Question 104408 in Azure Question posted in
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Azure bicep get application id of service principal

Bicep can be used to create a role assignment as follows:

resource RoleAssignment 'Microsoft.Authorization/roleAssignments@2020-10-01-preview' = {
  name: guid(managementGroup().id, RoleDefinitionId, principalId)
  properties: {
    roleDefinitionId: roleDefinition.id
    principalId: principalId
    principalType: principalType
  }
}

Where the principal type is ‘ServicePrincipal’, it seems the application id from the Enterprise Application page of the Azure portal is required:

enter image description here

Does anyone know how to acquire this programatically? If it’s not possible using bicep then perhaps PowerShell?

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2

Answers


  1. 0

    To get the Application ID of service principal via PowerShell, you can make use of below command:

    (Get-AzADServicePrincipal -DisplayName AppName).AppId

    I tried to reproduce the same in my environment and got below results:

    I have one service principal named ClientApp and got the Application ID of it successfully as below:

    (Get-AzADServicePrincipal -DisplayName ClientApp).AppId

    Response:

    enter image description here

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  2. 0

    You can use the output of resource like:

    resource workflows_la 'Microsoft.Logic/workflows@2017-07-01' = {
  name: 'la-${env_id}-test'
  location: location
  identity: {
    type: 'SystemAssigned'
  }

output logicapp_managed_identity string = workflows_la.identity.principalId

    So you can use in role assigment resource:

    resource roleAssignmentlogicApp 'Microsoft.Authorization/roleAssignments@2020-04-01-preview' = {
  scope: Storage
  name: guid(Storage.id, managed_identity_logic_app, roleDefinitionResourceId)
  properties: {
    roleDefinitionId: roleDefinitionResourceId
    principalId: managed_identity_logic_app
  }
}
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