Upgrade Foundry Local to 1.1.0

[Sébastien Ros (sebastienros)]

Description

Upgrade the Foundry Local integration to Microsoft.AI.Foundry.Local 1.1.0 while keeping RunAsFoundryLocal() working for local AppHost scenarios. The 1.1.0 package no longer exposes the same manager APIs used by Aspire, and local SDK-based startup failed because the native Foundry Local core was not available from the NuGet package assets.

This change keeps the user-facing AppHost API the same and switches the runtime integration to the installed foundry CLI. Aspire now starts the local service with foundry service start, discovers the emitted endpoint, downloads and loads models through CLI commands, checks loaded models with foundry service list, and stops the service during AppHost shutdown/disposal with foundry service stop.

User-facing usage

The existing C# AppHost usage stays the same:

var foundry = builder.AddFoundry("foundry")
                     .RunAsFoundryLocal();

foundry.AddDeployment("phi", "Phi-3.5-mini-instruct-generic-gpu", "1", "Microsoft");

Users do not need to pre-start Foundry Local, but the foundry CLI must be installed and available on PATH.

Security considerations

This change starts an installed local executable and opens the Foundry Local service listener managed by that executable. Command arguments are passed through ProcessStartInfo.ArgumentList instead of shell command strings, and the service is stopped when the AppHost stops or is disposed. Security review is useful to confirm the process-spawning and local-listener behavior is acceptable for this preview integration.

Validation

• dotnet test --project tests/Aspire.Hosting.Foundry.Tests/Aspire.Hosting.Foundry.Tests.csproj --no-launch-profile -- --filter-not-trait "quarantined=true" --filter-not-trait "outerloop=true"
• dotnet test --project tests/Aspire.Hosting.Azure.Tests/Aspire.Hosting.Azure.Tests.csproj --no-launch-profile -- --filter-class "*.FoundryExtensionsTests" --filter-not-trait "quarantined=true" --filter-not-trait "outerloop=true"
• dotnet build src/Aspire.Hosting.Foundry/Aspire.Hosting.Foundry.csproj --no-restore /p:SkipNativeBuild=true
• Local smoke test with a temporary AppHost test confirmed Foundry Local starts, reaches Running, and is stopped after AppHost disposal.

Fixes # (issue)

Checklist

• Is this feature complete?
  • Yes. Ready to ship.
  • No. Follow-up changes expected.
• Are you including unit tests for the changes and scenario tests if relevant?
  • Yes
  • No
• Did you add public API?
  • Yes
    • If yes, did you have an API Review for it?
      • Yes
      • No
    • Did you add <remarks /> and <code /> elements on your triple slash comments?
      • Yes
      • No
  • No
• Does the change make any security assumptions or guarantees?
  • Yes
    • If yes, have you done a threat model and had a security review?
      • Yes
      • No
  • No

[github-actions]

🚀 Dogfood this PR with:

⚠️ WARNING: Do not do this without first carefully reviewing the code of this PR to satisfy yourself it is safe.

curl -fsSL https://raw.githubusercontent.com/microsoft/aspire/main/eng/scripts/get-aspire-cli-pr.sh | bash -s -- 17889

Or

• Run remotely in PowerShell:

iex "& { $(irm https://raw.githubusercontent.com/microsoft/aspire/main/eng/scripts/get-aspire-cli-pr.ps1) } 17889"

[Copilot]

Pull request overview

This PR upgrades the Foundry Local integration to Microsoft.AI.Foundry.Local 1.1.0 while preserving the existing AppHost API (RunAsFoundryLocal()) by switching the runtime implementation from in-proc manager APIs to invoking the installed foundry CLI for service lifecycle and model management.

Changes:

• Replace FoundryLocalManager-based startup/model operations with CLI-driven operations (foundry service start|stop|list, foundry model download|load).
• Update health checks to validate service/model state via the new CLI-backed service helper.
• Upgrade the Microsoft.AI.Foundry.Local package reference to 1.1.0 and adjust tests accordingly.

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
tests/Aspire.Hosting.Azure.Tests/FoundryExtensionsTests.cs	Updates assertions to align with the new local runtime integration (no manager DI).
src/Aspire.Hosting.Foundry/LocalModelHealthCheck.cs	Switches model-loaded checks to the CLI-backed helper.
src/Aspire.Hosting.Foundry/FoundryLocalService.cs	Introduces the new CLI-based Foundry Local service + lifecycle hosted service.
src/Aspire.Hosting.Foundry/FoundryLocalHealthCheck.cs	Switches service-running checks to the CLI-backed helper.
src/Aspire.Hosting.Foundry/FoundryExtensions.cs	Wires AppHost resource lifecycle/model init to the new CLI-based implementation.
src/Aspire.Hosting.Foundry/FoundryDeploymentResource.cs	Updates documentation around the meaning of the local ModelId field.
Directory.Packages.props	Bumps Microsoft.AI.Foundry.Local to 1.1.0.

[github-actions]

❌ CLI E2E Tests failed — 112 passed, 1 failed, 2 unknown (commit 17e3b78)

❌ Failed Tests

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_{📹 Recordings uploaded automatically from CI run #26918296847}

[aspire-repo-bot]

Pull request created: #1210

Generated by PR Documentation Check · sonnet46 2.1M

[aspire-repo-bot]

📝 Documentation has been drafted in microsoft/aspire.dev#1210 targeting release/13.4.

Updated the "Use Foundry Local for development" section in azure-ai-foundry-host.mdx to reflect that Aspire now manages the full foundry CLI lifecycle automatically (foundry service start/stop). Users no longer need to pre-start Foundry Local — the foundry CLI only needs to be installed and on PATH.

• File modified: src/frontend/src/content/docs/integrations/cloud/azure/azure-ai-foundry/azure-ai-foundry-host.mdx

Note

This draft PR needs human review before merging.