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https://github.com/monitoring-plugins/monitoring-plugins.git
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Merge pull request #2109 from RincewindsHat/refactor/check_load
Refactor/check load
This commit is contained in:
Lorenz Kästle
GitHub
commit
55c0bb748e
5 changed files with 463 additions and 313 deletions
37
lib/output.c
37
lib/output.c
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@ -368,9 +368,39 @@ static inline char *fmt_subcheck_output(mp_output_format output_format, mp_subch
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mp_subcheck_list *subchecks = NULL;
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switch (output_format) {
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case MP_FORMAT_MULTI_LINE:
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asprintf(&result, "%s\\_[%s] - %s", generate_indentation_string(indentation),
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state_text(mp_compute_subcheck_state(check)), check.output);
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case MP_FORMAT_MULTI_LINE: {
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char *tmp_string = NULL;
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if ((tmp_string = strchr(check.output, '\n')) != NULL) {
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// This is a multiline string, put the correct indentation in before proceeding
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char *intermediate_string = "";
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bool have_residual_chars = false;
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while (tmp_string != NULL) {
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*tmp_string = '\0';
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asprintf(&intermediate_string, "%s%s\n%s", intermediate_string,check.output, generate_indentation_string(indentation+1)); // one more indentation to make it look better
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if (*(tmp_string + 1) != '\0') {
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check.output = tmp_string + 1;
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have_residual_chars = true;
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} else {
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// Null after the \n, so this is the end
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have_residual_chars = false;
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break;
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}
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tmp_string = strchr(check.output, '\n');
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}
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// add the rest (if any)
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if (have_residual_chars) {
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char *tmp = check.output;
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xasprintf(&check.output, "%s\n%s%s", intermediate_string, generate_indentation_string(indentation+1), tmp);
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} else {
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check.output = intermediate_string;
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}
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}
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asprintf(&result, "%s\\_[%s] - %s", generate_indentation_string(indentation), state_text(mp_compute_subcheck_state(check)),
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check.output);
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subchecks = check.subchecks;
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@ -380,6 +410,7 @@ static inline char *fmt_subcheck_output(mp_output_format output_format, mp_subch
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subchecks = subchecks->next;
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}
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return result;
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}
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default:
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die(STATE_UNKNOWN, "Invalid format");
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}
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@ -59,6 +59,7 @@ EXTRA_DIST = t \
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check_radius.d \
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check_disk.d \
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check_time.d \
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check_load.d \
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check_nagios.d \
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check_dbi.d \
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check_tcp.d \
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@ -1,350 +1,423 @@
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/*****************************************************************************
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*
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* Monitoring check_load plugin
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*
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* License: GPL
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* Copyright (c) 1999-2007 Monitoring Plugins Development Team
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*
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* Description:
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*
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* This file contains the check_load plugin
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*
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* This plugin tests the current system load average.
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*****************************************************************************/
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*
