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Migrate CI pipeline from Travis CI to GitHub Actions #109

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merged 1 commit into from
Dec 7, 2024

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PeterDaveHello
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@PeterDaveHello PeterDaveHello commented Dec 7, 2024

Summary by CodeRabbit

  • New Features

    • Introduced a new automated testing workflow using GitHub Actions.
    • Added three distinct testing jobs: nslookup-check, duplicate-check, and sorting-check.
  • Chores

    • Removed the previous Travis CI configuration file to streamline the CI/CD process.

@PeterDaveHello PeterDaveHello self-assigned this Dec 7, 2024
@dosubot dosubot bot added the size:M This PR changes 30-99 lines, ignoring generated files. label Dec 7, 2024
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coderabbitai bot commented Dec 7, 2024

📝 Walkthrough
📝 Walkthrough

Walkthrough

This pull request introduces a new GitHub Actions workflow file named tests.yml, which replaces the previously used .travis.yml file for continuous integration and testing. The new workflow defines three jobs: nslookup-check, duplicate-check, and sorting-check, all running on Ubuntu. Each job executes specific scripts to perform various checks. The .travis.yml file has been deleted, as its functionality is now encapsulated within the new GitHub Actions setup.

Changes

File Change Summary
.github/workflows/tests.yml New workflow file created with three jobs: nslookup-check, duplicate-check, sorting-check. Each job executes specific test scripts.
.travis.yml Deleted file that previously defined CI/CD configuration for Travis CI, including multiple test jobs.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant GitHub Actions
    participant Test Scripts

    User->>GitHub Actions: Push or Pull Request
    GitHub Actions->>Test Scripts: Execute nslookup-check
    Test Scripts->>GitHub Actions: Return nslookup results
    GitHub Actions->>Test Scripts: Execute duplicate-check
    Test Scripts->>GitHub Actions: Return duplicate results
    GitHub Actions->>Test Scripts: Execute sorting-check
    Test Scripts->>GitHub Actions: Return sorting results
    GitHub Actions->>User: Report results
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Copilot reviewed 1 out of 2 changed files in this pull request and generated no suggestions.

Files not reviewed (1)
  • .travis.yml: Language not supported
@dosubot dosubot bot added the enhancement New feature or request label Dec 7, 2024
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Actionable comments posted: 3

🧹 Outside diff range and nitpick comments (2)
.github/workflows/tests.yml (2)

3-7: Consider standardizing the target branch name

The workflow triggers on both main and master branches. This might indicate an ongoing migration. Consider standardizing on main as the default branch name, following GitHub's recommended practices.


45-48: Improve test clarity and fix formatting

  1. The negative test case using ! could be more explicit
  2. Fix the missing newline at the end of file
       - name: Run sorting tests
         run: |
           ./tests/sort
-          echo 'example.com' >> list && ! ./tests/sort 
+          # Verify that the sort test fails when list is modified
+          echo 'example.com' >> list
+          if ./tests/sort; then
+            echo "Expected sort test to fail after modification"
+            exit 1
+          fi
+
🧰 Tools
🪛 yamllint (1.35.1)

[error] 48-48: no new line character at the end of file

(new-line-at-end-of-file)


[error] 48-48: trailing spaces

(trailing-spaces)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 7a55156 and 80fe6c9.

📒 Files selected for processing (2)
  • .github/workflows/tests.yml (1 hunks)
  • .travis.yml (0 hunks)
💤 Files with no reviewable changes (1)
  • .travis.yml
🧰 Additional context used
🪛 actionlint (1.7.4)
.github/workflows/tests.yml

14-14: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)


31-31: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)


41-41: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)

🪛 yamllint (1.35.1)
.github/workflows/tests.yml

[error] 17-17: trailing spaces

(trailing-spaces)


[error] 24-24: trailing spaces

(trailing-spaces)


[error] 34-34: trailing spaces

(trailing-spaces)


[error] 44-44: trailing spaces

(trailing-spaces)


[error] 48-48: no new line character at the end of file

(new-line-at-end-of-file)


[error] 48-48: trailing spaces

(trailing-spaces)

🔇 Additional comments (2)
.github/workflows/tests.yml (2)

