XJDKC commented on code in PR #1506:
URL: https://github.com/apache/polaris/pull/1506#discussion_r2074295034


##########
spec/polaris-management-service.yml:
##########
@@ -938,6 +940,40 @@ components:
           format: password
           description: Bearer token (input-only)
 
+    SigV4AuthenticationParameters:
+      type: object
+      description: AWS Signature Version 4 authentication
+      allOf:
+        - $ref: '#/components/schemas/AuthenticationParameters'
+      properties:
+        roleArn:
+          type: string
+          description: The aws IAM role arn assumed by polaris userArn when 
signing requests
+          example: 
"arn:aws:iam::123456789001:role/role-that-has-remote-catalog-access"
+        roleSessionName:
+          type: string
+          description: The role session name to be used by the SigV4 protocol 
for signing requests
+          example: "polaris-remote-catalog-access"
+        externalId:
+          type: string
+          description: An optional external id used to establish a trust 
relationship with AWS in the trust policy
+          example: "external-id-1234"
+        signingRegion:
+          type: string
+          description: Region to be used by the SigV4 protocol for signing 
requests
+          example: "us-west-2"
+        signingName:
+          type: string
+          description: The service name to be used by the SigV4 protocol for 
signing requests, the default signing name is "execute-api" is if not provided
+          example: "glue"
+        userArn:
+          type: string
+          description: The aws user arn used to assume the aws role, this 
represents the polaris service itself
+          example: "arn:aws:iam::123456789001:user/polaris-service-user"

Review Comment:
   > Is it not the user who invokes the Admin API to save this config? The 
caller of the API must already know the value, right?
   
   It's true if Apache Polaris is deployed in a controlled environment where 
users own both the AWS storage/AWS Glue and the Polaris servers. But not the 
case if the the polaris service is provided by another vender, e.g. Snowflake, 
Dremio. 



##########
spec/polaris-management-service.yml:
##########
@@ -938,6 +940,40 @@ components:
           format: password
           description: Bearer token (input-only)
 
+    SigV4AuthenticationParameters:
+      type: object
+      description: AWS Signature Version 4 authentication
+      allOf:
+        - $ref: '#/components/schemas/AuthenticationParameters'
+      properties:
+        roleArn:
+          type: string
+          description: The aws IAM role arn assumed by polaris userArn when 
signing requests
+          example: 
"arn:aws:iam::123456789001:role/role-that-has-remote-catalog-access"
+        roleSessionName:
+          type: string
+          description: The role session name to be used by the SigV4 protocol 
for signing requests
+          example: "polaris-remote-catalog-access"
+        externalId:
+          type: string
+          description: An optional external id used to establish a trust 
relationship with AWS in the trust policy
+          example: "external-id-1234"
+        signingRegion:
+          type: string
+          description: Region to be used by the SigV4 protocol for signing 
requests
+          example: "us-west-2"
+        signingName:
+          type: string
+          description: The service name to be used by the SigV4 protocol for 
signing requests, the default signing name is "execute-api" is if not provided
+          example: "glue"
+        userArn:
+          type: string
+          description: The aws user arn used to assume the aws role, this 
represents the polaris service itself
+          example: "arn:aws:iam::123456789001:user/polaris-service-user"

Review Comment:
   > Is it not the user who invokes the Admin API to save this config? The 
caller of the API must already know the value, right?
   
   It's true if Apache Polaris is deployed in a controlled environment where 
users own both the AWS storage/AWS Glue and the Polaris servers. But not the 
case if the polaris service is provided by another vender, e.g. Snowflake, 
Dremio. 



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