blue / green update.sh

update.sh

export zone_name="app.com."
export address="staging.app.com."
zoneid=$(aws route53 list-hosted-zones | jq -r '.HostedZones[] | select(.Name == env.zone_name) | .Id')
staging=$(aws route53 list-resource-record-sets --hosted-zone-id "$zoneid" | jq -r '.ResourceRecordSets[] | select(.Name == env.address) | select(.AliasTarget.DNSName != null) | .AliasTarget.DNSName | split(".") | first')

if [ -z "$staging" ];then
    echo "Error: Could not accurately determine staging"
    exit 1
fi
echo "$staging is staging"


export REGION=ap-southeast-2
export TF_VAR_application=app
export TF_VAR_environment=dev
export STATE_BUCKET=app-name-$TF_VAR_environment
export STATE_TABLE=terraform-state-lock

pushd stack
export TF_VAR_stack="$staging"
terraform init \
	-backend-config "bucket=$TF_VAR_tf_state_bucket" \
	-backend-config "dynamodb_table=$TF_VAR_tf_state_table" \
	-backend-config "region=$TF_VAR_region" \
	-backend-config "key=$TF_VAR_application-$TF_VAR_stack/terraform.tfstate"\
    -reconfigure
terraform get
terraform plan 
terraform apply
popd