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#
# Performs various tests and analysises on images
#
# Copyright (C) 2007, 2008 Koen Kooi <koen@openembedded.org> 

# The current features are:
# 1) dump a list of installed packages
# 2) dump a list of sizes of installed packages
# 3) dependency graphs of installed packages

# See 
#  * http://dominion.thruhere.net/koen/cms/the-testlab-strikes-again
#  * http://dominion.thruhere.net/koen/cms/package-relations-inside-images
#  for use cases

# TODO: 
# * log information to a server for safekeeping
# * use mtn certs to record this info into the scm
# * add test suite to run on the target device 


# Needs 'dot', 'opkg-cl'

do_testlab() {
if [ -e  ${IMAGE_ROOTFS}/etc/opkg ] ; then

	TESTLAB_DIR="${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}-testlab"
        mkdir -p ${TESTLAB_DIR}/
	ls -laR ${IMAGE_ROOTFS} >& ${TESTLAB_DIR}/files-in-image.txt 	
     
	echo > ${TESTLAB_DIR}/installed-packages.txt
	echo -e "digraph depends {\n    node [shape=plaintext]" > ${TESTLAB_DIR}/depends.dot

	for pkg in $(opkg-cl -f ${IMAGE_ROOTFS}/etc/opkg -o ${IMAGE_ROOTFS} list_installed | awk '{print $1}') ; do 
    		opkg-cl -f ${IMAGE_ROOTFS}/etc/opkg -o ${IMAGE_ROOTFS} info $pkg | grep Filename | awk -F: '{print $2}'  >> ${TESTLAB_DIR}/installed-packages.txt

    		for depends in $(opkg-cl -f ${IMAGE_ROOTFS}/etc/opkg -o  ${IMAGE_ROOTFS} info $pkg | grep Depends) ; do 
        		echo "$pkg OPP $depends;" | grep -v "(" | grep -v ")" | grep -v Depends | sed -e 's:,::g' -e 's:-:_:g' -e 's:\.:_:g' -e 's:+::g' |sed 's:OPP:->:g' >> ${TESTLAB_DIR}/depends.dot
    		done
    		
		for recommends in $(opkg-cl -f ${IMAGE_ROOTFS}/etc/opkg -o ${IMAGE_ROOTFS} info $pkg | grep Recom) ; do
        		echo "$pkg OPP $recommends [style=dotted];" | grep -v "(" | grep -v ")" | grep -v Recom | sed -e 's:,::g' -e 's:-:_:g' -e 's:\.:_:g' -e 's:+::g' |sed 's:OPP:->:g' >> ${TESTLAB_DIR}/depends.dot
    		done
	done

	echo "}" >>  ${TESTLAB_DIR}/depends.dot
	
	grep -v kernel_2 ${TESTLAB_DIR}/depends.dot | grep -v kernel_image > ${TESTLAB_DIR}/depends-nokernel.dot
	grep -v libc6 ${TESTLAB_DIR}/depends-nokernel.dot | grep -v libgcc > ${TESTLAB_DIR}/depends-nokernel-nolibc.dot
	grep -v update_ ${TESTLAB_DIR}/depends-nokernel-nolibc.dot > ${TESTLAB_DIR}/depends-nokernel-nolibc-noupdate.dot
        grep -v kernel_module ${TESTLAB_DIR}/depends-nokernel-nolibc-noupdate.dot > ${TESTLAB_DIR}/depends-nokernel-nolibc-noupdate-nomodules.dot

	#dot has some library troubles when run under fakeroot, uncomment at your own risk
	#dot -Tpng -o ${TESTLAB_DIR}/image-dependencies.png  ${TESTLAB_DIR}/depends.dot
	#dot -Tpng -o ${TESTLAB_DIR}/image-dependencies-nokernel-nolibc.png ${TESTLAB_DIR}/depends-nokernel-nolibc.dot
	#dot -Tpng -o ${TESTLAB_DIR}/image-dependencies-nokernel-nolibc-noupdate.png ${TESTLAB_DIR}/depends-nokernel-nolibc-noupdate.dot
	#dot -Tpng -o ${TESTLAB_DIR}/image-dependencies-nokernel-nolibc-noupdate-nomodules.png ${TESTLAB_DIR}/depends-nokernel-nolibc-noupdate-nomodules.dot

	for file in $(cat ${TESTLAB_DIR}/installed-packages.txt) ; do 
     		du -k $(find ${DEPLOY_DIR_IPK} -name "$file") 
	done | grep "\.ipk" | sed -e s:${DEPLOY_DIR_IPK}::g | sort -n -r | awk '{print $1 "\tKiB " $2}' > ${TESTLAB_DIR}/installed-package-sizes.txt
fi
}

IMAGE_POSTPROCESS_COMMAND += "  do_testlab ;"