YARN-5630. NM fails to start after downgrade from 2.8 to 2.7. Contributed by Jason Lowe
This commit is contained in:
Jason Lowe
parent
729de3e6b6
commit
e793309735
@ -277,21 +277,24 @@ private RecoveredContainerState loadContainerState(ContainerId containerId,
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@Override
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public void storeContainer(ContainerId containerId, int containerVersion,
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StartContainerRequest startRequest) throws IOException {
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String idStr = containerId.toString();
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if (LOG.isDebugEnabled()) {
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LOG.debug("storeContainer: containerId= " + containerId
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LOG.debug("storeContainer: containerId= " + idStr
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+ ", startRequest= " + startRequest);
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}
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String keyRequest = CONTAINERS_KEY_PREFIX + containerId.toString()
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String keyRequest = CONTAINERS_KEY_PREFIX + idStr
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+ CONTAINER_REQUEST_KEY_SUFFIX;
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String keyVersion = CONTAINERS_KEY_PREFIX + containerId.toString()
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+ CONTAINER_VERSION_KEY_SUFFIX;
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String keyVersion = getContainerVersionKey(idStr);
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try {
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WriteBatch batch = db.createWriteBatch();
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try {
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batch.put(bytes(keyRequest),
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((StartContainerRequestPBImpl) startRequest)
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.getProto().toByteArray());
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batch.put(bytes(keyVersion), bytes(Integer.toString(containerVersion)));
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if (containerVersion != 0) {
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batch.put(bytes(keyVersion),
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bytes(Integer.toString(containerVersion)));
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}
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db.write(batch);
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} finally {
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batch.close();
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@ -301,6 +304,11 @@ public void storeContainer(ContainerId containerId, int containerVersion,
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}
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}
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@VisibleForTesting
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String getContainerVersionKey(String containerId) {
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return CONTAINERS_KEY_PREFIX + containerId + CONTAINER_VERSION_KEY_SUFFIX;
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}
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@Override
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public void storeContainerQueued(ContainerId containerId) throws IOException {
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if (LOG.isDebugEnabled()) {
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@ -1222,6 +1230,11 @@ Version getCurrentVersion() {
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return CURRENT_VERSION_INFO;
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}
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@VisibleForTesting
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DB getDB() {
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return db;
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}
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/**
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* 1) Versioning scheme: major.minor. For e.g. 1.0, 1.1, 1.2...1.25, 2.0 etc.
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* 2) Any incompatible change of state-store is a major upgrade, and any
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@ -18,6 +18,7 @@
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package org.apache.hadoop.yarn.server.nodemanager.recovery;
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import static org.fusesource.leveldbjni.JniDBFactory.bytes;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertNull;
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@ -78,7 +79,6 @@
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import org.apache.hadoop.yarn.server.security.BaseContainerTokenSecretManager;
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import org.apache.hadoop.yarn.server.security.BaseNMTokenSecretManager;
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import org.apache.hadoop.yarn.server.utils.BuilderUtils;
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import org.apache.hadoop.yarn.util.ConverterUtils;
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import org.iq80.leveldb.DB;
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import org.junit.After;
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import org.junit.Assert;
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@ -226,48 +226,21 @@ public void testContainerStorage() throws IOException {
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ApplicationAttemptId appAttemptId =
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ApplicationAttemptId.newInstance(appId, 4);
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ContainerId containerId = ContainerId.newContainerId(appAttemptId, 5);
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LocalResource lrsrc = LocalResource.newInstance(
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URL.newInstance("hdfs", "somehost", 12345, "/some/path/to/rsrc"),
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LocalResourceType.FILE, LocalResourceVisibility.APPLICATION, 123L,
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1234567890L);
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Map<String, LocalResource> localResources =
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new HashMap<String, LocalResource>();
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localResources.put("rsrc", lrsrc);
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Map<String, String> env = new HashMap<String, String>();
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env.put("somevar", "someval");
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List<String> containerCmds = new ArrayList<String>();
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containerCmds.add("somecmd");
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containerCmds.add("somearg");
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Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
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serviceData.put("someservice",
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ByteBuffer.wrap(new byte[] { 0x1, 0x2, 0x3 }));
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ByteBuffer containerTokens =