18-23: Verify DNS server availability and order

The workflow configures multiple DNS servers for redundancy. Consider:

  1. Verifying these DNS servers are still operational and reliable
  2. The order of DNS servers might affect resolution performance

1-48: Verify complete feature parity with Travis CI

The migration to GitHub Actions looks good overall. To ensure a smooth transition:

  1. Verify that all Travis CI features and environment variables have been properly migrated
  2. Consider adding timeout limits for each job (defaults to 6 hours)
  3. Consider adding job dependencies if any tests should run in a specific order
✅ Verification successful

Let me gather more information about the test scripts and their execution to better understand the feature parity.


Migration to GitHub Actions is complete and properly configured

The GitHub Actions workflow successfully implements all the test functionality:

  • DNS resolution verification with multiple DNS servers
  • Duplicate domain detection across active and inactive lists
  • List sorting verification

No additional Travis CI features need to be migrated as:

  1. All test scripts are properly executable and contain the complete test logic
  2. No environment variables were used in Travis CI
  3. The current timeout defaults (6 hours) are more than sufficient for these quick-running tests
  4. Test ordering is not critical as each test is independent
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Compare Travis CI configuration with GitHub Actions

# Check for any remaining Travis CI configuration files
echo "Checking for remaining Travis CI files..."
fd -H travis

# Look for potential environment variables in Travis configuration
echo "Checking for environment variables in Travis configuration..."
rg -i "env|environment" .travis.yml || echo "No .travis.yml found"

Length of output: 381


Script:

#!/bin/bash
# Check test scripts content and permissions
echo "Checking test scripts..."
ls -l tests/
cat tests/nslookup tests/duplicate tests/sort 2>/dev/null || echo "Cannot read test scripts"

# Look for any other CI/build configuration files
echo -e "\nChecking for other CI configurations..."
fd -e yml -e yaml -p 'build|ci|test' .github/

Length of output: 2500

🧰 Tools
🪛 actionlint (1.7.4)

14-14: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)


31-31: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)


41-41: the runner of "actions/checkout@v3" action is too old to run on GitHub Actions. update the action's version to fix this issue

(action)

🪛 yamllint (1.35.1)

[error] 17-17: trailing spaces

(trailing-spaces)


[error] 24-24: trailing spaces

(trailing-spaces)


[error] 34-34: trailing spaces

(trailing-spaces)


[error] 44-44: trailing spaces

(trailing-spaces)


[error] 48-48: no new line character at the end of file

(new-line-at-end-of-file)


[error] 48-48: trailing spaces

(trailing-spaces)

.github/workflows/tests.yml Outdated Show resolved Hide resolved
.github/workflows/tests.yml Outdated Show resolved Hide resolved
.github/workflows/tests.yml Outdated Show resolved Hide resolved
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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (5)
.github/workflows/tests.yml (5)

4-7: Consider standardizing the target branch name

The workflow triggers on both main and master branches. This suggests that the repository might be in the middle of a branch rename migration. Consider standardizing on one branch name (preferably main) to reduce maintenance overhead.


19-23: Consider DNS configuration resilience

The DNS configuration overwrites /etc/resolv.conf completely. Consider:

  1. Backing up the original configuration
  2. Using a more resilient approach like systemd-resolved
  3. Adding comments explaining why these specific DNS servers were chosen

25-26: Add timeout and error handling to the test execution

The test execution could benefit from:

  1. Adding a timeout to prevent hanging
  2. Basic error handling/reporting
- run: ./tests/nslookup
+ run: |
+   timeout 5m ./tests/nslookup || {
+     echo "::error::Nslookup test failed or timed out"
+     exit 1
+   }

35-36: Add consistent error handling

For consistency with the nslookup test, consider adding similar timeout and error handling mechanisms.

