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Help Center/ Cloud Container Engine/ API Reference/ APIs/ Configuration Management/ Changing the Values of Configuration Parameters of a Node Pool

Changing the Values of Configuration Parameters of a Node Pool

Function

This API is used to change the values of parameter configurations of a node pool in the CCE cluster.

Calling Method

For details, see Calling APIs.

URI

PUT /api/v3/projects/{project_id}/clusters/{cluster_id}/nodepools/{nodepool_id}/configuration

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Details:

Project ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

Constraints:

None

Options:

Project IDs of the account

Default value:

N/A

cluster_id

Yes

String

Details:

Cluster ID. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

Constraints:

None

Options:

Cluster IDs

Default value:

N/A

nodepool_id

Yes

String

Details:

Node pool ID. For details about how to obtain the ID, see How to Obtain Parameters in the API URI.

Constraints:

None

Options:

Cluster IDs

Default value:

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

Content-Type

Yes

String

Details:

The request body type or format

Constraints:

The GET method is not verified.

Options:

  • application/json

  • application/json;charset=utf-8

  • application/x-pem-file

  • multipart/form-data (used when the FormData parameter is present)

Default value:

N/A

X-Auth-Token

Yes

String

Details:

Requests for calling an API can be authenticated using either a token or AK/SK. If token-based authentication is used, this parameter is mandatory and must be set to a user token. For details, see Obtaining a User Token.

Constraints:

None

Options:

N/A

Default value:

N/A

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

apiVersion

Yes

String

API version. The value is fixed at v3.

kind

Yes

String

API type. The value is fixed at Configuration.

metadata

Yes

ConfigurationMetadata object

Configuration metadata

spec

Yes

ClusterConfigurationsSpec object

Configuration specifications

Table 4 ConfigurationMetadata

Parameter

Mandatory

Type

Description

name

Yes

String

Configuration name

labels

No

Map<String,String>

A configuration label in a key-value pair.

  • Key: Enter 1 to 63 characters starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain containing a maximum of 253 characters (such as example.com/my-key) can be prefixed to a key.

  • Value: The value can be left blank or contain 1 to 63 characters that start and end with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Example: "foo": "bar"

Table 5 ClusterConfigurationsSpec

Parameter

Mandatory

Type

Description

packages

Yes

Array of packages objects

Component configuration item details

Table 6 packages

Parameter

Mandatory

Type

Description

name

No

String

Component name

configurations

No

Array of ConfigurationItem objects

Component configuration items

Table 7 ConfigurationItem

Parameter

Mandatory

Type

Description

name

No

String

Details:

Configuration overrides of the default components in a cluster.

For details about the supported components and their parameters, see Configuration Management.

Constraints:

If you specify a component or parameter that is not supported, this configuration item will be ignored.

Options:

N/A

Default value:

N/A

value

No

AnyType

Details:

Configuration overrides of the default components in a cluster.

For details about the supported components and their parameters, see Configuration Management.

Constraints:

If you specify a component or parameter that is not supported, this configuration item will be ignored.

Options:

N/A

Default value:

N/A

Response Parameters

Status code: 200

Table 8 Response body parameters

Parameter

Type

Description

apiVersion

String

API version

kind

String

API type. The value is fixed at Configuration.

metadata

ConfigurationMetadata object

Configuration metadata

spec

ClusterConfigurationsSpec object

Configuration specifications

status

Object

Configuration status

Table 9 ConfigurationMetadata

Parameter

Type

Description

name

String

Configuration name

labels

Map<String,String>

A configuration label in a key-value pair.

  • Key: Enter 1 to 63 characters starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain containing a maximum of 253 characters (such as example.com/my-key) can be prefixed to a key.

  • Value: The value can be left blank or contain 1 to 63 characters that start and end with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed.

Example: "foo": "bar"

Table 10 ClusterConfigurationsSpec

Parameter

Type

Description

packages

Array of packages objects

Component configuration item details

Table 11 packages

Parameter

Type

Description

name

String

Component name

configurations

Array of ConfigurationItem objects

Component configuration items

Table 12 ConfigurationItem

Parameter

Type

Description

name

String

Details:

Configuration overrides of the default components in a cluster.

For details about the supported components and their parameters, see Configuration Management.

Constraints:

If you specify a component or parameter that is not supported, this configuration item will be ignored.

Options:

N/A

Default value:

N/A

value

AnyType

Details:

Configuration overrides of the default components in a cluster.

For details about the supported components and their parameters, see Configuration Management.

Constraints:

If you specify a component or parameter that is not supported, this configuration item will be ignored.

Options:

N/A

Default value:

N/A

Example Requests

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

/api/v3/projects/{project_id}/clusters/{cluster_id}/nodepools/{nodepool_id}/configuration

{
  "kind" : "Configuration",
  "apiVersion" : "v3",
  "metadata" : {
    "name" : "configuration"
  },
  "spec" : {
    "packages" : [ {
      "name" : "kubelet",
      "configurations" : [ {
        "name" : "system-reserved-mem",
        "value" : 600
      }, {
        "name" : "kube-reserved-mem",
        "value" : 800
      } ]
    } ]
  }
}

Example Responses

Status code: 200

The parameter configurations of the node pool are updated successfully.

