Help Center/ Cloud Container Engine/ API Reference/ APIs/ Cluster Management/ Reading a Specified Cluster
Updated on 2024-11-25 GMT+08:00
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Reading a Specified Cluster

Function

This API is used to obtain details about a specified cluster.

The URL for cluster management is in the format of https://Endpoint/uri. In the URL, uri indicates the resource path, that is, the path for API access.

Calling Method

For details, see Calling APIs.

URI

GET /api/v3/projects/{project_id}/clusters/{cluster_id}

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
Table 2 Query Parameters

Parameter

Mandatory

Type

Description

detail

No

String

Details:

Whether the details of a cluster are obtained.

Constraints:

N/A

Options:

If this parameter is set to true, the total number of nodes (totalNodesNumber), number of functional nodes (activeNodesNumber), total CPUs (totalNodesCPU), total memory size (totalNodesMemory), and installed add-ons (installedAddonInstances) will be added to the annotation. The details of installed add-ons include the add-on name (addonTemplateName), version (version), and status (status).

Default value:

None

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

Content-Type

Yes

String

Details:

Request body type or format

Constraints:

The GET method is not verified.

Options:

  • application/json

  • application/json;charset=utf-8

  • application/x-pem-file

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

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

kind

String

Details:

API type

Constraints:

The value cannot be changed.

Options:

  • Cluster

  • cluster

Default value:

N/A

apiVersion

String

Details:

API version

Constraints:

The value cannot be changed.

Options:

  • v3

Default value:

N/A

metadata

ClusterMetadata object

Details:

Basic information about a cluster. Metadata is a collection of attributes.

Constraints:

N/A

spec

ClusterSpec object

Detailed description of the cluster. CCE creates or updates objects by defining or updating spec.

status

ClusterStatus object

Details:

Status of a cluster

Constraints:

N/A
Table 5 ClusterMetadata

Parameter

Type

Description

name

String

Details:

Cluster name

Constraints:

None

Options:

Enter 4 to 128 characters starting with a lowercase letter and not ending with a hyphen (-). Only lowercase letters, digits, and hyphens (-) are allowed.

Default value:

N/A

uid

String

Details:

Cluster ID, which identifies a cluster

Constraints:

The value is automatically generated after the object is created. A user-defined value will not take effect. When you create a yearly/monthly cluster, no cluster ID will be returned in the response body.

Options:

N/A

Default value:

N/A

alias

String

Details:

Alias of a cluster name displayed on the CCE console. The name can be changed. A cluster alias must be unique.

Constraints:

In the request body for creating or updating a cluster, if the cluster alias is not specified or set to null, the cluster name will be used as the cluster alias. In the response body for creating a cluster or other response bodies, if the cluster alias is not configured, no value will be returned.

Options:

Enter 4 to 128 characters starting with a letter and not starting or ending with a hyphen (-). Only digits, letters, and hyphens (-) are allowed.

Default value:

N/A

annotations

Map<String,String>

Details:

Cluster annotations, in the format of key-value pairs

"annotations": {
   "key1" : "value1",
   "key2" : "value2"
}

Constraints:

This field is not stored in the database and is used only to specify the add-ons to be installed in the cluster.

Options:

N/A

Default value:

N/A

NOTE:

  • annotations are not used to identify or select objects. The metadata in annotations may be small or large, structured or unstructured, and may include characters that are not allowed in labels.

  • You can install ICAgent during cluster creation by adding the key-value pair "cluster.install.addons.external/install":"[{"addonTemplateName":"icagent"}]".

labels

Map<String,String>

Details:

Cluster labels, in the format of key-value pairs

Constraints:

The value of this field is automatically generated by the system and is used by the frontend to identify the features supported by the cluster during the upgrade. Custom values are invalid.

Options:

N/A

Default value:

N/A

creationTimestamp

String

Details:

Time when a cluster was created

Constraints:

None

Options:

N/A

Default value:

N/A

updateTimestamp

String

Details:

Time when a cluster was updated

Constraints:

None

Options:

N/A

Default value:

N/A

timezone

String

Details:

Cluster time zone

Constraints:

None

Options:

N/A

Default value:

N/A
Table 6 ClusterSpec

Parameter

Type

Description

category

String

Details:

Cluster type

Constraints:

None

Options:

  • CCE: CCE cluster.

