Creating a Cluster (V2)
Function
This API is used to create a cluster that uses multiple different types of nodes. The cluster engine type can be Elasticsearch, OpenSearch, or Logstash.
-
An Elasticsearch cluster supports the following nodes:
-
Data node (ess): mandatory. Data nodes store the data of a cluster. If there are no client nodes in the cluster, data nodes will need to additionally handle cluster access and data analytics requests; if there are no master nodes, data nodes will need to provide cluster management.
-
Master nodes (ess-master): optional. Master nodes manage cluster-wide operations, including metadata, indexes, and shard allocation. For large-scale deployments, using dedicated master nodes enhances cluster stability, service availability, and centralized control.
-
Client nodes (ess-client): Client nodes route and coordinate search and index requests, offloading processing from data nodes for enhanced query performance and cluster scalability when there are heavy loads.
-
Cold data nodes (ess-cold): Cold data nodes are used to store and query large quantities of latency-insensitive data. They offer an effective way to manage large datasets while cutting storage costs.
-
OpenSearch clusters support the same nodes as Elasticsearch clusters.
-
Logstash clusters support the creation of Logstash nodes (lgs). Logstash nodes ingest, parse, process, and transmit data.
Constraints
-
Before creating a cluster, make sure you have planned its configuration, including the cluster size, node specifications, and storage capacity requirements.
-
You have created a VPC, subnet, and security group beforehand, or you can create them when creating the cluster.
Calling Method
For details, see Calling APIs.
URI
POST /v2.0/{project_id}/clusters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
project_id |
Yes |
String |
Definition: Project ID. For details about how to obtain the project ID and name, see Obtaining the Project ID and Name. Constraints: N/A Value range: Project ID of the account. Default value: N/A |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
cluster |
Yes |
CreateClusterBody object |
Definition: Cluster object. Constraints: N/A Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
name |
Yes |
String |
Definition: Cluster name. Constraints: N/A Value range: It can contain 4 to 32 characters. Only digits, letters, hyphens (-), and underscores (_) are allowed. The value must start with a letter. Default value: N/A |
backupStrategy |
No |
Definition: Automatic snapshot creation. Constraints: The automatic snapshot creation policy is enabled only when backupStrategy is not left blank. Value range: N/A Default value: N/A |
|
roles |
Yes |
Array of CreateClusterRolesBody objects |
Definition: Cluster node information. Constraints: N/A Value range: N/A Default value: N/A |
nics |
Yes |
Definition: Network configuration information. Constraints: N/A Value range: N/A Default value: N/A |
|
enterprise_project_id |
No |
String |
Definition: Enterprise project ID. When you create a cluster, associate the enterprise project ID with the cluster. Constraints: N/A Value range: The value can contain a maximum of 36 characters. It is string 0 or in UUID format with hyphens (-). Default value: 0 indicates an enterprise project. |
tags |
No |
Array of CreateClusterTagsBody objects |
Definition: Cluster tags. Constraints: N/A Value range: N/A Default value: N/A |
availability_zone |
Yes |
String |
Definition: AZ of the node. The AZ name needs to be specified. Constraints: If multiple AZs are selected, the name of each AZ must be unique, and the number of nodes must be greater than or equal to the number of AZs. If the number of nodes is evenly divisible by the number of AZs, the nodes will be evenly distributed among all AZs. If the number of nodes is not evenly divisible by the number of AZs, the absolute difference between node quantity in any two AZs is 1 at most. To learn more about AZs, see Basic Concepts in CSS Before You Start. Value range: When specifying the AZs of nodes, use commas (,) to separate different AZ names. For example, if multiple AZs are selected for general AZs, the value of availability_zone is region-1a,region-1b,region-1c. Default value: N/A |
datastore |
Yes |
CreateClusterDatastoreBody object |
Definition: Engine type of the cluster to be created. Constraints: N/A Value range: The value can be elasticsearch, opensearch, or logstash. Default value: N/A |
authorityEnable |
No |
Boolean |
Definition: Whether to enable security authentication for a cluster. Constraints: This parameter is available only for Elasticsearch and OpenSearch clusters.