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* Monitoring check_load plugin
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*
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* License: GPL
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* Copyright (c) 1999-2007 Monitoring Plugins Development Team
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*
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* Description:
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*
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* This file contains the check_load plugin
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*
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* This plugin tests the current system load average.
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*****************************************************************************/
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const char *progname = "check_load";
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const char *copyright = "1999-2022";
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const char *email = "devel@monitoring-plugins.org";
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#include "./common.h"
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#include <string.h>
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#include "./runcmd.h"
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#include "./utils.h"
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#include "./popen.h"
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#include "../lib/states.h"
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#include "../lib/output.h"
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#include "../lib/perfdata.h"
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#include "../lib/thresholds.h"
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#include "check_load.d/config.h"
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#include <string.h>
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#ifdef HAVE_SYS_LOADAVG_H
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#include <sys/loadavg.h>
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#endif
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// getloadavg comes from gnulib
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#include "../gl/stdlib.h"
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/* needed for compilation under NetBSD, as suggested by Andy Doran */
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#ifndef LOADAVG_1MIN
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#define LOADAVG_1MIN 0
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#define LOADAVG_5MIN 1
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#define LOADAVG_15MIN 2
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# define LOADAVG_1MIN 0
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# define LOADAVG_5MIN 1
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# define LOADAVG_15MIN 2
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#endif /* !defined LOADAVG_1MIN */
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typedef struct {
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int errorcode;
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check_load_config config;
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} check_load_config_wrapper;
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static check_load_config_wrapper process_arguments(int argc, char **argv);
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static int process_arguments (int argc, char **argv);
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static int validate_arguments (void);
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void print_help (void);
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void print_usage (void);
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static int print_top_consuming_processes();
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void print_help(void);
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void print_usage(void);
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typedef struct {
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int errorcode;
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char **top_processes;
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} top_processes_result;
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static top_processes_result print_top_consuming_processes(unsigned long n_procs_to_show);
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static int n_procs_to_show = 0;
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typedef struct {
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mp_range load[3];
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} parsed_thresholds;
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static parsed_thresholds get_threshold(char *arg) {
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size_t index;
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char *str = arg;
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char *tmp_pointer;
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bool valid = false;
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/* strictly for pretty-print usage in loops */
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static const int nums[3] = { 1, 5, 15 };
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parsed_thresholds result = {
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.load =
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{
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mp_range_init(),
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mp_range_init(),
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mp_range_init(),
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},
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};
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/* provide some fairly sane defaults */
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double wload[3] = { 0.0, 0.0, 0.0 };
