#!/usr/bin/env bash # **euca.sh** # we will use the ``euca2ools`` cli tool that wraps the python boto # library to test ec2 compatibility 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 EC2 configuration source $TOP_DIR/eucarc # Import exercise configuration source $TOP_DIR/exerciserc # Instance type to create DEFAULT_INSTANCE_TYPE=${DEFAULT_INSTANCE_TYPE:-m1.tiny} # Launching a server # ================== # Find a machine image to boot IMAGE=`euca-describe-images | grep machine | cut -f2 | head -n1` # Define secgroup SECGROUP=euca_secgroup # Add a secgroup if ! euca-describe-groups | grep -q $SECGROUP; then euca-add-group -d "$SECGROUP description" $SECGROUP if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! euca-describe-groups | grep -q $SECGROUP; do sleep 1; done"; then echo "Security group not created" exit 1 fi fi # Launch it INSTANCE=`euca-run-instances -g $SECGROUP -t $DEFAULT_INSTANCE_TYPE $IMAGE | grep INSTANCE | cut -f2` die_if_not_set INSTANCE "Failure launching instance" # Assure it has booted within a reasonable time if ! timeout $RUNNING_TIMEOUT sh -c "while ! euca-describe-instances $INSTANCE | grep -q running; do sleep 1; done"; then echo "server didn't become active within $RUNNING_TIMEOUT seconds" exit 1 fi # Allocate floating address FLOATING_IP=`euca-allocate-address | cut -f2` die_if_not_set FLOATING_IP "Failure allocating floating IP" # Associate floating address euca-associate-address -i $INSTANCE $FLOATING_IP || \ die "Failure associating address $FLOATING_IP to $INSTANCE" # Authorize pinging euca-authorize -P icmp -s 0.0.0.0/0 -t -1:-1 $SECGROUP || \ die "Failure authorizing rule in $SECGROUP" # 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 # Revoke pinging euca-revoke -P icmp -s 0.0.0.0/0 -t -1:-1 $SECGROUP || \ die "Failure revoking rule in $SECGROUP" # Release floating address euca-disassociate-address $FLOATING_IP || \ die "Failure disassociating address $FLOATING_IP" # Wait just a tick for everything above to complete so release doesn't fail if ! timeout $ASSOCIATE_TIMEOUT sh -c "while euca-describe-addresses | grep $INSTANCE | grep -q $FLOATING_IP; do sleep 1; done"; then echo "Floating ip $FLOATING_IP not disassociated within $ASSOCIATE_TIMEOUT seconds" exit 1 fi # Release floating address euca-release-address $FLOATING_IP || \ die "Failure releasing address $FLOATING_IP" # Wait just a tick for everything above to complete so terminate doesn't fail if ! timeout $ASSOCIATE_TIMEOUT sh -c "while euca-describe-addresses | grep -q $FLOATING_IP; do sleep 1; done"; then echo "Floating ip $FLOATING_IP not released within $ASSOCIATE_TIMEOUT seconds" exit 1 fi # Terminate instance euca-terminate-instances $INSTANCE || \ die "Failure terminating instance $INSTANCE" # Assure it has terminated within a reasonable time if ! timeout $TERMINATE_TIMEOUT sh -c "while euca-describe-instances $INSTANCE | grep -q running; do sleep 1; done"; then echo "server didn't terminate within $TERMINATE_TIMEOUT seconds" exit 1 fi # Delete group euca-delete-group $SECGROUP || \ die "Failure deleting security group $SECGROUP" set +o xtrace echo "*********************************************************************" echo "SUCCESS: End DevStack Exercise: $0" echo "*********************************************************************"