diff --git a/exercises/boot_from_volume.sh b/exercises/boot_from_volume.sh index c967e3916b..183efa636e 100755 --- a/exercises/boot_from_volume.sh +++ b/exercises/boot_from_volume.sh @@ -3,10 +3,8 @@ # **boot_from_volume.sh** # This script demonstrates how to boot from a volume. It does the following: -# * Create a 'builder' instance -# * Attach a volume to the instance -# * Format and install an os onto the volume -# * Detach volume from builder, and then boot volume-backed instance +# * Create a bootable volume +# * Boot a volume-backed instance echo "*********************************************************************" echo "Begin DevStack Exercise: $0" @@ -37,6 +35,10 @@ source $TOP_DIR/openrc # Import exercise configuration source $TOP_DIR/exerciserc +# If cinder or n-vol are not enabled we exit with exitcode 55 so that +# the exercise is skipped +is_service_enabled cinder n-vol || exit 55 + # Boot this image, use first AMI image if unset DEFAULT_IMAGE_NAME=${DEFAULT_IMAGE_NAME:-ami} @@ -61,16 +63,13 @@ IMAGE=`glance image-list | egrep " $DEFAULT_IMAGE_NAME " | get_field 1` die_if_not_set IMAGE "Failure getting image" # Instance and volume names -INSTANCE_NAME=${INSTANCE_NAME:-test_instance} VOL_INSTANCE_NAME=${VOL_INSTANCE_NAME:-test_vol_instance} VOL_NAME=${VOL_NAME:-test_volume} # Clean-up from previous runs nova delete $VOL_INSTANCE_NAME || true -nova delete $INSTANCE_NAME || true -# Wait till server is gone -if ! timeout $ACTIVE_TIMEOUT sh -c "while nova show $INSTANCE_NAME; do sleep 1; done"; then +if ! timeout $ACTIVE_TIMEOUT sh -c "while nova show $VOL_INSTANCE_NAME; do sleep 1; done"; then echo "server didn't terminate!" exit 1 fi @@ -95,16 +94,6 @@ nova keypair-delete $KEY_NAME || true nova keypair-add $KEY_NAME > $KEY_FILE chmod 600 $KEY_FILE -# Boot our instance -VM_UUID=`nova boot --flavor $INSTANCE_TYPE --image $IMAGE --security_groups=$SECGROUP --key_name $KEY_NAME $INSTANCE_NAME | grep ' id ' | get_field 2` -die_if_not_set VM_UUID "Failure launching $INSTANCE_NAME" - -# check that the status is active within ACTIVE_TIMEOUT seconds -if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova show $VM_UUID | grep status | grep -q ACTIVE; do sleep 1; done"; then - echo "server didn't become active!" - exit 1 -fi - # Delete the old volume nova volume-delete $VOL_NAME || true @@ -122,17 +111,8 @@ if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! nova floating-ip-list | grep -q $ exit 1 fi -# Add floating ip to our server -nova add-floating-ip $VM_UUID $FLOATING_IP - -# Test we can ping our floating ip within ASSOCIATE_TIMEOUT seconds -if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! ping -c1 -w1 $FLOATING_IP; do sleep 1; done"; then - echo "Couldn't ping server with floating ip" - exit 1 -fi - -# Create our volume -nova volume-create --display_name=$VOL_NAME 1 +# Create the bootable volume +nova volume-create --display_name=$VOL_NAME --image-id $IMAGE 1 # Wait for volume to activate if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | grep available; do sleep 1; done"; then @@ -140,62 +120,7 @@ if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | exit 1 fi -# FIXME (anthony) - python-novaclient should accept a volume_name for the attachment param? -DEVICE=/dev/vdb VOLUME_ID=`nova volume-list | grep $VOL_NAME | get_field 