userdata.txt:https://gist.github.com/kubihie/7c77b1f6dd10476eaa50

runspotinstance.sh

#!/bin/bash

#
USERDATAPATH='./userdata.txt'
TAGS='Key=[[Name]],Value=[[Value]]'

#request-spot-instances
REGION="ap-northeast-1"
SPOT_PRICE="0.0001"

#launch-specification
KEYNAME="xxxxxxxxxxxx"
IMAGEID="ami-35072834"
INSTANCETYPE="xx.xxxxxx"
USERDATA=$(echo -n $(cat ${USERDATAPATH} | openssl enc -base64))
IAMINSTANCEPROFILE="xxxxxxxxxx"

#NetworkInterfaces
SUBNETID="subnet-xxxxxxxxxx"
SECURITYGROUPS="sg-xxxxxxxx"


#request-spot-instances
RET=$(aws ec2 request-spot-instances \
 --region "${REGION}" \
 --spot-price "${SPOT_PRICE}" \
 --launch-specification \
  "{ \
  \"KeyName\": \"${KEYNAME}\", \
  \"ImageId\": \"${IMAGEID}\", \
  \"InstanceType\": \"${INSTANCETYPE}\", \
  \"UserData\": \"${USERDATA}\", \
  \"IamInstanceProfile\": { \"Name\": \"${IAMINSTANCEPROFILE}\" }, \
  \"NetworkInterfaces\": [ { \
  \"SubnetId\": \"${SUBNETID}\", \
  \"DeviceIndex\": 0, \
  \"AssociatePublicIpAddress\": true, \
  \"Groups\": [ \"${SECURITYGROUPS}\" ] \
  } ] \
  }" \
 )

REQUESTID=$(echo "${RET}" | jq ".SpotInstanceRequests[].SpotInstanceRequestId" | sed -e "s/\"//g")
echo "SpotInstanceRequestId=${REQUESTID}"


#Get SpotInstance status
for i in $(seq 1 30)
do
 sleep 5
 STATUSCODE=$(aws ec2 describe-spot-instance-requests --region ${REGION} --spot-instance-request-ids ${REQUESTID} --query "SpotInstanceRequests[].Status[].Code" --output text)
 if [ $? -ne 0 ]; then
  echo 'Getting SpotInstance status failed.'
  break
 fi

 case "${STATUSCODE}" in
  "pending-fulfillment" | "pending-evaluation" ) echo "SpotInstance status is pending(${STATUSCODE})." ;;
  "fulfilled" ) echo "SpotInstance status OK(${STATUSCODE})." && break ;;
  * ) echo "SpotInstance status NG(${STATUSCODE})." && exit 1 ;;
 esac

 if [ $i -ge 30 ]; then
  echo 'SpotInstance request timeout.'
  exit 1
 fi
 echo "Retry $i..."
done


#Waiting until SpotInstance status active
for i in $(seq 1 30)
do
 sleep 5
 REQUESTSTATE=$(aws ec2 describe-spot-instance-requests --region ${REGION} --spot-instance-request-ids ${REQUESTID} --query "SpotInstanceRequests[].State" --output text)
 if [ $? -ne 0 ]; then
  echo 'Getting SpotInstanceRquest status failed.'
  break
 fi

 echo "SpotInstanceRequests State is ${REQUESTSTATE}."
 if [ "${REQUESTSTATE}" = "active" ]; then
  break
 fi

 if [ $i -ge 30 ]; then
  echo 'SpotInstanceRequestState did not change active.'
  exit 1
 fi
done


#Getting InstanceId
INSTANCEID=$(aws ec2 describe-spot-instance-requests --spot-instance-request-ids ${REQUESTID} --region ${REGION} --query "SpotInstanceRequests[].InstanceId" --output text)

if [ $? -ne 0 ]; then
 echo 'Getting InstanceId failed.'
 exit 1
fi
echo "EC2 instance-id=${INSTANCEID}"


#Create tags
RET=$(aws ec2 create-tags --resources "${INSTANCEID}" --tags "${TAGS}" 2>&1)
if [ $? -ne 0 ]; then
 echo "Create tags is failed."
 exit 1
fi
#echo ${RET}


#Getting Auto Public IP
PUBLICIP=$(aws ec2 describe-instances --instance-ids ${INSTANCEID} --region ${REGION} --query "Reservations[].Instances[].NetworkInterfaces[].Association[].PublicIp" --output text)

if [ $? -ne 0 ]; then
 echo 'Getting PublicIp failed.'
 exit 1
fi
echo "EC2 Public IP=${PUBLICIP}."

echo 'End.'