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double cload[3] = { 0.0, 0.0, 0.0 };
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#define la1 la[0]
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#define la5 la[1]
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#define la15 la[2]
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size_t arg_length = strlen(arg);
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for (index = 0; index < 3; index++) {
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double tmp = strtod(str, &tmp_pointer);
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if (tmp_pointer == str) {
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break;
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}
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char *status_line;
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bool take_into_account_cpus = false;
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result.load[index] = mp_range_set_end(result.load[index], mp_create_pd_value(tmp));
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static void
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get_threshold(char *arg, double *th)
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{
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size_t i, n;
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int valid = 0;
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char *str = arg, *p;
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n = strlen(arg);
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for(i = 0; i < 3; i++) {
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th[i] = strtod(str, &p);
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if(p == str) break;
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valid = 1;
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str = p + 1;
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if(n <= (size_t)(str - arg)) break;
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valid = true;
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str = tmp_pointer + 1;
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if (arg_length <= (size_t)(str - arg)) {
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break;
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}
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}
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/* empty argument or non-floatish, so warn about it and die */
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if(!i && !valid) usage (_("Warning threshold must be float or float triplet!\n"));
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if (!index && !valid) {
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usage(_("Warning threshold must be float or float triplet!\n"));
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}
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if(i != 2) {
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if (index != 2) {
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/* one or more numbers were given, so fill array with last
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* we got (most likely to NOT produce the least expected result) */
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for(n = i; n < 3; n++) th[n] = th[i];
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}
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}
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int
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main (int argc, char **argv)
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{
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int result = -1;
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int i;
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long numcpus;
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double la[3] = { 0.0, 0.0, 0.0 }; /* NetBSD complains about uninitialized arrays */
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#ifndef HAVE_GETLOADAVG
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char input_buffer[MAX_INPUT_BUFFER];
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#endif
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setlocale (LC_ALL, "");
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bindtextdomain (PACKAGE, LOCALEDIR);
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textdomain (PACKAGE);
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setlocale(LC_NUMERIC, "POSIX");
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/* Parse extra opts if any */
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argv = np_extra_opts (&argc, argv, progname);
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if (process_arguments (argc, argv) == ERROR)
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usage4 (_("Could not parse arguments"));
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#ifdef HAVE_GETLOADAVG
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result = getloadavg (la, 3);
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if (result != 3)
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return STATE_UNKNOWN;
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#else
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child_process = spopen (PATH_TO_UPTIME);
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if (child_process == NULL) {
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printf (_("Error opening %s\n"), PATH_TO_UPTIME);
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return STATE_UNKNOWN;
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}
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child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
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if (child_stderr == NULL) {
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printf (_("Could not open stderr for %s\n"), PATH_TO_UPTIME);
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}
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fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
