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YARN-5567. Fix script exit code checking in NodeHealthScriptRunner#reportHealthStatus. (Yufei Gu via rchiang)

This commit is contained in:
Ray Chiang 2016-08-29 15:55:33 -07:00
parent 8b57be108f
commit 05ede00386
2 changed files with 9 additions and 1 deletions
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3
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/NodeHealthScriptRunner.java
View File

@ -106,6 +106,7 @@ public class NodeHealthScriptRunner extends AbstractService {
shexec.execute();
} catch (ExitCodeException e) {
// ignore the exit code of the script
exceptionStackTrace = StringUtils.stringifyException(e);
status = HealthCheckerExitStatus.FAILED_WITH_EXIT_CODE;
// On Windows, we will not hit the Stream closed IOException
// thrown by stdout buffered reader for timeout event.
@ -162,7 +163,7 @@ public class NodeHealthScriptRunner extends AbstractService {
setHealthStatus(false, exceptionStackTrace);
break;
case FAILED_WITH_EXIT_CODE:
setHealthStatus(true, "", now);
setHealthStatus(false, exceptionStackTrace);
break;
case FAILED:
setHealthStatus(false, shexec.getOutput());

7
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestNodeHealthScriptRunner.java
View File

@ -91,6 +91,7 @@ public class TestNodeHealthScriptRunner {
public void testNodeHealthScript() throws Exception {
String errorScript = "echo ERROR\n echo \"Tracker not healthy\"";
String normalScript = "echo \"I am all fine\"";
String failWithExitCodeScript = "echo \"Not healthy\"; exit -1";
String timeOutScript =
Shell.WINDOWS ? "@echo off\nping -n 4 127.0.0.1 >nul\necho \"I am fine\""
: "sleep 4\necho \"I am fine\"";
@ -124,6 +125,12 @@ public class TestNodeHealthScriptRunner {
nodeHealthScriptRunner.isHealthy());
Assert.assertEquals("", nodeHealthScriptRunner.getHealthReport());
// Script which fails with exit code.
writeNodeHealthScriptFile(failWithExitCodeScript, true);
timerTask.run();
Assert.assertFalse("Node health status reported healthy",
nodeHealthScriptRunner.isHealthy());
// Timeout script.
writeNodeHealthScriptFile(timeOutScript, true);
timerTask.run();