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b8b37c2357
Ensure nothing in the troubleshoot go module depends on consul's top level module. This is so we can import troubleshoot into consul-k8s and not import all of consul. * turns troubleshoot into a go module [authored by @curtbushko] * gets the envoy protos into the troubleshoot module [authored by @curtbushko] * adds a new go module `envoyextensions` which has xdscommon and extensioncommon folders that both the xds package and the troubleshoot package can import * adds testing and linting for the new go modules * moves the unit tests in `troubleshoot/validateupstream` that depend on proxycfg/xds into the xds package, with a comment describing why those tests cannot be in the troubleshoot package * fixes all the imports everywhere as a result of these changes Co-authored-by: Curt Bushko <cbushko@gmail.com>
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/consul/envoyextensions/xdscommon"
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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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)
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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 xdscommon.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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