    CCE clusters support hybrid deployment of VMs and BMSs, and heterogeneous nodes such as GPU and NPU nodes, allowing you to run your containers in a secure, stable container runtime environment based on a high-performance network model.

  • Turbo: CCE Turbo cluster.

    CCE Turbo clusters run on the cloud native 2.0 infrastructure that features hardware and software synergy to support passthrough networking, high security and reliability, and intelligent scheduling.

Default value:

CCE when the container network is not set to eni

Turbo when the container network is set to eni

type

String

Details:

Master node architecture

Constraints:

None

Options:

  • VirtualMachine: The master node is an x86 server.

  • ARM64: The master node is an Arm-based Kunpeng server.

Default value:

VirtualMachine

flavor

String

Details:

Cluster specifications. Specifications of clusters v1.15 and later versions can be changed after they are created. For details, see Changing Cluster Scale. Configure this parameter based on actual service requirements.

Constraints:

None

Options:

  • cce.s1.small: a small-scale CCE cluster with one master node and a maximum of 50 worker nodes

  • cce.s1.medium: a medium-scale CCE cluster with one master node and a maximum of 200 worker nodes

  • cce.s2.small: a small-scale CCE cluster with three master nodes and a maximum of 50 worker nodes

  • cce.s2.medium: a medium-scale CCE cluster with three master nodes and a maximum of 200 worker nodes

  • cce.s2.large: a large-scale CCE cluster with three master nodes and a maximum of 1000 worker nodes

  • cce.s2.xlarge: an ultra-large-scale CCE cluster with three master nodes and a maximum of 2000 worker nodes

Default value:

N/A

NOTE:

The fields in the parameters are described as follows:

  • s1: specifies a cluster with one master node. If the master node is faulty, the cluster will become unavailable, but running workloads in the cluster are not affected.

  • s2: specifies an HA cluster with three master nodes. If one of the master nodes is faulty, the cluster is still available.

  • dec: specifies a DeC CCE cluster. For example, cce.dec.s1.small specifies a small-scale, DeC CCE cluster with one master node and a maximum of 50 worker nodes.

  • small: specifies that a cluster can manage a maximum of 50 worker nodes.

  • medium: specifies that a cluster can manage a maximum of 200 worker nodes.

  • large: specifies that a cluster can manage a maximum of 1000 worker nodes.

  • xlarge: specifies that a cluster can manage a maximum of 2000 worker nodes.

version

String

Details:

Version of a cluster, which mirrors the baseline version of the Kubernetes community. The latest version is recommended.

You can create clusters of three latest versions on the CCE console. To learn which cluster versions are available, log in to the CCE console, create a cluster, and check the Cluster Version parameter.

You can call APIs to create clusters of other versions. However, these cluster versions will be gradually terminated. For details about the support policy, see the CCE announcement.

Constraints:

None

Options:

N/A

Default value:

  • If this parameter is left blank, a cluster of the latest version is created by default.

  • If a baseline cluster version is specified but the R version is not specified, a cluster of the latest R version will be created by default. It is a good practice not to specify the R version.

NOTE:

  • CCE Turbo clusters of v1.19 or later are commercially available.

platformVersion

String

Details:

CCE cluster platform version, which is an internal version under the cluster version (version). Platform versions are used to trace iterations in a major cluster version. They are unique within a major cluster version and recounted when the major cluster version changes.

Constraints:

This parameter cannot be customized, and when you create a cluster, the latest corresponding platform version is selected automatically.

Options:

The format of platformVersion is cce.X.Y.

  • X: internal feature version, which indicates changes in features, patches, or OS support in the cluster version. The value starts from 1 and increases monotonically.

  • Y: patch version of an internal feature version. It is used only for software package update after the feature version is released. No other modification is involved. The value starts from 0 and increases monotonically.

Default value:

N/A

legacyVersion

String

Details:

(Discarded) Outdated version of CCE clusters, which serves no practical purpose and is only used to showcase the cluster version and platform version combination. The version number is globally unique. For example, if the cluster version is va.b and the platformVersion is cce.X.Y, the value of legacyVersion is va.b.X-rY.

Constraints:

None

Options:

N/A

Default value:

N/A

description

String

Details:

Cluster description, for example, which purpose the cluster is intended to serve. By default, this field is left blank. To modify cluster description after a cluster is created, call the API for updating a specified cluster or go to the cluster details page on the CCE console.