Value range: Default value: false |
httpsEnable |
No |
Boolean |
Definition: Whether communication is encrypted on the cluster. Constraints: When httpsEnable is set to true, authorityEnable must be set to true. Only Elasticsearch 6.5.4 security-mode clusters and later support this parameter. HTTPS access can be disabled only for OpenSearch 1.3.6 and 2.19.0 security-mode clusters. For other versions, HTTPS access is forcibly enabled and cannot be disabled. Value range:
Default value: false |
adminPwd |
No |
String |
Definition: Password of the administrator admin for a security-mode cluster. Constraints: This parameter is mandatory only when authorityEnable is set to true during cluster creation. Value range: A string of 8 to 32 characters. Must contain at least three of the following character types: uppercase letters, lowercase letters, digits, and special characters ~!@#$%&*()-_=|[{}];:,<.>/? Default value: N/A |
publicIPReq |
No |
CreateClusterPublicIpReq object |
Definition: Public network access information. Constraints: This parameter is valid only when httpsEnable is set to true. Value range: N/A Default value: N/A |
loadBalance |
No |
CreateClusterLoadBalance object |
Definition: VPC endpoint service information. Constraints: N/A Value range: N/A Default value: N/A |
publicKibanaReq |
No |
CreateClusterPublicKibanaReq object |
Definition: Kibana public network access information. Constraints: This parameter is valid only when authorityEnable is set to true. Value range: N/A Default value: N/A |
payInfo |
No |
PayInfoBody object |
Definition: Parameters used for purchasing a yearly/monthly cluster. Constraints: N/A Value range: N/A Default value: N/A |
ipv6_enable |
No |
Boolean |
Definition: Whether to enable automatic IPv6 address assignment for the cluster. Constraints: N/A Value range:
Default value: false |
diskEncryption |
No |
diskEncryptionInfo object |
Definition: Disk encryption information. Constraints: N/A Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
period |
Yes |
String |
Definition: Time when a snapshot is created every day. Constraints: Snapshots can only be created on the hour. The time format is the time followed by the time zone, specifically, HH:mm z. In the format, HH:mm refers to the hour time and z refers to the time zone. For example, 00:00 GMT+08:00 and 01:00 GMT+08:00. Value range: N/A Default value: 00:00 GMT+08:00.
NOTE:
When frequency is set to HOUR, you do not need to specify period. By default, snapshot creation starts from the next hour after the settings are successful.
|
frequency |
No |
String |
Definition: Frequency of automatically creating snapshots. Constraints: The number of retained snapshots depends on the execution frequency and indexes set in the automatic snapshot creation policy. If the execution interval is short or the index data volume is large, the number of retained automatic snapshots may not reach the preset value. Set this value based on actual conditions. Value range:
Default value: DAY |
prefix |
Yes |
String |
Definition: Prefix of a snapshot that is automatically created, which is manually entered. Constraints: Enter up to 32 characters and start with a lowercase letter. Lowercase letters, digits, hyphens (-), and underscores (_) are allowed. Value range: N/A Default value: N/A |
keepday |
Yes |
Integer |
Definition: Customize the number of snapshots to be retained. Constraints: Expired snapshots will be automatically deleted on the half hour. The deletion policy applies only to automated snapshots that are executed at the same frequency as the current automatic snapshot creation policy. Value range: 1–90 Default value: N/A |
bucket |
No |
String |
Definition: Name of the OBS bucket used for backup. Constraints: Select an OBS bucket that meets the following requirements:
Value range: N/A Default value: N/A |
basePath |
No |
String |
Definition: Storage path of the snapshot in the OBS bucket. Constraints: The backup path cannot:
Value range: N/A Default value: N/A |
agency |
No |
String |
Definition: Select an IAM agency to grant the current account the permission to access and use OBS. Constraints: N/A Value range: The agency name can contain only letters (case-sensitive), digits, underscores (_), and hyphens (-). Default value: N/A
NOTE:
If none of the bucket, basePath, and agency parameters are specified, the system will automatically create an OBS bucket and an IAM agency. If the creation fails, you need to manually configure correct parameters.
