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    Authorization Policy Syntax

    Last updated: 2024-01-18 17:20:33
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      Policy Syntax

      CAM policy:
      {	 
              "version":"2.0", 
              "statement": 
              [ 
                 { 
                    "effect":"effect", 
                    "action":["action"], 
                    "resource":["resource"], 
                     "condition": {"key":{"value"}} 
                 } 
             ] 
      }
      version is required. Currently, only "2.0" is allowed.
      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.
      effect describes whether the result produced by the statement is "allowed" (allow) or "denied" (deny). This element is required.
      action describes the allowed or denied action (operation). An operation can be an API (prefixed with "sqlserver:"). This element is required.
      resource describes the details of authorization. A resource is described in a six-segment format. Detailed resource definitions vary by product. 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 required.

      Operations in TencentDB for SQL Server

      In a TencentDB for SQL Server policy statement, you can specify any API operation from any service that supports TencentDB for SQL Server. APIs prefixed with sqlserver: should be used for TencentDB for SQL Server, such as sqlserver:DescribeDBInstances or sqlserver:CreateAccount.
      To specify multiple operations in a single statement, separate them with commas, as shown below:
      "action":["sqlserver:action1","sqlserver:action2"]
      You can also specify multiple operations using a wildcard. For example, you can specify all operations beginning with "Describe" in name, as shown below:
      "action":["sqlserver:Describe*"]
      If you want to specify all operations in TencentDB for SQL Server, use a wildcard as shown below:
      "action"：["sqlserver:*"]

      TencentDB for SQL Server 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 sqlserver.
      region describes the region information, such as ap-guangzhou.
      account is the root account of the resource owner, such as uin/653339763.
      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 (mssql-m8oh024t) in a statement as shown below:
      "resource":[ "qcs::sqlserver:ap-guangzhou:uin/653339763:instance/mssql-m8oh024t"]
      You can also use the wildcard "*" to specify it for all instances that belong to a specific account as shown below:
      "resource":[ "qcs::sqlserver:ap-guangzhou:uin/653339763:instance/*"]
      If you want to specify all resources or a specific API operation does not support resource-level permission control, you can use the wildcard "*" in the "resource" element as shown below:
      "resource": ["*"]
      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 for SQL Server and the corresponding resource description methods, where words prefixed with $ are placeholders, project refers to a project ID, region refers to a region, and account refers to an account ID.
      Resource
      Resource Description Method in Authorization Policy
      Instance
      ``qcs::sqlserver:$region:$account:instance/$instanceId``
      VPC
      ``qcs::vpc:$region:$account:vpc/$vpcId``
      Security group
      ``qcs::cvm:$region:$account:sg/$sgId``
      
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