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Current state: ["DISCUSSION"]. 

Discussion thread: here

JIRA: KAFKA-1696 

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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RenewDelegationTokenRequest
 
Code Block
RenewDelegationTokenRequest => HMAC ExpiryTime
  HMAC => bytes
  ExpiryTime => INT64
 

Field

Description

HMAC

HMAC of the delegation token to be renewed

ExpiryTime
Token Expiry time in milli seconds to future date.
 
RenewDelegationTokenResponse
 
Code Block
RenewDelegationTokenResponse => ErrorCode
   ErrorCode => INT32
 
Possible Error Codes
* AuthorizationException ()
* TokenExpiredException ()
* TokenRenewerMismatchException ()
* TokenNotFoundException ()
 
ExpireTokenRequest
 
Code Block
ExpireTokenRequest => HMAC
  HMAC => bytes

 

ExpireTokenResponse
  
Code Block
ExpireTokenResponse => ErrorCode
  ErroCode => INT32

Possible Error Codes
* AuthorizationException ()

Configuration options

The following options will be added to KafkaConfig.java and can be configured as properties for Kafka server:

  1. delegation.token.max.lifetime.sec : The token has a maximum lifetime beyond which it cannot be renewed any more. Default value 7 days.
  2. delegation.token.expiry.time.sec : The token validity time in seconds before the token needs to be renewed. Default value 1 day.
  3. delegation.token.master.key : Secret/masterKey to generate and verify delegation tokens. This masterKey needs to be configured with all the brokers.

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