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[zh] Sync administer-cluster/kubelet-config-file.md
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windsonsea committed Apr 29, 2024
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Expand Up @@ -87,9 +87,10 @@ In this example, the kubelet is configured with the following settings:

<!--
1. `address`: The kubelet will serve on IP address `192.168.0.8`.
2. `port`: The kubelet will serve on port `20250`.
3. `serializeImagePulls`: Image pulls will be done in parallel.
4. `evictionHard`: The kubelet will evict Pods under one of the following conditions:
1. `port`: The kubelet will serve on port `20250`.
1. `serializeImagePulls`: Image pulls will be done in parallel.
1. `evictionHard`: The kubelet will evict Pods under one of the following conditions:
- When the node's available memory drops below 100MiB.
- When the node's main filesystem's available space is less than 10%.
- When the image filesystem's available space is less than 15%.
Expand Down Expand Up @@ -218,10 +219,9 @@ However, it's important to note that the behavior varies based on the data type
但是，请务必注意，产生的行为会根据配置字段的数据类型而有所不同。

<!--
Different data types in the kubelet configuration structure merge differently.
See the [reference
document](/docs/reference/node/kubelet-config-directory-merging.md) for more
information.
Different data types in the kubelet configuration structure merge differently. See the
[reference document](/docs/reference/node/kubelet-config-directory-merging.md)
for more information.
-->
kubelet 配置结构中不同数据类型的合并方式不同。
有关详细信息，请参阅[参考文档](/zh-cn/docs/reference/node/kubelet-config-directory-merging.md)。
Expand Down Expand Up @@ -249,8 +249,9 @@ On startup, the kubelet merges configuration from:
{{< note >}}
<!--
The config drop-in dir mechanism for the kubelet is similar but different from how the `kubeadm` tool allows you to patch configuration.
The `kubeadm` tool uses a specific [patching strategy](/docs/setup/production-environment/tools/kubeadm/control-plane-flags/#patches) for its configuration,
whereas the only patch strategy for kubelet configuration drop-in files is `replace`. The kubelet determines the order of merges based on sorting the **suffixes** alphanumerically,
The `kubeadm` tool uses a specific [patching strategy](/docs/setup/production-environment/tools/kubeadm/control-plane-flags/#patches)
for its configuration, whereas the only patch strategy for kubelet configuration drop-in files is `replace`.
The kubelet determines the order of merges based on sorting the **suffixes** alphanumerically,
and replaces every field present in a higher priority file.
-->
kubelet 的配置插件目录机制类似，但与 `kubeadm` 工具允许 patch 配置的方式不同。
Expand All @@ -276,152 +277,151 @@ they can follow these steps to inspect the kubelet configuration:
-->
1. 在终端中使用 [`kubectl proxy`](/docs/reference/kubectl/generated/kubectl-commands#proxy) 启动代理服务器。

```bash
kubectl proxy
```
```bash
kubectl proxy
```

<!--
Which gives output like:
-->
其输出如下：
<!--
Which gives output like:
-->
其输出如下：

```bash
Starting to serve on 127.0.0.1:8001

