interpolation.yml

name: Workflow with complex interpolation
on: 
  workflow_dispatch:
    inputs:
      choice-a:
        required: true
        type: choice
        description: choice-a
        default: a1
        options: 
        - a1
        - a2
        - a3
      string-b:
        required: false
        type: string
        description: string-b
      string-c:
        required: false
        type: string
        description: string-c
      list-d:
        required: true
        type: string
        default: d1 d2
        description: list-d whitespace separated
      list-e:
        required: false
        type: string
        description: list-e whitespace separated
      choice-f:
        required: true
        type: choice
        description: choice-f
        options: 
        - false
        - true
          
env:
  DRY_TEST: false
  B: ${{ github.event.inputs.string-b }}

jobs:
  job:
    runs-on: ubuntu-latest
    steps:
    - name: Produce values
      id: produce-values
      run: |
        echo "region=region" >> $GITHUB_OUTPUT
        echo "zone=zone" >> $GITHUB_OUTPUT

    - name: Step with complex interpolation
      id: complex
      env:
        CHOICE_A: ${{ github.event.inputs.choice-a }}
        STRING_B: ${{ github.event.inputs.string-b }}
        STRING_C: ${{ github.event.inputs.string-c }}
        LIST_D: ${{ github.event.inputs.list-d }}
        LIST_E: ${{ github.event.inputs.list-e }}
        CHOICE_F: ${{ github.event.inputs.choice-f }}
        REGION: ${{ steps.produce-values.outputs.region }}
        ZONE: ${{ steps.produce-values.outputs.zone }}
        DRY_TEST_JSON: ${{ fromJSON(env.DRY_TEST) }}
        FUNCTION_NAME: my-function
        USER_EMAIL: 'example@example.com'
        TYPE: type
        RANGE: '0-100'

      run: |
        comma_separated_list_d=$(echo "${LIST_D}" | sed "s/ /\",\"/g")
        comma_separated_list_e=$(echo "${LIST_E}" | sed "s/ /\",\"/g")
        c1=$(echo "${STRING_C}" | cut -d "-" -f 1)
        c2=$(echo "${STRING_C}" | cut -d "-" -f 2)
        # Similar commands that use JSON payloads with string interpolation.
        response=$(aws lambda invoke --invocation-type RequestResponse --function-name "${FUNCTION_NAME}" --region "${REGION}" --cli-read-timeout 0 --cli-binary-format raw-in-base64-out --payload '{"appName":"my-app","chA":"'"${CHOICE_A}"'","c1":"'"${c1}"'","c2":"'"${c2}"'","a":"${CHOICE_A}","bValue":"${B}","zone":"${ZONE}","userEmail":"'"${USER_EMAIL}"'","region":"${REGION}","range":"${RANGE}","type":"${TYPE}","b":"${STRING_B}","listD":"","listE":"","dryTest":'"${DRY_TEST_JSON}"',"f":"${CHOICE_F}"}' ./config.json --log-type Tail)
        response=$(aws lambda invoke --invocation-type RequestResponse --function-name "${FUNCTION_NAME}" --region "${REGION}" --cli-read-timeout 0 --cli-binary-format raw-in-base64-out --payload '{"appName":"my-app","chA":"'"${CHOICE_A}"'","c1":"'"${c1}"'","c2":"'"${c2}"'","a":"${CHOICE_A}","bValue":"${B}","zone":"${ZONE}","userEmail":"'"${USER_EMAIL}"'","region":"${REGION}","range":"${RANGE}","type":"${TYPE}","b":"${STRING_B}","listD":["'"${comma_separated_list_d}"'"],"listE":"","dryTest":'"${DRY_TEST_JSON}"',"f":"${CHOICE_F}"}' ./config.json --log-type Tail)
        response=$(aws lambda invoke --invocation-type RequestResponse --function-name "${FUNCTION_NAME}" --region "${REGION}" --cli-read-timeout 0 --cli-binary-format raw-in-base64-out --payload '{"appName":"my-app","chA":"'"${CHOICE_A}"'","c1":"'"${c1}"'","c2":"'"${c2}"'","a":"${CHOICE_A}","bValue":"${B}","zone":"${ZONE}","userEmail":"'"${USER_EMAIL}"'","region":"${REGION}","range":"${RANGE}","type":"${TYPE}","b":"${STRING_B}","listD":["'"${comma_separated_list_d}"'"],"listE":"","dryTest":'"${DRY_TEST_JSON}"',"f":"${CHOICE_F}"}' ./config.json --log-type Tail)
        response=$(aws lambda invoke --invocation-type RequestResponse --function-name "${FUNCTION_NAME}" --region "${REGION}" --cli-read-timeout 0 --cli-binary-format raw-in-base64-out --payload '{"appName":"my-app","chA":"'"${CHOICE_A}"'","c1":"'"${c1}"'","c2":"'"${c2}"'","a":"${CHOICE_A}","bValue":"${B}","zone":"${ZONE}","userEmail":"'"${USER_EMAIL}"'","region":"${REGION}","range":"${RANGE}","type":"${TYPE}","b":"${STRING_B}","listD":["'"${comma_separated_list_d}"'"],"listE":"","dryTest":'"${DRY_TEST_JSON}"',"f":"${CHOICE_F}"}' ./config.json --log-type Tail)
        response=$(aws lambda invoke --invocation-type RequestResponse --function-name "${FUNCTION_NAME}" --region "${REGION}" --cli-read-timeout 0 --cli-binary-format raw-in-base64-out --payload '{"appName":"my-app","chA":"'"${CHOICE_A}"'","c1":"'"${c1}"'","c2":"'"${c2}"'","a":"${CHOICE_A}","bValue":"${B}","zone":"${ZONE}","userEmail":"'"${USER_EMAIL}"'","region":"${REGION}","range":"${RANGE}","type":"${TYPE}","b":"${STRING_B}","listD":"","listE":["'"${comma_separated_list_e}"'"],"dryTest":'"${DRY_TEST_JSON}"',"f":"${CHOICE_F}"}' ./config.json --log-type Tail)
      shell: bash