A lightweight wrapper around the AWS CLI for interacting with the App Runner service.

apprunner.sh

#!/bin/sh

usage() {
  echo >&2
  echo "A lightweight wrapper around the AWS CLI for interacting with AWS App Runner." >&2
  echo "Provides feedback during operations." >&2
  echo >&2
  echo "Usage: $0 <command> [options...]" >&2
  echo >&2
  echo "pause   Pauses a running service" >&2
  echo "resume  Resumes a paused service" >&2
  echo "deploy  Triggers a re-deployment" >&2
  echo >&2
  echo "Note that additional arguments can be passed to the AWS CLI command by appending" >&2
  echo "them after the specified command (e.g. \"pause --profile=prod\")." >&2
  echo >&2
  exit 1
}

if [ -z "$1" ]; then usage; fi

case "$1" in
  pause)
    COMMAND=pause-service
    ;;
  resume)
    COMMAND=resume-service
    ;;
  deploy)
    COMMAND=start-deployment
    ;;
esac

if [ -z "$COMMAND" ]; then
  echo "$0: invalid command -- $1" >&2
  usage
fi

shift

POLL_INTERVAL=10
SERVICE_ARN=$(aws apprunner list-services $@ | jq -r '.[] | first | .ServiceArn')
RESPONSE=$(aws apprunner $COMMAND --service-arn $SERVICE_ARN $@)
OPERATION_ID=$(echo "$RESPONSE" | jq -r '.OperationId // empty')

if [ -z "$OPERATION_ID" ]; then
  echo "$RESPONSE" >&2
  exit 1
fi

while
  OPERATION=$(aws apprunner list-operations --service-arn $SERVICE_ARN $@ | jq -c --arg ID $OPERATION_ID '.OperationSummaryList[] | select(.Id == $ID)')
  STATUS=$(echo "$OPERATION" | jq -r '.Status')
  ENDED=$(echo "$OPERATION" | jq -r '.EndedAt // empty')

  if [ "$STATUS" = "$OLD_STATUS" ]; then
    printf "."
  else
    printf "\n$STATUS."
  fi  

  OLD_STATUS=$STATUS

  [ -z "$ENDED" ]
do sleep $POLL_INTERVAL; done

printf "\n"

# See https://github.com/stedolan/jq/issues/1053#issuecomment-191287612
START_TIME=$(echo "$OPERATION" | jq -r '.StartedAt | sub("(?<before>.*):"; .before ) | strptime("%Y-%m-%dT%H:%M:%S%z") | todate | fromdateiso8601')
END_TIME=$(echo "$OPERATION" | jq -r '.EndedAt | sub("(?<before>.*):"; .before ) | strptime("%Y-%m-%dT%H:%M:%S%z") | todate | fromdateiso8601')
DURATION=$(($END_TIME - $START_TIME))

echo "Operation completed in $(($DURATION / 60))m $(($DURATION % 60))s"