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ByteBuffer.wrap(new byte[] { 0x7, 0x8, 0x9, 0xa });
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Map<ApplicationAccessType, String> acls =
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new HashMap<ApplicationAccessType, String>();
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acls.put(ApplicationAccessType.VIEW_APP, "viewuser");
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acls.put(ApplicationAccessType.MODIFY_APP, "moduser");
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ContainerLaunchContext clc = ContainerLaunchContext.newInstance(
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localResources, env, containerCmds, serviceData, containerTokens,
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acls);
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Resource containerRsrc = Resource.newInstance(1357, 3);
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ContainerTokenIdentifier containerTokenId =
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new ContainerTokenIdentifier(containerId, "host", "user",
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containerRsrc, 9876543210L, 42, 2468, Priority.newInstance(7),
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13579);
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Token containerToken = Token.newInstance(containerTokenId.getBytes(),
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ContainerTokenIdentifier.KIND.toString(), "password".getBytes(),
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"tokenservice");
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StartContainerRequest containerReq =
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StartContainerRequest.newInstance(clc, containerToken);
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StartContainerRequest containerReq = createContainerRequest(containerId);
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// store a container and verify recovered
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stateStore.storeContainer(containerId, 1, containerReq);
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stateStore.storeContainer(containerId, 0, containerReq);
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// verify the container version key is not stored for new containers
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DB db = stateStore.getDB();
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assertNull("version key present for new container", db.get(bytes(
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stateStore.getContainerVersionKey(containerId.toString()))));
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restartStateStore();
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recoveredContainers = stateStore.loadContainersState();
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assertEquals(1, recoveredContainers.size());
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RecoveredContainerState rcs = recoveredContainers.get(0);
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assertEquals(1, rcs.getVersion());
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assertEquals(0, rcs.getVersion());
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assertEquals(RecoveredContainerStatus.REQUESTED, rcs.getStatus());
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assertEquals(ContainerExitStatus.INVALID, rcs.getExitCode());
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assertEquals(false, rcs.getKilled());
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@ -368,6 +341,43 @@ public void testContainerStorage() throws IOException {
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assertTrue(recoveredContainers.isEmpty());
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}
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private StartContainerRequest createContainerRequest(
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ContainerId containerId) {
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LocalResource lrsrc = LocalResource.newInstance(
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URL.newInstance("hdfs", "somehost", 12345, "/some/path/to/rsrc"),
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LocalResourceType.FILE, LocalResourceVisibility.APPLICATION, 123L,
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1234567890L);
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Map<String, LocalResource> localResources =
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new HashMap<String, LocalResource>();
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localResources.put("rsrc", lrsrc);
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Map<String, String> env = new HashMap<String, String>();
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env.put("somevar", "someval");
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List<String> containerCmds = new ArrayList<String>();
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containerCmds.add("somecmd");
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containerCmds.add("somearg");
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Map<String, ByteBuffer> serviceData = new HashMap<String, ByteBuffer>();
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serviceData.put("someservice",
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ByteBuffer.wrap(new byte[] { 0x1, 0x2, 0x3 }));
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ByteBuffer containerTokens =
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ByteBuffer.wrap(new byte[] { 0x7, 0x8, 0x9, 0xa });
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Map<ApplicationAccessType, String> acls =
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new HashMap<ApplicationAccessType, String>();
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acls.put(ApplicationAccessType.VIEW_APP, "viewuser");
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acls.put(ApplicationAccessType.MODIFY_APP, "moduser");
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ContainerLaunchContext clc = ContainerLaunchContext.newInstance(
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localResources, env, containerCmds, serviceData, containerTokens,
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acls);
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Resource containerRsrc = Resource.newInstance(1357, 3);
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ContainerTokenIdentifier containerTokenId =
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new ContainerTokenIdentifier(containerId, "host", "user",
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containerRsrc, 9876543210L, 42, 2468, Priority.newInstance(7),
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13579);
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Token containerToken = Token.newInstance(containerTokenId.getBytes(),
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ContainerTokenIdentifier.KIND.toString(), "password".getBytes(),
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"tokenservice");
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return StartContainerRequest.newInstance(clc, containerToken);
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}
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@Test
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public void testStartResourceLocalization() throws IOException {
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String user = "somebody";
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