Added check_cpu_multicore.

check_cpu_multicore

+#!/usr/bin/python3
+
+# Author: Devon Merner (dmerner)
+# Date: April 21, 2022
+# Purpose: To parse and monitor multicore CPU statistics on a linux machine
+
+STATE_OK=0
+STATE_WARNING=1
+STATE_CRITICAL=2
+STATE_UNKNOWN=3
+
+STATE_LABEL = {
+    STATE_OK : "OK",
+    STATE_WARNING : "WARNING",
+    STATE_CRITICAL : "CRITICAL",
+    STATE_UNKNOWN : "UNKNOWN"
+}
+
+# Default exit code
+EXIT_CODE = STATE_OK
+
+import sys
+import argparse
+import subprocess
+import json
+import shutil
+
+parser = argparse.ArgumentParser()
+parser.add_argument("-d", action="store_true", dest="debug", help="Print debug information")
+
+options = parser.parse_args()
+
+def main():
+	# First check whether the command exists
+	if not shutil.which('mpstat'):
+		print("mpstat command not found.  Is the sysstat package installed? |")
+		sys.exit(STATE_OK)
+
+	# mpstat -P ALL -o JSON
+	fsout = subprocess.Popen(['mpstat', '-P', 'ALL', '-o', 'JSON'], stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
+	stdout = fsout.stdout.read()
+
+	data = json.loads(stdout)
+
+	PERFDATA = ""
+	OUTPUT_STRING = ""
+
+	for core in data['sysstat']['hosts'][0]['statistics'][0]['cpu-load']:
+		if 'all' in core['cpu']:
+			OUTPUT_STRING += f"Total CPU Usage: {round(100 - core['idle'], 2)}%, CPUs: {data['sysstat']['hosts'][0]['number-of-cpus']}, Arch: {data['sysstat']['hosts'][0]['machine']} "
+
+		for key in core:
+			if key == 'cpu':
+				continue
+
+			PERFDATA += f" cpu_{core['cpu']}-{key}={core[key]}"
+
+	print(OUTPUT_STRING + "|" + PERFDATA)
+
+	# Critical/Warning Think Logic
+	if EXIT_CODE == STATE_CRITICAL:
+		sys.exit(STATE_CRITICAL)
+	elif EXIT_CODE == STATE_WARNING:
+		sys.exit(STATE_WARNING)
+	else:
+		sys.exit(STATE_OK)
+
+if __name__ == '__main__':
+	main()