From 268003f88395a34cb741e3b557271979493d4f9c Mon Sep 17 00:00:00 2001
From: Holger Levsen <holger@layer-acht.org>
Date: Sat, 22 Dec 2012 11:34:24 +0100
Subject: use guestmount to mount installed system and copy the logs away

---
 bin/g-i-installation.sh | 23 +++++++++++++++++++++--
 debian/control          |  2 +-
 etc/sudoers.d/jenkins   |  2 +-
 update_jdn.sh           |  2 +-
 4 files changed, 24 insertions(+), 5 deletions(-)

diff --git a/bin/g-i-installation.sh b/bin/g-i-installation.sh
index df5768de..97978f56 100755
--- a/bin/g-i-installation.sh
+++ b/bin/g-i-installation.sh
@@ -277,7 +277,7 @@ monitor_system() {
 				echo "QEMU was powered down, continuing."
 				break
 			elif [ ! -z "$STACK_LINE" ] ; then
-				echo "Info: got a stack-trace, probably on power-down."
+				echo "INFO: got a stack-trace, probably on power-down."
 				break
 			fi
 		fi
@@ -318,7 +318,7 @@ monitor_system() {
 	done
 	set -x
 	if [ $NR -eq $MAX_RUNS ] ; then
-		echo Warning: running for 6h, forceing termination.
+		echo "Warning: running for 6h, forceing termination."
 	fi
 	if [ -f "$RESULTS/qemu_quit" ] ; then
 		let NR=NR-2
@@ -330,6 +330,24 @@ monitor_system() {
 	cp snapshot_${PRINTF_NR}.ppm snapshot_${PRINTF_NR}.ppm.bak
 }
 
+save_logs() {
+	#
+	# get logs from the installed system
+	#
+	# remove set +e once the code has proven its good
+	set +e
+	SYSTEM_MNT=/media/$NAME
+	sudo mkdir -p $SYSTEM_MNT
+	sudo guestmount -o uid=$(id -u) -o gid=$(id -g) -a $NAME.raw -m /dev/debian/root --ro $SYSTEM_MNT || true
+	if [ -d $SYSTEM_MNT/var/log ] ; then
+		mkdir -p $RESULTS/log
+		cp -r $SYSTEM_MNT/var/log/installer $RESULTS/log/
+	else
+		echo "Warning: cannot mount installed system to copy the logs..."
+	fi
+	sudo umount -l $SYSTEM_MNT || true
+}
+
 trap cleanup_all INT TERM EXIT
 
 #
@@ -375,6 +393,7 @@ case $JOB_NAME in
 			fi
 			boot_system
 			monitor_system normal
+			save_logs
 			;;
 esac
 cleanup_all
diff --git a/debian/control b/debian/control
index 74c5f377..4e781bf4 100644
--- a/debian/control
+++ b/debian/control
@@ -23,7 +23,7 @@ Description: Stuff to setup a jenkins.debian.net instance
 
 Package: jenkins.debian.net-bin
 Architecture: all
-Depends:, ${misc:Depends}, debootstrap, sudo, figlet, graphviz, mr, subversion, subversion-tools, vnstat, webcheck, poxml, qemu, vncsnapshot, imagemagick, ffmpeg2theora, python-twisted, python-imaging, gocr
+Depends:, ${misc:Depends}, debootstrap, sudo, figlet, graphviz, mr, subversion, subversion-tools, vnstat, webcheck, poxml, qemu, vncsnapshot, imagemagick, ffmpeg2theora, python-twisted, python-imaging, gocr, guestmount (>>1:1.18.1-1+deb7u1)
 Description: Stuff to make jenkins.debian.net run and debug
  Scripts and configuration files for running and debugging jobs run on 
  jenkins.debian.net.
diff --git a/etc/sudoers.d/jenkins b/etc/sudoers.d/jenkins
index 3f4253e7..12bf7fa4 100644
--- a/etc/sudoers.d/jenkins
+++ b/etc/sudoers.d/jenkins
@@ -1,4 +1,4 @@
-jenkins ALL= NOPASSWD: /usr/sbin/debootstrap *, NOPASSWD: /usr/sbin/chroot /chroots/*, NOPASSWD: /bin/rm -rf --one-file-system /chroots/*, NOPASSWD: /bin/umount -l /chroots/*, NOPASSWD: /bin/umount -l /media/*, /bin/mount -o loop*, NOPASSWD: /usr/bin/du *, NOPASSWD: /bin/kill -9 *, NOPASSWD: /usr/bin/qemu-system-x86_64 *, NOPASSWD: /bin/mkdir -p /media/*, SETENV: NOPASSWD: /usr/sbin/pbuilder *
+jenkins ALL= NOPASSWD: /usr/sbin/debootstrap *, /usr/sbin/chroot /chroots/*, /bin/rm -rf --one-file-system /chroots/*, /bin/umount -l /chroots/*, /bin/umount -l /media/*, /bin/mount -o loop*, /usr/bin/du *, /bin/kill -9 *, /usr/bin/qemu-system-x86_64 *, /bin/mkdir -p /media/*, /usr/bin/guestmount *, SETENV: NOPASSWD: /usr/sbin/pbuilder *
 
 # keep these environment variables
 Defaults        env_keep += "http_proxy", env_reset
diff --git a/update_jdn.sh b/update_jdn.sh
index 35526e12..a84d4248 100755
--- a/update_jdn.sh
+++ b/update_jdn.sh
@@ -25,7 +25,7 @@ done
 #
 sudo apt-get install vim screen less etckeeper moreutils curl mtr-tiny dstat devscripts bash-completion shorewall shorewall6 cron-apt apt-listchanges munin calamaris visitors procmail libjson-rpc-perl libfile-touch-perl zutils ip2host \
 	build-essential python-setuptools \
-	debootstrap sudo figlet graphviz apache2 python-yaml python-pip mr subversion subversion-tools vnstat webcheck poxml qemu vncsnapshot imagemagick ffmpeg2theora python-twisted python-imaging gocr
+	debootstrap sudo figlet graphviz apache2 python-yaml python-pip mr subversion subversion-tools vnstat webcheck poxml qemu vncsnapshot imagemagick ffmpeg2theora python-twisted python-imaging gocr guestmount
 explain "Packages installed."
 
 #
-- 
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