```
```none
Starting to serve on 127.0.0.1:8001
```

<!--
2. Open another terminal window and use `curl` to fetch the kubelet configuration.
Replace `<node-name>` with the actual name of your node:
1. Open another terminal window and use `curl` to fetch the kubelet configuration.
Replace `<node-name>` with the actual name of your node:
-->
2. 打开另一个终端窗口并使用 `curl` 来获取 kubelet 配置。
将 `<node-name>` 替换为节点的实际名称：

```bash
curl -X GET http://127.0.0.1:8001/api/v1/nodes/<node-name>/proxy/configz | jq .
```

```bash
{
"kubeletconfig": {
"enableServer": true,
"staticPodPath": "/var/run/kubernetes/static-pods",
"syncFrequency": "1m0s",
"fileCheckFrequency": "20s",
"httpCheckFrequency": "20s",
"address": "192.168.1.16",
"port": 10250,
"readOnlyPort": 10255,
"tlsCertFile": "/var/lib/kubelet/pki/kubelet.crt",
"tlsPrivateKeyFile": "/var/lib/kubelet/pki/kubelet.key",
"rotateCertificates": true,
"authentication": {
"x509": {
"clientCAFile": "/var/run/kubernetes/client-ca.crt"
},
"webhook": {
"enabled": true,
"cacheTTL": "2m0s"
},
"anonymous": {
"enabled": true
}
},
"authorization": {
"mode": "AlwaysAllow",
"webhook": {
"cacheAuthorizedTTL": "5m0s",
"cacheUnauthorizedTTL": "30s"
}
},
"registryPullQPS": 5,
"registryBurst": 10,
"eventRecordQPS": 50,
"eventBurst": 100,
"enableDebuggingHandlers": true,
"healthzPort": 10248,
"healthzBindAddress": "127.0.0.1",
"oomScoreAdj": -999,
"clusterDomain": "cluster.local",
"clusterDNS": [
"10.0.0.10"
],
"streamingConnectionIdleTimeout": "4h0m0s",
"nodeStatusUpdateFrequency": "10s",
"nodeStatusReportFrequency": "5m0s",
"nodeLeaseDurationSeconds": 40,
"imageMinimumGCAge": "2m0s",
"imageMaximumGCAge": "0s",
"imageGCHighThresholdPercent": 85,
"imageGCLowThresholdPercent": 80,
"volumeStatsAggPeriod": "1m0s",
"cgroupsPerQOS": true,
"cgroupDriver": "systemd",
"cpuManagerPolicy": "none",
"cpuManagerReconcilePeriod": "10s",
"memoryManagerPolicy": "None",
"topologyManagerPolicy": "none",
"topologyManagerScope": "container",
"runtimeRequestTimeout": "2m0s",
"hairpinMode": "promiscuous-bridge",
"maxPods": 110,
"podPidsLimit": -1,
"resolvConf": "/run/systemd/resolve/resolv.conf",
"cpuCFSQuota": true,
"cpuCFSQuotaPeriod": "100ms",
"nodeStatusMaxImages": 50,
"maxOpenFiles": 1000000,
"contentType": "application/vnd.kubernetes.protobuf",
"kubeAPIQPS": 50,
"kubeAPIBurst": 100,
"serializeImagePulls": true,
"evictionHard": {
"imagefs.available": "15%",
"memory.available": "100Mi",
"nodefs.available": "10%",
"nodefs.inodesFree": "5%"
},
"evictionPressureTransitionPeriod": "1m0s",
"enableControllerAttachDetach": true,
"makeIPTablesUtilChains": true,
"iptablesMasqueradeBit": 14,
"iptablesDropBit": 15,
"featureGates": {
"AllAlpha": false
},
"failSwapOn": false,
"memorySwap": {},
"containerLogMaxSize": "10Mi",
"containerLogMaxFiles": 5,
"configMapAndSecretChangeDetectionStrategy": "Watch",
"enforceNodeAllocatable": [
"pods"
],
"volumePluginDir": "/usr/libexec/kubernetes/kubelet-plugins/volume/exec/",
"logging": {
"format": "text",
"flushFrequency": "5s",
"verbosity": 3,
"options": {
"json": {
"infoBufferSize": "0"
}
}
},
"enableSystemLogHandler": true,
"enableSystemLogQuery": false,
"shutdownGracePeriod": "0s",
"shutdownGracePeriodCriticalPods": "0s",
"enableProfilingHandler": true,
"enableDebugFlagsHandler": true,
"seccompDefault": false,