Constraints:

Only UTF-8 encoding is supported.

Options:

N/A

Default value:

N/A

customSan

Array of strings

Details:

Custom Subject Alternative Name (SAN) in the server certificate of a cluster API server, which must comply with the SSL and X509 standard formats

Constraints:

Duplicate names are not allowed.

Options:

Values in the IP address or domain name format

Default value:

N/A

Example:

SAN 1: DNS Name=example.com
SAN 2: DNS Name=www.example.com
SAN 3: DNS Name=example.net
SAN 4: IP Address=93.184.216.34

ipv6enable

Boolean

Details:

Whether a cluster supports IPv6 addresses. It is supported by clusters v1.15 and later.

Constraints:

After IPv6 is enabled, iptables is not supported. The VPC network model does not support IPv4/IPv6 dual-stack.

Options:

  • true: IPv4/IPv6 dual-stack is enabled.

  • false: Only IPv4 is used.

Default value:

false

hostNetwork

HostNetwork object

Details:

Node network parameters, including VPC and subnet ID. This field is mandatory because nodes in a cluster communicate with each other using a VPC.

Constraints:

None

containerNetwork

ContainerNetwork object

Details:

Container network parameters, including the container network model and container CIDR block

Constraints:

None

eniNetwork

EniNetwork object

Details:

Configuration of the Cloud Native 2.0 network model. You need to specify this field when creating a CCE Turbo cluster.

Constraints:

None

serviceNetwork

ServiceNetwork object

Details:

Service CIDR block, including IPv4 CIDR block

Constraints:

None

publicAccess

PublicAccess object

Details:

Cluster API access control

Constraints:

None

authentication

Authentication object

Details:

Configurations of the cluster authentication mode

Constraints:

None

billingMode

Integer

Details:

Cluster billing mode

Constraints:

None

Options:

  • 0: pay-per-use

  • 1: yearly/monthly

Default value:

0

masters

Array of MasterSpec objects

Details:

Advanced configurations of master nodes

Constraints:

If this parameter is not specified, no value is returned.

kubernetesSvcIpRange

String

Details:

Service CIDR blocks which kubernetes clusterIP must fall within. This field is available only for clusters of v1.11.7 and later. If this parameter is not specified during cluster creation, the default value 10.247.0.0/16 is used. This parameter is being discarded, so you can use serviceNetwork instead. The new field contains the IPv4 CIDR blocks.

Constraints:

None

Options:

N/A

Default value:

N/A

clusterTags

Array of ResourceTag objects

Details:

Cluster resource tags

Constraints:

None

kubeProxyMode

String

Details:

Service forwarding mode

Constraints:

None

Options:

  • iptables: traditional kube-proxy mode, which uses iptables rules to implement Service load balancing. In this mode, too many iptables rules will be generated when many Services are deployed. Additionally, non-incremental updates will cause latency and obvious performance issues in the case of heavy service traffic.

  • ipvs: optimized kube-proxy mode with higher throughput and faster speed. This mode supports incremental updates and can keep connections uninterrupted during Service updates. It is suitable for large-sized clusters.

Default value:

iptables is used by default.

az

String

Details:

AZ. This field is returned only for a query.

For details about AZs supported by CCE, see Regions and Endpoints.

Constraints:

None

extendParam

ClusterExtendParam object

Details:

Extended field to decide whether a cluster will span across AZs or belong to a specified enterprise project, or whether a dedicated CCE cluster is to be created

Constraints:

None

supportIstio

Boolean

Details:

Whether Istio is supported

Constraints:

None

Options:

  • true: Istio is supported.

  • false: Istio is not supported.

Default value:

true

enableDistMgt

Boolean

Details:

Whether to enable support for remote clouds

Constraints:

Only CCE Turbo clusters support this function.

Options:

  • true: Support for remote clouds is enabled.

  • false: Support for remote clouds is not enabled.

Default value:

false

deletionProtection

Boolean

Details:

Cluster deletion protection, which prevents the deletion of a cluster when this function is enabled

Constraints:

N/A

Options:

  • true: Cluster deletion protection is enabled.

  • false: Cluster deletion protection is disabled.

Default value:

false

configurationsOverride

Array of PackageConfiguration objects

Details:

Cluster default component configuration override.

For details about the supported components and their parameters, see Modifying Cluster Configurations.