|
maxSnapshotBytesPerSeconds |
No |
String |
Parameter description: This parameter sets the maximum backup speed per node (bytes per second). When it is exceeded, flow control is triggered to prevent excessive resource usage and ensure system stability. The actual backup speed may not reach the configured value, as it depends on many factors, such as OBS performance and disk I/O. Constraints N/A Value range: The following values and formats are allowed:
The number ranges from 0 to 9999. The unit can be k, kb, m, mb, g, gb, t, tb, p, pb, or b (case-insensitive). 0mb means there is no speed limit. An overly high backup speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully.
There is no speed limit. An overly high backup speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully.
There is no speed limit. An overly high backup speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully. Default value: 40mb |
maxRestoreBytesPerSeconds |
No |
String |
Parameter description: This parameter sets the maximum recovery speed per node (bytes per second). When it is exceeded, flow control is triggered to prevent excessive resource usage and ensure system stability. The actual recovery speed may not reach the configured value, as it depends on many factors, such as OBS performance and disk I/O. Constraints For OpenSearch clusters and Elasticsearch clusters later than 7.6.2, the recovery speed is also limited by the indices.recovery.max_bytes_per_sec parameter. If Maximum recovery speed (per second) is lower than indices.recovery.max_bytes_per_sec, flow control is triggered when the former is reached. If Maximum recovery speed (per second) is higher than indices.recovery.max_bytes_per_sec, flow control is triggered when the latter is reached. Value range: The following values and formats are allowed:
The number ranges from 0 to 9999. The unit can be k, kb, m, mb, g, gb, t, tb, p, pb, or b (case-insensitive). 0mb means there is no speed limit. (However, for OpenSearch clusters and Elasticsearch clusters later than 7.6.2, the recovery speed is also limited by the indices.recovery.max_bytes_per_sec parameter.) An overly high recovery speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully.
There is no speed limit. (However, for OpenSearch clusters and Elasticsearch clusters later than 7.6.2, the recovery speed is also limited by the indices.recovery.max_bytes_per_sec parameter.) An overly high recovery speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully.
There is no speed limit. (However, for OpenSearch clusters and Elasticsearch clusters later than 7.6.2, the recovery speed is also limited by the indices.recovery.max_bytes_per_sec parameter.) An overly high recovery speed may lead to excessive resource usage, which may impact system stability. Therefore, set this parameter carefully. Default value: For Elasticsearch clusters of 7.6.2 or earlier, the default setting is 40mb. For OpenSearch clusters and Elasticsearch clusters later than 7.6.2, the default setting is no limit, but the recovery speed is still limited by the indices.recovery.max_bytes_per_sec parameter. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
flavorRef |
Yes |
String |
Definition: Name flavor name. For details about the current instance flavor, see the name attribute in Obtaining the Instance Specifications List. Constraints: For details about the current instance flavor, see the name attribute in Obtaining the Instance Specifications List. Value range: N/A Default value: N/A |
volume |
Yes |
Definition: Volume information. Constraints: If flavorRef is set to a local disk flavor, leave this parameter blank. Obtain the local disk flavor by referring to the diskrange attribute in Obtaining the Instance Specifications List. Value range: N/A Default value: N/A |
|
type |
Yes |
String |
Definition: Node type. Constraints: N/A Value range:
[- chinese indicates a Chinese language model. Default value: N/A |
instanceNum |
Yes |
Integer |
Definition: Number of instances. Constraints: See the value range. Value range:
Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
volume_type |
Yes |
String |
Definition: Disk type. Constraints: N/A Value range:
Default value: N/A |
size |
Yes |
Integer |
Definition: Disk size. Constraints: The value must be greater than 0 and a common multiple of 4 and 10, in GB. Value range: You can obtain the disk size from the diskrange attribute in Obtaining the Instance Specifications List. Default value:
NOTE:
You are advised to set this value to be greater than 100 GB.
