Allow for parameter override

[vermegi]

When creating an ARM deployment, I would like to provide both a parameter file and override certain parameters through the arm-deploy action. This is handy when overall parameters exist in the parameter file, but you would like to override certain values during deploy in your pipeline.

One example is where I want to use this action twice, once for creating a resource group, where I determine the resourcegroup name in the workflow and then reuse that value for deploying the resources.

  # Deployment of resource group template    
  - name: Deploy ARM Template resourcegroup
    uses: azure/arm-deploy@v1
    with:
      # You can change these environment variables for your configuration:   AZURE_SUBSCRIPTION_ID
      scope: subscription
      subscriptionId: ${{ env.AZURE_SUBSCRIPTION_ID }}
      region: centralus # Set this to your target region
      template: repo/ARM/azuredeploy.resourcegroup.json  # Set this to the location of your template file
      parameters: repo/ARM/azuredeploy.resourcegroup.parameters.json # Set this to the location of your parameters file
      parameters: rgName=${{env.RESOURCEGROUP_NAME}} #override rgName in parameters file

  # Deployment of template    
  - name: Deploy ARM Template resources
    uses: azure/arm-deploy@v1
    with:
      # You can change these environment variables for your configuration:   AZURE_SUBSCRIPTION_ID
      scope: resourcegroup
      subscriptionId: ${{ env.AZURE_SUBSCRIPTION_ID }}
      resourcegroup: ${{env.RESOURCEGROUP_NAME}} # reuse resourcegroup name
      region: centralus # Set this to your target region
      template: repo/ARM/azuredeploy.json  # Set this to the location of your template file
      parameters: repo/ARM/azuredeploy.parameters.json # Set this to the location of your parameters file

[kanika1894]

Hey @vermegi ,
You can override the parameters in parameter file by explictly calling it out next to the parameter file.
Example :
parameters: repo/ARM/azuredeploy.resourcegroup.parameters.json rgName=${{env.RESOURCEGROUP_NAME}}
This will override the rgName.

[vermegi]

Ah, excellent, didn't know that was possible. Can this be explicitly mentioned in the documentation/samples? It is not clear at the moment that this is also an option.

[kanika1894]

sure! @pulkitaggarwl can you please take care of the documentation?

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[github-actions]

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[kanika1894]

https://github.com/Azure/arm-deploy/pull/26/files : changes merged