Constraints:

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

clusterOps

ClusterOps object

Details:

Cluster O&M settings

Constraints:

None

enableAutopilot

Boolean

Details:

Whether the cluster is an Autopilot cluster

Constraints:

None

Options:

  • true: Create an Autopilot cluster.

  • false: Create a CCE standard or a Turbo cluster.

Default value:

false
Table 7 HostNetwork

Parameter

Type

Description

vpc

String

Details:

ID of the VPC used to create a master node

Constraints:

None

Options:

N/A

Default value:

N/A

You can obtain the value in either of the following ways:

  • Method 1: Log in to the VPC console and view the VPC ID on the VPC details page.

  • Method 2: Use the VPC API.

    For details, see Querying VPCs.

subnet

String

Details:

Network ID of the subnet used to create a master node

Constraints:

None

Options:

N/A

Default value:

N/A

You can obtain the value in either of the following ways:

  • Method 1: Log in to the VPC console, click the target subnet on the Subnets page, and view the network ID on the displayed page.

  • Method 2: Use the VPC API.

    For details, see Querying Subnets.

SecurityGroup

String

Details:

ID of the default node security group in a cluster

Constraints:

None

Options:

N/A

Default value:

  • If this parameter is not specified, the system automatically creates a default node security group.

  • If this parameter is specified, the cluster will be bound to the specified security group.

NOTE:

To ensure proper communication, allow traffic from certain ports to the specified node security group. For details, see How Can I Configure a Security Group Rule in a Cluster?

controlPlaneSecurityGroup

String

Details:

ID of the master node security group in a cluster

Constraints:

The value is automatically generated after the object is created. A user-defined value will not take effect.

Options:

N/A

Default value:

N/A
Table 8 ContainerNetwork

Parameter

Type

Description

mode

String

Details:

Container network type

Constraints:

Only one container network type can be selected.

Options:

  • overlay_l2: an overlay_l2 network (container tunnel network) built for containers by using OpenVSwitch (OVS).

  • vpc-router: an underlay_l2 network built for containers by using IPvlan and custom VPC routes.

  • eni*: a Cloud Native 2.0 network. This model has integrated cloud native elastic network interfaces (ENIs), uses VPC CIDR blocks to allocate container IP addresses, and supports passthrough networking. You can use this model when creating a CCE Turbo cluster.

Default value:

N/A

cidr

String

Details:

Container CIDR block. 10.0.0.0/12-19, 172.16.0.0/16-19, or 192.168.0.0/16-19 is recommended. If the selected CIDR block conflicts with existing ones, an error will be reported.

Constraints:

This parameter cannot be modified after the cluster is created. (It has been discarded. If cidrs has been configured, the specified CIDR blocks will be ignored.)

Once you have created a cluster that uses a VPC network, you can add new CIDR blocks, but you are unable to modify the existing ones. If you need to adjust the CIDR blocks, you will have to create a new cluster.

Options:

Values in IPv4 CIDR format

Default value:

If this parameter is left blank, a unique CIDR block is randomly allocated from 172.(16–31).0.0/16 and 10.(0 | 16 | 32 | 48 | 64 | 80 | 96 | 112).0.0/12.

cidrs

Array of ContainerCIDR objects

Details:

List of container CIDR blocks. In clusters of v1.21 or later, the cidrs field is used. When the cluster network type is vpc-router, you can configure a maximum of 20 container CIDR blocks. In clusters of versions earlier than v1.21, if the cidrs field is used, the first CIDR element in the array is used as the container CIDR block.

Constraints:

Once you have created a cluster that uses a container tunnel network, you cannot modify the CIDR blocks.

Once you have created a cluster that uses a VPC network, you can add new CIDR blocks, but you are unable to modify the existing ones. If you need to adjust the CIDR blocks, you will have to create a new cluster.
Table 9 ContainerCIDR

Parameter

Type

Description

cidr

String

Details:

Container CIDR block. 10.0.0.0/12-19, 172.16.0.0/16-19, or 192.168.0.0/16-19 is recommended.

Constraints:

If a CIDR block conflict occurs, an error will be reported.

Options:

N/A

Default value:

N/A
Table 10 EniNetwork

Parameter

Type

Description

eniSubnetId

String

Details:

IPv4 subnet ID list of the subnet where an ENI resides

Constraints:

IPv6 is not supported. This parameter is being discarded, and the new field subnets is recommended.

