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On this page

Permissions

Updated on 2024-12-30 GMT+08:00

If you need to assign different permissions to personnel in your enterprise to access your TaurusDB resources, Identity and Access Management (IAM) is a good choice for fine-grained permissions management. IAM provides identity authentication, permissions management, and access control, helping you secure access to your Huawei Cloud resources.

With IAM, you can create IAM users and assign permissions to control their access to specific resources. For example, if you want some software developers in your enterprise to use TaurusDB resources but do not want them to delete TaurusDB resources or perform any other high-risk operations, you can create IAM users for the software developers and grant them only the permissions required for using TaurusDB resources.

If your Huawei Cloud account does not require individual IAM users for permissions management, you can skip this section.

IAM is free of charge. You pay only for the resources in your account. For more information about IAM, see IAM Service Overview.

TaurusDB Permissions

New IAM users do not have any permissions assigned by default. You need to first add them to one or more groups and attach policies or roles to these groups. The users then inherit permissions from the groups and can perform specified operations on cloud services based on the permissions they have been assigned.

TaurusDB is a project-level service deployed in specific physical regions. If you set Scope to Region-specific projects and select the specified projects in the specified regions, the users only have permissions for TaurusDB instances in the selected projects. If you set Scope to All projects, the users have permissions for TaurusDB instances in all region-specific projects. When accessing TaurusDB instances, the users need to switch to the authorized region.

You can grant permissions by using roles and policies.

  • Roles: A coarse-grained authorization strategy provided by IAM to assign permissions based on users' job responsibilities. Only a limited number of service-level roles are available for authorization. Cloud services depend on each other. When you grant permissions using roles, you also need to attach any existing role dependencies. Roles are not ideal for fine-grained authorization and least permission access.
  • Policies: A fine-grained authorization strategy that defines permissions required to perform operations on specific cloud resources under certain conditions. This type of authorization is more flexible and is ideal for least permission access. For example, you can grant users only permissions to manage database resources of a certain type. A majority of fine-grained policies contain permissions for specific APIs, and permissions are defined using API actions. For the API actions supported by TaurusDB, see Permissions Policies and Supported Actions.

Table 1 lists all the system-defined permissions for TaurusDB.

Table 1 System-defined permissions for TaurusDB

Role/Policy Name

Description

Type

GaussDB FullAccess

Full permissions for TaurusDB

System-defined policy

GaussDB ReadOnlyAccess

Read-only permissions for TaurusDB

System-defined policy

Table 2 lists common operations supported by each system-defined permission of TaurusDB.

Table 2 Common operations supported by system-defined permissions

Operation

GaussDB FullAccess

GaussDB ReadOnlyAccess

Creating a TaurusDB instance

Supported

Not supported

Deleting a TaurusDB instance

Supported

Not supported

Querying TaurusDB instances

Supported

Supported

Table 3 Common operations and supported actions

Operation

Action

Description

Modifying parameters in a parameter template

gaussdb:param:modify

-

Changing DB instance specifications

gaussdb:instance:modifySpec

-

Creating a DB instance

gaussdb:instance:create

To select a VPC, subnet, and security group, configure the following actions:

vpc:vpcs:list

vpc:vpcs:get

vpc:subnets:get

vpc:securityGroups:get

To create an encrypted instance, configure the KMS Administrator permission for the project.

To create yearly/monthly instances, configure the following CBC actions:

bss:renewal:view

bss:renewal:update

bss:balance:view

bss:order:view

bss:order:update

bss:order:pay

To configure TDE during instance creation, configure the following action: iam:agencies:createServiceLinkedAgencyV5

Creating a manual backup

gaussdb:backup:create

-

Querying backups

gaussdb:backup:list

-

Querying error logs

gaussdb:log:list

-

Rebooting a DB instance

gaussdb:instance:restart

-

Querying DB instances

gaussdb:instance:list

-

Creating a parameter template

gaussdb:param:create

-

Deleting a parameter template

gaussdb:param:delete

-

Modifying a backup policy

gaussdb:instance:modifyBackupPolicy

-

Viewing parameter templates

gaussdb:param:list

-

Deleting a DB instance

gaussdb:instance:delete

To unsubscribe from a yearly/monthly instance, configure the following action:

bss:unsubscribe:update

Deleting a manual backup

gaussdb:backup:delete

-

Querying project tags

gaussdb:tag:list

-

Applying a parameter template

gaussdb:param:apply

-

Adding or deleting project tags in batches

gaussdb:instance:dealTag

-

Changing quotas

gaussdb:quota:modify

-

Upgrading a DB instance version

gaussdb:instance:upgrade

-

Promoting a read replica to the primary node

gaussdb:instance:switchover

-

Changing a database port

gaussdb:instance:modifyPort

-

Changing a security group

gaussdb:instance:modifySecurityGroup

-

Changing the private IP address

gaussdb:instance:modifyIp

To select an IP address, configure the following actions:

