What Types of APIs Does ELB Provide? What Are Permissions of ELB?

ELB supports the following policies:

**Table 1** ELB policies
Policy Type	Policy Name	Description
RBAC policy	ELB Administrator	Has all permissions on ELB Before assigning the RBAC policy to a user group, check whether the user group has a dependent policy. If yes, set the dependent permission to make the RBAC policy take effect.
Fine-grained policy	ELB FullAccess	Has all permissions on ELB. If this function is not enabled, you cannot assign a fine-grained policy to a user group.
Fine-grained policy	ELB ReadOnlyAccess	Has the read-only permission on ELB.

**Table 2** Common operations supported by system-defined policies
Operation	ELB FullAccess	ELB ReadOnlyAccess	ELB Administrator
Creating a load balancer	Supported	Not supported	Supported
Querying a load balancer	Supported	Supported	Supported
Querying a load balancer and associated resources	Supported	Supported	Supported
Querying load balancers	Supported	Supported	Supported
Modifying a load balancer	Supported	Not supported	Supported
Deleting a load balancer	Supported	Not supported	Supported
Adding a listener	Supported	Not supported	Supported
Querying a listener	Supported	Supported	Supported
Modifying a listener	Supported	Not supported	Supported
Deleting a listener	Supported	Not supported	Supported
Adding a backend server group	Supported	Not supported	Supported
Querying a backend server group	Supported	Supported	Supported
Modifying a backend server group	Supported	Not supported	Supported
Deleting a backend server group	Supported	Not supported	Supported
Adding a backend server	Supported	Not supported	Supported
Querying a backend server	Supported	Supported	Supported
Modifying a backend server	Supported	Not supported	Supported
Deleting a backend server	Supported	Not supported	Supported
Configuring a health check	Supported	Not supported	Supported
Querying a health check	Supported	Supported	Supported
Modifying a health check	Supported	Not supported	Supported
Disabling a health check	Supported	Not supported	Supported
Assigning an EIP	Not supported	Not supported	Supported
Binding an EIP to a load balancer	Not supported	Not supported	Supported
Querying an EIP	Supported	Supported	Supported
Unbinding an EIP from a load balancer	Not supported	Not supported	Supported
Viewing metrics	Not supported	Not supported	Supported
Viewing access logs	Not supported	Not supported	Supported