Raven-cron : error reporting for cron commands

Raven-cron is a small command-line wrapper that reports errors to Sentry. Reports can happen if the script exits with an exit status other than zero, or for any output from the run command.

Install

python setup.py install

Usage

usage: raven-cron [-h] [--dsn SENTRY_DSN] [--always] [--logger LOGGER]
                  [--description DESCRIPTION] [--version]
                  cmd [cmd ...]

Wraps commands and reports failing ones to sentry.

positional arguments:
  cmd                   The command to run

optional arguments:
  -h, --help            show this help message and exit
  --dsn SENTRY_DSN      Sentry server address
  --always              Report results to sentry even if the command exits
                        successfully.
  --logger LOGGER
  --description DESCRIPTION
  --version             show program's version number and exit

SENTRY_DSN can also be passed as an environment variable.

Example

Usage with crontab:

crontab -e

SENTRY_DSN=https://<your_key>:<your_secret>@app.getsentry.com/<your_project_id>
@reboot raven-cron ./my-process

Usage with mdadm:

/etc/mdadm/mdadm-raven.sh:

#!/bin/bash
#
# mdadm RAID health check
#
# Events are being passed to raven-cron via $1 (events) and $2 (device)
#
# Setting variables to readable values
event=$1
device=$2
export SENTRY_DSN="YOURDSN"
# Check event and then popup a window with appropriate message based on event
if [ $event == "Fail" ]; then
    raven-cron --always --logger mdadm --description "MDADM Array Fail" echo "A failure has been detected on device $device"
fi
    
if [ $event == "FailSpare" ]; then
    raven-cron --always  --logger mdadm --description "MDADM Spare Failure" echo "A failure has been detected on spare device $device"
fi

if [ $event == "DegradedArray" ]; then
    raven-cron --always --logger mdadm --description "MDADM Array Degraded" echo "A Degraded Array has been detected on device $device"
fi

if [ $event == "TestMessage" ]; then
    raven-cron --always --logger mdadm --description "MDADM Array Test" echo "A Test Message has been generated on device $device"
fi

/etc/mdadm/mdadm.conf:

# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#

# by default (built-in), scan all partitions (/proc/partitions) and all
# containers for MD superblocks. alternatively, specify devices to scan, using
# wildcards if desired.
#DEVICE partitions containers

# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes

# automatically tag new arrays as belonging to the local system
HOMEHOST <system>

# definitions of existing MD arrays
#ARRAY /dev/md/cleveland:0 metadata=1.2 name=cleveland:0 UUID=a4de09d4:e6bca445:34231e0b:23131a8a

# This file was auto-generated on Thu, 26 Jul 2012 18:12:32 -0500
# by mkconf $Id$
PROGRAM /etc/mdadm/mdadm-raven.sh

Misc

Copyright 2013 to MediaCore Technologies and licensed under the MIT license.