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    Enable your organization principals to use tags

    This document describes how to grant the Data Catalog tagTemplateUser role to principals. You can do this after you create a Data Catalog tag template in your resource project . This enables them to create metadata, that is, use your template to tag data resources. For more information, see Attaching tags to Google Cloud resources .

    The next section shows how to grant the tagTemplateUser role.

    Grant the tagTemplateUser role

    Console

    Console

    To grant the Data Catalog tagTemplateUser role to a principal on a project, do the following:

    1. Go to IAM in the Google Cloud console and click the edit ( ) button at the right of the principal's listing.

    2. In the Edit permissionsdialog, click ADD ANOTHER ROLE, then click the Select a roledrop-down list.

    3. In the Filterbox, insert Data Catalog TagTemplate User to display this role, then select it and click SAVE.

    Java

    Before trying this sample, follow the Java setup instructions in the Data Catalog quickstart using client libraries . For more information, see the Data Catalog Java API reference documentation .

    To authenticate to Data Catalog, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

      import 
  
 com.google.cloud.datacatalog.v1. DataCatalogClient 
 
 ; 
 import 
  
 com.google.cloud.datacatalog.v1. TagTemplateName 
 
 ; 
 import 
  
 com.google.iam.v1. Binding 
 
 ; 
 import 
  
 com.google.iam.v1. Policy 
 
 ; 
 import 
  
 com.google.iam.v1. SetIamPolicyRequest 
 
 ; 
 import 
  
 java.io.IOException 
 ; 
 // Sample to grant tag access on template 
 public 
  
 class 
 GrantTagTemplateUserRole 
  
 { 
  
 public 
  
 static 
  
 void 
  
 main 
 ( 
 String 
 [] 
  
 args 
 ) 
  
 throws 
  
 IOException 
  
 { 
  
 // TODO(developer): Replace these variables before running the sample. 
  
 String 
  
 projectId 
  
 = 
  
 "my-project" 
 ; 
  
 String 
  
 tagTemplateId 
  
 = 
  
 "my_tag_template" 
 ; 
  
 grantTagTemplateUserRole 
 ( 
 projectId 
 , 
  
 tagTemplateId 
 ); 
  
 } 
  
 public 
  
 static 
  
 void 
  
 grantTagTemplateUserRole 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 templateId 
 ) 
  
 throws 
  
 IOException 
  
 { 
  
 // Currently, Data Catalog stores metadata in the us-central1 region. 
  
 String 
  
 location 
  
 = 
  
 "us-central1" 
 ; 
  
 // Format the Template name. 
  
 String 
  
 templateName 
  
 = 
  
  TagTemplateName 
 
 . 
 newBuilder 
 () 
  
 . 
 setProject 
 ( 
 projectId 
 ) 
  
 . 
 setLocation 
 ( 
 location 
 ) 
  
 . 
 setTagTemplate 
 ( 
 templateId 
 ) 
  
 . 
 build 
 () 
  
 . 
 toString 
 (); 
  
 // Initialize client that will be used to send requests. This client only needs to be created 
  
 // once, and can be reused for multiple requests. After completing all of your requests, call 
  
 // the "close" method on the client to safely clean up any remaining background resources. 
  
 try 
  
 ( 
  DataCatalogClient 
 
  
 dataCatalogClient 
  
 = 
  
  DataCatalogClient 
 
 . 
 create 
 ()) 
  
 { 
  
 // Create a Binding to add the Tag Template User role and member to the policy. 
  
  Binding 
 
  
 binding 
  
 = 
  
  Binding 
 
 . 
 newBuilder 
 () 
  
 . 
 setRole 
 ( 
 "roles/datacatalog.tagTemplateUser" 
 ) 
  
 . 
  addMembers 
 
 ( 
 "group:example-analyst-group@google.com" 
 ) 
  
 . 
 build 
 (); 
  
 // Create a Policy object to update Template's IAM policy by adding the new binding. 
  
  Policy 
 
  
 policyUpdate 
  
 = 
  
  Policy 
 
 . 
 newBuilder 
 (). 
  addBindings 
 
 ( 
 binding 
 ). 
 build 
 (); 
  
  SetIamPolicyRequest 
 
  
 request 
  
 = 
  
  SetIamPolicyRequest 
 
 . 
 newBuilder 
 () 
  
 . 
  setPolicy 
 
 ( 
 policyUpdate 
 ) 
  
 . 
 setResource 
 ( 
 templateName 
 ) 
  
 . 
 build 
 (); 
  
 // Update Template's policy. 
  
 dataCatalogClient 
 . 
 setIamPolicy 
 ( 
 request 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Role successfully granted" 
 ); 
  
 } 
  
 } 
 }

    Node.js

    Before trying this sample, follow the Node.js setup instructions in the Data Catalog quickstart using client libraries . For more information, see the Data Catalog Node.js API reference documentation .

    To authenticate to Data Catalog, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

      // Import the Google Cloud client library. 
 const 
  
 { 
 DataCatalogClient 
 } 
  
 = 
  
 require 
 ( 
 ' @google-cloud/datacatalog 
' 
 ). 
 v1 
 ; 
 const 
  
 datacatalog 
  
 = 
  
 new 
  
  DataCatalogClient 
 
 (); 
 async 
  
 function 
  
 grantTagTemplateUserRole 
 () 
  
 { 
  
 // Grant the tagTemplateUser role to a member of the project. 
  
