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https://issues.apache.org/jira/browse/HDFS-16946?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17729782#comment-17729782
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ASF GitHub Bot commented on HDFS-16946:
---------------------------------------
ayushtkn commented on code in PR #5696:
URL: https://github.com/apache/hadoop/pull/5696#discussion_r1219823209
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/security/TestRouterSecurityManager.java:
##########
@@ -259,6 +262,15 @@ private static String[] getUserGroupForTesting() {
return groupsForTesting;
}
+ @Test
+ public void testGetTopTokenRealOwners() throws Exception {
Review Comment:
this test passes only when run with the entire class, but fails if run alone
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/metrics/RBFMetrics.java:
##########
@@ -712,13 +715,21 @@ public long getCurrentTokensCount() {
@Override
public String getTopTokenRealOwners() {
- RouterSecurityManager mgr =
- this.router.getRpcServer().getRouterSecurityManager();
- if (mgr != null && mgr.getSecretManager() != null) {
- return JSON.toString(mgr.getSecretManager()
- .getTopTokenRealOwners(this.topTokenRealOwners));
+ String topTokenRealOwnersString = "";
+ RouterSecurityManager routerSecurityManager =
+ this.router.getRpcServer().getRouterSecurityManager();
+ if (routerSecurityManager == null ||
routerSecurityManager.getSecretManager() == null)
+ return topTokenRealOwnersString;
+ try {
+ List<Metrics2Util.NameValuePair> topOwners =
routerSecurityManager.getSecretManager()
+ .getTopTokenRealOwners(this.topTokenRealOwners);
+ if (!topOwners.isEmpty()) {
+ topTokenRealOwnersString = new
ObjectMapper().writeValueAsString(topOwners);
+ }
+ } catch (JsonProcessingException jpe) {
+ LOG.error("Unable to parse the top token real owners to string {}",
jpe.getMessage());
}
- return "";
+ return topTokenRealOwnersString;
Review Comment:
Can we use a method from ``JsonUtil.java``
##########
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/security/TestRouterSecurityManager.java:
##########
@@ -259,6 +262,15 @@ private static String[] getUserGroupForTesting() {
return groupsForTesting;
}
+ @Test
+ public void testGetTopTokenRealOwners() throws Exception {
+ RouterMBean bean = FederationTestUtils.getBean(
+ ROUTER_BEAN, RouterMBean.class);
+ String topTokenRealOwners = bean.getTopTokenRealOwners();
+ assertNotNull("The value of output should not be null " +
topTokenRealOwners, topTokenRealOwners);
+ assertTrue("The value contains incorrect message " + topTokenRealOwners,
!topTokenRealOwners.contains("NameValuePair"));
Review Comment:
can we assert some output which should be there post this fix rather than
what shouldn't be there?
btw. rather than ``!``, you could have used ``assertFalse``
> RBF: top real owners metrics can't been parsed json string
> ----------------------------------------------------------
>
> Key: HDFS-16946
> URL: https://issues.apache.org/jira/browse/HDFS-16946
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: rbf
> Affects Versions: 3.4.0
> Reporter: Max Xie
> Assignee: Nishtha Shah
> Priority: Minor
> Labels: pull-request-available
> Attachments: image-2023-03-09-22-24-39-833.png
>
>
> After HDFS-15447, Add top real owners metrics for delegation tokens. But the
> metrics can't been parsed json string.
> RBFMetrics$getTopTokenRealOwners method just return
> `org.apache.hadoop.metrics2.util.Metrics2Util$NameValuePair@1`
> !image-2023-03-09-22-24-39-833.png!
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