|
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
vpcId |
Yes |
String |
Definition: VPC ID, which is used for configuring cluster network. Constraints: N/A Value range: N/A Default value: N/A |
netId |
Yes |
String |
Definition: Subnet ID (network ID). Constraints: N/A Value range: N/A Default value: N/A |
securityGroupId |
Yes |
String |
Definition: Security group ID. Constraints: N/A Value range: N/A Default value: N/A |
ips |
No |
Array of strings |
Definition: Node IP address, which is configured when a cluster is created. Constraints: N/A Value range: Only Elasticsearch and OpenSearch support this parameter. Assign automatically: Private IPv4 addresses will be automatically assigned to cluster nodes. Assign manually: Manually assign private IPv4 addresses to cluster nodes. Before assigning an IP address, click View In-Use IP Address to check IP addresses that are already in use. Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
key |
Yes |
String |
Definition: Tag key. Constraints: The value can contain 1 to 36 characters. Only digits, letters, hyphens (-), and underscores (_) are allowed. Value range: N/A Default value: N/A |
value |
Yes |
String |
Definition: Tag value. Constraints: The value can contain 0 to 43 characters. It can only contain digits, letters, hyphens (-), and underscores (_). Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
version |
Yes |
String |
Definition: Version of the CSS cluster engine. For details, see the supported versions in Before You Start. Constraints: N/A Value range: N/A[For a serverless cluster, logs, search, and vector are supported.] (tag:white) Default value: N/A |
type |
Yes |
String |
Definition: Engine type of the cluster to be created. Constraints: N/A Value range:
Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
eip |
Yes |
CreateClusterPublicEip object |
Definition: Public network bandwidth. Constraints: N/A Value range: N/A Default value: N/A |
elbWhiteListReq |
Yes |
CreateClusterElbWhiteList object |
Definition: EIP whitelist. Constraints: N/A Value range: N/A Default value: N/A |
publicBindType |
Yes |
String |
Definition: Whether to automatically bind an EIP. Constraints: N/A Value range: Currently, only auto_assign is supported. Default value: N/A |
eipId |
No |
String |
Definition: EIP ID. Constraints: N/A Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
bandWidth |
Yes |
CreateClusterPublicEipSize object |
Definition: Set the public network bandwidth. Constraints: N/A Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
size |
Yes |
Integer |
Definition: Bandwidth size, in Mbit/s. Constraints: N/A Value range: 1-200 Default value: 1 |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
enableWhiteList |
Yes |
Boolean |
Definition: Whether to enable public network access control. Constraints: N/A Value range:
Click +Add. In the displayed text box, enter IP addresses or CIDR blocks that are allowed to access the cluster from the public network. Separate them using commas (,). Each value must be unique. An example of valid values: 192.168.1.1,10.0.0.0/24. Examples of invalid values: 0.0.0.0, x.x.x.x0, 172.16.0.0-172.16.255.255, non-standard formats (e.g., 192.168.1), and duplicate values. Default value: false |
whiteList |
No |
String |
Definition: Public network access control whitelist. Constraints: Separate the whitelisted CIDR blocks or IP addresses with commas (,), and make sure each of them is unique. Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
endpointWithDnsName |
Yes |
Boolean |
Definition: Specifies the private domain name for accessing the VPC endpoint. Constraints: N/A Value range:
Default value: false |
vpcPermissions |
No |
Array of strings |
Definition: Access control. Constraints: N/A Value range: N/A. Default value: N/A |
professionVpcep |
No |
Boolean |
