Deploy feature branch to AWS S3 in newly created bucket with website hosting permissions

deploy_feature.sh

#!/bin/bash

# codeship exposes the current git branch in $CI_BRANCH. If not available use git to find it.
# codeship specific, not required.
branch=$CI_BRANCH

if [ -z "$CI_BRANCH" ]; then
    echo "NO CI_BRANCH env, getting from git."
    branch=$(git branch | sed -n -e 's/^\* \(.*\)/\1/p')
fi

echo "Current branch: $branch"

# We extract the feature number (company policy) to get the feature name we want to deploy.
feature=$(echo $branch | sed -n 's/feature\/\(.*\)\/.*/\1/p')
echo "Feature: $feature"

S3_BUCKET="sd-$feature.yourdomain.com"
echo "Bucket name: $S3_BUCKET"

# Note: Choose the right AWS Zone
S3_BUCKET_FULL="$S3_BUCKET.s3-website-eu-west-1.amazonaws.com"
echo "Full bucket name: $S3_BUCKET_FULL"

function deployToS3Bucket {
  echo "Going to upload dist files to: $S3_BUCKET"
  aws s3 rm "s3://$S3_BUCKET" --recursive
  aws s3 sync dist "s3://$S3_BUCKET"
  echo "Done."
}

function createNewBucket {
  echo "Going to create new bucket $S3_BUCKET"
  aws s3 mb "s3://$S3_BUCKET" --region eu-west-1

  echo "Sleep a while to make sure the bucket is done creating."
  sleep 10

  # set policy
  echo "Going to set bucket permissions"
  sed "s/bucketname/$S3_BUCKET/g" ./bin/policy_template.json > policy.json
  aws s3api put-bucket-policy --bucket "$S3_BUCKET" --policy file://policy.json

  aws s3api put-bucket-acl --bucket "$S3_BUCKET" --grant-read 'uri="http://acs.amazonaws.com/groups/global/AllUsers"' --grant-read-acp 'uri="http://acs.amazonaws.com/groups/global/AllUsers"'

  echo "Add website hosting to bucket."
  aws s3 website "s3://$S3_BUCKET" --index-document index.html --error-document index.html

  echo "Going to create route53 alias for $S3_BUCKET"
  sed "s/bucketname/$S3_BUCKET/g" ./bin/route53-changeset-template.json > route53-changeset.json
  aws route53 change-resource-record-sets --hosted-zone-id Z1AYYBTWL1ONA6 --change-batch file://route53-changeset.json

  echo "Sleep a while to make sure permissions have been added."
  sleep 10

  echo "Finished setup of bucket for feature deployment."
}

if aws s3 ls "s3://$S3_BUCKET" 2>&1 | grep -q 'NoSuchBucket'
then
  echo "Bucket: $S3_BUCKET doesn't exist."
  createNewBucket
  deployToS3Bucket
else
  echo "Bucket already exists. Deploying..."
  deployToS3Bucket
fi