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Switch the tokens controller to use shared informers

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Tokens controller previously needed a bit of extra help in order to be
safe for concurrent use. The new MutationCache allows it to keep a local
cache and still use a shared informer. The filtering event handler lets
it only see changes to secrets it cares about.
This commit is contained in:
Clayton Coleman
2017-05-17 00:01:50 -04:00
parent 5ac3214c42
commit 784e3ae5fa
4 changed files with 87 additions and 75 deletions
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10
cmd/kube-controller-manager/app/controllermanager.go
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@@ -397,14 +397,20 @@ func StartControllers(controllers map[string]InitFunc, s *options.CMServer, root
rootCA = rootClientBuilder.ConfigOrDie("tokens-controller").CAData
}
go serviceaccountcontroller.NewTokensController(
controller := serviceaccountcontroller.NewTokensController(
sharedInformers.Core().V1().ServiceAccounts(),
sharedInformers.Core().V1().Secrets(),
rootClientBuilder.ClientOrDie("tokens-controller"),
serviceaccountcontroller.TokensControllerOptions{
TokenGenerator: serviceaccount.JWTTokenGenerator(privateKey),
RootCA: rootCA,
},
).Run(int(s.ConcurrentSATokenSyncs), stop)
)
time.Sleep(wait.Jitter(s.ControllerStartInterval.Duration, ControllerStartJitter))
go controller.Run(int(s.ConcurrentSATokenSyncs), stop)
// start the first set of informers now so that other controllers can start
sharedInformers.Start(stop)
}
} else {