{
  "kind" : "Configuration",
  "apiVersion" : "v3",
  "metadata" : {
    "name" : "configuration",
    "labels" : {
      "nodepool_id" : "61de338d-a1f9-11ed-8891-0255ac100036"
    }
  },
  "spec" : {
    "packages" : [ {
      "name" : "kube-apiserver",
      "configurations" : [ {
        "name" : "event-rate-limit-qps",
        "value" : 200
      }, {
        "name" : "support-overload",
        "value" : false
      } ]
    }, {
      "name" : "kube-scheduler",
      "configurations" : [ {
        "name" : "kube-api-qps",
        "value" : 100
      }, {
        "name" : "default-scheduler",
        "value" : "kube-scheduler"
      } ]
    } ]
  },
  "status" : { }
}

SDK Sample Code

The SDK sample code is as follows.

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.cce.v3.region.CceRegion;
import com.huaweicloud.sdk.cce.v3.*;
import com.huaweicloud.sdk.cce.v3.model.*;

import java.util.List;
import java.util.ArrayList;

public class UpdateNodePoolConfigurationSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        CceClient client = CceClient.newBuilder()
                .withCredential(auth)
                .withRegion(CceRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateNodePoolConfigurationRequest request = new UpdateNodePoolConfigurationRequest();
        request.withClusterId("{cluster_id}");
        request.withNodepoolId("{nodepool_id}");
        UpdateClusterConfigurationsBody body = new UpdateClusterConfigurationsBody();
        List<ConfigurationItem> listPackagesConfigurations = new ArrayList<>();
        listPackagesConfigurations.add(
            new ConfigurationItem()
                .withName("system-reserved-mem")
                .withValue("600")
        );
        listPackagesConfigurations.add(
            new ConfigurationItem()
                .withName("kube-reserved-mem")
                .withValue("800")
        );
        List<ClusterConfigurationsSpecPackages> listSpecPackages = new ArrayList<>();
        listSpecPackages.add(
            new ClusterConfigurationsSpecPackages()
                .withName("kubelet")
                .withConfigurations(listPackagesConfigurations)
        );
        ClusterConfigurationsSpec specbody = new ClusterConfigurationsSpec();
        specbody.withPackages(listSpecPackages);
        ConfigurationMetadata metadatabody = new ConfigurationMetadata();
        metadatabody.withName("configuration");
        body.withSpec(specbody);
        body.withMetadata(metadatabody);
        body.withKind("Configuration");
        body.withApiVersion("v3");
        request.withBody(body);
        try {
            UpdateNodePoolConfigurationResponse response = client.updateNodePoolConfiguration(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcce.v3.region.cce_region import CceRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcce.v3 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = CceClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CceRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UpdateNodePoolConfigurationRequest()
        request.cluster_id = "{cluster_id}"
        request.nodepool_id = "{nodepool_id}"
        listConfigurationsPackages = [
            ConfigurationItem(
                name="system-reserved-mem",
                value="600"
            ),
            ConfigurationItem(
                name="kube-reserved-mem",
                value="800"
            )
        ]
        listPackagesSpec = [
            ClusterConfigurationsSpecPackages(
                name="kubelet",
                configurations=listConfigurationsPackages
            )
        ]
        specbody = ClusterConfigurationsSpec(
            packages=listPackagesSpec
        )
        metadatabody = ConfigurationMetadata(
            name="configuration"
        )
        request.body = UpdateClusterConfigurationsBody(
            spec=specbody,
            metadata=metadatabody,
            kind="Configuration",
            api_version="v3"
        )
        response = client.update_node_pool_configuration(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    cce "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := cce.NewCceClient(
        cce.CceClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.UpdateNodePoolConfigurationRequest{}
	request.ClusterId = "{cluster_id}"
	request.NodepoolId = "{nodepool_id}"
	nameConfigurations:= "system-reserved-mem"
	valueConfigurations:= "600"
	var valueConfigurationsInterface interface{} = valueConfigurations
	nameConfigurations1:= "kube-reserved-mem"
	valueConfigurations1:= "800"
	var valueConfigurationsInterface1 interface{} = valueConfigurations1
	var listConfigurationsPackages = []model.ConfigurationItem{
        {
            Name: &nameConfigurations,
            Value: &valueConfigurationsInterface,
        },
        {
            Name: &nameConfigurations1,
            Value: &valueConfigurationsInterface1,
        },
    }
	namePackages:= "kubelet"
	var listPackagesSpec = []model.ClusterConfigurationsSpecPackages{
        {
            Name: &namePackages,
            Configurations: &listConfigurationsPackages,
        },
    }
	specbody := &model.ClusterConfigurationsSpec{
		Packages: listPackagesSpec,
	}
	metadatabody := &model.ConfigurationMetadata{
		Name: "configuration",
	}
	request.Body = &model.UpdateClusterConfigurationsBody{
		Spec: specbody,
		Metadata: metadatabody,
		Kind: "Configuration",
		ApiVersion: "v3",
	}
	response, err := client.UpdateNodePoolConfiguration(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.cce.v3.region.CceRegion;
import com.huaweicloud.sdk.cce.v3.*;
import com.huaweicloud.sdk.cce.v3.model.*;

