xintongsong commented on a change in pull request #12110:
URL: https://github.com/apache/flink/pull/12110#discussion_r424949205
##########
File path:
flink-runtime/src/main/java/org/apache/flink/runtime/util/bash/BashJavaUtils.java
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@@ -40,18 +43,28 @@
@VisibleForTesting
public static final String EXECUTION_PREFIX =
"BASH_JAVA_UTILS_EXEC_RESULT:";
- public static void main(String[] args) throws Exception {
+ private BashJavaUtils() {
+ }
+
+ public static void main(String[] args) throws FlinkException {
checkArgument(args.length > 0, "Command not specified.");
+ Command command = Command.valueOf(args[0]);
String[] commandArgs = Arrays.copyOfRange(args, 1, args.length);
+ Configuration configuration =
FlinkConfigLoader.loadConfiguration(commandArgs);
Review comment:
I'm not entirely sure about this refactor.
I'm good with always take the first argument as the command, and always
print the outputs with the prefix, because these are IMO common contract for
all the `BashJavaUtils` commands.
However, the assumption that the remaining arguments are used and only used
for generating `Configuration` may not always be true. It is only true based on
the current state with the `GET_JM/TM_RESOURCE_PARAMS` commands. This does not
cause any problem ATM, but I think it might be better to pass in the
`commandArgs` and generate `Configuration` inside `getJm/TmResourceParams`.
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