action.yml

name: 'Environments - ArgoCD'
description: 'Get information about environment'
inputs:
  environment:
    description: "Environment"
    required: true
  namespace:
    description: Kubernetes namespace
    required: true
  application:
    description: "The application name"
    required: false
  config:
    description: "configuration"
    required: true
  namespace-prefix:
    description: Kubernetes namespace prefix
    required: false
    default: ''
  namespace-suffix:
    description: Kubernetes namespace suffix
    required: false
    default: ''
  namespace-deny-list:
    description: Kubernetes namespace deny list, generated names cannot contain this comma separated list.
    required: false
    default: kube-system,kube-public,default
outputs:
  name:
    description: "Environment name"
    value: ${{ inputs.environment }}
  role:
    description: "Environments that need to be deployed"
    value: ${{ steps.result.outputs.cluster-role }}
  cluster:
    description: "Environments that need to be destroyed"
    value: ${{ steps.result.outputs.cluster }}
  namespace:
    description: "Namespace"
    value: ${{ steps.result.outputs.namespace }}
  ssm-path:
    description: "Path to ssm secrets"
    value: ${{ steps.result.outputs.ssm-path }}
  environment-config:
    description: "Environment configuration"
    value: ${{ steps.json-to-yaml.outputs.output }}
runs:
  using: "composite"
  steps:

    - uses: actions/checkout@v3
      
    - run: |
        echo '''${{ inputs.config }}''' > config.yml
      shell: bash
      
    - uses: fabasoad/data-format-converter-action@v0.3.0
      id: yaml-to-json
      with:
        input: "config.yml"
        from: "yaml"
        to: "json"
    
    - name: Evaluate Config
      id: parse-config
      uses: actions/github-script@v6
      with:
        script: |
          let data = JSON.parse(`${{ steps.yaml-to-json.outputs.output }}`);
          let environment = '${{ inputs.environment }}';
          
          for(const [environment, config] of Object.entries(data)) {
            if(environment === '${{ inputs.environment }}') {
              for(const [key, value] of Object.entries(config)) {
                // Support `|` Operations
                let operation = '';
                let new_value = '';
                if(String(value).includes('|')) {
                  new_value = value.split('|')[0].trim()
                  operation = value.split('|')[1].trim()
                }
            
                switch(operation) {
                  case 'kebab':
                  case 'kebabcase':
                  case 'toKebab':
                    new_value = new_value.replace(/([a-z])([A-Z])/g, "$1-$2").replace(/[\s_/]+/g, '-').toLowerCase()
                    break;
                  case 'upper':
                  case 'uppercase':
                  case 'toUpper':
                    new_value = new_value.toLowerCase()
                    break;
                  case 'lower':
                  case 'lowercase':
                  case 'toLower':
                    new_value = new_value.toLowerCase()
                    break;
                  default:
                    new_value = new_value
                }
          
                if(new_value !== '') {
                  data[environment][key] = new_value;
                }
          
                if(key === 'reformat') {
                  core.setOutput('reformat', value);
                  delete data[environment][key];
                }
              }
            }
          }
          core.setOutput('stripped-config', JSON.stringify(data[environment]));
          
    - name: Reformat
      if: ${{ steps.parse-config.outputs.reformat }}
      uses: cloudposse/kubernetes-namespace-builder-composite-action@main
      id: reformat
      with:
        flavor: ${{ steps.parse-config.outputs.reformat }}
        app-name: ${{ inputs.application }}
        prefix: ${{ inputs.namespace-prefix }}
        suffix: ${{ inputs.namespace-suffix }}
        deny-list: ${{ inputs.namespace-deny-list }}
        override-branch-name: ${{ inputs.namespace }}

    - name: Merge Substitutions
      id: merge-config
      uses: actions/github-script@v6
      with:
        script: |
          let data = JSON.parse(`${{ steps.parse-config.outputs.stripped-config }}`);
          if('${{ steps.parse-config.outputs.reformat }}') {
            data['namespace'] = '${{ steps.reformat.outputs.kubernetes-namespace }}';
          }
          core.setOutput('merged-config', JSON.stringify(data));
    
    - run: |
        echo '''${{ steps.merge-config.outputs.merged-config }}''' > merged-config.json
      shell: bash

    - uses: fabasoad/data-format-converter-action@v0.3.0
      id: json-to-yaml
      with:
        input: "merged-config.json"
        from: "json"
        to: "yaml"
        
    - name: Environment info
      uses: cloudposse/github-action-yaml-config-query@v1.0.0
      id: result
      with:
        query: .
        config: ${{ steps.json-to-yaml.outputs.output }}