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YARN-4654. Yarn node label CLI should parse "=" correctly when trying to remove all labels on a node. (Naganarasimha G R via rohithsharmaks) 

(cherry picked from commit c1afac3a98)
This commit is contained in:
Rohith Sharma K S 2016-02-18 14:10:37 +05:30
parent 23b5c71729
commit d4203c9aa2
3 changed files with 48 additions and 12 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -1372,6 +1372,9 @@ Release 2.8.0 - UNRELEASED
YARN-4667. RM Admin CLI for refreshNodesResources throws NPE when nothing
is configured. (Naganarasimha G R via devaraj)
YARN-4654. Yarn node label CLI should parse "=" correctly when trying to
remove all labels on a node. (Naganarasimha G R via rohithsharmaks)
Release 2.7.3 - UNRELEASED
INCOMPATIBLE CHANGES

23
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/main/java/org/apache/hadoop/yarn/client/cli/RMAdminCLI.java
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@ -59,8 +59,8 @@
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshAdminAclsRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshClusterMaxPriorityRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshNodesResourcesRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshQueuesRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshServiceAclsRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshSuperUserGroupsConfigurationRequest;
import org.apache.hadoop.yarn.server.api.protocolrecords.RefreshUserToGroupsMappingsRequest;
@ -592,17 +592,20 @@ private Map<NodeId, Set<String>> buildNodeLabelsMapFromStr(String args) {
continue;
}
// "," also supported for compatibility
String[] splits = nodeToLabels.split("=");
int index = 0;
if (splits.length != 2) {
splits = nodeToLabels.split(",");
index = 1;
}
int labelsStartIndex = 0;
String nodeIdStr = splits[0];
if (index == 0) {
if (splits.length == 2) {
splits = splits[1].split(",");
} else if (nodeToLabels.endsWith("=")) {
//case where no labels are mapped to a node
splits = new String[0];
} else {
// "," also supported for compatibility
splits = nodeToLabels.split(",");
nodeIdStr = splits[0];
labelsStartIndex = 1;
}
Preconditions.checkArgument(!nodeIdStr.trim().isEmpty(),
@ -611,7 +614,7 @@ private Map<NodeId, Set<String>> buildNodeLabelsMapFromStr(String args) {
NodeId nodeId = ConverterUtils.toNodeIdWithDefaultPort(nodeIdStr);
map.put(nodeId, new HashSet<String>());
for (int i = index; i < splits.length; i++) {
for (int i = labelsStartIndex; i < splits.length; i++) {
if (!splits[i].trim().isEmpty()) {
map.get(nodeId).add(splits[i].trim());
}

32
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestRMAdminCLI.java
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@ -36,7 +36,9 @@
import java.io.IOException;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.ha.HAServiceProtocol;
@ -145,7 +147,20 @@ protected HAServiceTarget resolveTarget(String rmId) {
private void initDummyNodeLabelsManager() {
Configuration conf = new YarnConfiguration();
conf.setBoolean(YarnConfiguration.NODE_LABELS_ENABLED, true);
dummyNodeLabelsManager = new DummyCommonNodeLabelsManager();
dummyNodeLabelsManager = new DummyCommonNodeLabelsManager() {
@Override
public void replaceLabelsOnNode(
Map<NodeId, Set<String>> replaceLabelsToNode) throws IOException {
Iterator<NodeId> iterator = replaceLabelsToNode.keySet().iterator();
while(iterator.hasNext()) {
NodeId nodeId=iterator.next();
if(nodeId.getHost().endsWith("=")){
throw new IOException("Parsing of Input String failed");
}
}
super.replaceLabelsOnNode(replaceLabelsToNode);
}
};
dummyNodeLabelsManager.init(conf);
}
@ -712,6 +727,21 @@ public void testReplaceMultipleLabelsOnSingleNode() throws Exception {
assertTrue(0 != rmAdminCLI.run(args));
}
@Test
public void testRemoveLabelsOnNodes() throws Exception {
// Successfully replace labels
dummyNodeLabelsManager
.addToCluserNodeLabelsWithDefaultExclusivity(ImmutableSet.of("x", "y"));
String[] args = { "-replaceLabelsOnNode", "node1=x node2=y",
"-directlyAccessNodeLabelStore" };
assertTrue(0 == rmAdminCLI.run(args));
args = new String[] { "-replaceLabelsOnNode", "node1= node2=",
"-directlyAccessNodeLabelStore" };
assertTrue("Labels should get replaced even '=' is used ",
0 == rmAdminCLI.run(args));
}
private void testError(String[] args, String template,
ByteArrayOutputStream data, int resultCode) throws Exception {
int actualResultCode = rmAdminCLI.run(args);