Add option to disable dns resolve #2634
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Signed-off-by: hlts2 <[email protected]>
WalkthroughWalkthroughThe changes enhance the gRPC client functionality, particularly regarding DNS address resolution. A new method, Changes
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Files skipped from review as they are similar to previous changes (1)
Additional comments not posted (1)
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Actionable comments posted: 0
Outside diff range and nitpick comments (1)
internal/net/grpc/client.go (1)
951-955: Implementation looks good!The
SetDisableResolveDNSAddrfunction allows for dynamically disabling DNS resolution for specific addresses, which is necessary when connecting to multiple locations. The comments provide good context on the rationale behind this implementation.A few additional suggestions:
- Consider adding unit tests to verify the behavior of this function.
- Consider documenting this function in the
Clientinterface definition for better visibility.
Review details
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Files ignored due to path filters (2)
apis/grpc/v1/payload/payload.pb.gois excluded by!**/*.pb.go,!**/*.pb.goapis/grpc/v1/rpc/errdetails/error_details.pb.gois excluded by!**/*.pb.go,!**/*.pb.go
Files selected for processing (3)
- internal/net/grpc/client.go (3 hunks)
- pkg/gateway/mirror/service/gateway.go (2 hunks)
- pkg/gateway/mirror/service/mirror.go (1 hunks)
Additional comments not posted (3)
pkg/gateway/mirror/service/gateway.go (1)
147-161: LGTM!The changes to the
Domethod enhance its error handling capabilities and introduce a robust fallback mechanism. Key improvements include:
- Checking for an empty
targetand returning an appropriate error.- Creating a new
fctxvariable to store the forwarded context.- Implementing a fallback mechanism using a round-robin approach to attempt the gRPC call with other available connections when an error occurs.
- Handling the case where the connection's target matches the original target by returning a specific error.
- Attempting to call the provided function
fwith the new connection's target as a fallback.These enhancements allow the method to better manage connection issues, improve the reliability of service calls, and increase the likelihood of successful gRPC operations.
pkg/gateway/mirror/service/mirror.go (1)
322-322: LGTM!The change to disable DNS resolution for the target address before attempting to connect aligns with the PR objective and could potentially improve connection reliability in certain scenarios.
Please verify that disabling DNS resolution does not introduce any unintended side effects or break existing functionality. Consider running tests or performing manual verification to ensure the change behaves as expected.
Verification successful
LGTM! The change appears to be safe, but careful testing and monitoring are advised.
The implementation to disable DNS resolution for specific addresses in the
Connectmethod is localized and doesn't seem to affect the global DNS behavior of the system. However, given the extensive use of DNS throughout the project, it's crucial to ensure this change doesn't introduce any unintended side effects.
- Thoroughly test the mirror service functionality, especially in scenarios where DNS resolution is disabled for certain addresses.
- Monitor the performance and behavior of the mirror service in production after deploying this change.
- Consider implementing logging or metrics to track when and how often DNS resolution is disabled, which could help in future optimizations.
Please proceed with caution and keep an eye on the system's behavior after deployment.
Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash # Description: Verify if disabling DNS resolution has any impact on existing functionality. # Test: Search for potential side effects or issues related to disabling DNS resolution. rg --type go -i 'dns|resolve' -A 5Length of output: 191007
internal/net/grpc/client.go (1)
986-992: Changes look good!The modifications to the
Connectfunction align with the purpose of theSetDisableResolveDNSAddrfunction. The added check on thedisableResolveDNSAddrsmap allows for dynamically disabling DNS resolution for specific addresses. The logic is correct and does not introduce any issues.
Codecov ReportAttention: Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #2634 +/- ##
==========================================
+ Coverage 24.23% 24.35% +0.11%
==========================================
Files 534 536 +2
Lines 46261 46459 +198
==========================================
+ Hits 11213 11315 +102
- Misses 34296 34375 +79
- Partials 752 769 +17 ☔ View full report in Codecov by Sentry. |
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Signed-off-by: hlts2 <[email protected]>
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Signed-off-by: hlts2 <[email protected]>
Signed-off-by: hlts2 <[email protected]>
* fix: add option to disable dns resolve Signed-off-by: hlts2 <[email protected]> * fix: add mock function Signed-off-by: hlts2 <[email protected]> * fix: unimplemented error Signed-off-by: hlts2 <[email protected]> * fix: change ForwardedContext method to private Signed-off-by: hlts2 <[email protected]> --------- Signed-off-by: hlts2 <[email protected]>
* fix: add option to disable dns resolve * fix: add mock function * fix: unimplemented error * fix: change ForwardedContext method to private --------- Signed-off-by: hlts2 <[email protected]> Co-authored-by: Hiroto Funakoshi <[email protected]>
* fix: add option to disable dns resolve Signed-off-by: hlts2 <[email protected]> * fix: add mock function Signed-off-by: hlts2 <[email protected]> * fix: unimplemented error Signed-off-by: hlts2 <[email protected]> * fix: change ForwardedContext method to private Signed-off-by: hlts2 <[email protected]> --------- Signed-off-by: hlts2 <[email protected]>
* fix: add option to disable dns resolve Signed-off-by: hlts2 <[email protected]> * fix: add mock function Signed-off-by: hlts2 <[email protected]> * fix: unimplemented error Signed-off-by: hlts2 <[email protected]> * fix: change ForwardedContext method to private Signed-off-by: hlts2 <[email protected]> --------- Signed-off-by: hlts2 <[email protected]>
Description
When we verified the mirror gateway to connect to multiple locations, we could not connect when dns resolve was enabled. Therefore, I added an interface to disable it.
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New Features
Bug Fixes