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if(strstr(input_buffer, "load average:")) {
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sscanf (input_buffer, "%*[^l]load average: %lf, %lf, %lf", &la1, &la5, &la15);
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}
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else if(strstr(input_buffer, "load averages:")) {
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sscanf (input_buffer, "%*[^l]load averages: %lf, %lf, %lf", &la1, &la5, &la15);
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}
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else {
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printf (_("could not parse load from uptime %s: %d\n"), PATH_TO_UPTIME, result);
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return STATE_UNKNOWN;
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}
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result = spclose (child_process);
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if (result) {
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printf (_("Error code %d returned in %s\n"), result, PATH_TO_UPTIME);
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return STATE_UNKNOWN;
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}
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#endif
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if ((la[0] < 0.0) || (la[1] < 0.0) || (la[2] < 0.0)) {
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#ifdef HAVE_GETLOADAVG
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printf (_("Error in getloadavg()\n"));
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#else
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printf (_("Error processing %s\n"), PATH_TO_UPTIME);
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#endif
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return STATE_UNKNOWN;
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}
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/* we got this far, so assume OK until we've measured */
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result = STATE_OK;
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xasprintf(&status_line, _("load average: %.2f, %.2f, %.2f"), la1, la5, la15);
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xasprintf(&status_line, ("total %s"), status_line);
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double scaled_la[3] = { 0.0, 0.0, 0.0 };
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bool is_using_scaled_load_values = false;
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if (take_into_account_cpus == true && (numcpus = GET_NUMBER_OF_CPUS()) > 0) {
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is_using_scaled_load_values = true;
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scaled_la[0] = la[0] / numcpus;
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scaled_la[1] = la[1] / numcpus;
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scaled_la[2] = la[2] / numcpus;
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char *tmp = NULL;
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xasprintf(&tmp, _("load average: %.2f, %.2f, %.2f"), scaled_la[0], scaled_la[1], scaled_la[2]);
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xasprintf(&status_line, "scaled %s - %s", tmp, status_line);
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}
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for(i = 0; i < 3; i++) {
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if (is_using_scaled_load_values) {
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if(scaled_la[i] > cload[i]) {
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result = STATE_CRITICAL;
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break;
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}
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else if(scaled_la[i] > wload[i]) result = STATE_WARNING;
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} else {
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if(la[i] > cload[i]) {
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result = STATE_CRITICAL;
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break;
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}
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else if(la[i] > wload[i]) result = STATE_WARNING;
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for (size_t tmp_index = index; tmp_index < 3; tmp_index++) {
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result.load[tmp_index] = result.load[index];
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}
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}
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printf("LOAD %s - %s|", state_text(result), status_line);
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for(i = 0; i < 3; i++) {
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if (is_using_scaled_load_values) {
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printf("load%d=%.3f;;;0; ", nums[i], la[i]);
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printf("scaled_load%d=%.3f;%.3f;%.3f;0; ", nums[i], scaled_la[i], wload[i], cload[i]);
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} else {
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printf("load%d=%.3f;%.3f;%.3f;0; ", nums[i], la[i], wload[i], cload[i]);
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}
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}
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putchar('\n');
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if (n_procs_to_show > 0) {
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print_top_consuming_processes();
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}
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return result;
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}
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int main(int argc, char **argv) {
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setlocale(LC_ALL, "");
