Cron Job Monitor

Description

This set of scripts reads cron job entries and check whether the cron jobs are running as it is supposed to be and, if it does, check whether there are any error messages. If it finds these problems, it creates a log and sends out email.

Location of Scripts and Their Names

Location: /data/mta/Script/Cron_check/Scripts/

GitHub Address: https://github.com/chandra-mta/MTA

cron_wrap_script	Mar 03, 2021
cron_main_script	Mar 03, 2021
check_cron_records.py	Mar 03, 2021
monthly_cleanup.py	Mar 03, 2021
send_error_list_email.py	Mar 03, 2021
Retired
find_cron_records.py	Nov 08, 2018
find_cron_records_colossus.py	Nov 08, 2018

Please read README file for more details. /data/mta/Script/Cron_check/Scripts/README.

Sep 16, 2014	Initially logged
Jul 16, 2015	colossus-v added
Apr 05, 2018	colossus-v needs /usr/bin/python. created its version
Nov 20, 2018	han-v/luke-v added
May 13, 2019	updated python3.6
May 20, 2019	a time stamp bug fixed
Jun 10, 2020	han-v, luke-v removed/boba-v added
Oct 26, 2020	read_data_file moved from mta coomon function to avoid jinja2
Oct 27, 2020	python 3.6 environment set for email
Oct 28, 2020	a bug: not recording log fixed
Jan 20, 2021	error checking condition updated
Mar 03, 2021	python 3.8 upate

Data Needed

/home/mta/Logs/*cron
/home/cus/Logs/*cron

Environment Setting

setenv PYTHONPATH "/data/mta/Script/Python3.8/envs/ska3-shiny/lib/python3.8/site-packages:/data/mta/Script/Python3.8/lib/python3.8/site-packages/"

Output Locations and File Names

/data/mta/Script/Cron_check/house_keeping/Records/
- c3po-v_mta
- r2e2-v_mta
- c3po-v_cus
- r2e2-v_cus
- rhodes_cus
- r2d2-v_mta_error_list
- c3po-v_mta_error_list

How to Run the Script(s)

Log into: a machine you want to check with the user you want to check
run: /data/mta/Script/Cron_check/Scripts/check_cron_records.py
run once a day: /data/mta/Script/Cron_check/Scripts/send_error_list_email.py
run once a month: /data/mta/Script/Cron_check/Scripts/monthly_cleanup.py

How to Run Test(s)

There is no test for this set of scripts.

Expected result from the test

test results -- test results -- test results

Cron Job

mta @c3po-v
0,30 * * * * /data/mta/Script/Cron_check/Scripts/check_cron_records.py >> $HOME/Logs/new_cron_check_c3po_v_mta 2>&1
cus @ r2d2-v
5,35 * * * * /data/mta/Script/Cron_check/Scripts/check_cron_records.py >> $HOME/Logs/new_cron_check_r2d2_v_cus.cron 2>&1
mta @ r2d2-v
5,35 * * * * /data/mta/Script/Cron_check/Scripts/check_cron_records.py >> $HOME/Logs/new_cron_check_r2d2_v_mta.cron 2>&1
mta @ boba-v
6,36 * * * * /data/mta/Script/Cron_check/Scripts/check_cron_records.py >> $HOME/Logs/new_cron_check_boba_v_mta 2>&1
mta @ boba-v
10 7 * * * cd /data/mta4/Script/Cron_check/Scripts/; /data/mta/Script/Cron_check/Scripts/cron_wrap_script >> $HOME/Logs/new_cron_email_script.cron 2>&1
1 0 1 * * /data/mta4/Script/Cron_check/Scripts/monthly_cleanup.py >> $HOME/Logs/new_cron_email_clean_up_mta.cron 2>&1