Starts a single instance and measures the time until SSH connectivity

benchmark-ec2-boottime.sh

#!/bin/bash -e
# Make sure awscli is configured correctly ("aws configure")

ami_id='ami-60b6c60a' # amazon linux
availability_zone='us-east-1b'
keypair="KEYPAIR_NAME"
keypath="PATH_TO_PEM_FILE"
instance_type="t2.micro"
sg_id="sg-YOURS"
subnet_id="subnet-YOURS"

start_time=`date +%s`
instance_id=`aws ec2 run-instances --image-id "$ami_id" \
    --placement AvailabilityZone="$availability_zone" \
    --instance-type "$instance_type" \
    --key "$keypair" \
    --security-group-ids $sg_id --subnet-id $subnet_id \
     | grep 'InstanceId' | awk '{print $2}' | sed 's/"//g' | sed 's/,//g'`
printf "Instance ID: %s\n" "$instance_id"
sleep 5
while [ 1 ]; do
    instance_uri=`aws ec2 describe-instances --instance-ids "$instance_id" | grep "PublicIpAddress" | awk '{print $2}' | sed 's/"//g' | sed 's/,//g'`
    if [[ -n "$instance_uri" && "$instance_uri" != 'pending' ]]; then
        break
    fi
    sleep 1
done
printf "Instance URI: %s\n" "$instance_uri"

ssh_cmd="ssh ec2-user@$instance_uri -i $keypath -o StrictHostKeyChecking=no -o ConnectTimeout=1 echo 'test' 2>/dev/null || true"
while [ -z "$cmd_status" ]; do
    printf '.'
    sleep 1
    cmd_status=`eval $ssh_cmd`
done

end_time=`date +%s`
aws ec2 terminate-instances --instance-ids "$instance_id" > /dev/null
bootup_time="$(($end_time - $start_time))"
printf "Bootup Time: %i seconds\n" "$bootup_time"