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Add retries for fetching SBOM data #9972

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merged 1 commit into from
Jan 15, 2025

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@rithviknishad rithviknishad commented Jan 14, 2025

Issue

GitHub's APIs (SBOM), may throw internal 500 error, or network request could randomly fail due to unpredictable reasons which could be one-off exceptions.

image

Proposed Changes

  • Add retries for fetching SBOM data

@ohcnetwork/care-fe-code-reviewers

Merge Checklist

  • Add specs that demonstrate bug / test a new feature.
  • Update product documentation.
  • Ensure that UI text is kept in I18n files.
  • Prep screenshot or demo video for changelog entry, and attach it to issue.
  • Request for Peer Reviews
  • Completion of QA

Summary by CodeRabbit

  • New Features

    • Enhanced SBOM data fetching with retry mechanism
    • Added configurable retry attempts for GitHub repository data retrieval
  • Bug Fixes

    • Improved error handling for data fetching operations

@rithviknishad rithviknishad requested a review from a team as a code owner January 14, 2025 18:28
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coderabbitai bot commented Jan 14, 2025

Walkthrough

The changes modify the SBOM data fetching script to introduce a retry mechanism with exponential backoff. A new delay utility function is added to enable waiting between fetch attempts. The fetchSbomData function is updated to support multiple retry attempts when fetching data from a GitHub repository, improving the resilience of the data retrieval process.

Changes

File Change Summary
scripts/generate-sbom-data.ts - Added delay(ms: number) async utility function
- Updated fetchSbomData to accept optional retries parameter
- Implemented retry logic with exponential backoff

Sequence Diagram

sequenceDiagram
    participant Caller
    participant fetchSbomData
    participant GitHub
    
    Caller->>fetchSbomData: Call with repo, retries
    loop Retry Mechanism
        fetchSbomData->>GitHub: Fetch SBOM Data
        alt Fetch Successful
            GitHub-->>fetchSbomData: Return Data
            fetchSbomData-->>Caller: Return Data
        else Fetch Failed
            fetchSbomData->>fetchSbomData: Wait (Exponential Delay)
            fetchSbomData->>GitHub: Retry Fetch
        end
    end
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Poem

🐰 Retry, retry, with rabbit might,
Fetching data, making errors light,
Exponential wait, a clever dance,
Resilience wins at every chance!
SBOM data flows, no need to fright! 🔍

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cypress bot commented Jan 14, 2025

CARE    Run #4318

Run Properties:  status check passed Passed #4318  •  git commit 464d9ce58e: Add retries for fetching SBOM data
Project CARE
Branch Review rithviknishad/feat/sbom-retries
Run status status check passed Passed #4318
Run duration 01m 47s
Commit git commit 464d9ce58e: Add retries for fetching SBOM data
Committer Rithvik Nishad
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Test results
Tests that failed  Failures 0
Tests that were flaky  Flaky 0
Tests that did not run due to a developer annotating a test with .skip  Pending 0
Tests that did not run due to a failure in a mocha hook  Skipped 0
Tests that passed  Passing 4
View all changes introduced in this branch ↗︎

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Actionable comments posted: 1

🧹 Nitpick comments (2)
scripts/generate-sbom-data.ts (2)

18-23: Add error handling for rate limits.

The GitHub API has rate limits that should be handled explicitly.

       const response = await fetch(url, {
         headers: {
           Accept: "application/vnd.github+json",
           "X-GitHub-Api-Version": "2022-11-28",
         },
       });
+
+      // Handle rate limits explicitly
+      if (response.status === 429) {
+        const retryAfter = response.headers.get('Retry-After');
+        if (retryAfter) {
+          await delay(parseInt(retryAfter, 10) * 1000);
+          continue;
+        }
+      }

25-27: Add type safety for the response.

The response JSON structure should be typed for better type safety.

interface SBOMResponse {
  // Add expected SBOM response structure
  sbom: {
    // ... SBOM fields
  };
}

// Then use it in the return
return (await response.json()) as SBOMResponse;
📜 Review details

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Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 364870b and 464d9ce.

📒 Files selected for processing (1)
  • scripts/generate-sbom-data.ts (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (1)
  • GitHub Check: Cloudflare Pages: care-fe
🔇 Additional comments (2)
scripts/generate-sbom-data.ts (2)

9-11: LGTM! Clean implementation of the delay utility.

The Promise-based delay implementation is well-typed and follows best practices.


13-13: Verify impact of retry mechanism on callers.

Let's check for other callers of fetchSbomData that might need updates for the new retry parameter.

✅ Verification successful

Implementation is safe and backward compatible

The retry parameter is optional with a default value, and all existing calls in the codebase continue to work without modification.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for other callers of fetchSbomData
rg "fetchSbomData\(" --type ts

Length of output: 209

scripts/generate-sbom-data.ts Show resolved Hide resolved
@khavinshankar khavinshankar merged commit fe50f07 into develop Jan 15, 2025
34 checks passed
@khavinshankar khavinshankar deleted the rithviknishad/feat/sbom-retries branch January 15, 2025 03:36
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@rithviknishad Your efforts have helped advance digital healthcare and TeleICU systems. 🚀 Thank you for taking the time out to make CARE better. We hope you continue to innovate and contribute; your impact is immense! 🙌

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3 participants