deploy.sample

#!/usr/bin/env bash
set -e

# Uploads a directory to an S3 bucket and invalidates a Cloudfront distribution.
# This script expects to be invoked with two arguments.
#   $1 is expected to be the path of the directory to be uploaded
#   $2 is expected to be the environment to be operated on (prd|dev)

readonly greenColor='\033[0;32m'
readonly redColor='\033[0;31m'
readonly noColor='\033[0m'
readonly prdS3Uri='s3://YOUR_PRD_URI'
readonly devS3Uri='s3://YOUR_DEV_URI'
s3Uri=''
readonly prdDistributionId='YOUR_PRD_ID'
readonly devDistributionId='YOUR_DEV_ID'
distributionId=''
readonly directory=$1

if [[ $# -ne 2 ]]; then
  echo -e "${redColor}Expected two arguments.${noColor}"
  echo -e "${redColor}Something like ${noColor}build dev${redColor} where${noColor}"
  echo -e "  ${redColor}Argument 1 is a relative path to a directory to upload to S3${noColor}"
  echo -e "  ${redColor}Argument 2 is 'dev' or 'prd'. This deploys to the defined 'dev' or 'prd' bucket.${noColor}"
  exit 1
fi

if [[ $2 = 'prd' ]]; then
  s3Uri="$prdS3Uri"
  distributionId="$prdDistributionId"
elif [[ $2 = 'dev' ]]; then
  s3Uri="$devS3Uri"
  distributionId="$devDistributionId"
else
  echo -e "${redColor}Second argument must be either ${noColor}prd${redColor} or ${noColor}dev"
  exit 1
fi

echo -e "${greenColor}Uploading "$1" to bucket \"$s3Uri\"...${noColor}"
echo "\$ aws s3 cp "$directory" "$s3Uri" --recursive"
aws s3 cp "$directory" "$s3Uri" --recursive
echo -e "${greenColor}Upload complete.${noColor}"

echo -e "${greenColor}Creating invalidation for all paths for Cloudfront distribution "$distributionId"...${noColor}"
echo "\$ aws cloudfront create-invalidation --distribution-id "$distributionId" --paths '/*'"
invalidationOutput=$(aws cloudfront create-invalidation --distribution-id "$distributionId" --paths '/*')
echo "$invalidationOutput"

echo -e "${greenColor}Invalidation created. Waiting for invalidation to complete...${noColor}"
invalidationId=$(echo "$invalidationOutput" | awk '/"Id":/ { print $2 }' | tr -d [:punct:])
isCompleted=false
until [[ "$isCompleted" = true ]]; do
  invalidationStatus=$(aws cloudfront get-invalidation --id "$invalidationId" --distribution-id "$distributionId" --query 'Invalidation.Status' --output text)
  if [[ "$invalidationStatus" = "Completed" ]]; then
    isCompleted=true
  fi
done
echo -e "${greenColor}Invalidation completed.${noColor}"

echo -e "${greenColor}Deploy complete.${noColor}"