ilyasotkov/cloudformation_yaml_params_with_yq.md

Last active August 19, 2020 04:01

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CloudFormation YAML Parameter Values with yq (https://github.com/kislyuk/yq)

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cloudformation_yaml_params_with_yq.md

# ./template.yaml
AWSTemplateFormatVersion: 2010-09-09

Parameters:
  BucketName:
    Type: String
    
Resources:
  Bucket:
    Type: AWS::S3::Bucket
    Properties:
      BucketName: !Ref BucketName

# ./params.yaml
BucketName: my-bucket-xyz

#!/bin/bash

# ./deploy.sh

stack_name=my-stack
template_path=./template.yaml
parameter_values_path=./params.yaml

aws cloudformation deploy \
    --stack-name $stack_name \
    --template-file $template_path \
    --parameter-overrides $(yq -r 'to_entries | .[] | "\(.key)=\(.value)"' $parameter_values_path) \
    --no-fail-on-empty-changeset