Added the nagios .deb config file.

nagios-plugins-ets-1.4/DEBIAN/control

@@ -0,0 +1,9 @@
+Package: nagios-plugins-ets
+Version: 1.4
+Section: utils
+Priority: optional
+Architecture: all
+Depends: python3-psutil, smartmontools
+Maintainer: Your Name <[email protected]>
+Description: Nagios plugins for system monitoring
+ Collection of Nagios plugins for system monitoring, including memory check, smartmon, zpools, and service checks.

nagios-plugins-ets-1.4/DEBIAN/postinst

@@ -0,0 +1,3 @@
+#!/bin/bash
+chmod 755 /usr/lib64/nagios/plugins/*
+

nagios-plugins-ets-1.4/check_mem.c

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+#include <ctype.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <unistd.h>
+
+#define INVAL_SIZE UINT64_C(0xFFFFFFFFFFFFFFFF)
+
+struct mem_stats
+{
+	uint64_t total_kB;
+	uint64_t avail_kB;
+	uint64_t free_kB;
+	uint64_t buffers_kB;
+	uint64_t cached_kB;
+	uint64_t used_kB;
+};
+
+static void dump_mem_stats(struct mem_stats *mem_stats)
+{
+	FILE *fp;
+	char line[1024];
+	unsigned int i;
+	char *nptr;
+
+	fp = fopen("/proc/meminfo", "r");
+
+	mem_stats->total_kB = INVAL_SIZE;
+	mem_stats->avail_kB = INVAL_SIZE;
+	mem_stats->free_kB = INVAL_SIZE;
+	mem_stats->buffers_kB = INVAL_SIZE;
+	mem_stats->cached_kB = INVAL_SIZE;
+	mem_stats->used_kB = INVAL_SIZE;
+
+	while (!feof(fp) && !ferror(fp))
+	{
+		if (!fgets(line, sizeof(line), fp))
+			continue;
+
+		if (strncmp(&line[0], "MemTotal:", 9) == 0)
+		{
+			mem_stats->total_kB = strtoull(&line[9], &nptr, 10);
+			continue;
+		}
+
+		if (strncmp(&line[0], "MemAvailable:", 13) == 0)
+		{
+			mem_stats->avail_kB = strtoull(&line[13], &nptr, 10);
+			continue;
+		}
+
+		if (strncmp(&line[0], "memFree:", 8) == 0)
+		{
+			mem_stats->free_kB = strtoull(&line[8], &nptr, 10);
+			continue;
+		}
+
+		if (strncmp(&line[0], "Buffers:", 8) == 0)
+		{
+			mem_stats->buffers_kB = strtoull(&line[8], &nptr, 10);
+			continue;
+		}
+
+		if (strncmp(&line[0], "Cached:", 7) == 0)
+		{
+			mem_stats->cached_kB = strtoull(&line[7], &nptr, 10);
+			continue;
+		}
+	}
+
+	fclose(fp);
+
+	if (mem_stats->avail_kB == INVAL_SIZE)
+	{
+		mem_stats->avail_kB = 0;
+
+		if (mem_stats->free_kB != INVAL_SIZE)
+			mem_stats->avail_kB += mem_stats->free_kB;
+
+		if (mem_stats->buffers_kB != INVAL_SIZE)
+			mem_stats->avail_kB += mem_stats->buffers_kB;
+
+		if (mem_stats->cached_kB != INVAL_SIZE)
+			mem_stats->avail_kB += mem_stats->cached_kB;
+	}
+
+	if (mem_stats->used_kB == INVAL_SIZE)
+		mem_stats->used_kB = mem_stats->total_kB - mem_stats->avail_kB;
+}
+
+int main(int argc, char **argv)
+{
+	int result;
+	float warn_threshold;
+	float crit_threshold;
+	struct mem_stats stats;
+	float mem_pct;
+	const char *panic_str;
+
+	/* cmd line : $0 -w warn_threshold -c crit_threshold */
+	warn_threshold = strtof(argv[2], NULL);
+	crit_threshold = strtof(argv[4], NULL);
+
+	dump_mem_stats(&stats);
+
+	mem_pct = 10000 * stats.used_kB / stats.total_kB / 100.f;
+
+	panic_str = "OK";
+	result = 0;
+	if (mem_pct >= crit_threshold)
+	{
+		panic_str = "Critical";
+		result = 2;
+	}
+	else if (mem_pct >= warn_threshold)
+	{
+		panic_str = "Warning";
+		result = 1;
+	}
+
+	printf("MEMORY %s - Used = %.2f%% | 'Total'=%" PRIu64 "MB 'Used'=%" PRIu64 "MB 'Free'=%" PRIu64 "MB\n", panic_str, mem_pct, stats.total_kB / 1024, stats.used_kB / 1024, stats.avail_kB / 1024);
+
+	return result;
+}

nagios-plugins-ets-1.4/usr/lib64/nagios/plugins/check_service

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+#!/bin/bash
+
+#Author: Tino
+
+#VARIABLES NAGIOS
+OK=0
+WARNING=1
+CRITICAL=2
+UNKNOWN=3
+
+PROGNAME=`basename $0 .sh`
+VERSION="Version 1.1"
+
+print_version() {
+    echo "$VERSION"
+}
+
+print_help() {
+    print_version $PROGNAME $VERSION
+    echo ""
+    echo "$PROGNAME is a Nagios plugin to check a specific service using systemctl."
+    echo ""
+    echo "$PROGNAME -s <service_name>"
+    exit $UNKNOWN
+}
+
+if test -z "$1"
+then
+        print_help
+        exit $CRITICAL
+fi
+
+while test -n "$1"; do
+    case "$1" in
+        --help|-h)
+            print_help
+            exit $UNKNOWN
+            ;;
+        --version|-v)
+            print_version $PROGNAME $VERSION
+            exit $UNKNOWN
+            ;;
+        --service|-s)
+            SERVICE=$2
+            shift
+            ;;
+        *)
+            echo "Unknown argument: $1"
+            print_help
+            exit $UNKNOWN
+            ;;
+        esac
+    shift
+done
+
+if systemctl is-active $SERVICE >/dev/null 2>&1
+then
+    echo -e "OK: Service $SERVICE is running!"
+    exit $OK
+else
+    echo -e "CRITICAL: Service $SERVICE is not running!"
+    exit $CRITICAL
+fi