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Move where the service-resolver watch is done so that it happen… (#7025)

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Before we were issuing 1 watch for every service in the services listing which would have caused the agent to process many more identical events simultaneously.
This commit is contained in:
Matt Keeler 2020-01-10 10:30:13 -05:00 committed by GitHub
parent ab2f2484ad
commit 27f49eede9
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1 changed files with 12 additions and 12 deletions
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24
agent/proxycfg/state.go
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@ -340,6 +340,18 @@ func (s *state) initWatchesMeshGateway() error {
// gateways within those other datacenters. We cannot do that here because we don't
// know what they are yet.
// Watch service-resolvers so we can setup service subset clusters
err = s.cache.Notify(s.ctx, cachetype.ConfigEntriesName, &structs.ConfigEntryQuery{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
Kind: structs.ServiceResolver,
}, serviceResolversWatchID, s.ch)
if err != nil {
s.logger.Printf("[ERR] mesh-gateway: failed to register watch for service-resolver config entries")
return err
}
return err
}
@ -704,18 +716,6 @@ func (s *state) handleUpdateMeshGateway(u cache.UpdateEvent, snap *ConfigSnapsho
cancel()
return err
}
err = s.cache.Notify(ctx, cachetype.ConfigEntriesName, &structs.ConfigEntryQuery{
Datacenter: s.source.Datacenter,
QueryOptions: structs.QueryOptions{Token: s.token},
Kind: structs.ServiceResolver,
}, serviceResolversWatchID, s.ch)
if err != nil {
s.logger.Printf("[ERR] mesh-gateway: failed to register watch for service-resolver config entries")
cancel()
return err
}
snap.MeshGateway.WatchedServices[svcName] = cancel
}
}