API Overview

DWS provides Huawei-developed APIs. The following table lists the key functions of DWS APIs. For details about other APIs, see the corresponding sections.

**Table 1** APIs
Function	API	Description
Cluster management	Performing a Check Before Cluster Creation	Performs a check before cluster creation.
	Creating a Cluster	Creates a cluster.
	Querying the List of Clusters	Queries and displays the cluster list.
	Querying Cluster Details	Queries cluster details.
	Querying Flavors	Queries all node types supported by DWS.
	Deleting a Cluster	Deletes a cluster.
	Restarting a Cluster	Restarts a cluster.
	Scaling Out a Cluster	Scales out a cluster.
	Resetting a Password	Resets the cluster administrator password.
	Querying the List of DSS Storage Pools	Queries DSS storage pools available to a tenant.
	Querying a Cluster Parameter Template	Queries the parameter group associated with a cluster.
	Canceling the Read-Only Status	Cancels the read-only status on the management console.
	Querying CNs in a Cluster	Queries information about CNs in a specified cluster.
	Adding CN Nodes in Batches	Adds CNs in batches to a specified cluster.
	Deleting CN Nodes in Batches	Deletes CNs from a specified cluster.
	Scaling In a Cluster	Scales in a cluster.
Snapshot management	Creating a Snapshot	Creates snapshots for a specified cluster.
	Querying the Cluster Snapshot List	Queries the snapshot list.
	Querying Snapshot Details	Queries the snapshot details using the snapshot ID.
	Deleting a Snapshot	Deletes a snapshot.
	Deleting a Snapshot Policy	Deletes a snapshot policy.
	Restoring a Cluster	Restores a cluster using a snapshot.
	Copying a Snapshot	Replicates an automated snapshot.
	Adding a Snapshot Policy	Sets a snapshot policy.
Incident management	Querying the Event List	Queries the event list.
	Querying Subscribed Events	Queries subscribed events.
	Creating an Event Subscription	Adds a subscribed event.
	Updating an Event Subscription	Updates a subscribed event.
	Deleting an Event Subscription	Deletes a subscribed event.
Data source	Querying Data Sources	Queries data sources.
Data source	Editing a Data Source	Updates a data source.
Audit logs	Querying Logs	Queries audit logs.
Alarm management	Querying the Alarm Details List	Queries the alarm details list.
	Querying the Alarm Statistics List	Queries alarm statistics.
	Querying the Alarm Subscription List	Queries subscribed alarms.
	Creating an Alarm Subscription	Creates an alarm subscription.
	Editing an Alarm Subscription	Updates a subscribed alarm.
	Deleting an Alarm Subscription	Deletes a subscribed alarm.
AZ	Querying the AZ List	Queries the AZs available for a tenant to create a cluster.
Connection management	Applying for a Domain Name	Applies for a domain name for a specified cluster.
	Modifying a Cluster Domain Name	Changes the domain name of a specified cluster.
	Deleting a Cluster Domain Name	Deletes the domain name of a specified cluster.
	Obtaining the List of ELBs That Can Be Bound to a Cluster	Queries the list of ELBs that can be associated with a cluster.
	Binding an ELB to a Cluster	Binds an ELB to a cluster.
	Unbinding an ELB from a Cluster	Unbinds an ELB from a cluster.
	Binding an EIP to a Cluster	Binds an EIP to a cluster.
	Unbinding an EIP from a Cluster	Unbound an EIP from a cluster.
Tag management	Querying Project Tags	Queries project tags.
	Querying Cluster Tags	Queries tags of a specified cluster.
	Adding Tags in Batches	Batch adds tags to a specified cluster.
	Deleting Tags in Batches	Batch deletes tags from a specified cluster.
Quota management	Querying Quotas	Queries the DWS quota of a tenant.