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Subject: [48/50] [abbrv] hadoop git commit: YARN-7856. Validate Node Attributes from NM. Contributed by Weiwe
From: naganarasimha_gr () apache ! org
Date: 2018-04-28 12:51:47
Message-ID: 5270fe9f0c4b4fbb93a8f5cc13fecae8 () git ! apache ! org
[Download RAW message or body]
YARN-7856. Validate Node Attributes from NM. Contributed by Weiwei Yang.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ebb4b6e9
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ebb4b6e9
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ebb4b6e9
Branch: refs/heads/YARN-3409
Commit: ebb4b6e90cc443b7be82fe05a481157e8ecdd27e
Parents: 9a1f1bf
Author: Sunil G <sunilg@apache.org>
Authored: Tue Feb 27 08:15:42 2018 +0530
Committer: Naganarasimha <naganarasimha_gr@apache.org>
Committed: Sat Apr 28 19:36:02 2018 +0800
----------------------------------------------------------------------
.../hadoop/yarn/api/records/NodeAttribute.java | 2 ++
.../hadoop/yarn/nodelabels/NodeLabelUtil.java | 31 ++++++++++++++++++++
.../ScriptBasedNodeAttributesProvider.java | 25 ++++++++++++++--
.../TestScriptBasedNodeAttributesProvider.java | 27 +++++++++++++++++
4 files changed, 83 insertions(+), 2 deletions(-)
----------------------------------------------------------------------
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ebb4b6e9/hadoop-yarn-project/hadoop \
-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeAttribute.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeAttribute.java \
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeAttribute.java
index 01c70b2..4f6846b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeAttribute.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/NodeAttribute.java
@@ -46,6 +46,8 @@ import org.apache.hadoop.yarn.util.Records;
public abstract class NodeAttribute {
public static final String DEFAULT_PREFIX = "";
+ public static final String PREFIX_DISTRIBUTED = "nm.yarn.io";
+ public static final String PREFIX_CENTRALIZED = "rm.yarn.io";
public static NodeAttribute newInstance(String attributeName,
NodeAttributeType attributeType, String attributeValue) {
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ebb4b6e9/hadoop-yarn-project/hadoop \
-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java \
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java
index d918712..fdfd0ce 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/nodelabels/NodeLabelUtil.java
@@ -17,7 +17,11 @@
*/
package org.apache.hadoop.yarn.nodelabels;
+import com.google.common.base.Strings;
+import org.apache.hadoop.yarn.api.records.NodeAttribute;
+
import java.io.IOException;
+import java.util.Set;
import java.util.regex.Pattern;
/**
@@ -94,4 +98,31 @@ public final class NodeLabelUtil {
+ ", now it is= " + prefix);
}
}
+
+ /**
+ * Validate if a given set of attributes are valid. Attributes could be
+ * invalid if any of following conditions is met:
+ *
+ * <ul>
+ * <li>Missing prefix: the attribute doesn't have prefix defined</li>
+ * <li>Malformed attribute prefix: the prefix is not in valid format</li>
+ * </ul>
+ * @param attributeSet
+ * @throws IOException
+ */
+ public static void validateNodeAttributes(Set<NodeAttribute> attributeSet)
+ throws IOException {
+ if (attributeSet != null && !attributeSet.isEmpty()) {
+ for (NodeAttribute nodeAttribute : attributeSet) {
+ String prefix = nodeAttribute.getAttributePrefix();
+ if (Strings.isNullOrEmpty(prefix)) {
+ throw new IOException("Attribute prefix must be set");
+ }
+ // Verify attribute prefix format.
+ checkAndThrowAttributePrefix(prefix);
+ // Verify attribute name format.
