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5afd4657ec
* Protobuf Modernization Remove direct usage of golang/protobuf in favor of google.golang.org/protobuf Marshallers (protobuf and json) needed some changes to account for different APIs. Moved to using the google.golang.org/protobuf/types/known/* for the well known types including replacing some custom Struct manipulation with whats available in the structpb well known type package. This also updates our devtools script to install protoc-gen-go from the right location so that files it generates conform to the correct interfaces. * Fix go-mod-tidy make target to work on all modules
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
package xds
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import (
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"fmt"
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"github.com/hashicorp/go-hclog"
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"google.golang.org/protobuf/proto"
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"github.com/hashicorp/consul/agent/proxycfg"
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"github.com/hashicorp/consul/agent/xds/xdscommon"
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)
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// ResourceGenerator is associated with a single gRPC stream and creates xDS
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// resources for a single client.
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type ResourceGenerator struct {
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Logger hclog.Logger
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CfgFetcher ConfigFetcher
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IncrementalXDS bool
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ProxyFeatures supportedProxyFeatures
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}
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func newResourceGenerator(
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logger hclog.Logger,
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cfgFetcher ConfigFetcher,
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incrementalXDS bool,
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) *ResourceGenerator {
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return &ResourceGenerator{
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Logger: logger,
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CfgFetcher: cfgFetcher,
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IncrementalXDS: incrementalXDS,
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}
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}
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func (g *ResourceGenerator) allResourcesFromSnapshot(cfgSnap *proxycfg.ConfigSnapshot) (map[string][]proto.Message, error) {
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all := make(map[string][]proto.Message)
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for _, typeUrl := range []string{xdscommon.ListenerType, xdscommon.RouteType, xdscommon.ClusterType, xdscommon.EndpointType} {
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res, err := g.resourcesFromSnapshot(typeUrl, cfgSnap)
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if err != nil {
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return nil, fmt.Errorf("failed to generate xDS resources for %q: %v", typeUrl, err)
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}
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all[typeUrl] = res
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}
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return all, nil
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}
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func (g *ResourceGenerator) resourcesFromSnapshot(typeUrl string, cfgSnap *proxycfg.ConfigSnapshot) ([]proto.Message, error) {
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switch typeUrl {
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case xdscommon.ListenerType:
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return g.listenersFromSnapshot(cfgSnap)
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case xdscommon.RouteType:
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return g.routesFromSnapshot(cfgSnap)
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case xdscommon.ClusterType:
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return g.clustersFromSnapshot(cfgSnap)
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case xdscommon.EndpointType:
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return g.endpointsFromSnapshot(cfgSnap)
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default:
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return nil, fmt.Errorf("unknown typeUrl: %s", typeUrl)
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}
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}
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