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Policy Structure

Last updated: 2024-01-06 17:33:30

Policy Syntax
CAM policy configuration example:
{	 
        "version":"2.0", 
        "statement": 
        [ 
           { 
              "effect":"effect", 
              "action":["action"], 
              "resource":["resource"], 
               "condition": {"key":{"value"}} 
           } 
       ] 
} 
version is required. Currently, only "2.0" is allowed. (This value actually represents the version of TencentCloud APIs acceptable to CAM.)
statement describes the details of one or more permissions. This element contains a permission or permission set of other elements such as effect, action, resource, and condition. One policy has only one statement.
action describes the allowed or denied action. An action entered here is a string prefixed with "dcdb:" and suffixed with an TDSQL API. This element is required.
resource describes the details of authorization. A resource is described in a six-piece format. Detailed resource definitions vary by product. For more information on how to specify a resource, see the documentation for the product whose resources you are writing a statement for. This element is required.
condition describes the condition for the policy to take effect. A condition consists of operator, action key, and action value. A condition value may contain information such as time and IP address. Some services allow you to specify additional values in a condition. This element is optional.
effect describes whether the result produced by the statement is "allowed" (allow) or "denied" (deny). This element is required.
Actions in TencentDB
In a TencentDB policy statement, you can specify any API action from any service that supports TencentDB. APIs prefixed with "dcdb:" should be used for TencentDB, such as dcdb:CreateDBInstance (creating an instance - monthly subscription) or dcdb:CloseDBExtranetAccess (disabling public network access).
To specify multiple actions in a single statement, separate them with commas, as shown below:
"action":["dcdb:action1","dcdb:action2"]
1. You can also specify multiple actions using a wildcard. For example, you can specify all actions whose names begin with "Describe", as shown below:
"action":["dcdb:Describe*"]
2. If you want to specify all operations in TencentDB, use a wildcard as shown below:
"action":["dcdb:*"]
TencentDB Resources
Each CAM policy statement has its own resources.
Resources are generally in the following format:
qcs:project_id:service_type:region:account:resource
project_id describes the project information, which is only used to enable compatibility with legacy CAM logic and can be left empty.
service_type describes the product abbreviation such as DCDB.
region describes the region information, such as ap-guangzhou. For more information, see Regions.
account is the root account of the resource owner, such as "uin/65xxx763".
resource describes detailed resource information of each product, such as instance/instance_id1 or instance/*.
For example:
You can specify a resource for a specific instance (dcdb-k05xdcta) in a statement as shown below:
"resource":[ "qcs::dcdb:ap-guangzhou:uin/65xxx763:instance/dcdb-k05xdcta"]
1. You can also use the wildcard "*" to specify it for all instances that belong to a specific account as shown below:
"resource":[ "qcs::dcdb:ap-guangzhou:uin/65xxx763:instance/*"]
2. If you want to specify all resources or a specific API action does not support resource-level permission control, you can use the wildcard "*" in the "resource" element as shown below:
"resource": ["*"]
3. To specify multiple resources in a single command, separate them with commas. Below is an example where two resources are specified:
"resource":["resource1","resource2"]
The table below describes the resources that can be used by TencentDB and the corresponding resource description methods.
In the table, words prefixed with $ are placeholders.
"region" is region.
"account" is account ID.
Resource
Resource Description Method in Authorization Policy
Instance
``qcs::dcdb:$region:$account:instance/$instanceId``
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Resource	Resource Description Method in Authorization Policy
Instance	``qcs::dcdb:$region:$account:instance/$instanceId``

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Policy Structure

Policy Syntax

Actions in TencentDB

TencentDB Resources

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