Options:

N/A

Default value:

N/A

You can obtain the value in either of the following ways:

  • Method 1: Log in to the VPC console, click the target subnet on the Subnets page, and view the IPv4 subnet ID on the displayed page.

  • Method 2: Use the VPC API.

    For details, see Querying Subnets.

eniSubnetCIDR

String

Details:

ENI subnet CIDR block

Constraints:

This parameter is being discarded. The new field subnets is recommended.

Options:

N/A

Default value:

N/A

subnets

Array of NetworkSubnet objects

Details:

List of IPv4 subnet IDs

Constraints:

None
Table 11 NetworkSubnet

Parameter

Type

Description

subnetID

String

Details:

IPv4 subnet ID of the subnet used to create a master node

Constraints:

IPv6 is not supported.

Options:

N/A

Default value:

N/A

You can obtain the value in either of the following ways:

  • Method 1: Log in to the VPC console, click the target subnet on the Subnets page, and view the IPv4 subnet ID on the displayed page.

  • Method 2: Use the VPC API.

    For details, see Querying Subnets.
Table 12 ServiceNetwork

Parameter

Type

Description

IPv4CIDR

String

Details:

Value range of the Kubernetes clusterIP IPv4 CIDR block

Constraints:

None

Options:

N/A

Default value:

10.247.0.0/16

IPv6CIDR

String

Details:

Value range of the Kubernetes clusterIP IPv6 CIDR block

Constraints:

IPv6 Service CIDR blocks can be configured only for CCE Turbo clusters with IPv6 dual stack enabled.

Options:

N/A

Default value:

Default value for a CCE Turbo cluster: fc00::/112

Default value for a CCE standard cluster: fd00:1234::/120
Table 13 PublicAccess

Parameter

Type

Description

cidrs

Array of strings

Details:

Trustlist of network CIDRs that are allowed to access cluster APIs. You are advised to allow the traffic from VPC and container network CIDRs.

Constraints:

This parameter is valid only when a cluster is created.

Options:

N/A

Default value:

By default, no trustlist is configured, and the value is 0.0.0.0/0.
Table 14 Authentication

Parameter

Type

Description

mode

String

Details:

Cluster authentication mode

Constraints:

None

Options:

  • Clusters of Kubernetes 1.11 or earlier support x509, rbac, and authenticating_proxy. The parameter defaults to x509.

  • Clusters of Kubernetes 1.13 or later support rbac and authenticating_proxy. The parameter defaults to rbac.

Default value:

  • Clusters of Kubernetes 1.11 or earlier: x509

  • Clusters of Kubernetes 1.13 or later: rbac

authenticatingProxy

AuthenticatingProxy object

Details:

Configuration related to the authenticating_proxy mode

Constraints:

This field is mandatory when the authentication mode is authenticating_proxy.
Table 15 AuthenticatingProxy

Parameter

Type

Description

ca

String

Details:

X509 CA certificate (Base64-encoded) configured in authenticating_proxy mode

Constraints:

This field is mandatory when the cluster authentication mode is authenticating_proxy.

Options:

Maximum size: 1 MB

Default value:

N/A

cert

String

Details:

Client certificate issued by the X509 CA certificate configured in authenticating_proxy mode, which is used for authentication from kube-apiserver to the extended API server. (The value must be Base64-encoded.)

Constraints:

This field is mandatory when the cluster authentication mode is authenticating_proxy.

Options:

Maximum size: 1 MB

Default value:

N/A

privateKey

String

Details:

Private key of the client certificate issued by the X509 CA certificate configured in authenticating_proxy mode, which is used for authentication from kube-apiserver to the extended API server. The private key used by the Kubernetes cluster does not support password encryption. Use an unencrypted private key. (The value must be Base64-encoded.)

Constraints:

This field is mandatory when the cluster authentication mode is authenticating_proxy.

Options:

Maximum size: 1 MB

Default value:

N/A
Table 16 MasterSpec

Parameter

Type

Description

availabilityZone

String

Details:

AZ

Constraints:

None

Options:

N/A

Default value:

N/A
Table 17 ResourceTag

Parameter

Type

Description

key

String

Details:

Key

Constraints:

None

Options:

  • The value cannot be empty and cannot start or end with spaces. A maximum of 128 characters are supported.

  • Letters, digits, and spaces in UTF-8 format are supported.

  • The value can contain the following special characters: _.:=+-@

  • The value cannot start with _sys_.

