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providers: introduce multipass support (CRAFT-409)

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Metadata

Project
charmcraft
Number
#491
Type
pull request
State
merged
Author
cjp256
Labels
—
Created
Updated
Closed

Current evaluation

Merged. Adds Multipass provider support with detection via env var, snap config, or platform default. Updates execute_run() to use pathlib.Path and adds tests. Approved by two reviewers, passed CI, and modified 10 files.

Suggested action: —

No scores available.

Issue body

Add support for Multipass similar to LXD. To determine provider on linux: - check CHARMCRAFT_PROVIDER environment variable if in developer mode. - check snap configuration if running as snap. - fall back to platform default. Update execute_run() to use cwd=pathlib.Path(x) interface. Add unit tests and a smoke test for Linux & Multipass. Signed-off-by: Chris Patterson <chris.patterson@canonical.com>

Evaluation history

Date Model Scores Action Summary
qwen/qwen3.6-35b-a3b — — Merged. Adds Multipass provider support with detection via env var, snap config, or platform default. Updates execute_run() to use pathlib.Path and adds tests. Approved by two reviewers, passed CI, and modified 10 files.
qwen3.6-35b-a3b-mtp-q6 — — Merged. Introduces Multipass provider support with detection via environment variables, snap configuration, and platform fallback. Updates execute_run() to use pathlib.Path and adds Linux and Multipass tests.
qwen3.6-35b-a3b-mtp-q6 — — Merged: Introduced Multipass provider support for Linux, mirroring LXD. Updated detection logic to check env vars, snap config, or fallback. Refactored execute_run() to use pathlib.Path and added tests.

Update history

No update history recorded yet.

Related issues

Issue Project State Summary Similarity
#2293 build providers: use the new snapcraft: remote for multipass snapcraft merged Merged into master. Updates the multipass build provider to use the new snapcraft: remote, removing static base mappings and delegating error handling to multipass. Approved by reviewers and passed CI.
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#2511 build providers: modify the _run signature snapcraft merged Merged changes modifying the _run signature in build providers to return output. Updates the Multipass implementation to wrap execute calls. Approved by reviewer and passed CI checks.
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#2869 build providers: use multipass from stable snapcraft merged Merged update to consume Multipass 1.0 from the stable channel for build providers. Approved by one reviewer, modifying four files with minimal changes.
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#2258 build providers: snapcraft images for multipass snapcraft merged Implemented snapcraft build images for multipass environments with a Darwin workaround. Merged after reviewer approval and passing CI checks, adding 239 lines across 7 files to resolve LP #1791821.
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#2100 build_providers: new build provider using multipass snapcraft merged Merged pull request introducing the build_providers package and MVP multipass integration for snapcraft. Approved by two reviewers despite reported naming inconsistencies and a launch crash, accepted as initial implementation.
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#2288 build providers: use multipass automatically when on darwin snapcraft merged Merged. Automatically enables multipass as the build provider on macOS (darwin). Approved by a reviewer, passed CI checks, and successfully integrated.
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#4010 providers: push .bashrc to Multipass instances snapcraft merged Merged. Replaces temporary host file creation with craft-providers.push_file_io to push .bashrc directly into Multipass instances. Approved by two reviewers, passed CI, and merged into main.
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#3381 multipass build provider: check if instance exists before deleting snapcraft merged Merged a Snapcraft fix adding an existence check before deleting Multipass instances, preventing errors when missing. Addresses LP #1904774. Reviewers suggested extra features and warnings, but the core fix was approved and merged.
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#484 providers: refactor to better support multiple providers (CRAFT-362) charmcraft merged Merged following two approvals and passing CI. Refactored the providers module into a package introducing a common Provider interface and LXDProvider subclass to accommodate future providers like Multipass. No behavioral changes. Minor naming adjustments applied during review.
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#4938 build(deps): bump craft-providers to 1.25.0 snapcraft closed Approved and CI-passing changes to bump craft-providers to 1.25.0 were delayed for Multipass compatibility. The request was closed and superseded by pull request #5006.
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