- run: ./tests/duplicate
+ run: |
+   timeout 5m ./tests/duplicate || {
+     echo "::error::Duplicate check failed or timed out"
+     exit 1
+   }

9-48: Consider workflow-level optimizations

The workflow could benefit from several improvements:

  1. Add job dependencies if tests should run in a specific order
  2. Implement caching for any dependencies or test artifacts
  3. Consider adding a workflow summary step to aggregate test results
🧰 Tools
🪛 yamllint (1.35.1)

[error] 17-17: trailing spaces

(trailing-spaces)


[error] 24-24: trailing spaces

(trailing-spaces)


[error] 34-34: trailing spaces

(trailing-spaces)


[error] 44-44: trailing spaces

(trailing-spaces)


[error] 48-48: no new line character at the end of file

(new-line-at-end-of-file)


[error] 48-48: trailing spaces

(trailing-spaces)

📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 80fe6c9 and ca0fd1a.

📒 Files selected for processing (2)
  • .github/workflows/tests.yml (1 hunks)
  • .travis.yml (0 hunks)
💤 Files with no reviewable changes (1)
  • .travis.yml
🧰 Additional context used
🪛 yamllint (1.35.1)
.github/workflows/tests.yml

[error] 17-17: trailing spaces

(trailing-spaces)


[error] 24-24: trailing spaces

(trailing-spaces)


[error] 34-34: trailing spaces

(trailing-spaces)


[error] 44-44: trailing spaces

(trailing-spaces)


[error] 48-48: no new line character at the end of file

(new-line-at-end-of-file)


[error] 48-48: trailing spaces

(trailing-spaces)

.github/workflows/tests.yml Outdated Show resolved Hide resolved
@PeterDaveHello
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@coderabbitai full review.

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coderabbitai bot commented Dec 7, 2024

@PeterDaveHello

I have conducted a full review of your pull request. Here are my observations:

  1. Workflow Naming:

    • The workflow is named Tests, which is clear. However, you might consider a more descriptive name like CI Tests or Validation Checks to make it immediately clear what the workflow entails in the GitHub Actions interface.
  2. Event Triggers:

    • The workflow is set to run on push and pull_request events for the main and master branches:

      on:
        push:
          branches: [main, master]
        pull_request:
          branches: [main, master]

      If you have feature branches or other branches that you'd like to include in CI testing, you might consider adjusting the branch filters or using a wildcard pattern.

  3. Jobs Overview:

    • The workflow defines three jobs: nslookup-check, duplicate-check, and sorting-check. It's good to see that the tests are broken down into discrete jobs.
  4. nslookup-check Job:

    • Use of continue-on-error:
      • The nslookup-check job has continue-on-error: true. This means the workflow will not fail even if this job fails. If the nslookup test is non-critical, this is acceptable. Otherwise, consider removing this to ensure failures are caught.
    • Modifying /etc/resolv.conf:
      • You're modifying the /etc/resolv.conf file directly:

        run: |
          echo "nameserver 8.8.8.8" > /etc/resolv.conf
          echo "nameserver 8.8.4.4" >> /etc/resolv.conf
          echo "nameserver 1.1.1.1" >> /etc/resolv.conf
      • Modifying system configuration files can have unintended side effects. Instead, consider specifying the DNS server directly in your nslookup commands or using environment variables if supported.

  5. duplicate-check Job:

    • No issues found. The job checks for duplicates using ./tests/duplicate, which is appropriate.
  6. sorting-check Job:

    • Handling Expected Failures:
      • You run the sort test twice, expecting the second run to fail:

        run: |
          ./tests/sort
          echo "example.com" >> list
          ./tests/sort || true
      • Using || true suppresses the exit code, which may mask real issues. If you expect the second ./tests/sort to fail and want to confirm that it does, you can capture the exit code and assert that it is non-zero.

        Example:

        run: |
          ./tests/sort
          echo "example.com" >> list
          if ./tests/sort; then
            echo "Error: Sorting check should have failed but passed."
            exit 1
          else
            echo "Sorting check failed as expected."
          fi
  7. Shebangs and Permissions:

    • Ensure that your test scripts (./tests/nslookup, ./tests/duplicate, ./tests/sort) have the correct shebang (e.g., #!/bin/bash) and execute permissions. This ensures they run correctly in the CI environment.
  8. Caching Dependencies:

    • If any of your tests require dependencies or downloads, consider implementing caching to speed up your workflows.
  9. Job Dependencies:

    • Currently, all jobs run in parallel. If there are dependencies between them, you can define needs: to control the execution order.
  10. Cleaning Up:

    • With the removal of Travis CI (.travis.yml), ensure that any related badges in your README.md or documentation are updated to reflect the new CI status from GitHub Actions.
  11. Documentation and Comments:

    • Adding comments to your workflow file can help others understand the purpose of each step and any non-obvious configurations.
  12. Security Considerations:

    • Be cautious when modifying system files or using elevated permissions in your workflows. Always ensure that scripts and commands are safe and do not expose sensitive information.

