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chore: prevent revision check from retrying unnecessary #1315

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merged 1 commit into from
Oct 17, 2024

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arealmaas
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@arealmaas arealmaas commented Oct 17, 2024

Description

The revision check kept on retrying even though the revision had failed

Related Issue(s)

  • #{issue number}

Verification

  • Your code builds clean without any errors or warnings
  • Manual testing done (required)
  • Relevant automated test added (if you find this hard, leave it and we'll help out)

Documentation

  • Documentation is updated (either in docs-directory, Altinnpedia or a separate linked PR in altinn-studio-docs., if applicable)

Summary by CodeRabbit

  • Bug Fixes

    • Improved handling of exit codes during container app revision verification, enhancing clarity and control flow.
    • Adjusted output messages for better user understanding based on revision state.
  • Refactor

    • Streamlined the verification process to improve readability and maintainability of the script.

@arealmaas arealmaas requested review from a team as code owners October 17, 2024 11:06
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coderabbitai bot commented Oct 17, 2024

📝 Walkthrough

Walkthrough

The pull request introduces modifications to the revisionVerifier.sh script, focusing on enhancing exit code handling and control flow during container app revision verification. It defines three new exit codes and updates the verify_revision function to return these codes based on the revision's health and state. The status-checking loop is refactored to use a case statement for clearer outcome handling, improving the script's readability and maintainability.

Changes

File Change Summary
.github/tools/revisionVerifier.sh Enhanced exit code handling by defining constants EXIT_SUCCESS, EXIT_NOT_READY, EXIT_FAILED. Updated verify_revision function to return these constants. Refactored status-checking loop to use a case statement for improved control flow and output clarity.

Possibly related PRs

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  • oskogstad
  • knuhau

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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (3)
.github/tools/revisionVerifier.sh (3)

41-45: LGTM: Improved error handling and consistent use of exit codes.

The addition of a specific check for the "Failed" state enhances error handling, and the use of exit code constants improves consistency and readability.

Consider adding a comment explaining the conditions for EXIT_NOT_READY to improve clarity:

  if [[ $health_state == "Healthy" && ($running_state == "Running" || $running_state == "RunningAtMaxScale") ]]; then
    return $EXIT_SUCCESS
  else
+   # Return EXIT_NOT_READY if the revision is not healthy or not in a running state
    return $EXIT_NOT_READY
  fi

Also applies to: 49-51


57-76: LGTM: Improved control flow with case statement.

The refactoring of the main loop to use a case statement significantly improves the readability and maintainability of the script. The logic for handling different states is clear and well-structured.

To address the static analysis warnings and improve robustness, consider quoting the variables in the case patterns:

  case $result in
-   $EXIT_SUCCESS)
+   "$EXIT_SUCCESS")
      echo "Revision $revision_name is healthy and running"
      exit $EXIT_SUCCESS
      ;;
-   $EXIT_FAILED)
+   "$EXIT_FAILED")
      echo "Revision $revision_name has failed. Exiting."
      exit $EXIT_FAILED
      ;;
-   $EXIT_NOT_READY)
+   "$EXIT_NOT_READY")
      echo "Attempt $attempt: Waiting for revision $revision_name ..."
      sleep 10 # Sleep for 10 seconds
      attempt=$((attempt+1))
      ;;
  esac

This change will prevent potential issues if the variables contain special characters or spaces.

🧰 Tools
🪛 Shellcheck

[warning] 63-63: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 67-67: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 71-71: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


Line range hint 21-76: Overall improvements enhance script robustness and maintainability.

The changes made to this script align well with the PR objectives of preventing unnecessary retries for failed revisions. The introduction of clear exit codes, improved error handling, and the refactored main loop using a case statement all contribute to a more robust and maintainable script.

These modifications should effectively address the issue of continuous retrying after a revision has failed, improving the efficiency of the revision checking process.

To further improve the script's robustness, consider adding logging functionality. This could help with debugging and monitoring the script's behavior in production. For example:

log_message() {
  echo "[$(date +'%Y-%m-%d %H:%M:%S')] $1" >> /path/to/logfile.log
}

# Then use it in the script:
log_message "Attempt $attempt: Waiting for revision $revision_name ..."

This would provide valuable insights into the script's execution over time.

🧰 Tools
🪛 Shellcheck

[warning] 63-63: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 67-67: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 71-71: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 0072488 and c1e0a56.

📒 Files selected for processing (1)
  • .github/tools/revisionVerifier.sh (2 hunks)
🧰 Additional context used
🪛 Shellcheck
.github/tools/revisionVerifier.sh

[warning] 63-63: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 67-67: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)


[warning] 71-71: Quote expansions in case patterns to match literally rather than as a glob.

(SC2254)

🔇 Additional comments (1)
.github/tools/revisionVerifier.sh (1)

21-24: LGTM: Well-defined exit codes improve script clarity.

The introduction of these exit code constants enhances the script's readability and maintainability. The use of readonly is a good practice to prevent accidental modifications.

@arealmaas arealmaas merged commit c3e8e8c into main Oct 17, 2024
24 checks passed
@arealmaas arealmaas deleted the chore/prevent-revision-check-from-retrying branch October 17, 2024 13:07
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2 participants