+ checkAndThrowLabelName(nodeAttribute.getAttributeName());
+ }
+ }
+ }
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ebb4b6e9/hadoop-yarn-project/hadoop \
-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/ScriptBasedNodeAttributesProvider.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nod \
emanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/ScriptBasedNodeAttributesProvider.java \
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/sr \
c/main/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/ScriptBasedNodeAttributesProvider.java
index 06771ba..4621434 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanage \
r/src/main/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/ScriptBasedNodeAttributesProvider.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanage \
r/src/main/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/ScriptBasedNodeAttributesProvider.java
@@ -20,6 +20,7 @@ package org.apache.hadoop.yarn.server.nodemanager.nodelabels;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.NodeAttribute;
import org.apache.hadoop.yarn.api.records.NodeAttributeType;
+import org.apache.hadoop.yarn.nodelabels.NodeLabelUtil;
import java.io.IOException;
import java.util.HashSet;
@@ -116,13 +117,33 @@ public class ScriptBasedNodeAttributesProvider extends \
NodeAttributesProvider{ + NODE_ATTRIBUTE_DELIMITER + "ATTRIBUTE_VALUE; but get "
+ nodeAttribute);
}
+ // Automatically setup prefix for collected attributes
NodeAttribute na = NodeAttribute
- .newInstance(attributeStrs[0],
+ .newInstance(NodeAttribute.PREFIX_DISTRIBUTED,
+ attributeStrs[0],
NodeAttributeType.valueOf(attributeStrs[1]),
attributeStrs[2]);
- attributeSet.add(na);
+
+ // Since a NodeAttribute is identical with another one as long as
+ // their prefix and name are same, to avoid attributes getting
+ // overwritten by ambiguous attribute, make sure it fails in such
+ // case.
+ if (!attributeSet.add(na)) {
+ throw new IOException("Ambiguous node attribute is found: "
+ + na.toString() + ", a same attribute already exists");
+ }
}
}
+
+ // Before updating the attributes to the provider,
+ // verify if they are valid
+ try {
+ NodeLabelUtil.validateNodeAttributes(attributeSet);
+ } catch (IOException e) {
+ throw new IOException("Node attributes collected by the script "
+ + "contains some invalidate entries. Detail message: "
+ + e.getMessage());
+ }
return attributeSet;
}
}
http://git-wip-us.apache.org/repos/asf/hadoop/blob/ebb4b6e9/hadoop-yarn-project/hadoop \
-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/TestScriptBasedNodeAttributesProvider.java
----------------------------------------------------------------------
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nod \
emanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/TestScriptBasedNodeAttributesProvider.java \
b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/sr \
c/test/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/TestScriptBasedNodeAttributesProvider.java
index 58d2d20..f764626 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanage \
r/src/test/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/TestScriptBasedNodeAttributesProvider.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanage \
r/src/test/java/org/apache/hadoop/yarn/server/nodemanager/nodelabels/TestScriptBasedNodeAttributesProvider.java
@@ -220,4 +220,31 @@ public class TestScriptBasedNodeAttributesProvider {
}
}, 500, 3000);
}
+
+ @Test
+ public void testNodeAttributesValidation() throws Exception{
+ // Script output contains ambiguous node attributes
+ String scriptContent = "echo NODE_ATTRIBUTE:host,STRING,host1234\n "
+ + "echo NODE_ATTRIBUTE:host,STRING,host2345\n "
+ + "echo NODE_ATTRIBUTE:ip,STRING,10.0.0.1";
+
+ writeNodeAttributeScriptFile(scriptContent, true);
+
+ nodeAttributesProvider.init(getConfForNodeAttributeScript());
+ nodeAttributesProvider.start();
+
+ // There should be no attributes found, and we should
+ // see Malformed output warnings in the log
+ try {
+ GenericTestUtils
+ .waitFor(() -> nodeAttributesProvider
+ .getDescriptors().size() == 3,
+ 500, 3000);
+ Assert.fail("This test should timeout because the provide is unable"
+ + " to parse any attributes from the script output.");
+ } catch (TimeoutException e) {
+ Assert.assertEquals(0, nodeAttributesProvider
+ .getDescriptors().size());
+ }
+ }
}
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