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#!/bin/bash
###############################################################################
# Copyright (c) 2011 Linaro
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html
###############################################################################
#
# Script/functions to create EC2 instance and make sure it's running
#
function ec2_create_instance() {
local keypair=$1
local ami=$2
local instance_type=$3
local security_groups="$4"
local zone=$5
echo "Creating instance..."
local cmd="ec2-run-instances $ami -k $keypair -t $instance_type --availability-zone=$zone $security_groups"
# echo $cmd
instance_id=`$cmd | grep ^INSTANCE | cut -f2`
if [ -z "$instance_id" ]; then
echo "Error executing: $cmd"
exit 1
fi
}
function ec2_wait_till_running() {
local instance=$1
echo -n "Waiting for instance to start..."
while true; do
instance_hostname=`ec2-describe-instances $instance | grep ^INSTANCE | cut -f4`
if [ -n "$instance_hostname" ]; then
break
fi
sleep 1
echo -n .
done
echo
}
function ec2_wait_till_booted() {
local hostname=$1
echo -n "Waiting for instance to boot..."
# echo ssh -o StrictHostKeyChecking=no ubuntu@$hostname true
cnt=0
while true; do
cnt=$(($cnt + 1))
ssh -q -o StrictHostKeyChecking=no ubuntu@$hostname true
rc=$?
# echo "try$cnt: rc=$rc"
echo -n .
if [ $rc -eq 0 ]; then
break
fi
if [ $cnt -gt 20 ]; then
break
fi
sleep 1
done
echo
[ $rc -eq 0 ]
}
function ec2_start_instance() {
ec2_create_instance "$1" "$2" "$3" "$4" "$5"
ec2_wait_till_running $instance_id
if ! ec2_wait_till_booted $instance_hostname; then
echo "Error starting instance"
fi
}
if [ "$1" != "--include" ]; then
if [ "$1" == "" ]; then
echo "Usage: $0 <ec2 keypair name> <AMI> <instance type> <security groups>"
exit
fi
ec2_start_instance $1
echo "Instance ID: $instance_id"
echo "Hostname: $instance_hostname"
fi
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