GJL commented on a change in pull request #11250: [FLINK-16302][rest]add log
list and read log by name for taskmanager
URL: https://github.com/apache/flink/pull/11250#discussion_r391808587
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskExecutor.java
##########
@@ -309,6 +311,25 @@ public TaskExecutor(
return
CompletableFuture.completedFuture(shuffleEnvironment.getPartitionsOccupyingLocalResources().isEmpty());
}
+ @Override
+ public CompletableFuture<Collection<Tuple2<String, Long>>>
requestLogList(Time timeout) {
+ final String logDir =
taskManagerConfiguration.getTaskManagerLogDir();
+ if (logDir != null) {
+ final File[] logFiles = new File(logDir).listFiles();
+
+ if (logFiles == null) {
+ return FutureUtils.completedExceptionally(
+ new FlinkException("The specific log
directory is not a valid directory."));
+ }
+
+ final List<Tuple2<String, Long>> logsWithLength =
Arrays.stream(logFiles)
+ .map(logFile -> Tuple2.of(logFile.getName(),
logFile.length()))
+ .collect(Collectors.toList());
+ return
CompletableFuture.completedFuture(logsWithLength);
+ }
+ return FutureUtils.completedExceptionally(new
FlinkException("There is no log file available on the TaskExecutor."));
Review comment:
Another reasonable behavior would be to return an empty collection. Not sure
what is better here.
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