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Copy pathboot_from_volume.sh
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executable file
·209 lines (161 loc) · 6.18 KB
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#!/usr/bin/env bash
# **boot_from_volume.sh**
# This script demonstrates how to boot from a volume. It does the following:
# * Create a bootable volume
# * Boot a volume-backed instance
echo "*********************************************************************"
echo "Begin DevStack Exercise: $0"
echo "*********************************************************************"
# This script exits on an error so that errors don't compound and you see
# only the first error that occured.
set -o errexit
# Print the commands being run so that we can see the command that triggers
# an error. It is also useful for following allowing as the install occurs.
set -o xtrace
# Settings
# ========
# Keep track of the current directory
EXERCISE_DIR=$(cd $(dirname "$0") && pwd)
TOP_DIR=$(cd $EXERCISE_DIR/..; pwd)
# Import common functions
source $TOP_DIR/functions
# Import configuration
source $TOP_DIR/openrc
# Import quantum functions if needed
if is_service_enabled quantum; then
source $TOP_DIR/lib/quantum
fi
# Import exercise configuration
source $TOP_DIR/exerciserc
# If cinder is not enabled we exit with exitcode 55 so that
# the exercise is skipped
is_service_enabled cinder || exit 55
# Instance type to create
DEFAULT_INSTANCE_TYPE=${DEFAULT_INSTANCE_TYPE:-m1.tiny}
# Boot this image, use first AMI image if unset
DEFAULT_IMAGE_NAME=${DEFAULT_IMAGE_NAME:-ami}
# Security group name
SECGROUP=${SECGROUP:-boot_secgroup}
# Instance and volume names
VM_NAME=${VM_NAME:-ex-bfv-inst}
VOL_NAME=${VOL_NAME:-ex-vol-bfv}
# Launching a server
# ==================
# List servers for tenant:
nova list
# Images
# ------
# List the images available
glance image-list
# Grab the id of the image to launch
IMAGE=$(glance image-list | egrep " $DEFAULT_IMAGE_NAME " | get_field 1)
die_if_not_set $LINENO IMAGE "Failure getting image $DEFAULT_IMAGE_NAME"
# Security Groups
# ---------------
# List security groups
nova secgroup-list
# Create a secgroup
if ! nova secgroup-list | grep -q $SECGROUP; then
nova secgroup-create $SECGROUP "$SECGROUP description"
if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! nova secgroup-list | grep -q $SECGROUP; do sleep 1; done"; then
echo "Security group not created"
exit 1
fi
fi
# Configure Security Group Rules
if ! nova secgroup-list-rules $SECGROUP | grep -q icmp; then
nova secgroup-add-rule $SECGROUP icmp -1 -1 0.0.0.0/0
fi
if ! nova secgroup-list-rules $SECGROUP | grep -q " tcp .* 22 "; then
nova secgroup-add-rule $SECGROUP tcp 22 22 0.0.0.0/0
fi
# List secgroup rules
nova secgroup-list-rules $SECGROUP
# Set up instance
# ---------------
# List flavors
nova flavor-list
# Select a flavor
INSTANCE_TYPE=$(nova flavor-list | grep $DEFAULT_INSTANCE_TYPE | get_field 1)
if [[ -z "$INSTANCE_TYPE" ]]; then
# grab the first flavor in the list to launch if default doesn't exist
INSTANCE_TYPE=$(nova flavor-list | head -n 4 | tail -n 1 | get_field 1)
fi
# Clean-up from previous runs
nova delete $VM_NAME || true
if ! timeout $ACTIVE_TIMEOUT sh -c "while nova show $VM_NAME; do sleep 1; done"; then
echo "server didn't terminate!"
exit 1
fi
# Setup Keypair
KEY_NAME=test_key
KEY_FILE=key.pem
nova keypair-delete $KEY_NAME || true
nova keypair-add $KEY_NAME > $KEY_FILE
chmod 600 $KEY_FILE
# Set up volume
# -------------
# Delete any old volume
cinder delete $VOL_NAME || true
if ! timeout $ACTIVE_TIMEOUT sh -c "while cinder list | grep $VOL_NAME; do sleep 1; done"; then
echo "Volume $VOL_NAME not deleted"
exit 1
fi
# Create the bootable volume
start_time=$(date +%s)
cinder create --image-id $IMAGE --display_name=$VOL_NAME --display_description "test bootable volume: $VOL_NAME" $DEFAULT_VOLUME_SIZE || \
die $LINENO "Failure creating volume $VOL_NAME"
if ! timeout $ACTIVE_TIMEOUT sh -c "while ! cinder list | grep $VOL_NAME | grep available; do sleep 1; done"; then
echo "Volume $VOL_NAME not created"
exit 1
fi
end_time=$(date +%s)
echo "Completed cinder create in $((end_time - start_time)) seconds"
# Get volume ID
VOL_ID=$(cinder list | grep $VOL_NAME | get_field 1)
die_if_not_set $LINENO VOL_ID "Failure retrieving volume ID for $VOL_NAME"
# Boot instance
# -------------
# Boot using the --block_device_mapping param. The format of mapping is:
# <dev_name>=<id>:<type>:<size(GB)>:<delete_on_terminate>
# Leaving the middle two fields blank appears to do-the-right-thing
VM_UUID=$(nova boot --flavor $INSTANCE_TYPE --image $IMAGE --block-device-mapping vda=$VOL_ID --security_groups=$SECGROUP --key_name $KEY_NAME $VM_NAME | grep ' id ' | get_field 2)
die_if_not_set $LINENO VM_UUID "Failure launching $VM_NAME"
# Check that the status is active within ACTIVE_TIMEOUT seconds
if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova show $VM_UUID | grep status | grep -q ACTIVE; do sleep 1; done"; then
echo "server didn't become active!"
exit 1
fi
# Get the instance IP
IP=$(nova show $VM_UUID | grep "$PRIVATE_NETWORK_NAME" | get_field 2)
die_if_not_set $LINENO IP "Failure retrieving IP address"
# Private IPs can be pinged in single node deployments
ping_check "$PRIVATE_NETWORK_NAME" $IP $BOOT_TIMEOUT
# Clean up
# --------
# Delete volume backed instance
nova delete $VM_UUID || die $LINENO "Failure deleting instance $VM_NAME"
if ! timeout $TERMINATE_TIMEOUT sh -c "while nova list | grep -q $VM_UUID; do sleep 1; done"; then
echo "Server $VM_NAME not deleted"
exit 1
fi
# Wait for volume to be released
if ! timeout $ACTIVE_TIMEOUT sh -c "while ! cinder list | grep $VOL_NAME | grep available; do sleep 1; done"; then
echo "Volume $VOL_NAME not released"
exit 1
fi
# Delete volume
start_time=$(date +%s)
cinder delete $VOL_ID || die $LINENO "Failure deleting volume $VOLUME_NAME"
if ! timeout $ACTIVE_TIMEOUT sh -c "while cinder list | grep $VOL_NAME; do sleep 1; done"; then
echo "Volume $VOL_NAME not deleted"
exit 1
fi
end_time=$(date +%s)
echo "Completed cinder delete in $((end_time - start_time)) seconds"
# Delete secgroup
nova secgroup-delete $SECGROUP || die $LINENO "Failure deleting security group $SECGROUP"
set +o xtrace
echo "*********************************************************************"
echo "SUCCESS: End DevStack Exercise: $0"
echo "*********************************************************************"