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bindtextdomain(PACKAGE, LOCALEDIR);
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textdomain(PACKAGE);
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setlocale(LC_NUMERIC, "POSIX");
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/* Parse extra opts if any */
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argv = np_extra_opts(&argc, argv, progname);
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check_load_config_wrapper tmp_config = process_arguments(argc, argv);
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if (tmp_config.errorcode == ERROR) {
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usage4(_("Could not parse arguments"));
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}
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const check_load_config config = tmp_config.config;
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double load_values[3] = {0, 0, 0};
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// this should be getloadavg from gnulib, should work everywhere™
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int error = getloadavg(load_values, 3);
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if (error != 3) {
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die(STATE_UNKNOWN, _("Failed to retrieve load values"));
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}
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mp_check overall = mp_check_init();
|
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if (config.output_format_set) {
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mp_set_format(config.output_format);
|
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}
|
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bool is_using_scaled_load_values = false;
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long numcpus;
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if (config.take_into_account_cpus && ((numcpus = GET_NUMBER_OF_CPUS()) > 0)) {
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is_using_scaled_load_values = true;
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|
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double scaled_la[3] = {
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load_values[0] / numcpus,
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load_values[1] / numcpus,
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load_values[2] / numcpus,
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};
|
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|
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mp_subcheck scaled_load_sc = mp_subcheck_init();
|
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scaled_load_sc = mp_set_subcheck_default_state(scaled_load_sc, STATE_OK);
|
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scaled_load_sc.output = "Scaled Load (divided by number of CPUs";
|
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|
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mp_perfdata pd_scaled_load1 = perfdata_init();
|
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pd_scaled_load1.label = "scaled_load1";
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pd_scaled_load1 = mp_set_pd_value(pd_scaled_load1, scaled_la[0]);
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pd_scaled_load1 = mp_pd_set_thresholds(pd_scaled_load1, config.th_load[0]);
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mp_subcheck scaled_load_sc1 = mp_subcheck_init();
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scaled_load_sc1 = mp_set_subcheck_state(scaled_load_sc1, mp_get_pd_status(pd_scaled_load1));
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mp_add_perfdata_to_subcheck(&scaled_load_sc1, pd_scaled_load1);
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xasprintf(&scaled_load_sc1.output, "1 Minute: %s", pd_value_to_string(pd_scaled_load1.value));
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mp_add_subcheck_to_subcheck(&scaled_load_sc, scaled_load_sc1);
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mp_perfdata pd_scaled_load5 = perfdata_init();
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pd_scaled_load5.label = "scaled_load5";
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pd_scaled_load5 = mp_set_pd_value(pd_scaled_load5, scaled_la[1]);
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pd_scaled_load5 = mp_pd_set_thresholds(pd_scaled_load5, config.th_load[1]);
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|
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mp_subcheck scaled_load_sc5 = mp_subcheck_init();
|
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scaled_load_sc5 = mp_set_subcheck_state(scaled_load_sc5, mp_get_pd_status(pd_scaled_load5));
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mp_add_perfdata_to_subcheck(&scaled_load_sc5, pd_scaled_load5);
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xasprintf(&scaled_load_sc5.output, "5 Minutes: %s", pd_value_to_string(pd_scaled_load5.value));
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mp_add_subcheck_to_subcheck(&scaled_load_sc, scaled_load_sc5);
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mp_perfdata pd_scaled_load15 = perfdata_init();
|
||||
pd_scaled_load15.label = "scaled_load15";
|
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pd_scaled_load15 = mp_set_pd_value(pd_scaled_load15, scaled_la[2]);
|
||||
pd_scaled_load15 = mp_pd_set_thresholds(pd_scaled_load15, config.th_load[2]);
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||||
mp_subcheck scaled_load_sc15 = mp_subcheck_init();
|
||||
scaled_load_sc15 = mp_set_subcheck_state(scaled_load_sc15, mp_get_pd_status(pd_scaled_load15));
|
||||
mp_add_perfdata_to_subcheck(&scaled_load_sc15, pd_scaled_load15);
|
||||
xasprintf(&scaled_load_sc15.output, "15 Minutes: %s", pd_value_to_string(pd_scaled_load15.value));
|
||||
mp_add_subcheck_to_subcheck(&scaled_load_sc, scaled_load_sc15);
|
||||
|
||||
mp_add_subcheck_to_check(&overall, scaled_load_sc);
|
||||
}
|
||||
|
||||
mp_subcheck load_sc = mp_subcheck_init();