Definition: Create a professional VPC endpoint. Constraints: N/A Value range:
Default value: fasle |
dualstackEnable |
No |
Boolean |
Definition: Whether to enable IPv4/IPv6 dual-stack networking. Constraints: The IPv4/IPv6 dual-stack network can be enabled only when a professional VPC endpoint is created and the VPC of the cluster supports IPv6. Value range:
Default value: fasle |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
eipSize |
Yes |
Integer |
Definition: Bandwidth size, in Mbit/s. Constraints: N/A Value range: 1-200 Default value: 1 |
elbWhiteList |
Yes |
Definition: Kibana whitelist information. Constraints: N/A Value range: N/A Default value: N/A |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
whiteList |
Yes |
String |
Definition: Whitelists Constraints: Separate the whitelisted CIDR blocks or IP addresses with commas (,), and make sure each of them is unique. Value range: N/A Default value: N/A |
enableWhiteList |
Yes |
Boolean |
Definition: Whether to enable Kibana access control. Constraints: N/A Value range:
Click +Add. In the displayed text box, enter IP addresses or CIDR blocks that are allowed to access the cluster's Kibana console from the public network. Separate them using commas (,). Each value must be unique. An example of valid values: 192.168.1.1,10.0.0.0/24. Examples of invalid values: 0.0.0.0, x.x.x.x0, 172.16.0.0-172.16.255.255, non-standard formats (e.g., 192.168.1), and duplicate values. Default value: false |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
payModel |
Yes |
Integer |
Definition: Cluster subscription period type. Constraints: N/A Value range:
Default value: N/A |
period |
Yes |
Integer |
Definition: Cluster subscription periods. Constraints: N/A Value range:
Default value: N/A |
isAutoRenew |
No |
Integer |
Definition: Whether to automatically renew the subscription. If this parameter is not specified, the subscription is not automatically renewed. Constraints: N/A Value range:
Default value: 0 |
isAutoPay |
No |
Integer |
Definition: Whether to enable automatic payment from your Huawei Cloud account. This parameter takes effect only for yearly/monthly clusters. Constraints: N/A Value range:
Default value: 0 |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
systemEncrypted |
No |
String |
Definition: Whether disk encryption is enabled. KMS is used to encrypt the data disks of cluster nodes to ensure the security of stored data. Constraints: Disk encryption and decryption do not alter cluster management or O&M processes. However, they do increase the system's processing load, potentially affecting the system's operational performance. Value range:
Default value: 0 |
systemCmkid |
No |
String |
Definition: Disk key ID. Constraints: This parameter is valid only when systemEncrypted is set to 1. Select a KMS key from the drop-down list. KMS keys that are unavailable in this drop-down list are not supported by the cluster. Set a key that meets the following requirements:
After cluster creation, the KMS key cannot be changed. If the KMS key used by the cluster is disabled, the cluster cannot be scaled or upgraded, its node specifications or AZs cannot be changed, and its nodes cannot be replaced (by specifying the nodes that need replacement). To solve this problem, you will have to create a new cluster and migrate your data to that new cluster. Value range: N/A Default value: N/A |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
cluster |
CreateClusterResp object |
Definition: Cluster object. For a pay-per-use cluster, only the cluster parameter is returned. Value range: N/A. |
orderId |
String |
Definition: Order ID. This parameter is returned only when a yearly/monthly cluster is created. Value range: N/A. |
Example Requests
-
Example request for creating a yearly/monthly Elasticsearch cluster.
