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Cleans up image_to_live changes and handles errors more gracefully

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TEST=Tested by running image_to_live with correct formated images as well
as images that are missing either /var or dev_image directories.

Review URL: http://codereview.chromium.org/1705023
This commit is contained in:
Chris Sosa 2010-04-30 12:41:59 -07:00
parent b75eee3d67
commit 257117d2cc
1 changed files with 26 additions and 13 deletions
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39
image_to_live.sh
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@ -31,10 +31,13 @@ function cleanup {
echo "Killing dev server."
kill_all_devservers
cleanup_remote_access
./mount_gpt_image.sh -mu
rm -rf "${TMP}"
}
function unmount_gpt {
./mount_gpt_image.sh -mu
}
function remote_reboot_sh {
rm -f "${TMP_KNOWN_HOSTS}"
remote_sh "$@"
@ -55,24 +58,35 @@ function start_dev_server {
echo ""
}
# Copys new stateful var and developer directories to updating system.
# chromeos_startup checks for .update_available on next boot and updates
# the stateful directories.
function copy_stateful_tarball {
echo "Starting stateful update."
# Mounts most recent image stateful dir to /tmp/s
./mount_gpt_image.sh -m
trap "unmount_gpt && cleanup" EXIT
# Create tar files for the stateful partition.
cd /tmp/s/var && sudo tar -cf /tmp/var.tar . && cd -
cd /tmp/s/dev_image && sudo tar -cf /tmp/developer.tar . && cd -
# Copy over tar files.
remote_cp /tmp/var.tar /tmp
remote_cp /tmp/developer.tar /tmp
remote_sh "mkdir /mnt/stateful_partition/var_new &&\
mkdir /mnt/stateful_partition/dev_image_new &&\
tar -xf /tmp/var.tar -C /mnt/stateful_partition/var_new &&\
tar -xf /tmp/developer.tar \
-C /mnt/stateful_partition/dev_image_new &&\
touch /mnt/stateful_partition/.update_available"
if [ ! -d /tmp/s/var ] || [ ! -d /tmp/s/dev_image ] ; then
echo "No stateful directories found to copy. Continuing update."
else
pushd /tmp/s/var && sudo tar -czf /tmp/var.tgz . && popd
pushd /tmp/s/dev_image && sudo tar -czf /tmp/developer.tgz . && popd
# Copy over tar files.
local s_dir="/mnt/stateful_partition"
remote_cp /tmp/var.tgz /tmp
remote_cp /tmp/developer.tgz /tmp
remote_sh "rm -rf $s_dir/var_new $s_dir/dev_image_new &&\
mkdir $s_dir/var_new $s_dir/dev_image_new &&\
tar -xzf /tmp/var.tgz -C $s_dir/var_new &&\
tar -xzf /tmp/developer.tgz -C $s_dir/dev_image_new &&\
touch $s_dir/.update_available"
fi
# unmounts stateful partition
./mount_gpt_image.sh -mu
trap cleanup EXIT
}
function prepare_update_metadata {
@ -202,7 +216,6 @@ function main() {
if ! copy_stateful_tarball; then
echo "Stateful update was not successful."
exit 1
fi
remote_reboot