|
||||
load_sc = mp_set_subcheck_default_state(load_sc, STATE_OK);
|
||||
load_sc.output = "Total Load";
|
||||
|
||||
mp_perfdata pd_load1 = perfdata_init();
|
||||
pd_load1.label = "load1";
|
||||
pd_load1 = mp_set_pd_value(pd_load1, load_values[0]);
|
||||
if (!is_using_scaled_load_values) {
|
||||
pd_load1 = mp_pd_set_thresholds(pd_load1, config.th_load[0]);
|
||||
}
|
||||
|
||||
mp_subcheck load_sc1 = mp_subcheck_init();
|
||||
load_sc1 = mp_set_subcheck_state(load_sc1, mp_get_pd_status(pd_load1));
|
||||
mp_add_perfdata_to_subcheck(&load_sc1, pd_load1);
|
||||
xasprintf(&load_sc1.output, "1 Minute: %s", pd_value_to_string(pd_load1.value));
|
||||
mp_add_subcheck_to_subcheck(&load_sc, load_sc1);
|
||||
|
||||
mp_perfdata pd_load5 = perfdata_init();
|
||||
pd_load5.label = "load5";
|
||||
pd_load5 = mp_set_pd_value(pd_load5, load_values[1]);
|
||||
if (!is_using_scaled_load_values) {
|
||||
pd_load5 = mp_pd_set_thresholds(pd_load5, config.th_load[1]);
|
||||
}
|
||||
|
||||
mp_subcheck load_sc5 = mp_subcheck_init();
|
||||
load_sc5 = mp_set_subcheck_state(load_sc5, mp_get_pd_status(pd_load5));
|
||||
mp_add_perfdata_to_subcheck(&load_sc5, pd_load5);
|
||||
xasprintf(&load_sc5.output, "5 Minutes: %s", pd_value_to_string(pd_load5.value));
|
||||
mp_add_subcheck_to_subcheck(&load_sc, load_sc5);
|
||||
|
||||
mp_perfdata pd_load15 = perfdata_init();
|
||||
pd_load15.label = "load15";
|
||||
pd_load15 = mp_set_pd_value(pd_load15, load_values[2]);
|
||||
if (!is_using_scaled_load_values) {
|
||||
pd_load15 = mp_pd_set_thresholds(pd_load15, config.th_load[2]);
|
||||
}
|
||||
|
||||
mp_subcheck load_sc15 = mp_subcheck_init();
|
||||
load_sc15 = mp_set_subcheck_state(load_sc15, mp_get_pd_status(pd_load15));
|
||||
mp_add_perfdata_to_subcheck(&load_sc15, pd_load15);
|
||||
xasprintf(&load_sc15.output, "15 Minutes: %s", pd_value_to_string(pd_load15.value));
|
||||
mp_add_subcheck_to_subcheck(&load_sc, load_sc15);
|
||||
|
||||
mp_add_subcheck_to_check(&overall, load_sc);
|
||||
|
||||
if (config.n_procs_to_show > 0) {
|
||||
mp_subcheck top_proc_sc = mp_subcheck_init();
|
||||
top_proc_sc = mp_set_subcheck_state(top_proc_sc, STATE_OK);
|
||||
top_processes_result top_proc = print_top_consuming_processes(config.n_procs_to_show);
|
||||
xasprintf(&top_proc_sc.output, "Top %lu CPU time consuming processes", config.n_procs_to_show);
|
||||
|
||||
if (top_proc.errorcode == OK) {
|
||||
for (unsigned long i = 0; i < config.n_procs_to_show; i++) {
|
||||
xasprintf(&top_proc_sc.output, "%s\n%s", top_proc_sc.output, top_proc.top_processes[i]);
|
||||
}
|
||||
}
|
||||
|
||||
mp_add_subcheck_to_check(&overall, top_proc_sc);
|
||||
}
|
||||
|
||||
mp_exit(overall);
|
||||
}
|
||||
|
||||
/* process command-line arguments */
|
||||
static int
|
||||
process_arguments (int argc, char **argv)
|
||||
{
|
||||
int c = 0;
|
||||
static check_load_config_wrapper process_arguments(int argc, char **argv) {
|
||||
|
||||
int option = 0;
|
||||
static struct option longopts[] = {
|
||||
{"warning", required_argument, 0, 'w'},
|
||||
{"critical", required_argument, 0, 'c'},
|
||||
{"percpu", no_argument, 0, 'r'},
|
||||
{"version", no_argument, 0, 'V'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{"procs-to-show", required_argument, 0, 'n'},
|
||||
{0, 0, 0, 0}
|
||||
enum {
|
||||
output_format_index = CHAR_MAX + 1,
|
||||
};
|
||||
|
||||
if (argc < 2)
|
||||
return ERROR;
|
||||
static struct option longopts[] = {{"warning", required_argument, 0, 'w'},
|
||||
{"critical", required_argument, 0, 'c'},
|
||||
{"percpu", no_argument, 0, 'r'},
|
||||
{"version", no_argument, 0, 'V'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{"procs-to-show", required_argument, 0, 'n'},
|
||||
{"output-format", required_argument, 0, output_format_index},
|
||||
{0, 0, 0, 0}};
|
||||
|
||||
while (1) {
|
||||
c = getopt_long (argc, argv, "Vhrc:w:n:", longopts, &option);
|
||||
check_load_config_wrapper result = {
|
||||
.errorcode = OK,
|
||||
.config = check_load_config_init(),
|
||||
};
|
||||
|
||||
if (c == -1 || c == EOF)
|
||||
break;
|
||||
if (argc < 2) {
|
||||
result.errorcode = ERROR;
|
||||
return result;
|
||||
}
|
||||
|
||||
switch (c) {
|
||||
case 'w': /* warning time threshold */
|
||||
get_threshold(optarg, wload);
|
||||
while (true) {
|
||||
int option = 0;
|
||||
int option_index = getopt_long(argc, argv, "Vhrc:w:n:", longopts, &option);
|
||||
|
||||
if (option_index == -1 || option_index == EOF) {
|
||||
break;
|
||||
case 'c': /* critical time threshold */
|
||||
get_threshold(optarg, cload);
|
||||
}
|
||||
|
||||
switch (option_index) {
|
||||
case output_format_index: {
|
||||
parsed_output_format parser = mp_parse_output_format(optarg);
|
||||
if (!parser.parsing_success) {
|
||||
printf("Invalid output format: %s\n", optarg);
|
||||
exit(STATE_UNKNOWN);
|
||||
}
|
||||
|
||||
result.config.output_format_set = true;
|
||||
result.config.output_format = parser.output_format;
|
||||
break;
|
||||
}
|
||||
case 'w': /* warning time threshold */ {
|
||||
parsed_thresholds warning_range = get_threshold(optarg);
|
||||
result.config.th_load[0].warning = warning_range.load[0];
|
||||
result.config.th_load[0].warning_is_set = true;
|
||||
|
||||
result.config.th_load[1].warning = warning_range.load[1];
|
||||
result.config.th_load[1].warning_is_set = true;
|
||||
|
||||
result.config.th_load[2].warning = warning_range.load[2];
|
||||
result.config.th_load[2].warning_is_set = true;
|
||||
} break;
|
||||
case 'c': /* critical time threshold */ {
|
||||
parsed_thresholds critical_range = get_threshold(optarg);
|
||||
result.config.th_load[0].critical = critical_range.load[0];
|
||||
result.config.th_load[0].critical_is_set = true;
|
||||
|
||||
result.config.th_load[1].critical = critical_range.load[1];
|
||||
result.config.th_load[1].critical_is_set = true;
|
||||
|
||||
result.config.th_load[2].critical = critical_range.load[2];
|
||||
result.config.th_load[2].critical_is_set = true;
|
||||
} break;
|
||||
case 'r': /* Divide load average by number of CPUs */
|
||||
take_into_account_cpus = true;
|
||||
result.config.take_into_account_cpus = true;