Default value:

N/A

value

String

Details:

Value

Constraints:

None

Options:

  • The value can be null but not the default. Max characters: 255

  • Letters, digits, and spaces in UTF-8 format are supported.

  • The value can contain the following special characters: _.:/=+-@

Default value:

N/A
Table 18 ClusterExtendParam

Parameter

Type

Description

clusterAZ

String

Details:

AZs of master nodes in a cluster

For details about AZs supported by CCE, see Regions and Endpoints.

Constraints:

None

Options:

  • AZs supported by a specified region

  • multi_az: (Optional) multiple AZs, which can be configured only when a cluster with multiple master nodes is used

  • AZs of the dedicated cloud computing pool: Master nodes will be deployed in the DeC AZs. It is mandatory for dedicated CCE clusters.

Default value:

If no AZ is specified, an AZ is randomly allocated by default.

dssMasterVolumes

String

Details:

Whether the system and data disks of a master node use dedicated distributed storage. If this parameter is omitted or left unspecified, EVS disks are used by default.

Constraints:

This parameter is mandatory for dedicated CCE clusters. It is in the following format:

<rootVol.dssPoolID>.<rootVol.volType>;<dataVol.dssPoolID>.<dataVol.volType>

Specifically:

  • rootVol specifies the system disk. dataVol specifies the data disk.

  • dssPoolID specifies the ID of the DSS storage pool.

  • volType specifies the storage volume type of the DSS storage pool, such as SAS, SSD, SATA, ESSD, GPSDD, ESSD2, and GPSSD2.

    Options:

    N/A

    Default value:

    N/A

Example: c950ee97-587c-4f24-8a74-3367e3da570f.sas;6edbc2f4-1507-44f8-ac0d-eed1d2608d38.ssd

NOTE:

This field cannot be configured for non-dedicated CCE clusters.

enterpriseProjectId

String

Details:

ID of the enterprise project that a cluster belongs to

Constraints:

An enterprise project can be configured only after the enterprise project function is enabled.

Options:

N/A

Default value:

N/A

kubeProxyMode

String

Details:

Service forwarding mode

Constraints:

This parameter has been discarded. If both this parameter and kubeProxyMode in ClusterSpec are specified, the latter is used.

Options:

  • iptables: traditional kube-proxy mode, which uses iptables rules to implement Service load balancing. In this mode, too many iptables rules will be generated when many Services are deployed. Additionally, non-incremental updates will cause latency and obvious performance issues in the case of heavy service traffic.

  • ipvs: optimized kube-proxy mode with higher throughput and faster speed. This mode supports incremental updates and can keep connections uninterrupted during Service updates. It is suitable for large-sized clusters.

Default value:

iptables

clusterExternalIP

String

Details:

EIP of the master node

Constraints:

None

Options:

N/A

Default value:

N/A

alpha.cce/fixPoolMask

String

Details:

Number of mask bits of the fixed IP address pool of the container networks. This parameter determines the maximum number of IP addresses that can be assigned to containers on a node. This, along with the maxPods setting during node creation, determines the maximum number of pods that can be created on a node.

For details, see Maximum Number of Pods That Can Be Created on a Node.

Constraints:

Only the vpc-router networks support this function.

Options:

Integers from 24 to 28

Default value:

24

decMasterFlavor

String

Details:

Master node flavor in a dedicated CCE cluster

Constraints:

None

Options:

N/A

Default value:

N/A

dockerUmaskMode

String

Details:

Default UmaskMode configuration of Docker in a cluster

Constraints:

None

Options:

  • secure

  • normal

Default value:

normal

kubernetes.io/cpuManagerPolicy

String

Details:

Cluster CPU management policy

Constraints:

None

Options:

  • none or null: disables pods from exclusively occupying CPUs. Select this option if you want a large pool of shareable CPU cores.

  • static: enables pods to exclusively occupy CPUs. Select this option if your workload is sensitive to CPU cache and scheduling latency. In a CCE Turbo cluster, this setting is valid only for nodes where common containers, not secure containers, run.

Default value:

none

orderID

String

Details:

Order ID

Constraints:

This parameter is returned in the response when the cluster is billed on a yearly/monthly basis with auto payment enabled (only in creation scenarios).

