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remove feature gate SupportIPVSProxyMode.

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This commit is contained in:
tangwz
2020-09-04 14:25:41 +08:00
parent ed3be9d7b9
commit a143803066
2 changed files with 3 additions and 23 deletions
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7
pkg/features/kube_features.go
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@@ -194,12 +194,6 @@ const (
// Postpone deletion of a PV or a PVC when they are being used
StorageObjectInUseProtection featuregate.Feature = "StorageObjectInUseProtection"
// owner: @m1093782566
// GA: v1.11
//
// Implement IPVS-based in-cluster service load balancing
SupportIPVSProxyMode featuregate.Feature = "SupportIPVSProxyMode"
// owner: @dims, @derekwaynecarr
// alpha: v1.10
// beta: v1.14
@@ -682,7 +676,6 @@ var defaultKubernetesFeatureGates = map[featuregate.Feature]featuregate.FeatureS
CSINodeInfo: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.19
BlockVolume: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.20
StorageObjectInUseProtection: {Default: true, PreRelease: featuregate.GA},
SupportIPVSProxyMode: {Default: true, PreRelease: featuregate.GA},
SupportPodPidsLimit: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.21
SupportNodePidsLimit: {Default: true, PreRelease: featuregate.GA, LockToDefault: true}, // remove in 1.21
HyperVContainer: {Default: false, PreRelease: featuregate.Alpha},

19
pkg/proxy/ipvs/README.md
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@@ -334,29 +334,20 @@ export KUBE_PROXY_MODE=ipvs
### Cluster Created by Kubeadm
If you are using kubeadm with a [configuration file](https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/#config-file), you have to add `mode: ipvs` and also add `SupportIPVSProxyMode: true` below the `kubeProxy` field as part of the kubeadm configuration.
If you are using kubeadm with a [configuration file](https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/#config-file), you have to add `mode: ipvs` below the `kubeProxy` field as part of the kubeadm configuration.
```yaml
...
kubeProxy:
config:
featureGates:
SupportIPVSProxyMode: true
mode: ipvs
...
```
Note that in Kubernetes 1.11 and later, `SupportIPVSProxyMode` is set to `true` by default.
before running
`kube init --config <path_to_configuration_file>`
If you are using Kubernetes v1.8, you can also add the flag `--feature-gates=SupportIPVSProxyMode=true` (deprecated since v1.9) in `kubeadm init` command
```
kubeadm init --feature-gates=SupportIPVSProxyMode=true
```
to specify the ipvs mode before deploying the cluster.
**Notes**
@@ -412,14 +403,10 @@ UDP 10.0.0.10:53 rr
Use the following check list to help you solve the problems:
**1. Enable IPVS feature gateway**
For Kubernetes v1.10 and later, feature gate `SupportIPVSProxyMode` is set to `true` by default. However, you need to enable `--feature-gates=SupportIPVSProxyMode=true` explicitly for Kubernetes before v1.10.
**2. Specify proxy-mode=ipvs**
**1. Specify proxy-mode=ipvs**
Check whether the kube-proxy mode has been set to `ipvs`.
**3. Install required kernel modules and packages**
**2. Install required kernel modules and packages**
Check whether the IPVS required kernel modules have been compiled into the kernel and packages installed. (see Prerequisite)