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Fix DNS SRV provider ignoring query suffix - #7688
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Fixes dotnet#7175 Infer Kubernetes namespace in DnsSrvServiceEndpointProviderFactory. Add tests for suffix normalization and ServiceDomainNameCallback precedence.
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Pull request overview
This PR fixes a regression in Microsoft.Extensions.ServiceDiscovery.Dns where the DNS SRV query-building path ignored the normalized (dot-trimmed / Kubernetes-inferred) query suffix, causing SRV lookups to use the raw configured suffix instead of the computed one.
Changes:
- Use the factoryâs normalized
_querySuffixwhen building the default SRV query name. - Add regression coverage for query-suffix normalization (
".ns"vs"ns"). - Add coverage ensuring
ServiceDomainNameCallbacktakes precedence overQuerySuffix.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| src/Libraries/Microsoft.Extensions.ServiceDiscovery.Dns/DnsSrvServiceEndpointProviderFactory.cs | Passes the normalized _querySuffix into default SRV query construction to avoid ignoring inferred/normalized suffix. |
| test/Libraries/Microsoft.Extensions.ServiceDiscovery.Dns.Tests/DnsSrvServiceEndpointResolverTests.cs | Adds regression tests for suffix normalization and callback precedence when generating SRV query names. |
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
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Fixes #7175
Infer Kubernetes namespace in DnsSrvServiceEndpointProviderFactory.
Add tests for suffix normalization and ServiceDomainNameCallback precedence.
Microsoft Reviewers: Open in CodeFlow