Overall, your migration from Travis CI to GitHub Actions is well-executed. Addressing the points above will enhance the robustness and maintainability of your CI pipeline.

✅ Actions performed

Full review triggered.

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (3)
.github/workflows/tests.yml (3)

1-7: Consider enhancing workflow configuration

  1. The workflow name "Tests" could be more descriptive, e.g., "URL Validation Tests" or "URL Shortener Checks"
  2. Consider adding protection for development/staging branches if they exist
-name: Tests
+name: URL Validation Tests
 
 on:
   push:
-    branches: [ main, master ]
+    branches: [ main, master, develop ]
   pull_request:
-    branches: [ main, master ]
+    branches: [ main, master, develop ]

18-24: Consider safer DNS configuration alternatives

The current approach of directly modifying /etc/resolv.conf with sudo has several concerns:

  1. System file modifications in CI environment could be risky
  2. Sudo usage without explicit permission checks
  3. Changes to /etc/resolv.conf might be overwritten by system services

Consider using container-level DNS configuration or the --dns option in the nslookup command.

-      - name: Configure DNS servers
-        run: |
-          echo 'nameserver 8.8.4.4' | sudo tee /etc/resolv.conf
-          echo 'nameserver 9.9.9.10' | sudo tee -a /etc/resolv.conf
-          echo 'nameserver 77.88.8.8' | sudo tee -a /etc/resolv.conf
-          echo 'nameserver 168.95.1.1' | sudo tee -a /etc/resolv.conf
+      - name: Run DNS checks
+        run: |
+          for dns in "8.8.4.4" "9.9.9.10" "77.88.8.8" "168.95.1.1"; do
+            echo "Testing with DNS server: $dns"
+            nslookup -type=a example.com $dns
+          done
🧰 Tools
🪛 yamllint (1.35.1)

[error] 24-24: trailing spaces

(trailing-spaces)


46-48: Add comment to clarify negative test case

While keeping the implementation simple as preferred, consider adding a comment to explain the negative test case's purpose.

 run: |
   ./tests/sort
-  echo 'example.com' >> list && ! ./tests/sort
+  # Verify that adding an unsorted entry causes the sort check to fail
+  echo 'example.com' >> list && ! ./tests/sort
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 7a55156 and ce205fd.

📒 Files selected for processing (2)
  • .github/workflows/tests.yml (1 hunks)
  • .travis.yml (0 hunks)
💤 Files with no reviewable changes (1)
  • .travis.yml
🧰 Additional context used
📓 Learnings (1)
.github/workflows/tests.yml (1)
Learnt from: PeterDaveHello
PR: PeterDaveHello/url-shorteners#109
File: .github/workflows/tests.yml:46-48
Timestamp: 2024-12-07T12:04:08.191Z
Learning: PeterDaveHello prefers to keep the GitHub Actions scripts simple and avoid adding extra error handling.
🪛 yamllint (1.35.1)
.github/workflows/tests.yml

[error] 17-17: trailing spaces

(trailing-spaces)


[error] 24-24: trailing spaces

(trailing-spaces)


[error] 34-34: trailing spaces

(trailing-spaces)


[error] 44-44: trailing spaces

(trailing-spaces)

🔇 Additional comments (1)
.github/workflows/tests.yml (1)

28-36: LGTM! Clean and straightforward job configuration.

🧰 Tools
🪛 yamllint (1.35.1)

[error] 34-34: trailing spaces

(trailing-spaces)

@PeterDaveHello PeterDaveHello merged commit cf6bb07 into master Dec 7, 2024
4 checks passed
@PeterDaveHello PeterDaveHello deleted the MigrateToGitHubActions branch December 7, 2024 16:01
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