userdata.yaml

#cloud-config
repo_update: true
write_files:
  - path: /run-container.sh
    permissions: 755
    content: |
      #!/bin/bash
      echo "${USERDATA_BEGIN}" >> /var/log/userdata-output
      # Look for the image pre-pulled in the AMI, if not available, try to pull it
      IMAGE=`docker images ${VALIDATOR_REPO} -q  | head -n 2 | tail -n 1`
      if [[ -z "${IMAGE}" ]]; then
        sudo docker pull ${VALIDATOR_IMAGE} >> /var/log/userdata-output
        IMAGE=`docker images ${VALIDATOR_REPO} -q | head -n 2 | tail -n 1`
      fi
      echo "Using IMAGE: $IMAGE" >> /var/log/userdata-output
      if [[ "${CACERT}" != "" ]]; then
        echo "${CACERT}" | base64 --decode > /proxy.pem
        sudo docker run -v /proxy.pem:/proxy.pem:Z -e "HTTP_PROXY=${HTTP_PROXY}" -e "HTTPS_PROXY=${HTTPS_PROXY}" -e "AWS_REGION=${AWS_REGION}" -e "START_VERIFIER=${VALIDATOR_START_VERIFIER}" -e "END_VERIFIER=${VALIDATOR_END_VERIFIER}" ${IMAGE} --timeout=${TIMEOUT} --config=${CONFIG_PATH} --cacert=/proxy.pem --no-tls=${NOTLS}  >> /var/log/userdata-output || echo "Failed to successfully run the docker container"
      else
        sudo docker run -e "AWS_REGION=${AWS_REGION}" -e "HTTP_PROXY=${HTTP_PROXY}" -e "HTTPS_PROXY=${HTTPS_PROXY}" -e "START_VERIFIER=${VALIDATOR_START_VERIFIER}" -e "END_VERIFIER=${VALIDATOR_END_VERIFIER}" ${IMAGE} --timeout=${TIMEOUT} --config=${CONFIG_PATH} >> /var/log/userdata-output || echo "Failed to successfully run the docker container"
      fi
      echo "${USERDATA_END}" >> /var/log/userdata-output
runcmd:
  - sudo systemctl start docker 2>1 > /dev/null || echo "docker not started by systemctl"
  - HTTP_PROXY=${HTTP_PROXY} HTTPS_PROXY=${HTTPS_PROXY} /run-container.sh
  - cat /var/log/userdata-output >/dev/console
power_state:
  delay: ${DELAY}
  mode: poweroff
  message: Auto-terminating instance due to timeout
  timeout: 300