My Deployment script , that upload a specific git repo to it's production env location , also enables you to add your files to override the repo files - Please read the file carefully before using it - Licenece : GNU GPL v2 -required file structure for the deployment script example.com/ deploy.sh git logs push temp

deploy.sh

#!/bin/bash
SERVERS="192.168.2.101 192.168.2.102 192.168.2.106 192.168.2.107"
#SERVERS="192.168.2.107"
GITDIR="$(pwd)/git"
WORKING="$(pwd)/temp"
PUSH="$(pwd)/push"

REV=13

SSH_USER="example.com"
SSH_ARGS="-t -q"
LOG="$(pwd)/logs/$(date +%s)"
CP_CHECK="$(pwd)/logs/cp_check"
REV_DIR="/home/site/example.com/revs"
CURRENTLINK="/home/site/example.com/country.example.com"
UPLOADS="/home/site/example.com/revs/shared/uploads"

TODO=$1

function error(){
	echo $*
	echo "Check log $LOG"
	exit 1
}


clean_working() {
	rm -rf $WORKING/*
}

function git_update() {
	unset GIT_DIR
	cd  $GITDIR
	echo -n "* checking out to master ... "
	git checkout master &> $LOG && echo "OK" || error ERROR

	echo -n "* pulling latest ... "
	git fetch &> $LOG && echo "OK" || error ERROR

        echo -n "* copying to working dir ... "	
	git archive master | tar -x -C  $WORKING &> $LOG && echo "OK" || error ERROR
}

function copy_extras()
{
	#$WORKING/symfony cc > /dev/null
	if [[  -z $(ls -a $PUSH/ | grep -E "[\.]*[^.]+")  ]]
	then
		return 0
	fi
	echo -n "* copying push/* to working/ ...  "
	cp -rv $PUSH/. $WORKING/ &> $LOG  && echo "OK" || error ERROR
		
}


function fix_permissions()
{
	echo -n "* fixing permissions ... "
	chmod 755 -R $WORKING $LOG && echo "OK" || error ERROR
}

function make_dst_dir()
{
	echo "* making REV dir on all servers"
	DST=$REV_DIR/"rev"$REV
	for SER in $SERVERS
	do
		echo -n " ** creating on server: $SER ... "
		ssh $SSH_ARGS $SSH_USER@$SER "stat $DST && exit 1 || mkdir -p $DST" &>$LOG \
			 || error "ERROR : $DST exists or can not create."  && echo "OK"
	done
}


function copy_files() {
	echo -n "* Copying files to servers ... "
	DST=$REV_DIR/"rev"$REV
	PIDS=""
	TO_CHECK=""
	echo -n "" > $CP_CHECK

	#link uploads
	UP=$DST"/web/uploads"

	for SER in $SERVERS
	do
		TO_CHECK="OK$TO_CHECK"
		echo -n " $SER . "
		( tar -cjp -C $WORKING . 2>$LOG | \
			 ssh $SSH_ARGS $SSH_USER@$SER "( tar -xjp -C $DST && ( rm -f $UP && ln -sf $UPLOADS $UP || exit -1 ) || exit -1 )" &>$LOG  \
			 && echo -n "OK">>$CP_CHECK  || echo -n "ERROR:$SER">>$CP_CHECK \
		) &
		PIDS="$PIDS $!"
	done

	for PD in $PIDS
	do
		wait $PD &> /dev/null
	done
	
	cat $CP_CHECK | grep "ERROR" > /dev/null && error " ERROR"
	cat $CP_CHECK | grep $TO_CHECK > /dev/null || error " ERROR"
	echo " OK"
}

function link_current {
	echo -n "* linking current to revision $REV ... "
	DST=$REV_DIR/"rev"$REV
	TO_CHECK=""
	PIDS=""
	echo -n "" > $CP_CHECK
	for SER in $SERVERS
	do
		TO_CHECK="OK"$TO_CHECK
		echo -n " $SER . "
		( \
			ssh $SSH_ARGS $SSH_USER@$SER "rm -f $CURRENTLINK; ln -sf $DST $CURRENTLINK " &>$LOG \
			 && echo -n "OK" >> $CP_CHECK \
			 || echo -n "ERROR" >> $CP_CHECK > /dev/null \
		 ) &
		PIDS="$PIDS $!"
	done

	for PD in $PIDS
	do
		wait $PD &> /dev/null
	done
	cat $CP_CHECK | grep "ERROR" > /dev/null && { revert  ; error  ERROR ; }
	cat $CP_CHECK | grep $TO_CHECK > /dev/null ||  { revert  ; error  ERROR ; }
	echo " OK"


}


function revert() {
	REV=$(( $REV - 1 ))
	echo -n "* linking current to revision $REV ... "
        DST=$REV_DIR/"rev"$REV
        TO_CHECK=""
        PIDS="" 
        echo -n "" > $CP_CHECK
        for SER in $SERVERS
        do      
                TO_CHECK="OK"$TO_CHECK
                echo -n " $SER . "
                ( ssh $SSH_ARGS $SSH_USER@$SER "rm -f $CURRENTLINK; ln -sf $DST $CURRENTLINK " &>$LOG && echo -n "OK" >> $CP_CHECK || echo -n "ERROR" >> $CP_CHECK > /dev/null ) &
                PIDS="$PIDS $!"
        done
        
        for PD in $PIDS
        do      
                wait $PD &> /dev/null
        done
        cat $CP_CHECK | grep "ERROR" > /dev/null && { revert  ; error  ERROR ; }
        cat $CP_CHECK | grep $TO_CHECK > /dev/null ||  { revert  ; error  ERROR ; }
        echo " OK"
}

function gzip_log() {
 gzip $LOG
}


function go() {
	clean_working
	git_update
	copy_extras
	fix_permissions
	make_dst_dir
	copy_files
	link_current
}


function go_over() {
	clean_working
	git_update
	copy_extras
	fix_permissions
	copy_files
	link_current
}


echo "********** $(date) *************" >> $LOG
case "$TODO" in
	go)
		go
	;;
	go-delete)
		go_over
		;;
	revert)
		revert
		;;
	*)
		echo "USAGE: go|revert|go-delete"
esac
gzip_log