TestHistoryServerLeveldbStateStoreService.java
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.hadoop.mapreduce.v2.hs;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import java.io.File;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.v2.api.MRDelegationTokenIdentifier;
import org.apache.hadoop.mapreduce.v2.hs.HistoryServerStateStoreService.HistoryServerState;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.security.token.delegation.DelegationKey;
import org.apache.hadoop.service.ServiceStateException;
import org.apache.hadoop.yarn.server.records.Version;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
public class TestHistoryServerLeveldbStateStoreService {
private static final File testDir = new File(
System.getProperty("test.build.data",
System.getProperty("java.io.tmpdir")),
"TestHistoryServerLeveldbSystemStateStoreService");
private Configuration conf;
@BeforeEach
public void setup() {
FileUtil.fullyDelete(testDir);
testDir.mkdirs();
conf = new Configuration();
conf.setBoolean(JHAdminConfig.MR_HS_RECOVERY_ENABLE, true);
conf.setClass(JHAdminConfig.MR_HS_STATE_STORE,
HistoryServerLeveldbStateStoreService.class,
HistoryServerStateStoreService.class);
conf.set(JHAdminConfig.MR_HS_LEVELDB_STATE_STORE_PATH,
testDir.getAbsoluteFile().toString());
}
@AfterEach
public void cleanup() {
FileUtil.fullyDelete(testDir);
}
private HistoryServerStateStoreService createAndStartStore()
throws IOException {
HistoryServerStateStoreService store =
HistoryServerStateStoreServiceFactory.getStore(conf);
assertTrue(store instanceof HistoryServerLeveldbStateStoreService,
"Factory did not create a leveldb store");
store.init(conf);
store.start();
return store;
}
@Test
public void testCheckVersion() throws IOException {
HistoryServerLeveldbStateStoreService store =
new HistoryServerLeveldbStateStoreService();
store.init(conf);
store.start();
// default version
Version defaultVersion = store.getCurrentVersion();
assertEquals(defaultVersion, store.loadVersion());
// compatible version
Version compatibleVersion =
Version.newInstance(defaultVersion.getMajorVersion(),
defaultVersion.getMinorVersion() + 2);
store.dbStoreVersion(compatibleVersion);
assertEquals(compatibleVersion, store.loadVersion());
store.close();
store = new HistoryServerLeveldbStateStoreService();
store.init(conf);
store.start();
// overwrite the compatible version
assertEquals(defaultVersion, store.loadVersion());
// incompatible version
Version incompatibleVersion =
Version.newInstance(defaultVersion.getMajorVersion() + 1,
defaultVersion.getMinorVersion());
store.dbStoreVersion(incompatibleVersion);
store.close();
store = new HistoryServerLeveldbStateStoreService();
try {
store.init(conf);
store.start();
fail("Incompatible version, should have thrown before here.");
} catch (ServiceStateException e) {
assertTrue(e.getMessage().contains("Incompatible version for state:"),
"Exception message mismatch");
}
store.close();
}
@Test
public void testTokenStore() throws IOException {
HistoryServerStateStoreService store = createAndStartStore();
// verify initially the store is empty
HistoryServerState state = store.loadState();
assertTrue(state.tokenState.isEmpty(), "token state not empty");
assertTrue(state.tokenMasterKeyState.isEmpty(), "key state not empty");
// store a key and some tokens
final DelegationKey key1 = new DelegationKey(1, 2, "keyData1".getBytes());
final MRDelegationTokenIdentifier token1 =
new MRDelegationTokenIdentifier(new Text("tokenOwner1"),
new Text("tokenRenewer1"), new Text("tokenUser1"));
token1.setSequenceNumber(1);
final Long tokenDate1 = 1L;
final MRDelegationTokenIdentifier token2 =
new MRDelegationTokenIdentifier(new Text("tokenOwner2"),
new Text("tokenRenewer2"), new Text("tokenUser2"));
token2.setSequenceNumber(12345678);
final Long tokenDate2 = 87654321L;
store.storeTokenMasterKey(key1);
store.storeToken(token1, tokenDate1);
store.storeToken(token2, tokenDate2);
store.close();
// verify the key and tokens can be recovered
store = createAndStartStore();
state = store.loadState();
assertEquals(2, state.tokenState.size(), "incorrect loaded token count");
assertTrue(state.tokenState.containsKey(token1), "missing token 1");
assertEquals(tokenDate1,
state.tokenState.get(token1), "incorrect token 1 date");
assertTrue(state.tokenState.containsKey(token2), "missing token 2");
assertEquals(tokenDate2,
state.tokenState.get(token2), "incorrect token 2 date");
assertEquals(1,
state.tokenMasterKeyState.size(), "incorrect master key count");
assertTrue(state.tokenMasterKeyState.contains(key1),
"missing master key 1");
// store some more keys and tokens, remove the previous key and one
// of the tokens, and renew a previous token
final DelegationKey key2 = new DelegationKey(3, 4, "keyData2".getBytes());
final DelegationKey key3 = new DelegationKey(5, 6, "keyData3".getBytes());
final MRDelegationTokenIdentifier token3 =
new MRDelegationTokenIdentifier(new Text("tokenOwner3"),
new Text("tokenRenewer3"), new Text("tokenUser3"));
token3.setSequenceNumber(12345679);
final Long tokenDate3 = 87654321L;
store.removeToken(token1);
store.storeTokenMasterKey(key2);
final Long newTokenDate2 = 975318642L;
store.updateToken(token2, newTokenDate2);
store.removeTokenMasterKey(key1);
store.storeTokenMasterKey(key3);
store.storeToken(token3, tokenDate3);
store.close();
// verify the new keys and tokens are recovered, the removed key and
// token are no longer present, and the renewed token has the updated
// expiration date
store = createAndStartStore();
state = store.loadState();
assertEquals(2, state.tokenState.size(), "incorrect loaded token count");
assertFalse(state.tokenState.containsKey(token1), "token 1 not removed");
assertTrue(state.tokenState.containsKey(token2), "missing token 2");
assertEquals(newTokenDate2,
state.tokenState.get(token2), "incorrect token 2 date");
assertTrue(state.tokenState.containsKey(token3), "missing token 3");
assertEquals(tokenDate3,
state.tokenState.get(token3), "incorrect token 3 date");
assertEquals(2,
state.tokenMasterKeyState.size(), "incorrect master key count");
assertFalse(state.tokenMasterKeyState.contains(key1),
"master key 1 not removed");
assertTrue(state.tokenMasterKeyState.contains(key2),
"missing master key 2");
assertTrue(state.tokenMasterKeyState.contains(key3),
"missing master key 3");
store.close();
}
}