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Make sure sentinel is closed on quit() #238

Merged
merged 6 commits into from
Dec 1, 2024
Merged

Make sure sentinel is closed on quit() #238

merged 6 commits into from
Dec 1, 2024

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gkorland
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@gkorland gkorland commented Dec 1, 2024

Summary by CodeRabbit

  • New Features
    • Introduced a new quit method to manage the lifecycle of the sentinel client connection.
  • Improvements
    • Enhanced connection management for the sentinel client, ensuring better handling during quit operations.
  • Chores
    • Updated version number from 6.2.3 to 6.2.4 in the package.json file.

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coderabbitai bot commented Dec 1, 2024

Walkthrough

The changes in this pull request involve modifications to the Sentinel class located in src/clients/sentinel.ts. A new private property, sentinelClient, has been added to manage the connection to a sentinel client. The tryConnectSentinelServer method has been updated to assign this new property, ensuring it retains a reference to the client. Additionally, a new quit method has been introduced to handle the disconnection process, which includes invoking the superclass's quit method and managing the lifecycle of the sentinel client.

Changes

File Change Summary
src/clients/sentinel.ts - Added private property sentinelClient: SingleGraphConnection.
- Updated tryConnectSentinelServer to assign this.sentinelClient.
- Introduced new method async quit() to manage disconnection.
package.json - Version updated from 6.2.3 to 6.2.4.

Sequence Diagram(s)

sequenceDiagram
    participant Client
    participant Sentinel
    participant SingleGraphConnection

    Client->>Sentinel: init()
    Sentinel->>Sentinel: tryConnectSentinelServer()
    Sentinel->>SingleGraphConnection: connect()
    SingleGraphConnection-->>Sentinel: client reference assigned
    Client->>Sentinel: quit()
    Sentinel->>Sentinel: super.quit()
    Sentinel->>SingleGraphConnection: quit()
Loading

🐇 "In the code where the sentinels play,
A new client joins the fray.
With a quit to end the chase,
Connections managed with grace.
Hopping through the lines so bright,
Our sentinel's future is quite a sight!" 🌟

Possibly related PRs

  • Fix get connection #138: Fix get connection - This PR introduces a new getConnection method in the Client interface and modifies the FalkorDB class to use this method, which is relevant to the management of connections similar to the changes made in the Sentinel class regarding the sentinelClient connection lifecycle.

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📥 Commits

Reviewing files that changed from the base of the PR and between f00c989 and 8532829.


📜 Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between f00c989 and 8532829.

📒 Files selected for processing (1)
  • src/clients/sentinel.ts (3 hunks)
🚧 Files skipped from review as they are similar to previous changes (1)
  • src/clients/sentinel.ts

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Copilot reviewed 1 out of 1 changed files in this pull request and generated 1 suggestion.

src/clients/sentinel.ts Outdated Show resolved Hide resolved
@gkorland gkorland linked an issue Dec 1, 2024 that may be closed by this pull request
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Actionable comments posted: 1

🧹 Outside diff range and nitpick comments (2)
src/clients/sentinel.ts (2)

55-56: Fix typo in comment

There's a typo in the comment ("quite" should be "quit").

- // Save sentinel client to quite on quit()
+ // Save sentinel client to quit on quit()

87-93: Improve quit() implementation

The quit implementation has a few areas for improvement:

  1. Add error handling for the quit operation
  2. Remove unnecessary promise chain as quit() already returns Promise
 async quit() {
     await super.quit();
     if (this.sentinelClient) {
-        const reply = this.sentinelClient.quit();
-        return reply.then(() => {})
+        try {
+            await this.sentinelClient.quit();
+        } catch (error) {
+            console.error('Error while quitting sentinel client:', error);
+            throw error;
+        }
     }
 }
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 2bed64c and f4ad37e.

📒 Files selected for processing (1)
  • src/clients/sentinel.ts (3 hunks)
🧰 Additional context used
🪛 GitHub Check: build (20.x)
src/clients/sentinel.ts

[failure] 22-22:
Property 'sentinelClient' has no initializer and is not definitely assigned in the constructor.

🪛 GitHub Check: build (18.x)
src/clients/sentinel.ts

[failure] 22-22:
Property 'sentinelClient' has no initializer and is not definitely assigned in the constructor.

🔇 Additional comments (1)
src/clients/sentinel.ts (1)

87-93: Implementation successfully addresses PR objective

The changes ensure proper cleanup of both the main client and sentinel client during shutdown. To verify the implementation:

✅ Verification successful

Implementation correctly handles sentinel client cleanup

The verification confirms:

  • The quit() implementation in src/clients/sentinel.ts is the only one in the codebase
  • Sentinel cleanup is properly handled through sentinelClient.quit()
  • No conflicting or duplicate sentinel cleanup implementations exist
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Verify no other quit() implementations exist that might conflict
ast-grep --pattern 'quit() {
  $$$
}'

# Check for any other sentinel cleanup implementations
rg -i "sentinel.*quit|quit.*sentinel"

Length of output: 232

src/clients/sentinel.ts Outdated Show resolved Hide resolved
barakb
barakb previously approved these changes Dec 1, 2024
src/clients/sentinel.ts Outdated Show resolved Hide resolved
@gkorland gkorland requested review from barakb and AviAvni December 1, 2024 08:03
@gkorland gkorland merged commit e5232bd into main Dec 1, 2024
5 checks passed
@gkorland gkorland deleted the quit_sentinel branch December 1, 2024 08:24
@coderabbitai coderabbitai bot mentioned this pull request Dec 1, 2024
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Successfully merging this pull request may close these issues.

Sentinel connection on not closed on Client quit()
3 participants