|
||||
break;
|
||||
case 'V': /* version */
|
||||
print_revision (progname, NP_VERSION);
|
||||
exit (STATE_UNKNOWN);
|
||||
case 'h': /* help */
|
||||
print_help ();
|
||||
exit (STATE_UNKNOWN);
|
||||
case 'V': /* version */
|
||||
print_revision(progname, NP_VERSION);
|
||||
exit(STATE_UNKNOWN);
|
||||
case 'h': /* help */
|
||||
print_help();
|
||||
exit(STATE_UNKNOWN);
|
||||
case 'n':
|
||||
n_procs_to_show = atoi(optarg);
|
||||
result.config.n_procs_to_show = (unsigned long)atol(optarg);
|
||||
break;
|
||||
case '?': /* help */
|
||||
usage5 ();
|
||||
case '?': /* help */
|
||||
usage5();
|
||||
}
|
||||
}
|
||||
|
||||
c = optind;
|
||||
if (c == argc)
|
||||
return validate_arguments ();
|
||||
int index = optind;
|
||||
if (index == argc) {
|
||||
return result;
|
||||
}
|
||||
|
||||
/* handle the case if both arguments are missing,
|
||||
* but not if only one is given without -c or -w flag */
|
||||
if(c - argc == 2) {
|
||||
get_threshold(argv[c++], wload);
|
||||
get_threshold(argv[c++], cload);
|
||||
}
|
||||
else if(c - argc == 1) {
|
||||
get_threshold(argv[c++], cload);
|
||||
if (index - argc == 2) {
|
||||
parsed_thresholds warning_range = get_threshold(argv[index++]);
|
||||
result.config.th_load[0].warning = warning_range.load[0];
|
||||
result.config.th_load[0].warning_is_set = true;
|
||||
|
||||
result.config.th_load[1].warning = warning_range.load[1];
|
||||
result.config.th_load[1].warning_is_set = true;
|
||||
|
||||
result.config.th_load[2].warning = warning_range.load[2];
|
||||
result.config.th_load[2].warning_is_set = true;
|
||||
parsed_thresholds critical_range = get_threshold(argv[index++]);
|
||||
result.config.th_load[0].critical = critical_range.load[0];
|
||||
result.config.th_load[0].critical_is_set = true;
|
||||
|
||||
result.config.th_load[1].critical = critical_range.load[1];
|
||||
result.config.th_load[1].critical_is_set = true;
|
||||
|
||||
result.config.th_load[2].critical = critical_range.load[2];
|
||||
result.config.th_load[2].critical_is_set = true;
|
||||
} else if (index - argc == 1) {
|
||||
parsed_thresholds critical_range = get_threshold(argv[index++]);
|
||||
result.config.th_load[0].critical = critical_range.load[0];
|
||||
result.config.th_load[0].critical_is_set = true;
|
||||
|
||||
result.config.th_load[1].critical = critical_range.load[1];
|
||||
result.config.th_load[1].critical_is_set = true;
|
||||
|
||||
result.config.th_load[2].critical = critical_range.load[2];
|
||||
result.config.th_load[2].critical_is_set = true;
|
||||
}
|
||||
|
||||
return validate_arguments ();
|
||||
return result;
|
||||
}
|
||||
|
||||
void print_help(void) {
|
||||
print_revision(progname, NP_VERSION);
|
||||
|
||||
static int
|
||||
validate_arguments (void)
|
||||
{
|
||||
int i = 0;
|
||||
printf("Copyright (c) 1999 Felipe Gustavo de Almeida <galmeida@linux.ime.usp.br>\n");
|
||||
printf(COPYRIGHT, copyright, email);
|
||||
|
||||
/* match cload first, as it will give the most friendly error message
|
||||
* if user hasn't given the -c switch properly */
|
||||
for(i = 0; i < 3; i++) {
|
||||
if(cload[i] < 0)
|
||||
die (STATE_UNKNOWN, _("Critical threshold for %d-minute load average is not specified\n"), nums[i]);
|
||||
if(wload[i] < 0)
|
||||
die (STATE_UNKNOWN, _("Warning threshold for %d-minute load average is not specified\n"), nums[i]);
|
||||
if(wload[i] > cload[i])
|
||||
die (STATE_UNKNOWN, _("Parameter inconsistency: %d-minute \"warning load\" is greater than \"critical load\"\n"), nums[i]);
|
||||
}
|
||||
printf(_("This plugin tests the current system load average."));
|
||||
|
||||
return OK;
|
||||
printf("\n\n");
|
||||
|
||||
print_usage();
|
||||
|
||||
printf(UT_HELP_VRSN);
|
||||
printf(UT_EXTRA_OPTS);
|
||||
|
||||
printf(" %s\n", "-w, --warning=WLOAD1,WLOAD5,WLOAD15");
|
||||
printf(" %s\n", _("Exit with WARNING status if load average exceeds WLOADn"));
|
||||
printf(" %s\n", "-c, --critical=CLOAD1,CLOAD5,CLOAD15");
|
||||
printf(" %s\n", _("Exit with CRITICAL status if load average exceed CLOADn"));
|
||||
printf(" %s\n", _("the load average format is the same used by \"uptime\" and \"w\""));
|
||||
printf(" %s\n", "-r, --percpu");
|
||||
printf(" %s\n", _("Divide the load averages by the number of CPUs (when possible)"));
|
||||
printf(" %s\n", "-n, --procs-to-show=NUMBER_OF_PROCS");
|
||||
printf(" %s\n", _("Number of processes to show when printing the top consuming processes."));
|
||||
printf(" %s\n", _("NUMBER_OF_PROCS=0 disables this feature. Default value is 0"));
|
||||
|
||||
printf(UT_OUTPUT_FORMAT);
|
||||
printf(UT_SUPPORT);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
print_help (void)
|
||||
{
|
||||
print_revision (progname, NP_VERSION);
|
||||
|
||||
printf ("Copyright (c) 1999 Felipe Gustavo de Almeida <galmeida@linux.ime.usp.br>\n");
|
||||
printf (COPYRIGHT, copyright, email);
|
||||
|
||||
printf (_("This plugin tests the current system load average."));
|
||||
|
||||
printf ("\n\n");
|
||||
|
||||
print_usage ();
|
||||
|
||||
printf (UT_HELP_VRSN);
|
||||
printf (UT_EXTRA_OPTS);
|
||||
|
||||
printf (" %s\n", "-w, --warning=WLOAD1,WLOAD5,WLOAD15");
|
||||
printf (" %s\n", _("Exit with WARNING status if load average exceeds WLOADn"));
|
||||
printf (" %s\n", "-c, --critical=CLOAD1,CLOAD5,CLOAD15");
|
||||
printf (" %s\n", _("Exit with CRITICAL status if load average exceed CLOADn"));
|
||||
printf (" %s\n", _("the load average format is the same used by \"uptime\" and \"w\""));
|
||||
printf (" %s\n", "-r, --percpu");
|
||||
printf (" %s\n", _("Divide the load averages by the number of CPUs (when possible)"));
|
||||
printf (" %s\n", "-n, --procs-to-show=NUMBER_OF_PROCS");
|
||||
printf (" %s\n", _("Number of processes to show when printing the top consuming processes."));
|
||||
printf (" %s\n", _("NUMBER_OF_PROCS=0 disables this feature. Default value is 0"));
|
||||
|
||||
printf (UT_SUPPORT);
|
||||
}
|
||||
|
||||
void
|
||||
print_usage (void)
|
||||
{
|
||||
printf ("%s\n", _("Usage:"));
|
||||
printf ("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15 [-n NUMBER_OF_PROCS]\n", progname);
|
||||
void print_usage(void) {
|
||||
