PAT Migration: dn-bot-dnceng-build-r-code-r-project-r-profile-r (dotneteng-status)#6490
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PAT Migration: dn-bot-dnceng-build-r-code-r-project-r-profile-r (dotneteng-status)#6490missymessa wants to merge 1 commit intomainfrom
missymessa wants to merge 1 commit intomainfrom
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…eteng-status) AB#10136 Migrate the build-monitor/dnceng PAT to dotneteng-status-identity Managed Identity for Entra bearer-token authentication. Changes: - settings.json: Remove AccessToken vault reference from build-monitor/dnceng - settings.Staging.json: Add ManagedIdentityClientId for build-monitor/dnceng - settings.Production.json: Add ManagedIdentityClientId for build-monitor/dnceng - dotneteng-status-secrets.yaml: Deprecate dn-bot-dnceng-build-r-code-r-project-r-profile-r Infrastructure (out-of-repo): - Created dotneteng-status-identity MI in monitoring RG (both subscriptions) - Assigned MI to dotneteng-status / dotneteng-status-staging App Services - Added both MIs as service principals in dnceng AzDO org - Granted [internal] Readers access to both prod and staging MIs
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Work Item
AB#10136 - PAT Migration: dn-bot-dnceng-build-r-code-r-project-r-profile-r
Summary
Migrates the \dn-bot-dnceng-build-r-code-r-project-r-profile-r\ PAT used by the dotneteng-status web app (build monitor) to Entra bearer-token authentication using a new dotneteng-status-identity Managed Identity.
Code Changes (4 files)
Configuration:
Secret Manager:
Azure Resources Provisioned (out-of-repo)
Managed Identities Created:
App Service MI Assignments:
Azure DevOps Organization Access (\dnceng):
How It Works
The \AzureDevOpsClient\ already supports MI-based auth — when \ManagedIdentityClientId\ is set and \AccessToken\ is absent, it uses \ManagedIdentityCredential\ to acquire Entra bearer tokens for Azure DevOps. The existing \AzureDevOpsClient.PostDeploymentTests\ validate this code path.
Post-Merge Cleanup
After validating the MI works in production: