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Merge pull request #55561 from oracle/for/upstream/master/55560

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Automatic merge from submit-queue (batch tested with PRs 55561, 55519). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Add the concurrent service sync flag to CCM to match the KCM

**What this PR does / why we need it**:

The [KCM](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-controller-manager/app/options/options.go#L140) allows changing the number of workers for the service controller, but the CCM does not currently expose that flag. This PR adds the same flag as the KCM to the CCM.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #55560

**Release note**:

```release-note
Add the concurrent service sync flag to the Cloud Controller Manager to allow changing the number of workers. (`--concurrent-service-syncs`)
```

/cc @wlan0 @luxas @thockin

@prydie
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Kubernetes Submit Queue 2017-11-12 19:46:15 -08:00 committed by GitHub
commit 6f59b31895
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2
cmd/cloud-controller-manager/app/options/options.go
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@ -97,7 +97,7 @@ func (s *CloudControllerManagerServer) AddFlags(fs *pflag.FlagSet) {
fs.Float32Var(&s.KubeAPIQPS, "kube-api-qps", s.KubeAPIQPS, "QPS to use while talking with kubernetes apiserver.")
fs.Int32Var(&s.KubeAPIBurst, "kube-api-burst", s.KubeAPIBurst, "Burst to use while talking with kubernetes apiserver.")
fs.DurationVar(&s.ControllerStartInterval.Duration, "controller-start-interval", s.ControllerStartInterval.Duration, "Interval between starting controller managers.")
fs.Int32Var(&s.ConcurrentServiceSyncs, "concurrent-service-syncs", s.ConcurrentServiceSyncs, "The number of services that are allowed to sync concurrently. Larger number = more responsive service management, but more CPU (and network) load")
leaderelectionconfig.BindFlags(&s.LeaderElection, fs)
utilfeature.DefaultFeatureGate.AddFlag(fs)