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fix:RefreshAdminServerAddressTask supports dynamic configuration of time interval #5248

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@youngzil youngzil commented Oct 7, 2024

…ime interval

What's the purpose of this PR

XXXXX

Which issue(s) this PR fixes:

Fixes #5245

Brief changelog

XXXXX

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Summary by CodeRabbit

  • New Features

    • Enhanced configurability for refresh intervals of admin server address tasks.
    • Added methods to retrieve dynamic refresh interval values from configuration settings.
  • Bug Fixes

    • Improved validation for refresh interval values to ensure they fall within specified bounds.
  • Refactor

    • Constructor of the AdminServiceAddressLocator class updated to include new configuration dependency.

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

Walkthrough

The changes involve modifications to the AdminServiceAddressLocator and PortalConfig classes within the Apollo portal. The AdminServiceAddressLocator class now includes a new dependency on PortalConfig, which allows for dynamic configuration of refresh intervals for admin server address tasks. The previous hardcoded constants for refresh intervals have been removed and replaced with method calls to PortalConfig. The PortalConfig class has been updated to include new methods for retrieving these intervals, along with validation logic for ensuring the values are within acceptable bounds.

Changes

File Change Summary
apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/AdminServiceAddressLocator.java - Constructor updated to include PortalConfig.
- Removed constants NORMAL_REFRESH_INTERVAL and OFFLINE_REFRESH_INTERVAL.
- Replaced with method calls to portalConfig.
apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/config/PortalConfig.java - Added constants for default refresh intervals.
- Introduced methods refreshAdminServerAddressTaskNormalIntervalInMilli() and refreshAdminServerAddressTaskOfflineIntervalInMilli().
- Added validation method checkInt().

Assessment against linked issues

Objective Addressed Explanation
Dynamic adjustment of RefreshAdminServerAddressTask delay time (#5245)

Possibly related PRs

Suggested labels

size:S, lgtm

Suggested reviewers

  • nobodyiam

Poem

In the land of code where rabbits play,
New settings bloom, brightening the day.
Refresh intervals now dance with grace,
Configurable paths in a dynamic space.
Hopping along, we cheer and sing,
For changes like these make our hearts spring! 🐇✨


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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)
apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/config/PortalConfig.java (2)

199-202: Consider increasing the minimum allowed interval

The method successfully implements configurable normal refresh intervals, which aligns with the PR objectives. However, the minimum allowed value of 5 milliseconds seems extremely low for a production environment.

Consider increasing the minimum value to a more reasonable duration, such as 1000 milliseconds (1 second) or higher, to prevent potential system stress from overly frequent refreshes.

-    return checkInt(interval, 5, Integer.MAX_VALUE, DEFAULT_REFRESH_ADMIN_SERVER_ADDRESS_TASK_NORMAL_INTERVAL_IN_MILLI);
+    return checkInt(interval, 1000, Integer.MAX_VALUE, DEFAULT_REFRESH_ADMIN_SERVER_ADDRESS_TASK_NORMAL_INTERVAL_IN_MILLI);

204-207: Consider increasing the minimum allowed interval for consistency

The method successfully implements configurable offline refresh intervals, aligning with the PR objectives. However, similar to the normal refresh interval, the minimum allowed value of 5 milliseconds is extremely low.

For consistency with the previous suggestion and to prevent potential system stress, consider increasing the minimum value to 1000 milliseconds (1 second) or higher.

-    return checkInt(interval, 5, Integer.MAX_VALUE, DEFAULT_REFRESH_ADMIN_SERVER_ADDRESS_TASK_OFFLINE_INTERVAL_IN_MILLI);
+    return checkInt(interval, 1000, Integer.MAX_VALUE, DEFAULT_REFRESH_ADMIN_SERVER_ADDRESS_TASK_OFFLINE_INTERVAL_IN_MILLI);
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Files that changed from the base of the PR and between 94c28af and fa1b0de.

📒 Files selected for processing (2)
  • apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/AdminServiceAddressLocator.java (3 hunks)
  • apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/config/PortalConfig.java (3 hunks)
🧰 Additional context used
🔇 Additional comments (9)
apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/config/PortalConfig.java (3)

46-47: LGTM: Default refresh interval constants added

The addition of these constants provides clear default values for the normal and offline refresh intervals. The chosen values (5 minutes for normal and 10 seconds for offline) seem reasonable for their respective scenarios.


321-326: LGTM: Helpful integer validation method added

The checkInt() method is a well-implemented utility for validating integer configuration values. It promotes code reuse and ensures consistent behavior across different configuration settings.


Line range hint 46-326: Summary: Successful implementation of configurable refresh intervals

The changes in this file successfully implement configurable refresh intervals for the RefreshAdminServerAddressTask, addressing the objectives outlined in the PR and the linked issue #5245. The implementation allows for dynamic configuration of both normal and offline refresh intervals, which should improve the handling of admin service addresses in multi-AZ disaster recovery scenarios.

Key points:

  1. Default constants are well-defined.
  2. New methods for retrieving configurable intervals are implemented correctly.
  3. A helper method for integer validation promotes code reuse and consistency.

Minor suggestions have been made to increase the minimum allowed interval values to prevent potential system stress from overly frequent refreshes. Overall, the implementation is solid and achieves the desired functionality.

apollo-portal/src/main/java/com/ctrip/framework/apollo/portal/component/AdminServiceAddressLocator.java (6)

19-19: Import PortalConfig for dynamic configuration.

The import statement correctly adds PortalConfig to enable dynamic refresh intervals.


58-58: Add portalConfig as a final member variable.

Introducing portalConfig as a final member variable ensures it is immutable after initialization.


64-65: Update constructor to include PortalConfig.

The constructor now accepts PortalConfig portalConfig, allowing the class to access dynamic configurations.


70-70: Assign portalConfig within the constructor.

Assigning this.portalConfig = portalConfig; correctly initializes the member variable.


110-113: Handle scheduling failures appropriately.

If both refreshSuccess and currentEnvRefreshResult are false, the task schedules using the offline interval. Ensure that this logic aligns with the desired retry strategy when refreshes fail.

Please confirm that the retry mechanism after a failed refresh operates as intended.


110-113: Use dynamic refresh intervals from PortalConfig.

Replacing hardcoded constants with dynamic values from portalConfig enhances configurability. Ensure that refreshAdminServerAddressTaskNormalIntervalInMilli() and refreshAdminServerAddressTaskOfflineIntervalInMilli() provide valid intervals.

To confirm that these methods return appropriate values, consider running the following script:

✅ Verification successful

Verification Successful: Dynamic Refresh Intervals Confirmed

The methods refreshAdminServerAddressTaskNormalIntervalInMilli() and refreshAdminServerAddressTaskOfflineIntervalInMilli() are correctly implemented to return positive integers, ensuring dynamic configurability as intended.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Verify that the refresh intervals are correctly configured and greater than zero.

# Expect: The methods should return positive integers.

# Find method implementations and check default values.
rg --type java 'public.*refreshAdminServerAddressTaskNormalIntervalInMilli\(\)' -A 5
rg --type java 'public.*refreshAdminServerAddressTaskOfflineIntervalInMilli\(\)' -A 5

Length of output: 2171

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AdminServiceAddressLocator中的定时任务RefreshAdminServerAddressTask的delay时间可以动态调整
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