POST https://{Endpoint}/v2.0/{project_id}/clusters { "cluster" : { "name" : "css-cluster", "backupStrategy" : { "period" : "16:00 GMT+08:00", "prefix" : "snapshot", "keepday" : 7, "frequency" : "DAY", "bucket" : "OBS-obsName", "basePath" : "css_repository/obs-path", "agency" : "css_obs_agency", "maxSnapshotBytesPerSeconds" : 40, "maxRestoreBytesPerSeconds" : 40 }, "roles" : [ { "flavorRef" : "ess.spec-4u8g", "volume" : { "volume_type" : "COMMON", "size" : 100 }, "type" : "ess", "instanceNum" : 1 } ], "nics" : { "vpcId" : "{VPC ID}", "netId" : "{NET ID}", "securityGroupId" : "{Security group ID}" }, "enterprise_project_id" : 0, "tags" : [ { "key" : "k1", "value" : "v1" }, { "key" : "k2", "value" : "v2" } ], "availability_zone" : "{Az code}", "datastore" : { "version" : "{cluster-version}", "type" : "elasticsearch" }, "authorityEnable" : true, "httpsEnable" : true, "adminPwd" : "{password}", "publicIPReq" : { "eip" : { "bandWidth" : { "size" : 5 } }, "elbWhiteListReq" : { "enableWhiteList" : true, "whiteList" : "127.0.0.1" }, "publicBindType" : "auto_assign", "eipId" : null }, "loadBalance" : { "endpointWithDnsName" : false, "vpcPermissions" : [ "{Account ID}" ] }, "publicKibanaReq" : { "eipSize" : 5, "elbWhiteList" : { "whiteList" : "127.0.0.1", "enableWhiteList" : true } }, "payInfo" : { "payModel" : 2, "period" : 1, "isAutoRenew" : 1, "isAutoPay" : null } } }
-
Example request for creating a pay-per-use Elasticsearch cluster
POST https://{Endpoint}/v2.0/{project_id}/clusters { "cluster" : { "name" : "css-cluster", "backupStrategy" : { "period" : "16:00 GMT+08:00", "prefix" : "snapshot", "keepday" : 7, "frequency" : "DAY", "bucket" : "OBS-obsName", "basePath" : "css_repository/obs-path", "agency" : "css_obs_agency", "maxSnapshotBytesPerSeconds" : 40, "maxRestoreBytesPerSeconds" : 40 }, "roles" : [ { "flavorRef" : "ess.spec-4u8g", "volume" : { "volume_type" : "COMMON", "size" : 100 }, "type" : "ess", "instanceNum" : 1 } ], "nics" : { "vpcId" : "{VPC ID}", "netId" : "{NET ID}", "securityGroupId" : "{Security group ID}" }, "enterprise_project_id" : 0, "tags" : [ { "key" : "k1", "value" : "v1" }, { "key" : "k2", "value" : "v2" } ], "availability_zone" : "{Az code}", "datastore" : { "version" : "{cluster-version}", "type" : "elasticsearch" }, "authorityEnable" : true, "httpsEnable" : true, "adminPwd" : "{password}", "publicIPReq" : { "eip" : { "bandWidth" : { "size" : 5 } }, "elbWhiteListReq" : { "enableWhiteList" : true, "whiteList" : "127.0.0.1" }, "publicBindType" : "auto_assign", "eipId" : null }, "loadBalance" : { "endpointWithDnsName" : false, "vpcPermissions" : [ "{Account ID}" ] }, "publicKibanaReq" : { "eipSize" : 5, "elbWhiteList" : { "whiteList" : "127.0.0.1", "enableWhiteList" : true } } } }
Example Responses
Status code: 200
Request succeeded.
-
Example response for creating a pay-per-use cluster.
{ "cluster" : { "id" : "ef683016-871e-48bc-bf93-74a29d60d214", "name" : "ES-Test" } }
-
Example response for creating a yearly/monthly cluster.
{ "orderId" : "CS2208241141LY94J", "cluster" : { "id" : "ef683016-871e-48bc-bf93-74a29d60d214", "name" : "ES-Test" } }
Status Codes
Status Code |
Description |
---|---|
200 |
Request succeeded. |
400 |
Invalid request. Modify the request before retry. |
409 |
The request could not be completed due to a conflict with the current state of the resource. The resource that the client attempts to create already exists, or the update request fails to be processed because of a conflict. |
412 |
The server did not meet one of the preconditions contained in the request. |
Error Codes
See Error Codes.
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