Checkmk-Development/localchecks/edir-version.py

#!/usr/bin/env python3
#
# (c) Michael Honkoop <mhonkoop@comsolve.nl>
#
# License: GNU General Public License v2
#
# Version 0.1
# - Initial release
# Version 0.2
# - Refined routines to cover output more accurately.

import subprocess
import sys

# The process to be executed
myexec = "ndsd"

# The displayed service in Checkmk
service = "eDirectory"

# Attempt to run the executable
try:
    output = subprocess.check_output(
        [myexec, "--version"],
        stderr=subprocess.STDOUT,
        universal_newlines=True
    )

    output_arr = output.split()

    # Output status when the executable returns expected result
    if len(output_arr) >= 4:
        print(
            f'0 "{service}" - Binary Version: '
            f'{output_arr[2]}, DS Version: {output_arr[3]}'
        )
    else:
        print(f'3 "{service}" - Unable to parse version output')

# Executable not found
except FileNotFoundError:
    print(f'3 "{service}" - {myexec} executable not found')

# Executable exists, but returned an error
except subprocess.CalledProcessError as e:
    print(f'2 "{service}" - {myexec} returned error: {e.returncode}')

# Catch unexpected errors
except Exception as e:
    print(f'3 "{service}" - Unexpected error: {e}')

sys.exit(0)