 /** 
 * TODO(developer): Uncomment the following lines before running the sample. 
 */ 
  
 // const projectId = 'my_project'; // Google Cloud Platform project 
  
 // const templateId = 'my_existing_template'; 
  
 // const memberId = 'my_member_id' 
  
 const 
  
 location 
  
 = 
  
 'us-central1' 
 ; 
  
 // Format the Template name. 
  
 const 
  
 templateName 
  
 = 
  
 datacatalog 
 . 
 tagTemplatePath 
 ( 
  
 projectId 
 , 
  
 location 
 , 
  
 templateId 
  
 ); 
  
 // Retrieve Template's current IAM Policy. 
  
 const 
  
 [ 
 getPolicyResponse 
 ] 
  
 = 
  
 await 
  
 datacatalog 
 . 
 getIamPolicy 
 ({ 
  
 resource 
 : 
  
 templateName 
 , 
  
 }); 
  
 const 
  
 policy 
  
 = 
  
 getPolicyResponse 
 ; 
  
 // Add Tag Template User role and member to the policy. 
  
 policy 
 . 
 bindings 
 . 
 push 
 ({ 
  
 role 
 : 
  
 'roles/datacatalog.tagTemplateUser' 
 , 
  
 members 
 : 
  
 [ 
 memberId 
 ], 
  
 }); 
  
 const 
  
 request 
  
 = 
  
 { 
  
 resource 
 : 
  
 templateName 
 , 
  
 policy 
 : 
  
 policy 
 , 
  
 }; 
  
 // Update Template's policy. 
  
 const 
  
 [ 
 updatePolicyResponse 
 ] 
  
 = 
  
 await 
  
 datacatalog 
 . 
 setIamPolicy 
 ( 
 request 
 ); 
  
 updatePolicyResponse 
 . 
 bindings 
 . 
 forEach 
 ( 
 binding 
  
 = 
>  
 { 
  
 console 
 . 
 log 
 ( 
 `Role: 
 ${ 
 binding 
 . 
 role 
 } 
 , Members: 
 ${ 
 binding 
 . 
 members 
 } 
 ` 
 ); 
  
 }); 
 } 
 grantTagTemplateUserRole 
 ();

    Python

    Before trying this sample, follow the Python setup instructions in the Data Catalog quickstart using client libraries . For more information, see the Data Catalog Python API reference documentation .

    To authenticate to Data Catalog, set up Application Default Credentials. For more information, see Set up authentication for a local development environment .

      from 
  
 google.cloud 
  
 import 
  datacatalog_v1 
 
 from 
  
 google.iam.v1 
  
 import 
 iam_policy_pb2 
 as 
 iam_policy 
 from 
  
 google.iam.v1 
  
 import 
 policy_pb2 
 datacatalog 
 = 
  datacatalog_v1 
 
 . 
  DataCatalogClient 
 
 () 
 # TODO: Set these values before running the sample. 
 project_id 
 = 
 "project_id" 
 tag_template_id 
 = 
 "existing_tag_template_id" 
 # For a full list of values a member can have, see: 
 # https://cloud.google.com/iam/docs/reference/rest/v1/Policy?hl=en#binding 
 member_id 
 = 
 "user:super-cool.test-user@gmail.com" 
 # For all regions available, see: 
 # https://cloud.google.com/data-catalog/docs/concepts/regions 
 location 
 = 
 "us-central1" 
 # Format the Template name. 
 template_name 
 = 
  datacatalog_v1 
 
 . 
  DataCatalogClient 
 
 . 
 tag_template_path 
 ( 
 project_id 
 , 
 location 
 , 
 tag_template_id 
 ) 
 # Retrieve Template's current IAM Policy. 
 policy 
 = 
 datacatalog 
 . 
  get_iam_policy 
 
 ( 
 resource 
 = 
 template_name 
 ) 
 # Add Tag Template User role and member to the policy. 
 binding 
 = 
 policy_pb2 
 . 
 Binding 
 () 
 binding 
 . 
 role 
 = 
 "roles/datacatalog.tagTemplateUser" 
 binding 
 . 
 members 
 . 
 append 
 ( 
 member_id 
 ) 
 policy 
 . 
 bindings 
 . 
 append 
 ( 
 binding 
 ) 
 set_policy_request 
 = 
 iam_policy 
 . 
 SetIamPolicyRequest 
 ( 
 resource 
 = 
 template_name 
 , 
 policy 
 = 
 policy 
 ) 
 # Update Template's policy. 
 policy 
 = 
 datacatalog 
 . 
  set_iam_policy 
 
 ( 
 set_policy_request 
 ) 
 for 
 binding 
 in 
 policy 
 . 
 bindings 
 : 
 for 
 member 
 in 
 binding 
 . 
 members 
 : 
 print 
 ( 
 f 
 "Member: 
 { 
 member 
 } 
 , Role: 
 { 
 binding 
 . 
 role 
 } 
 " 
 )

    REST & CMD LINE

    REST

    If you do not have access to Cloud Client libraries for your language or want to test the API using REST requests, see the following examples and refer to the Data Catalog REST API documentation.

    Before using any of the request data, make the following replacements:

    • project-id : Google Cloud project ID
    • template-id : the tag template ID

    HTTP method and URL:

    POST https://datacatalog.googleapis.com/v1/projects/ project-id 
/locations/ region 
/tagTemplates/ template-id 
:setIamPolicy

    Request JSON body:

    {
  "policy":{
    "bindings":[
      {
        "role":"roles/datacatalog.tagTemplateUser",
        "members":[
          "user:username@gmail.com"
        ]
      }
    ]
  }
}

    To send your request, expand one of these options:

    You should receive a JSON response similar to the following:

    {
  "version":1,
  "etag":"xxxxx.....",
  "bindings":[
    {
      "role":"roles/datacatalog.tagTemplateUser",
      "members":[
        "user:username@gmail.com"
      ]
    }
  ]
}
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