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gRPC probes

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This commit is contained in:
Sergey Kanzhelev
2021-11-30 19:37:31 +00:00
parent 48612bee86
commit ef6668539c
4 changed files with 71 additions and 6 deletions
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content/en/docs/reference/command-line-tools-reference/feature-gates.md
+6 -4
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@@ -122,6 +122,7 @@ different Kubernetes components.
| `ExperimentalHostUserNamespaceDefaulting` | `false` | Beta | 1.5 | |
| `GracefulNodeShutdown` | `false` | Alpha | 1.20 | 1.20 |
| `GracefulNodeShutdown` | `true` | Beta | 1.21 | |
| `GRPCContainerProbe` | `false` | Alpha | 1.23 | |
| `HPAContainerMetrics` | `false` | Alpha | 1.20 | |
| `HPAScaleToZero` | `false` | Alpha | 1.16 | |
| `IndexedJob` | `false` | Alpha | 1.21 | 1.21 |
@@ -573,10 +574,10 @@ Each feature gate is designed for enabling/disabling a specific feature:
extended tokens by starting `kube-apiserver` with flag `--service-account-extend-token-expiration=false`.
Check [Bound Service Account Tokens](https://github.com/kubernetes/enhancements/blob/master/keps/sig-auth/1205-bound-service-account-tokens/README.md)
for more details.
- `ControllerManagerLeaderMigration`: Enables Leader Migration for
[kube-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#initial-leader-migration-configuration) and
[cloud-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#deploy-cloud-controller-manager) which allows a cluster operator to live migrate
controllers from the kube-controller-manager into an external controller-manager
- `ControllerManagerLeaderMigration`: Enables Leader Migration for
[kube-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#initial-leader-migration-configuration) and
[cloud-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#deploy-cloud-controller-manager) which allows a cluster operator to live migrate
controllers from the kube-controller-manager into an external controller-manager
(e.g. the cloud-controller-manager) in an HA cluster without downtime.
- `CPUManager`: Enable container level CPU affinity support, see
[CPU Management Policies](/docs/tasks/administer-cluster/cpu-management-policies/).
@@ -782,6 +783,7 @@ Each feature gate is designed for enabling/disabling a specific feature:
and gracefully terminate pods running on the node. See
[Graceful Node Shutdown](/docs/concepts/architecture/nodes/#graceful-node-shutdown)
for more details.
- `GRPCContainerProbe`: Enables gPRC probe method for {Liveness,Readiness,Startup}Probe. See [Configure Liveness, Readiness and Startup Probes](/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/#define-a-grpc-liveness-probe).
- `HPAContainerMetrics`: Enable the `HorizontalPodAutoscaler` to scale based on
metrics from individual containers in target pods.
- `HPAScaleToZero`: Enables setting `minReplicas` to 0 for `HorizontalPodAutoscaler`