xds: refactor xdsresource.Endpoint to add resolver.Endpoint (gRFC A81) #8750
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Pranjali-2501
added
Type: Feature
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## master #8750 +/- ##
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+ Coverage 83.28% 83.36% +0.07%
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Files 418 418
Lines 32367 32496 +129
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+ Hits 26958 27091 +133
+ Misses 4034 4022 -12
- Partials 1375 1383 +8
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Pranjali-2501
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easwars
reviewed
Dec 8, 2025
easwars
previously approved these changes
Dec 10, 2025
| // setHostname returns a copy of the given endpoint with hostname added | ||
| // as an attribute. | ||
| func setHostname(endpoint resolver.Endpoint, hostname string) resolver.Endpoint { | ||
| // Only set if non-empty; xds_cluster_impl uses this to trigger :authority rewriting. |
Contributor
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Please wrap comment sentences at 80-cols. See: go/go-style/decisions#comment-line-length
Comment on lines
576
to
578
| ResolverEndpoint: resolver.Endpoint{ | ||
| Addresses: []resolver.Address{{Addr: "addr-2-2"}}, | ||
| }, |
Contributor
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Nit: There are still a few more places in this file where the literal struct could be specified in a single line.
easwars
reviewed
Dec 10, 2025
| // Create a copy of endpoint.ResolverEndpoint to avoid race. | ||
| resolverEndpoint := endpoint.ResolverEndpoint | ||
| resolverEndpoint.Addresses = make([]resolver.Address, len(endpoint.ResolverEndpoint.Addresses)) | ||
| copy(resolverEndpoint.Addresses, endpoint.ResolverEndpoint.Addresses) |
Contributor
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Hmm.. actually hold on. Copying a slice of resolver.Address will create a new slice with new resolver.Address instances, but they might still be referring to the same attributes. We need to discuss this a little bit more.
easwars
dismissed
their stale review
We need more discussion on safely copying resolver.Endpoint and resolver.Address structs.
Pranjali-2501
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This PR updates the internal
xdsresource.Endpointstruct to contain aresolver.Endpointinstead of a[]stringto store the list of addresses associated with the endpoint gRFC A81. This change standardizes how backend information is stored and ensures that attributes (such as Hostname) are correctly associated with the endpoint hierarchy.Key Changes:
Struct Update:
xdsresource.Endpointnow includes aResolverEndpointfield (of typeresolver.Endpoint) to store addresses and attributes. Remove the existingAddressfield (of type[]string) and store address as aresolver.Endpointfield.Attribute Handling:
SetHostnameandGetHostnamehelpers to manage hostname metadata withinresolver.Endpoint.Attributes.Parsing Logic:
parseEndpointsinunmarshal_eds.goto correctly populate theresolver.Endpointobject.RELEASE NOTES: N/A