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Capture warnings and report to sentry #5697

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merged 1 commit into from
Feb 28, 2025

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@agners agners commented Feb 28, 2025

Proposed change

By default, warnings are simply printed to stderr. This makes them easy to miss in the log. Capture warnings and user Python logger to log them with warning level.

Also, if the message is an instance of Exception (which it typically is), report the warning to Sentry. This is e.g. useful for asyncio RuntimeWarning warnings "coroutine was never awaited".

Type of change

  • Dependency upgrade
  • Bugfix (non-breaking change which fixes an issue)
  • New feature (which adds functionality to the supervisor)
  • Breaking change (fix/feature causing existing functionality to break)
  • Code quality improvements to existing code or addition of tests

Additional information

  • This PR fixes or closes issue: fixes #
  • This PR is related to issue:
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  • The code change is tested and works locally.
  • Local tests pass. Your PR cannot be merged unless tests pass
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If API endpoints or add-on configuration are added/changed:

Summary by CodeRabbit

  • New Features
    • Enhanced the application's error monitoring system. Warnings and exceptions are now tracked more effectively, helping improve overall stability and facilitating faster issue resolution.

@agners agners added the new-feature A new feature label Feb 28, 2025
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📝 Walkthrough

Walkthrough

This change introduces a new function, warning_handler, in supervisor/bootstrap.py. The function logs warning messages and, when the message is an exception, forwards it to Sentry using capture_exception. Additionally, it overrides the default behavior of warnings.showwarning to route warnings through this handler, thereby streamlining warning and exception processing.

Changes

File Change Summary
supervisor/bootstrap.py Added new function warning_handler to log warnings and capture exceptions using Sentry. Overrides the default warnings.showwarning behavior.

Sequence Diagram(s)

sequenceDiagram
    participant App as Application
    participant WH as warning_handler
    participant Logger as Logging Module
    participant Sentry as sentry_sdk

    App->>WH: Issue warning (message, category, filename, lineno, file, line)
    alt Message is Exception
        WH->>Sentry: capture_exception(message)
    end
    WH->>Logger: Log warning message
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⏰ Context from checks skipped due to timeout of 90000ms (4)
  • GitHub Check: Run tests Python 3.13.2
  • GitHub Check: Build armv7 supervisor
  • GitHub Check: Build armhf supervisor
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Actionable comments posted: 1

🧹 Nitpick comments (1)
supervisor/api/supervisor.py (1)

50-50: Remove unused import.

The capture_exception function is imported but not used directly in this file. According to static analysis, this should be removed to avoid confusion and maintain clean code.

-from ..utils.sentry import capture_exception, close_sentry, init_sentry
+from ..utils.sentry import close_sentry, init_sentry
🧰 Tools
🪛 Ruff (0.8.2)

50-50: ..utils.sentry.capture_exception imported but unused

Remove unused import: ..utils.sentry.capture_exception

(F401)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 696dcf6 and f4a6bf0.

📒 Files selected for processing (2)
  • supervisor/api/supervisor.py (1 hunks)
  • supervisor/bootstrap.py (3 hunks)
🧰 Additional context used
📓 Path-based instructions (6)
`*/**(html|markdown|md)`: - For instructional content in doc...

*/**(html|markdown|md): - For instructional content in documentation, use a direct and authoritative tone. Avoid expressions of politeness such as 'may' or 'please', and ensure the goal of the instruction is fronted.

  • Apply the Microsoft Style Guide to ensure documentation maintains clarity and conciseness.
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  • do not hyphenate terms like 'top-right' or 'bottom-left' with 'corner'
  • supervisor/bootstrap.py
`*/**(html|markdown|md)`: - Use bold to mark UI strings. - I...

*/**(html|markdown|md): - Use bold to mark UI strings.

  • If "" are used to mark UI strings, replace them by bold.
  • supervisor/bootstrap.py
`*/**(html|markdown|md)`: - Be brief in your replies and don...

*/**(html|markdown|md): - Be brief in your replies and don't add fluff like "thank you for..." and "Please let me know if"

  • supervisor/bootstrap.py
`*/**(html|markdown|md)`: - Use sentence-style capitalizatio...

*/**(html|markdown|md): - Use sentence-style capitalization also in headings.

  • supervisor/bootstrap.py
`*/**(html|markdown|md)`: do not comment on HTML used for ic...

*/**(html|markdown|md): do not comment on HTML used for icons

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  • supervisor/bootstrap.py
🪛 Ruff (0.8.2)
supervisor/bootstrap.py

227-227: First line of docstring should be in imperative mood: "Custom warning handler that logs warnings using the logging module."

(D401)


228-228: Logging statement uses f-string

(G004)


231-231: Prefer TypeError exception for invalid type

(TRY004)

supervisor/api/supervisor.py

50-50: ..utils.sentry.capture_exception imported but unused

Remove unused import: ..utils.sentry.capture_exception

(F401)

🪛 GitHub Check: Check ruff
supervisor/bootstrap.py

[failure] 227-227: Ruff (D401)
supervisor/bootstrap.py:227:5: D401 First line of docstring should be in imperative mood: "Custom warning handler that logs warnings using the logging module."


[failure] 228-228: Ruff (G004)
supervisor/bootstrap.py:228:21: G004 Logging statement uses f-string


[failure] 231-231: Ruff (TRY004)
supervisor/bootstrap.py:231:9: TRY004 Prefer TypeError exception for invalid type

🪛 GitHub Check: Check pylint
supervisor/bootstrap.py

[warning] 231-231:
W0719: Raising too general exception: Exception (broad-exception-raised)

⏰ Context from checks skipped due to timeout of 90000ms (4)
  • GitHub Check: Build armv7 supervisor
  • GitHub Check: Build armhf supervisor
  • GitHub Check: Build aarch64 supervisor
  • GitHub Check: Run tests Python 3.13.2
🔇 Additional comments (1)
supervisor/bootstrap.py (1)

260-260: LGTM! Overriding the default warning handler.

Overriding the default warning handler with a custom implementation is a good approach to capture warnings and report them to Sentry.

@agners agners force-pushed the report-warnings-to-logging-and-sentry branch from f4a6bf0 to 887490c Compare February 28, 2025 17:20
By default, warnings are simply printed to stderr. This makes them
easy to miss in the log. Capture warnings and user Python logger to log
them with warning level.

Also, if the message is an instance of Exception (which it typically
is), report the warning to Sentry. This is e.g. useful for asyncio
RuntimeWarning warnings "coroutine was never awaited".
@agners agners force-pushed the report-warnings-to-logging-and-sentry branch from 887490c to b91f7d9 Compare February 28, 2025 17:22
@agners agners merged commit 176e511 into main Feb 28, 2025
20 checks passed
@agners agners deleted the report-warnings-to-logging-and-sentry branch February 28, 2025 20:28
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2 participants