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MINOR: Deduplicating ConsumerGroupCommand print formating (#14610) 

ConsumerGroupCommand contains code duplications for table row format.
This PR reduces code duplication and make it more clear and easy to understand.

Reviewers: Luke Chen <showuon@gmail.com>, hudeqi <1217150961@qq.com>
pull/13873/merge
Nikolay 11 months ago committed by GitHub
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1 changed files with 22 additions and 14 deletions
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  1. 36
      core/src/main/scala/kafka/admin/ConsumerGroupCommand.scala

36
core/src/main/scala/kafka/admin/ConsumerGroupCommand.scala
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@ -110,13 +110,14 @@ object ConsumerGroupCommand extends Logging { @@ -110,13 +110,14 @@ object ConsumerGroupCommand extends Logging {
}
def printOffsetsToReset(groupAssignmentsToReset: Map[String, Map[TopicPartition, OffsetAndMetadata]]): Unit = {
val format = "%-30s %-30s %-10s %-15s"
if (groupAssignmentsToReset.nonEmpty)
println("\n%-30s %-30s %-10s %-15s".format("GROUP", "TOPIC", "PARTITION", "NEW-OFFSET"))
println("\n" + format.format("GROUP", "TOPIC", "PARTITION", "NEW-OFFSET"))
for {
(groupId, assignment) <- groupAssignmentsToReset
(consumerAssignment, offsetAndMetadata) <- assignment
} {
println("%-30s %-30s %-10s %-15s".format(
println(format.format(
groupId,
consumerAssignment.topic,
consumerAssignment.partition,
@ -217,9 +218,10 @@ object ConsumerGroupCommand extends Logging { @@ -217,9 +218,10 @@ object ConsumerGroupCommand extends Logging {
for ((groupId, _) <- groupsAndStates) {
maxGroupLen = Math.max(maxGroupLen, groupId.length)
}
println(s"%${-maxGroupLen}s %s".format("GROUP", "STATE"))
val format = s"%${-maxGroupLen}s %s"
println(format.format("GROUP", "STATE"))
for ((groupId, state) <- groupsAndStates) {
println(s"%${-maxGroupLen}s %s".format(groupId, state))
println(format.format(groupId, state))
}
}
@ -264,14 +266,15 @@ object ConsumerGroupCommand extends Logging { @@ -264,14 +266,15 @@ object ConsumerGroupCommand extends Logging {
}
}
println(s"\n%${-maxGroupLen}s %${-maxTopicLen}s %-10s %-15s %-15s %-15s %${-maxConsumerIdLen}s %${-maxHostLen}s %s"
val format = s"%${-maxGroupLen}s %${-maxTopicLen}s %-10s %-15s %-15s %-15s %${-maxConsumerIdLen}s %${-maxHostLen}s %s"
println("\n" + format
.format("GROUP", "TOPIC", "PARTITION", "CURRENT-OFFSET", "LOG-END-OFFSET", "LAG", "CONSUMER-ID", "HOST", "CLIENT-ID"))
assignments match {
case None => // do nothing
case Some(consumerAssignments) =>
consumerAssignments.foreach { consumerAssignment =>
println(s"%${-maxGroupLen}s %${-maxTopicLen}s %-10s %-15s %-15s %-15s %${-maxConsumerIdLen}s %${-maxHostLen}s %s".format(
println(format.format(
consumerAssignment.group,
consumerAssignment.topic.getOrElse(MISSING_COLUMN_VALUE), consumerAssignment.partition.getOrElse(MISSING_COLUMN_VALUE),
consumerAssignment.offset.getOrElse(MISSING_COLUMN_VALUE), consumerAssignment.logEndOffset.getOrElse(MISSING_COLUMN_VALUE),
@ -302,11 +305,14 @@ object ConsumerGroupCommand extends Logging { @@ -302,11 +305,14 @@ object ConsumerGroupCommand extends Logging {
}
}
val wideFormat = s"%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxGroupInstanceIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s "
val shortFormat = s"%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s "
if (includeGroupInstanceId) {
print(s"\n%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxGroupInstanceIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s "
print("\n" + wideFormat
.format("GROUP", "CONSUMER-ID", "GROUP-INSTANCE-ID", "HOST", "CLIENT-ID", "#PARTITIONS"))
} else {
print(s"\n%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s "
print("\n" + shortFormat
.format("GROUP", "CONSUMER-ID", "HOST", "CLIENT-ID", "#PARTITIONS"))
}
if (verbose)
@ -318,11 +324,11 @@ object ConsumerGroupCommand extends Logging { @@ -318,11 +324,11 @@ object ConsumerGroupCommand extends Logging {
case Some(memberAssignments) =>
memberAssignments.foreach { memberAssignment =>
if (includeGroupInstanceId) {
print(s"%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxGroupInstanceIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s ".format(
print(wideFormat.format(
memberAssignment.group, memberAssignment.consumerId, memberAssignment.groupInstanceId, memberAssignment.host,
memberAssignment.clientId, memberAssignment.numPartitions))
} else {
print(s"%${-maxGroupLen}s %${-maxConsumerIdLen}s %${-maxHostLen}s %${-maxClientIdLen}s %-15s ".format(
print(shortFormat.format(
memberAssignment.group, memberAssignment.consumerId, memberAssignment.host, memberAssignment.clientId, memberAssignment.numPartitions))
}
if (verbose) {
@ -347,8 +353,9 @@ object ConsumerGroupCommand extends Logging { @@ -347,8 +353,9 @@ object ConsumerGroupCommand extends Logging {
if (shouldPrintMemberState(groupId, Some(state.state), Some(1))) {
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%${-coordinatorColLen}s %-25s %-20s %-15s %s".format(state.group, coordinator, state.assignmentStrategy, state.state, state.numMembers))
val format = s"\n%${-coordinatorColLen}s %-25s %-20s %-15s %s"
print(format.format("GROUP", "COORDINATOR (ID)", "ASSIGNMENT-STRATEGY", "STATE", "#MEMBERS"))
print(format.format(state.group, coordinator, state.assignmentStrategy, state.state, state.numMembers))
println()
}
}
@ -525,9 +532,10 @@ object ConsumerGroupCommand extends Logging { @@ -525,9 +532,10 @@ object ConsumerGroupCommand extends Logging {
printError(s"Encounter some unknown error: $topLevelResult")
}
println("\n%-30s %-15s %-15s".format("TOPIC", "PARTITION", "STATUS"))
val format = "%-30s %-15s %-15s"
println("\n" + format.format("TOPIC", "PARTITION", "STATUS"))
partitionLevelResult.toList.sortBy(t => t._1.topic + t._1.partition.toString).foreach { case (tp, error) =>
println("%-30s %-15s %-15s".format(
println(format.format(
tp.topic,
if (tp.partition >= 0) tp.partition else "Not Provided",
if (error != null) s"Error: ${error.getMessage}" else "Successful"

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