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Escape JSON double quotes in Azure Pipeline

I am trying to pass in Azure Pipeline Template JSON parameter as string but can’t figure out how to make this right so i could do json.loads in main pipeline to convert string to JSON.

Template pipeline:

trigger: none

resources:
  repositories:
  - repository: P1-T_automation
    type: git
    name: One/P1-T_automation
    ref: afat
    
parameters:
- name: accountvars
  type: object
  default: |
    {
    "hostgroup1": {"account1": ["hostname1", "hostname2", "hostname3"]},
    "hostgroup2": {"account2": ["hostname4", "hostname5", "hostname6"]}
    }

extends:
  template: Pipelines/main.yaml@P1-T_automation
  parameters:
      accountvars: ${{ parameters.accountvars }}

Follwing task - bash: echo "${{ parameters.accountvars }}" in main pipeline gives me output without double quotes (which are required for JSON format):

{
hostgroup1: {account1: [hostname1, hostname2, hostname3]},
hostgroup2: {account2: [hostname4, hostname5, hostname6]}
}

if i make object type of parameter string i get the same output.

if i escape every double quote like this:

- name: accountvars
  type: string
  default: |
    {
    "hostgroup1": {"account1": ["hostname1", "hostname2", "hostname3"]},
    "hostgroup2": {"account2": ["hostname4", "hostname5", "hostname6"]}
    }

i get good ech on bash task:

{
"hostgroup1": {"account1": ["hostname1", "hostname2", "hostname3"]},
"hostgroup2": {"account2": ["hostname4", "hostname5", "hostname6"]}
}

but after passing it to python script as argument:

- task: PythonScript@0
          displayName: Create fake data
          inputs:
            scriptSource: filePath
            scriptPath: $(Pipeline.Workspace)/self/Pipelines/scripts/datain.py
            arguments: ${{ variables.first_var }} $(topicName) ${{ parameters.accountvars }}
            workingDirectory: $(Pipeline.Workspace)
            pythonInterpreter: $(Pipeline.Workspace)/python_venv/bin/python

in python script print(sys.argv[3]) and print(str(sys.argv[3])) both gives me:

{
hostgroup1": {"account1": ["hostname1", "hostname2", "hostname3"]},
"hostgroup2": {"account2": ["hostname4", "hostname5", "hostname6"]}
}

Why do first escaped double quotes is replaced with ”?

I need to make it string one-liner with double quotes to make this fit in json.loads in python script.

How can i achieve this?

Tags:

2

Answers


  1. Chosen as BEST ANSWER
    0

    This did the work:

    - name: accountvars
  type: string
  default: >-
    "{
    'hostgroup1': {'account1': ['hostname1', 'hostname2', 'hostname3']},
    'hostgroup2': {'account2': ['hostname4', 'hostname5', 'hostname6']}
    }"

  2. 0

    As a workaround, you can try to use the expression "convertToJson" to convert the value of the object type parameter to be a JSON content.

    See bwlow example as reference:

    • azure-pipelines.yml
    parameters:
- name: accountvars
  type: object
  default:
    hostgroup1:
      account1:
        - hostname1
        - hostname2
        - hostname3
    hostgroup2:
      account2:
        - hostname4
        - hostname5
        - hostname6

jobs:
- job: A
  displayName: 'Job A'
  steps:
  - task: Bash@3
    displayName: 'Print parameter'
    env:
      ACCOUNT_VARS: ${{ convertToJson(parameters.accountvars) }}
    inputs:
      targetType: inline
      script: echo "$ACCOUNT_VARS"
    • Result
      enter image description here

    On the PythonScript@0 task, you can use the same method to map it as an env (environment variable).

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