VinceMu commented on a change in pull request #8666:
URL: https://github.com/apache/kafka/pull/8666#discussion_r435213295
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File path: core/src/main/scala/kafka/admin/ConsumerGroupCommand.scala
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@@ -291,14 +291,21 @@ object ConsumerGroupCommand extends Logging {
}
private def printStates(states: Map[String, GroupState]): Unit = {
- for ((groupId, state) <- states) {
- if (shouldPrintMemberState(groupId, Some(state.state), Some(1))) {
+ val stateProps =
states.filter{case(groupId,state)=>shouldPrintMemberState(groupId,
Some(state.state), Some(1))}
+ .map{case (_,state)=>
val coordinator =
s"${state.coordinator.host}:${state.coordinator.port}
(${state.coordinator.idString})"
- val coordinatorColLen = Math.max(25, coordinator.length)
- print(s"\n%${-coordinatorColLen}s %-25s %-20s %-15s
%s".format("GROUP", "COORDINATOR (ID)", "ASSIGNMENT-STRATEGY", "STATE",
"#MEMBERS"))
- print(s"\n%${-coordinatorColLen}s %-25s %-20s %-15s
%s".format(state.group, coordinator, state.assignmentStrategy, state.state,
state.numMembers))
- println()
+
(state.group,coordinator,state.assignmentStrategy,state.state,state.numMembers)
}
+ val hasAllGroups = opts.options.has(opts.allGroupsOpt)
+ if(stateProps.nonEmpty && hasAllGroups){
+ val headerLengthOffset =
Math.max(25,stateProps.maxBy{_._2.length}._2.length)
+ print(s"\n%${-headerLengthOffset}s %-25s %-20s %-15s
%s".format("GROUP", "COORDINATOR (ID)", "ASSIGNMENT-STRATEGY", "STATE",
"#MEMBERS"))
+ }
+ stateProps.foreach{
case(group,coordinator,assignmentStrategy,state,numMembers)=>
+ val offset = -Math.max(25,coordinator.length)
Review comment:
Thanks for that find, I've now implemented offset computation only once.
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