Package and upload ElasticBeanstalk application to AWS

upload_to_elasticbeanstalk.sh

AWS_DEFAULT_REGION=__AWS_region__
APPLICATION_NAME=__EB_application_name__
ENVIRONMENT_NAME=__EB_environment_name__
VERSION_NAME=__EB_version_name__
FILENAME=$APPLICATION_NAME-$VERSION_NAME.zip
BUCKET=__S3_bucket_name__

# AWS_PROFILE=__AWS_local_profile__
AWS_ACCESS_KEY_ID=__AWS_access_key_id__
AWS_SECRET_ACCESS_KEY__AWS_secret_access_key__

set +x

# check if application version already exists
CHECK_VERSION=$(aws elasticbeanstalk describe-application-versions \
  --region $AWS_DEFAULT_REGION \
  --application-name $APPLICATION_NAME \
  --version-labels $VERSION_NAME \
  --query "ApplicationVersions[0].VersionLabel" \
)

if [ "$CHECK_VERSION" == "null" ]; then
    # create artifact
    git archive --format=zip HEAD > $FILENAME
    
    # copy artifact to S3 bucket
    aws s3 cp $FILENAME s3://$BUCKET/$APPLICATION_NAME/$FILENAME --region $AWS_DEFAULT_REGION

    # create elastic beanstalk application version with artifact from S3 bucket
    echo "Creating application version $VERSION_NAME"
    aws elasticbeanstalk create-application-version \
      --region $AWS_DEFAULT_REGION \
      --application-name $APPLICATION_NAME \
      --version-label $VERSION_NAME \
      --description "Last commit $REVISION"\
      --source-bundle S3Bucket=$BUCKET,S3Key=$APPLICATION_NAME/$FILENAME
else
	echo "Application version $VERSION_NAME already exists. Aborting upload..."
    exit 1
fi

set -x