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    Authorization Policy Syntax

    Last updated: 2024-11-05 10:10:15
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      CAM Policy Syntax

      {     
              "version":"2.0", 
              "statement": 
              [ 
                 { 
                    "effect":"effect", 
                    "action":["action"], 
                    "resource":["resource"], 
                     "condition": {"key":{"value"}} 
                 } 
             ] 
      }
      version: it is required. Currently, only "2.0" is allowed.
      statement: describes the details of one or more privileges. This element contains a privilege or privilege 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 operation. An operation can be an API or a feature set (a set of specific APIs prefixed with "permid"). 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. 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.

      Redis Operations

      In a CAM policy statement, you can specify any API operation from any service that supports CAM. APIs prefixed with "redis:" should be used for Redis, such as redis:CreateRedis or redis:DeleteInstance. To specify multiple actions in a single statement, separate them with commas, as shown below:
      "action":["redis:action1","redis:action2"]
      You can also specify multiple actions using a wildcard. For example, you can specify all actions whose name begins with "Describe", as shown below:
      "action":["redis:Describe*"]
      If you want to specify all operations in Redis, use a wildcard "*" as shown below:
      "action"：["redis:*"]

      Redis Resource Path

      Each CAM policy statement has its own resources. The general form of resource path is as follows:
      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 Redis. -region: region information, for example, bj.
      account: the root account of the resource owner, such as uin/653339763.
      resource: describes detailed resource information of each product, such as instanceId/instance_id1 or instanceId/*.
      For example, you can specify a resource for a specific instance (crs-psllioc8) in a statement as shown below:
      "resource":[ "qcs::redis:bj:uin/12345678:instance/crs-psllioc8"]
      You can also use the wildcard "*" to specify all instances that belong to a specific account as shown below:
      "resource":[ "qcs::redis:bj:uin/12345678:instance/*"]
      If you want to specify all resources or if 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 Redis and the corresponding resource description methods, where words prefixed with $ are placeholders, "region" refers to a region, and "account" refers to an account ID.
      Resource
      Resource Description Method in Authorization Policy
      Instance
      qcs::redis:$region:$account:instance/$instanceId
      VPC
      qcs::vpc:$region:$account:vpc/$vpcId
      Security group
      qcs::cvm:$region:$account:sg/$sgId
      
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