import java.util.List;
import java.util.ArrayList;

public class UpdateNodePoolConfigurationSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        CceClient client = CceClient.newBuilder()
                .withCredential(auth)
                .withRegion(CceRegion.valueOf("<YOUR REGION>"))
                .build();
        UpdateNodePoolConfigurationRequest request = new UpdateNodePoolConfigurationRequest();
        request.withClusterId("{cluster_id}");
        request.withNodepoolId("{nodepool_id}");
        UpdateClusterConfigurationsBody body = new UpdateClusterConfigurationsBody();
        List<ConfigurationItem> listPackagesConfigurations = new ArrayList<>();
        listPackagesConfigurations.add(
            new ConfigurationItem()
                .withName("system-reserved-mem")
                .withValue("600")
        );
        listPackagesConfigurations.add(
            new ConfigurationItem()
                .withName("kube-reserved-mem")
                .withValue("800")
        );
        List<ClusterConfigurationsSpecPackages> listSpecPackages = new ArrayList<>();
        listSpecPackages.add(
            new ClusterConfigurationsSpecPackages()
                .withName("kubelet")
                .withConfigurations(listPackagesConfigurations)
        );
        ClusterConfigurationsSpec specbody = new ClusterConfigurationsSpec();
        specbody.withPackages(listSpecPackages);
        ConfigurationMetadata metadatabody = new ConfigurationMetadata();
        metadatabody.withName("configuration");
        body.withSpec(specbody);
        body.withMetadata(metadatabody);
        body.withKind("Configuration");
        body.withApiVersion("v3");
        request.withBody(body);
        try {
            UpdateNodePoolConfigurationResponse response = client.updateNodePoolConfiguration(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcce.v3.region.cce_region import CceRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcce.v3 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = CceClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(CceRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = UpdateNodePoolConfigurationRequest()
        request.cluster_id = "{cluster_id}"
        request.nodepool_id = "{nodepool_id}"
        listConfigurationsPackages = [
            ConfigurationItem(
                name="system-reserved-mem",
                value="600"
            ),
            ConfigurationItem(
                name="kube-reserved-mem",
                value="800"
            )
        ]
        listPackagesSpec = [
            ClusterConfigurationsSpecPackages(
                name="kubelet",
                configurations=listConfigurationsPackages
            )
        ]
        specbody = ClusterConfigurationsSpec(
            packages=listPackagesSpec
        )
        metadatabody = ConfigurationMetadata(
            name="configuration"
        )
        request.body = UpdateClusterConfigurationsBody(
            spec=specbody,
            metadata=metadatabody,
            kind="Configuration",
            api_version="v3"
        )
        response = client.update_node_pool_configuration(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

The following example describes how to update the system-reserved-mem and kube-reserved-mem parameters in kubelet.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    cce "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cce/v3/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := cce.NewCceClient(
        cce.CceClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.UpdateNodePoolConfigurationRequest{}
	request.ClusterId = "{cluster_id}"
	request.NodepoolId = "{nodepool_id}"
	nameConfigurations:= "system-reserved-mem"
	valueConfigurations:= "600"
	var valueConfigurationsInterface interface{} = valueConfigurations
	nameConfigurations1:= "kube-reserved-mem"
	valueConfigurations1:= "800"
	var valueConfigurationsInterface1 interface{} = valueConfigurations1
	var listConfigurationsPackages = []model.ConfigurationItem{
        {
            Name: &nameConfigurations,
            Value: &valueConfigurationsInterface,
        },
        {
            Name: &nameConfigurations1,
            Value: &valueConfigurationsInterface1,
        },
    }
	namePackages:= "kubelet"
	var listPackagesSpec = []model.ClusterConfigurationsSpecPackages{
        {
            Name: &namePackages,
            Configurations: &listConfigurationsPackages,
        },
    }
	specbody := &model.ClusterConfigurationsSpec{
		Packages: listPackagesSpec,
	}
	metadatabody := &model.ConfigurationMetadata{
		Name: "configuration",
	}
	request.Body = &model.UpdateClusterConfigurationsBody{
		Spec: specbody,
		Metadata: metadatabody,
		Kind: "Configuration",
		ApiVersion: "v3",
	}
	response, err := client.UpdateNodePoolConfiguration(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

The parameter configurations of the node pool are updated successfully.

Error Codes

See Error Codes.

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