vpc:vpcs:list

vpc:vpcs:get

Enabling or disabling SSL

gaussdb:instance:modifySSL

-

Changing an instance name

gaussdb:instance:rename

-

Adding read replicas

gaussdb:instance:addNodes

-

Deleting read replicas

gaussdb:instance:deleteNodes

-

Scaling storage space

gaussdb:instance:modifyStorageSize

-

Changing a DB instance password

gaussdb:instance:modifyPassword

-

Binding an EIP to a DB instance

gaussdb:instance:bindPublicIp

To display EIPs on the console, configure:

vpc:publicIps:get

vpc:publicIps:list

Unbinding an EIP from a DB instance

gaussdb:instance:unbindPublicIp

-

Modifying a monitoring policy

gaussdb:instance:modifyMonitorPolicy

-

Changing a failover priority

gaussdb:instance:modifySwitchoverPriority

-

Changing the maintenance window

gaussdb:instance:modifyMaintenanceWindow

-

Isolating nodes

gaussdb:instance:isolateNodes

-

Enabling or disabling SQL Explorer

gaussdb:instance:modifyTraceSQLPolicy

-

Querying HTAP instances

gaussdb:htapInstance:list

-

Creating an HTAP instance

gaussdb:htapInstance:create

-

Modifying a GaussDB HTAP instance.

gaussdb:htapInstance:modify

-

Deleting an HTAP instance

gaussdb:htapInstance:delete

-

Changing an HTAP instance name

gaussdb:htapInstance:rename

-

Rebooting an HTAP instance

gaussdb:htapInstance:restart

-

Upgrading an HTAP instance version

gaussdb:htapInstance:upgrade

-

Promoting a read replica of an HTAP instance to primary

gaussdb:htapInstance:switchover

-

Changing the specifications of an HTAP Instance

gaussdb:htapInstance:modifySpec

-

Scaling up storage of an HTAP instance

gaussdb:htapInstance:modifyStorageSize

-

Binding an EIP for an HTAP instance

gaussdb:htapInstance:bindPublicIp

-

Unbinding an EIP from an HTAP instance

gaussdb:htapInstance:unbindPublicIp

-

Changing the port of an HTAP instance

gaussdb:htapInstance:modifyPort

-

Changing the HTAP instance password

gaussdb:htapInstance:modifyPassword

-

Creating an HTAP Data Synchronization Task

gaussdb:htapInstance:createDataSync

-

Modifying an HTAP Data Synchronization Task

gaussdb:htapInstance:modifyDataSync

-

Deleting an HTAP Data Synchronization Task

gaussdb:htapInstance:deleteDataSync

-

Creating a database proxy instance

gaussdb:proxy:create

-

Changing the IP address of a proxy instance

gaussdb:proxy:modifyIp

-

Modifying the read weights of a proxy instance

gaussdb:proxy:modifyWeight

-

Changing the database proxy port

gaussdb:proxy:modifyPort

-

Modifying database proxy access control

gaussdb:proxy:modifyAccess

-

Deleting a proxy instance

gaussdb:proxy:delete

-

Querying proxy Instances

gaussdb:proxy:list

-

Upgrading a proxy instance version

gaussdb:proxy:upgrade

-

Changing a proxy instance name

gaussdb:proxy:rename

-

Adding database proxy nodes

gaussdb:proxy:addNodes

-

Deleting database proxy nodes

gaussdb:proxy:deleteNodes

-

Changing specifications of a proxy instance

gaussdb:proxy:modifySpec

-

Applying for a private domain name for a database proxy instance

gaussdb:proxy:createDns

-

Changing the domain name of proxy instance

gaussdb:proxy:modifyDns

-

Deleting the domain name of a proxy instance

gaussdb:proxy:deleteDns

-

Changing the routing policy of a proxy instance

gaussdb:proxy:modifyRouteMode

-

Enabling or disabling SSL for a proxy instance

gaussdb:proxy:modifySSL

-

Creating database users

gaussdb:user:create

-

Deleting database users

gaussdb:user:delete

-

Changing the password of a database user

gaussdb:user:modify

-

Querying database users

gaussdb:user:list

-

Authorizing database permissions to users

gaussdb:user:grantPrivilege

-

Revoking database permissions from users

gaussdb:user:revokePrivilege

-

Creating databases

gaussdb:database:create

-

Deleting databases

gaussdb:database:delete

-

Querying databases

gaussdb:database:list

-

Querying predefined tags

-

To query predefined tags, configure the following action:

tms:resourceTags:list

Querying configured log groups

-

To query configured log groups, configure the following action:

lts:groups:get

Querying configured log streams

-

To query configured log streams, configure the following action:

lts:topics:get

Modifying auto scaling policies

gaussdb:autoscaling:createPolicy

To modify auto scaling policies, configure the following action:

iam:agencies:listAgencies

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