == METRIC_ELAPSED) {
+ printf("seconds: %d\n", total);
+ }
+ return total;
+}
-\f
void
print_help (void)
{
print_revision (progname, revision);
- printf (_("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>"));
- printf (_(COPYRIGHT), copyright, email);
+ printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>");
+ printf (COPYRIGHT, copyright, email);
- printf(_("\
-Checks all processes and generates WARNING or CRITICAL states if the specified\n\
-metric is outside the required threshold ranges. The metric defaults to number\n\
-of processes. Search filters can be applied to limit the processes to check.\n\n"));
+ printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified"));
+ printf ("%s\n", _("metric is outside the required threshold ranges. The metric defaults to number"));
+ printf ("%s\n", _("of processes. Search filters can be applied to limit the processes to check."));
+ printf ("\n\n");
+
print_usage ();
- printf(_("\n\
-Required Arguments:\n\
- -w, --warning=RANGE\n\
- Generate warning state if metric is outside this range\n\
- -c, --critical=RANGE\n\
- Generate critical state if metric is outside this range\n"));
-
- printf(_("\n\
-Optional Arguments:\n\
- -m, --metric=TYPE\n\
- Check thresholds against metric. Valid types:\n\
- PROCS - number of processes (default)\n\
- VSZ - virtual memory size\n\
- RSS - resident set memory size\n\
- CPU - percentage cpu\n\
- -v, --verbose\n\
- Extra information. Up to 3 verbosity levels\n"));
-
- printf(_("\n\
-Optional Filters:\n\
- -s, --state=STATUSFLAGS\n\
- Only scan for processes that have, in the output of `ps`, one or\n\
- more of the status flags you specify (for example R, Z, S, RS,\n\
- RSZDT, plus others based on the output of your 'ps' command).\n\
- -p, --ppid=PPID\n\
- Only scan for children of the parent process ID indicated.\n\
- -z, --vsz=VSZ\n\
- Only scan for processes with vsz higher than indicated.\n\
- -r, --rss=RSS\n\
- Only scan for processes with rss higher than indicated.\n"));
-
- printf(_("\
- -P, --pcpu=PCPU\n\
- Only scan for processes with pcpu higher than indicated.\n\
- -u, --user=USER\n\
- Only scan for processes with user name or ID indicated.\n\
- -a, --argument-array=STRING\n\
- Only scan for processes with args that contain STRING.\n\
- -C, --command=COMMAND\n\
- Only scan for exact matches of COMMAND (without path).\n"));
+ printf ("%s\n", _("Required Arguments:"));
+ printf (" %s\n", "-w, --warning=RANGE");
+ printf (" %s\n", _("Generate warning state if metric is outside this range"));
+ printf (" %s\n", "-c, --critical=RANGE");
+ printf (" %s\n", _("Generate critical state if metric is outside this range"));
+
+ printf ("%s\n", _("Optional Arguments:"));
+ printf (" %s\n", "-m, --metric=TYPE");
+ printf (" %s\n", _("Check thresholds against metric. Valid types:"));
+ printf (" %s\n", _("PROCS - number of processes (default)"));
+ printf (" %s\n", _("VSZ - virtual memory size"));
+ printf (" %s\n", _("RSS - resident set memory size"));
+ printf (" %s\n", _("CPU - percentage cpu"));
+/* only linux etime is support currently */
+#if defined( __linux__ )
+ printf (" %s\n", _("ELAPSED - time elapsed in seconds"));
+#endif /* defined(__linux__) */
+ printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
+
+ printf (" %s\n", "-v, --verbose");
+ printf (" %s\n", _("Extra information. Up to 3 verbosity levels"));
+
+ printf ("%s\n", "Optional Filters:");
+ printf (" %s\n", "-s, --state=STATUSFLAGS");
+ printf (" %s\n", _("Only scan for processes that have, in the output of `ps`, one or"));
+ printf (" %s\n", _("more of the status flags you specify (for example R, Z, S, RS,"));
+ printf (" %s\n", _("RSZDT, plus others based on the output of your 'ps' command)."));
+ printf (" %s\n", "-p, --ppid=PPID");
+ printf (" %s\n", _("Only scan for children of the parent process ID indicated."));
+ printf (" %s\n", "-z, --vsz=VSZ");
+ printf (" %s\n", _("Only scan for processes with vsz higher than indicated."));
+ printf (" %s\n", "-r, --rss=RSS");
+ printf (" %s\n", _("Only scan for processes with rss higher than indicated."));
+ printf (" %s\n", "-P, --pcpu=PCPU");
+ printf (" %s\n", _("Only scan for processes with pcpu higher than indicated."));
+ printf (" %s\n", "-u, --user=USER");
+ printf (" %s\n", _("Only scan for processes with user name or ID indicated."));
+ printf (" %s\n", "-a, --argument-array=STRING");
+ printf (" %s\n", _("Only scan for processes with args that contain STRING."));
+ printf (" %s\n", "-C, --command=COMMAND");
+ printf (" %s\n", _("Only scan for exact matches of COMMAND (without path)."));
printf(_("\n\
RANGEs are specified 'min:max' or 'min:' or ':max' (or 'max'). If\n\
process owner, parent process PID, current state (e.g., 'Z'), or may\n\
be the total number of running processes\n\n"));
- printf(_("\
-Examples:\n\
- check_procs -w 2:2 -c 2:1024 -C portsentry\n\
- Warning if not two processes with command name portsentry. Critical\n\
- if < 2 or > 1024 processes\n\n\
- check_procs -w 10 -a '/usr/local/bin/perl' -u root\n\
- Warning alert if > 10 processes with command arguments containing \n\
- '/usr/local/bin/perl' and owned by root\n\n\
- check_procs -w 50000 -c 100000 --metric=VSZ\n\
- Alert if vsz of any processes over 50K or 100K\n\
- check_procs -w 10 -c 20 --metric=CPU\n\
- Alert if cpu of any processes over 10% or 20%\n\n"));
+ printf ("%s\n", _("Examples:"));
+ printf (" %s\n", "check_procs -w 2:2 -c 2:1024 -C portsentry");
+ printf (" %s\n", _("Warning if not two processes with command name portsentry."));
+ printf (" %s\n\n", _("Critical if < 2 or > 1024 processes"));
+ printf (" %s\n", "check_procs -w 10 -a '/usr/local/bin/perl' -u root");
+ printf (" %s\n", _("Warning alert if > 10 processes with command arguments containing"));
+ printf (" %s\n\n", _("'/usr/local/bin/perl' and owned by root"));
+ printf (" %s\n", "check_procs -w 50000 -c 100000 --metric=VSZ");
+ printf (" %s\n\n", _("Alert if vsz of any processes over 50K or 100K"));
+ printf (" %s\n", "check_procs -w 10 -c 20 --metric=CPU");
+ printf (" %s\n\n", _("Alert if cpu of any processes over 10%% or 20%%"));
printf (_(UT_SUPPORT));
}
void
print_usage (void)
{
- printf ("\
-Usage: %s -w <range> -c <range> [-m metric] [-s state] [-p ppid]\n\
- [-u user] [-r rss] [-z vsz] [-P %%cpu] [-a argument-array]\n\
- [-C command] [-v]\n", progname);
- printf (_(UT_HLP_VRS), progname, progname);
+ printf (_("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] [-t timeout] [-v]\n");
}
-