Options:

N/A

Default value:

N/A

periodType

String

Details:

The subscription term unit

Constraints:

As a request parameter, it is valid and mandatory when billingMode is set to 1, which is, the yearly/monthly billing mode is configured.

As a response parameter, it is returned only when a yearly/monthly cluster is created.

Options:

  • month

  • year

Default value:

N/A

periodNum

Integer

Details:

Number of subscription periods

Constraints:

As a request parameter, it is valid and mandatory when billingMode is set to 1.

As a response parameter, it is returned only when a yearly/monthly cluster is created.

Options:

  • If periodType is month, the value ranges from 1 to 9.

  • If periodType is year, the value ranges from 1 to 3.

Default value:

N/A

isAutoRenew

String

Details:

Whether to enable auto renewal

Constraints:

This field is valid only when billingMode is set to 1.

Options:

  • true: Auto renewal is enabled.

  • false: Auto renewal is not enabled.

Default value:

false

isAutoPay

String

Details:

Whether to enable auto payment

Constraints:

This field is valid only when billingMode is set to 1.

Options:

  • true: Auto payment is enabled.

  • false: Auto payment is not enabled.

Default value:

false

upgradefrom

String

Details:

Records of how a cluster is upgraded to its current version

Constraints:

None

Options:

N/A

Default value:

N/A
Table 19 PackageConfiguration

Parameter

Type

Description

name

String

Details:

Component name

Constraints:

None

Options:

N/A

Default value:

N/A

configurations

Array of ConfigurationItem objects

Details:

Component configuration items

Constraints:

None
Table 20 ConfigurationItem

Parameter

Type

Description

name

String

Details:

Component configuration item name

Constraints:

None

Options:

N/A

Default value:

N/A

value

Object

Details:

Component configuration item value

Constraints:

None

Options:

N/A

Default value:

N/A
Table 21 ClusterOps

Parameter

Type

Description

alarm

AlarmInfo object

Details:

Alarm assistant settings. CCE is integrated with AOM, which enables alarm functionality, allowing for easy search and configuration of alarms. The Cloud Native Cluster Monitoring add-on sends metric rule data in CCE alarm center to AOM instances.

Constraints:

None
Table 22 AlarmInfo

Parameter

Type

Description

topics

Array of strings

Details:

Contact group list. You can enter SMN topic names and configure contact groups to manage endpoints that have subscribed to alarm messages.

Constraints:

None

alarmRuleTemplateId

String

Details:

Alarm rule template ID transferred when the alarm assistant is enabled. By default, the alarm rule template in the container scenario is used.

Constraints:

None

Options:

N/A

Default value:

N/A

promInstanceID

String

Details:

ID of the AOM Prometheus instance transferred when the alarm assistant is enabled. If the Prometheus add-on is not installed or the AOM instance is not connected, there is no need to specify this parameter. In this case, the alarm center will not generate metric alarm rules.

Constraints:

None

Options:

N/A

Default value:

N/A

promEnterpriseProjectID

String

Details:

Enterprise project ID of the AOM Prometheus instance transferred when the alarm assistant is enabled. If the Prometheus add-on is not installed or the AOM instance is not connected, there is no need to specify this parameter. In this case, the alarm center will not generate metric alarm rules.

Constraints:

None

Options:

N/A

Default value:

N/A
Table 23 ClusterStatus

Parameter

Type

Description

phase

String

Details:

Cluster status

Constraints:

None

Options:

  • Available: The cluster is running properly.

  • Unavailable: The cluster is exhibiting unexpected behavior and needs to be manually deleted.

  • ScalingUp: Nodes are being added to the cluster.

  • ScalingDown: The cluster is being downsized to fewer nodes.

  • Creating: The cluster is being created.

  • Deleting: The cluster is being deleted.

  • Upgrading: The cluster is being upgraded.

  • Resizing: Cluster specifications are being changed.

  • ResizeFailed: Cluster specification changing is abnormal.

  • RollingBack: The cluster is being rolled back.

  • RollbackFailed: The cluster rollback is abnormal.

  • Hibernating: The cluster is being hibernated.

  • Hibernation: The cluster is in hibernation.

  • Freezing: The cluster is being frozen.

  • Frozen: The cluster has been frozen.

  • UnFreezing: The cluster is being unfrozen.

  • Awaking: The cluster is being woken up from hibernation.

  • Empty: The cluster does not have any resources. This field has been discarded.