"memoryThrottlingFactor": 0.9,
"registerNode": true,
"localStorageCapacityIsolation": true,
"containerRuntimeEndpoint": "unix:///var/run/crio/crio.sock"
}
}
```
```bash
curl -X GET http://127.0.0.1:8001/api/v1/nodes/<node-name>/proxy/configz | jq .
```

```json
{
"kubeletconfig": {
"enableServer": true,
"staticPodPath": "/var/run/kubernetes/static-pods",
"syncFrequency": "1m0s",
"fileCheckFrequency": "20s",
"httpCheckFrequency": "20s",
"address": "192.168.1.16",
"port": 10250,
"readOnlyPort": 10255,
"tlsCertFile": "/var/lib/kubelet/pki/kubelet.crt",
"tlsPrivateKeyFile": "/var/lib/kubelet/pki/kubelet.key",
"rotateCertificates": true,
"authentication": {
"x509": {
"clientCAFile": "/var/run/kubernetes/client-ca.crt"
},
"webhook": {
"enabled": true,
"cacheTTL": "2m0s"
},
"anonymous": {
"enabled": true
}
},
"authorization": {
"mode": "AlwaysAllow",
"webhook": {
"cacheAuthorizedTTL": "5m0s",
"cacheUnauthorizedTTL": "30s"
}
},
"registryPullQPS": 5,
"registryBurst": 10,
"eventRecordQPS": 50,
"eventBurst": 100,
"enableDebuggingHandlers": true,
"healthzPort": 10248,
"healthzBindAddress": "127.0.0.1",
"oomScoreAdj": -999,
"clusterDomain": "cluster.local",
"clusterDNS": [
"10.0.0.10"
],
"streamingConnectionIdleTimeout": "4h0m0s",
"nodeStatusUpdateFrequency": "10s",
"nodeStatusReportFrequency": "5m0s",
"nodeLeaseDurationSeconds": 40,
"imageMinimumGCAge": "2m0s",
"imageMaximumGCAge": "0s",
"imageGCHighThresholdPercent": 85,
"imageGCLowThresholdPercent": 80,
"volumeStatsAggPeriod": "1m0s",
"cgroupsPerQOS": true,
"cgroupDriver": "systemd",
"cpuManagerPolicy": "none",
"cpuManagerReconcilePeriod": "10s",
"memoryManagerPolicy": "None",
"topologyManagerPolicy": "none",
"topologyManagerScope": "container",
"runtimeRequestTimeout": "2m0s",
"hairpinMode": "promiscuous-bridge",
"maxPods": 110,
"podPidsLimit": -1,
"resolvConf": "/run/systemd/resolve/resolv.conf",
"cpuCFSQuota": true,
"cpuCFSQuotaPeriod": "100ms",
"nodeStatusMaxImages": 50,
"maxOpenFiles": 1000000,
"contentType": "application/vnd.kubernetes.protobuf",
"kubeAPIQPS": 50,
"kubeAPIBurst": 100,
"serializeImagePulls": true,
"evictionHard": {
"imagefs.available": "15%",
"memory.available": "100Mi",
"nodefs.available": "10%",
"nodefs.inodesFree": "5%"
},
"evictionPressureTransitionPeriod": "1m0s",
"enableControllerAttachDetach": true,
"makeIPTablesUtilChains": true,
"iptablesMasqueradeBit": 14,
"iptablesDropBit": 15,
"featureGates": {
"AllAlpha": false
},
"failSwapOn": false,
"memorySwap": {},
"containerLogMaxSize": "10Mi",
"containerLogMaxFiles": 5,
"configMapAndSecretChangeDetectionStrategy": "Watch",
"enforceNodeAllocatable": [
"pods"
],
"volumePluginDir": "/usr/libexec/kubernetes/kubelet-plugins/volume/exec/",
"logging": {
"format": "text",
"flushFrequency": "5s",
"verbosity": 3,
"options": {
"json": {
"infoBufferSize": "0"
}
}
},
"enableSystemLogHandler": true,
"enableSystemLogQuery": false,
"shutdownGracePeriod": "0s",
"shutdownGracePeriodCriticalPods": "0s",
"enableProfilingHandler": true,
"enableDebugFlagsHandler": true,
"seccompDefault": false,
"memoryThrottlingFactor": 0.9,
"registerNode": true,
"localStorageCapacityIsolation": true,
"containerRuntimeEndpoint": "unix:///var/run/crio/crio.sock"
}
}
```

<!-- discussion -->

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