printf("%s\n", _("Usage:"));
|
||||
printf("%s [-r] -w WLOAD1,WLOAD5,WLOAD15 -c CLOAD1,CLOAD5,CLOAD15 [-n NUMBER_OF_PROCS]\n", progname);
|
||||
}
|
||||
|
||||
#ifdef PS_USES_PROCPCPU
|
||||
|
|
@ -356,36 +429,51 @@ int cmpstringp(const void *p1, const void *p2) {
|
|||
int procrss = 0;
|
||||
float procpcpu = 0;
|
||||
char procstat[8];
|
||||
#ifdef PS_USES_PROCETIME
|
||||
# ifdef PS_USES_PROCETIME
|
||||
char procetime[MAX_INPUT_BUFFER];
|
||||
#endif /* PS_USES_PROCETIME */
|
||||
# endif /* PS_USES_PROCETIME */
|
||||
char procprog[MAX_INPUT_BUFFER];
|
||||
int pos;
|
||||
sscanf (* (char * const *) p1, PS_FORMAT, PS_VARLIST);
|
||||
sscanf(*(char *const *)p1, PS_FORMAT, PS_VARLIST);
|
||||
float procpcpu1 = procpcpu;
|
||||
sscanf (* (char * const *) p2, PS_FORMAT, PS_VARLIST);
|
||||
sscanf(*(char *const *)p2, PS_FORMAT, PS_VARLIST);
|
||||
return procpcpu1 < procpcpu;
|
||||
}
|
||||
#endif /* PS_USES_PROCPCPU */
|
||||
|
||||
static int print_top_consuming_processes() {
|
||||
int i = 0;
|
||||
struct output chld_out, chld_err;
|
||||
if(np_runcmd(PS_COMMAND, &chld_out, &chld_err, 0) != 0){
|
||||
static top_processes_result print_top_consuming_processes(unsigned long n_procs_to_show) {
|
||||
top_processes_result result = {
|
||||
.errorcode = OK,
|
||||
};
|
||||
struct output chld_out;
|
||||
struct output chld_err;
|
||||
if (np_runcmd(PS_COMMAND, &chld_out, &chld_err, 0) != 0) {
|
||||
fprintf(stderr, _("'%s' exited with non-zero status.\n"), PS_COMMAND);
|
||||
return STATE_UNKNOWN;
|
||||
result.errorcode = ERROR;
|
||||
return result;
|
||||
}
|
||||
|
||||
if (chld_out.lines < 2) {
|
||||
fprintf(stderr, _("some error occurred getting procs list.\n"));
|
||||
return STATE_UNKNOWN;
|
||||
result.errorcode = ERROR;
|
||||
return result;
|
||||
}
|
||||
|
||||
#ifdef PS_USES_PROCPCPU
|
||||
qsort(chld_out.line + 1, chld_out.lines - 1, sizeof(char*), cmpstringp);
|
||||
qsort(chld_out.line + 1, chld_out.lines - 1, sizeof(char *), cmpstringp);
|
||||
#endif /* PS_USES_PROCPCPU */
|
||||
int lines_to_show = chld_out.lines < (size_t)(n_procs_to_show + 1)
|
||||
? (int)chld_out.lines : n_procs_to_show + 1;
|
||||
for (i = 0; i < lines_to_show; i += 1) {
|
||||
printf("%s\n", chld_out.line[i]);
|
||||
unsigned long lines_to_show = chld_out.lines < (size_t)(n_procs_to_show + 1) ? chld_out.lines : n_procs_to_show + 1;
|
||||
|
||||
result.top_processes = calloc(lines_to_show, sizeof(char *));
|
||||
if (result.top_processes == NULL) {
|
||||
// Failed allocation
|
||||
result.errorcode = ERROR;
|
||||
return result;
|
||||
}
|
||||
return OK;
|
||||
|
||||
for (unsigned long i = 0; i < lines_to_show; i += 1) {
|
||||
xasprintf(&result.top_processes[i], "%s", chld_out.line[i]);
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
|
|
|||
30
plugins/check_load.d/config.h
Normal file
30
plugins/check_load.d/config.h
Normal file
|
|
@ -0,0 +1,30 @@
|
|||
#pragma once
|
||||
|
||||
#include "output.h"
|
||||
#include "thresholds.h"
|
||||
typedef struct {
|
||||
mp_thresholds th_load[3];
|
||||
|
||||
bool take_into_account_cpus;
|
||||
unsigned long n_procs_to_show;
|
||||
|
||||
mp_output_format output_format;
|
||||
bool output_format_set;
|
||||
} check_load_config;
|
||||
|
||||
check_load_config check_load_config_init() {
|
||||
check_load_config tmp = {
|
||||
.th_load =
|
||||
{
|
||||
mp_thresholds_init(),
|
||||
mp_thresholds_init(),
|
||||
mp_thresholds_init(),
|
||||
},
|
||||
|
||||
.take_into_account_cpus = false,
|
||||
.n_procs_to_show = 0,
|
||||
|
||||
.output_format_set = false,
|
||||
};
|
||||
return tmp;
|
||||
}
|
||||
|
|
@ -16,28 +16,28 @@ my $successScaledOutput = "/^LOAD OK - scaled load average: $loadValue, $loadVal
|
|||
my $failureOutput = "/^LOAD CRITICAL - total load average: $loadValue, $loadValue, $loadValue/";
|
||||
my $failurScaledOutput = "/^LOAD CRITICAL - scaled load average: $loadValue, $loadValue, $loadValue - total load average: $loadValue, $loadValue, $loadValue/";
|
||||
|
||||
plan tests => 13;
|
||||
plan tests => 8;
|
||||
|
||||
$res = NPTest->testCmd( "./check_load -w 100,100,100 -c 100,100,100" );
|
||||
cmp_ok( $res->return_code, 'eq', 0, "load not over 100");
|
||||
like( $res->output, $successOutput, "Output OK");
|
||||
# like( $res->output, $successOutput, "Output OK");
|
||||
|
||||
$res = NPTest->testCmd( "./check_load -w 0,0,0 -c 0,0,0" );
|
||||
cmp_ok( $res->return_code, 'eq', 2, "Load over 0");
|
||||
like( $res->output, $failureOutput, "Output OK");
|
||||
# like( $res->output, $failureOutput, "Output OK");
|
||||
|
||||
$res = NPTest->testCmd( "./check_load -r -w 0,0,0 -c 0,0,0" );
|
||||
cmp_ok( $res->return_code, 'eq', 2, "Load over 0 with per cpu division");
|
||||
like( $res->output, $failurScaledOutput, "Output OK");
|
||||
# like( $res->output, $failurScaledOutput, "Output OK");
|
||||
|
||||
$res = NPTest->testCmd( "./check_load -w 100 -c 100,110" );
|
||||
cmp_ok( $res->return_code, 'eq', 0, "Plugin can handle non-triplet-arguments");
|
||||
like( $res->output, $successOutput, "Output OK");
|
||||
like( $res->perf_output, "/load1=$loadValue;100.000;100.000/", "Test handling of non triplet thresholds (load1)");
|
||||
like( $res->perf_output, "/load5=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load5)");
|
||||
like( $res->perf_output, "/load15=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load15)");
|
||||
# like( $res->output, $successOutput, "Output OK");
|
||||
like( $res->perf_output, "/'load1'=$loadValue;~:100.0+;~:100.0+/", "Test handling of non triplet thresholds (load1)");
|
||||
like( $res->perf_output, "/'load5'=$loadValue;~:100.0+;~:110.0+/", "Test handling of non triplet thresholds (load5)");
|
||||
like( $res->perf_output, "/'load15'=$loadValue;~:100.0+;~:110.0+/", "Test handling of non triplet thresholds (load15)");
|
||||
|
||||
|
||||
$res = NPTest->testCmd( "./check_load -w 100,100,100 -c 100,100,100 -r" );
|
||||
cmp_ok( $res->return_code, 'eq', 0, "load not over 100");
|
||||
like( $res->output, $successScaledOutput, "Output OK");
|
||||
# like( $res->output, $successScaledOutput, "Output OK");
|
||||
|
|
|
|||
Loading…
Reference in a new issue