1` -nova volume-attach $INSTANCE_NAME $VOLUME_ID $DEVICE - -# Wait till volume is attached -if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | grep in-use; do sleep 1; done"; then - echo "Volume $VOL_NAME not created" - exit 1 -fi - -# The following script builds our bootable volume. -# To do this, ssh to the builder instance, mount volume, and build a volume-backed image. -STAGING_DIR=/tmp/stage -CIRROS_DIR=/tmp/cirros -ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP << EOF -set -o errexit -set -o xtrace -sudo mkdir -p $STAGING_DIR -sudo mkfs.ext3 -b 1024 $DEVICE 1048576 -sudo mount $DEVICE $STAGING_DIR -# The following lines create a writable empty file so that we can scp -# the actual file -sudo touch $STAGING_DIR/cirros-0.3.0-x86_64-rootfs.img.gz -sudo chown cirros $STAGING_DIR/cirros-0.3.0-x86_64-rootfs.img.gz -EOF - -# Download cirros -if [ ! -e cirros-0.3.0-x86_64-rootfs.img.gz ]; then - wget http://images.ansolabs.com/cirros-0.3.0-x86_64-rootfs.img.gz -fi - -# Copy cirros onto the volume -scp -o StrictHostKeyChecking=no -i $KEY_FILE cirros-0.3.0-x86_64-rootfs.img.gz ${DEFAULT_INSTANCE_USER}@$FLOATING_IP:$STAGING_DIR - -# Unpack cirros into volume -ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP << EOF -set -o errexit -set -o xtrace -cd $STAGING_DIR -sudo mkdir -p $CIRROS_DIR -sudo gunzip cirros-0.3.0-x86_64-rootfs.img.gz -sudo mount cirros-0.3.0-x86_64-rootfs.img $CIRROS_DIR - -# Copy cirros into our volume -sudo cp -pr $CIRROS_DIR/* $STAGING_DIR/ - -cd -sync -sudo umount $CIRROS_DIR -# The following typically fails. Don't know why. -sudo umount $STAGING_DIR || true -EOF - -# Detach the volume from the builder instance -nova volume-detach $INSTANCE_NAME $VOLUME_ID # Boot instance from volume! This is done with the --block_device_mapping param. # The format of mapping is: @@ -210,12 +135,6 @@ if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova show $VOL_VM_UUID | grep status exit 1 fi -# Add floating ip to our server -nova remove-floating-ip $VM_UUID $FLOATING_IP - -# Gratuitous sleep, probably hiding a race condition :/ -sleep 1 - # Add floating ip to our server nova add-floating-ip $VOL_VM_UUID $FLOATING_IP @@ -226,9 +145,13 @@ if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! ping -c1 -w1 $FLOATING_IP; do sle fi # Make sure our volume-backed instance launched -ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP << EOF -echo "success!" -EOF +if ! timeout $ACTIVE_TIMEOUT sh -c "while ! ssh -o StrictHostKeyChecking=no -i $KEY_FILE ${DEFAULT_INSTANCE_USER}@$FLOATING_IP echo success ; do sleep 1; done"; then + echo "server didn't become ssh-able!" + exit 1 +fi + +# Remove floating ip from volume-backed instance +nova remove-floating-ip $VOL_VM_UUID $FLOATING_IP # Delete volume backed instance nova delete $VOL_INSTANCE_NAME || \ @@ -244,16 +167,6 @@ fi nova volume-delete $VOL_NAME || \ die "Failure deleting volume $VOLUME_NAME" -# Delete instance -nova delete $INSTANCE_NAME || \ - die "Failure deleting instance $INSTANCE_NAME" - -# Wait for termination -if ! timeout $TERMINATE_TIMEOUT sh -c "while nova list | grep -q $VM_UUID; do sleep 1; done"; then - echo "Server $NAME not deleted" - exit 1 -fi - # De-allocate the floating ip nova floating-ip-delete $FLOATING_IP || \ die "Failure deleting floating IP $FLOATING_IP"