omalley commented on a change in pull request #4081:
URL: https://github.com/apache/hadoop/pull/4081#discussion_r830253165
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeRpcServer.java
##########
@@ -59,5 +74,67 @@ public void testNamenodeRpcBindAny() throws IOException {
conf.unset(DFS_NAMENODE_RPC_BIND_HOST_KEY);
}
}
+
+ /**
+ * A test to make sure that if an authorized user adds "clientIp:" to their
+ * caller context, it will be used to make locality decisions on the NN.
+ */
+ @Test
+ public void testNamenodeRpcClientIpProxy()
+ throws InterruptedException, IOException {
+ Configuration conf = new HdfsConfiguration();
+
+ conf.set(DFS_NAMENODE_IP_PROXY_USERS, "fake_joe");
Review comment:
I could add multiple trials. Doing the math 1/3 ^ 10 = 1.7e-5 and 1/3 ^
20 = 2.9e-10, so 20 trials will bring the failure rate down to 2.9e-10. That
seems doable.
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