  • Error: Resources in the cluster are abnormal. You can manually delete the cluster.

jobID

String

Details:

ID of the job associated with the current cluster status. The system supports:

  • ID of the associated job returned when creating a cluster. You can use it to obtain the auxiliary jobs for creating a cluster.

  • ID of the associated job returned when a cluster fails to be deleted or is being deleted. If this parameter is not empty, you can use the job ID to obtain the auxiliary jobs for deleting a cluster.

Constraints:

None

Options:

N/A

NOTE:

Jobs are short-lived. Do not use job information in scenarios such as cluster status determination.

reason

String

Details:

Why a cluster changes to the current state. This parameter is returned if the cluster is not in the Available state.

Constraints:

None

Options:

N/A

message

String

Details:

Detailed information about why a cluster changes to the current state. This parameter is returned if the cluster is not in the Available state.

Constraints:

None

Options:

N/A

endpoints

Array of ClusterEndpoints objects

Details:

Access address of kube-apiserver in a cluster

Constraints:

None

isLocked

Boolean

Details:

CBC resource locked

Constraints:

None

Options:

  • true: The resource is locked by CBC.

  • false: The resource is not locked by CBC.

lockScene

String

Details:

CBC resource locking scenario

Constraints:

None

Options:

N/A

lockSource

String

Details:

Resource locked

Constraints:

None

Options:

N/A

lockSourceId

String

Details:

ID of a locked resource

Constraints:

None

Options:

N/A

deleteOption

Object

Details:

Status of the configuration to be deleted. This parameter is contained only in the response to the deletion request.

Constraints:

None

Options:

N/A

deleteStatus

Object

Details:

Information of the status to be deleted. This parameter is contained only in the response to the deletion request.

Constraints:

None

Options:

N/A
Table 24 ClusterEndpoints

Parameter

Type

Description

url

String

Details:

Access address of kube-apiserver in a cluster

Constraints:

None

Options:

N/A

type

String

Details:

Type of the cluster access address

Constraints:

None

Options:

  • Internal: address for internal network access

  • External: address for external network access

Example Requests

None

Example Responses

Status code: 200

Information about the specified cluster is successfully obtained.

{
  "kind" : "Cluster",
  "apiVersion" : "v3",
  "metadata" : {
    "alias" : "mycluster",
    "name" : "mycluster",
    "uid" : "4d1ecb2c-229a-11e8-9c75-0255ac100ceb",
    "creationTimestamp" : "2018-08-02 03:48:58.968214406 +0000 UTC",
    "updateTimestamp" : "2018-08-02 04:05:29.386391813 +0000 UTC"
  },
  "spec" : {
    "type" : "VirtualMachine",
    "flavor" : "cce.s1.small",
    "version" : "v1.25",
    "platformVersion" : "cce.6.0",
    "legacyVersion" : "v1.25.6-r0",
    "description" : "this is a demo cluster",
    "customSan" : [ "192.168.1.0", "example.com" ],
    "hostNetwork" : {
      "vpc" : "4d1ecb2c-229a-11e8-9c75-0255ac100ceb",
      "subnet" : "4d1ecb2c-229a-11e8-9c75-0255ac100ceb",
      "controlPlaneSecurityGroup" : "14834251-ac69-460a-bfbd-7ac84274c52b"
    },
    "containerNetwork" : {
      "mode" : "overlay_l2",
      "cidr" : "172.16.0.0/16"
    },
    "authentication" : {
      "mode" : "x509",
      "authenticatingProxy" : { }
    },
    "billingMode" : 0,
    "deletionProtection" : false
  },
  "status" : {
    "phase" : "Available",
    "endpoints" : [ {
      "url" : "https://192.168.0.11:5443",
      "type" : "Internal"
    } ]
  }
}

SDK Sample Code

The SDK sample code is as follows.

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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.*;


public class ShowClusterSolution {

    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();
        ShowClusterRequest request = new ShowClusterRequest();
        request.withClusterId("{cluster_id}");
        try {
            ShowClusterResponse response = client.showCluster(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());
        }
    }
}

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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 = ShowClusterRequest()
        request.cluster_id = "{cluster_id}"
        response = client.show_cluster(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

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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.ShowClusterRequest{}
	request.ClusterId = "{cluster_id}"
	response, err := client.ShowCluster(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

Information about the specified cluster is successfully obtained.

Error Codes

See Error Codes.

Parent Topic: Cluster Management