testlab bbclass: add class that dumps a bunch of statistical data from your images...

details at:
* http://dominion.thruhere.net/koen/cms/the-testlab-strikes-again
* http://dominion.thruhere.net/koen/cms/package-relations-inside-images

diff --git a/classes/testlab.bbclass b/classes/testlab.bbclass
new file mode 100644 (file)
index 0000000..5a88f3d
--- /dev/null
+++ b/classes/testlab.bbclass
@@ -0,0 +1,65 @@
+#
+# 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', 'ipkg-cl'
+
+do_testlab() {
+if [ -e  ${IMAGE_ROOTFS}/etc/ipkg ] ; then
+
+       TESTLAB_DIR="${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 $(ipkg-cl -f ${IMAGE_ROOTFS}/etc/ipkg -o ${IMAGE_ROOTFS} list_installed | awk '{print $1}') ; do 
+               ipkg-cl -f ${IMAGE_ROOTFS}/etc/ipkg -o ${IMAGE_ROOTFS} info $pkg | grep Filename | awk -F: '{print $2}'  >> ${TESTLAB_DIR}/installed-packages.txt
+
+               for depends in $(ipkg-cl -f ${IMAGE_ROOTFS}/etc/ipkg -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 $(ipkg-cl -f ${IMAGE_ROOTFS}/etc/ipkg -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 ;"