check_git_config/check_git_config

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#!/bin/bash
#
# Nagios plugin to check Git repository status
#
# Author : Benjamin Renard <brenard@easter-eggs.com>
# Date : Wed, 14 Mar 2012 14:45:55 +0000
# Source : http://git.zionetrix.net/check_git_config
#
GIT_ROOT=/srv/common
GIT_REMOTE=origin
DEBUG=0
CHECK_REMOTE=0
HIDE_CHANGES=0
FULL_DIFF=0
function usage() {
echo "Usage : $0 -g [directory] [-c|-r remote] [-d]
-g [directory] Specify Git root directory (default : $GIT_ROOT)
-c Check Git remote state
-r [remote] Specify Git remote to check (default : $GIT_REMOTE)
-H Hide detected changes
-F Show full diff in case of changes detected (default: short)
-d Enable debug mode"
}
while getopts "g:r:cdFHh-:" OPTION
do
case "$OPTION" in
c)
CHECK_REMOTE=1
;;
g)
GIT_ROOT="${OPTARG}"
;;
r)
CHECK_REMOTE=1
GIT_REMOTE="${OPTARG}"
;;
d)
DEBUG=1
;;
H)
HIDE_CHANGES=1
;;
F)
FULL_DIFF=1
;;
h)
usage
exit 0
;;
*)
echo "Invalid parameter -$OPTION"
echo
usage
exit 1
;;
esac
done
[ ! -d "$GIT_ROOT" ] && echo "UNKNOWN : Git root directory does not exists !" && exit 3
[ ! -d "$GIT_ROOT/.git" ] && echo "UNKNOWN : Git root directory seem to not being a git repository." && exit 3
cd $GIT_ROOT
STATUS=$( git status -s 2>&1 )
res=$?
[ $DEBUG -eq 1 ] && echo -e "Status (return $res): $STATUS"
if [ $res -ne 0 ]
then
echo "UNKNOWN : Fail to retreive git status (return code : $res)"
echo -e "$STATUS"
exit 3
elif [ -n "$STATUS" ]
then
echo "WARNING : Git config repo on $( hostname ) not clean"
if [ $FULL_DIFF -eq 1 ]
then
git diff
elif [ $HIDE_CHANGES -ne 1 ]
then
echo -e "$STATUS"
fi
exit 1
elif [ $CHECK_REMOTE -eq 1 ]
then
# Check remote exists
[ $DEBUG -eq 1 ] && echo -n "Check remote '$GIT_REMOTE' exist : "
git remote show "$GIT_REMOTE" > /dev/null 2>&1
res=$?
[ $DEBUG -eq 1 ] && echo "done. (Return $res)"
if [ $res -ne 0 ]
then
echo "UNKNOWN : Unkown remote '$GIT_REMOTE'"
exit 3
fi
[ $DEBUG -eq 1 ] && echo -n "Fecth : "
git fetch "$GIT_REMOTE" > /dev/null 2>&1
res=$?
[ $DEBUG -eq 1 ] && echo "done. (Return $res)"
if [ $res -ne 0 ]
then
echo "UNKNOWN : Error fetching remote"
exit 3
fi
HEAD="$( git show HEAD|grep ^commit )"
[ $DEBUG -eq 1 ] && echo "Local : $HEAD"
ORIGIN="$( git show origin|grep ^commit )"
[ $DEBUG -eq 1 ] && echo "Remote : $ORIGIN"
if [ "$HEAD" != "$ORIGIN" ]
then
echo "CRITICAL : Git config not uptodate"
exit 2
fi
fi
echo "OK"
exit 0