本文整理汇总了Java中org.apache.hadoop.mapred.Master类的典型用法代码示例。如果您正苦于以下问题：Java Master类的具体用法？Java Master怎么用？Java Master使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。
Master类属于org.apache.hadoop.mapred包，在下文中一共展示了Master类的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: obtainTokensForNamenodesInternal
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
/**
* get delegation token for a specific FS
* @param fs
* @param credentials
* @param p
* @param conf
* @throws IOException
*/
static void obtainTokensForNamenodesInternal(FileSystem fs,
Credentials credentials, Configuration conf) throws IOException {
String delegTokenRenewer = Master.getMasterPrincipal(conf);
if (delegTokenRenewer == null || delegTokenRenewer.length() == 0) {
throw new IOException(
"Can't get Master Kerberos principal for use as renewer");
}
mergeBinaryTokens(credentials, conf);
final Token<?> tokens[] = fs.addDelegationTokens(delegTokenRenewer,
credentials);
if (tokens != null) {
for (Token<?> token : tokens) {
LOG.info("Got dt for " + fs.getUri() + "; "+token);
}
}
}
示例2: testSingleTokenFetch
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
@Test
public void testSingleTokenFetch() throws Exception {
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/[email protected]");
String renewer = Master.getMasterPrincipal(conf);
Credentials credentials = new Credentials();
final MockFileSystem fs = new MockFileSystem();
final MockFileSystem mockFs = (MockFileSystem) fs.getRawFileSystem();
when(mockFs.getCanonicalServiceName()).thenReturn("host:0");
when(mockFs.getUri()).thenReturn(new URI("mockfs://host:0"));
Path mockPath = mock(Path.class);
when(mockPath.getFileSystem(conf)).thenReturn(mockFs);
Path[] paths = new Path[]{ mockPath, mockPath };
when(mockFs.addDelegationTokens("me", credentials)).thenReturn(null);
TokenCache.obtainTokensForNamenodesInternal(credentials, paths, conf);
verify(mockFs, times(1)).addDelegationTokens(renewer, credentials);
}
示例3: obtainTokensForNamenodesInternal
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
/**
* get delegation token for a specific FS
* @param fs
* @param credentials
* @param conf
* @throws IOException
*/
static void obtainTokensForNamenodesInternal(FileSystem fs,
Credentials credentials, Configuration conf) throws IOException {
// RM skips renewing token with empty renewer
String delegTokenRenewer = "";
if (!isTokenRenewalExcluded(fs, conf)) {
delegTokenRenewer = Master.getMasterPrincipal(conf);
if (delegTokenRenewer == null || delegTokenRenewer.length() == 0) {
throw new IOException(
"Can't get Master Kerberos principal for use as renewer");
}
}
mergeBinaryTokens(credentials, conf);
final Token<?> tokens[] = fs.addDelegationTokens(delegTokenRenewer,
credentials);
if (tokens != null) {
for (Token<?> token : tokens) {
LOG.info("Got dt for " + fs.getUri() + "; "+token);
}
}
}
示例4: obtainTokensForNamenodesInternal
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
/**
* get delegation token for a specific FS
* @param fs
* @param credentials
* @param p
* @param conf
* @throws IOException
*/
static void obtainTokensForNamenodesInternal(FileSystem fs,
Credentials credentials, Configuration conf) throws IOException {
// RM skips renewing token with empty renewer
String delegTokenRenewer = "";
if (!isTokenRenewalExcluded(fs, conf)) {
delegTokenRenewer = Master.getMasterPrincipal(conf);
if (delegTokenRenewer == null || delegTokenRenewer.length() == 0) {
throw new IOException(
"Can't get Master Kerberos principal for use as renewer");
}
}
mergeBinaryTokens(credentials, conf);
final Token<?> tokens[] = fs.addDelegationTokens(delegTokenRenewer,
credentials);
if (tokens != null) {
for (Token<?> token : tokens) {
LOG.info("Got dt for " + fs.getUri() + "; "+token);
}
}
}
示例5: testSingleTokenFetch
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
@Test
public void testSingleTokenFetch() throws Exception {
Configuration conf = new Configuration();
conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/host[email protected]");
String renewer = Master.getMasterPrincipal(conf);
Credentials credentials = new Credentials();
final MockFileSystem fs = new MockFileSystem();
final MockFileSystem mockFs = (MockFileSystem) fs.getRawFileSystem();
when(mockFs.getCanonicalServiceName()).thenReturn("host:0");
when(mockFs.getUri()).thenReturn(new URI("mockfs://host:0"));
Path mockPath = mock(Path.class);
when(mockPath.getFileSystem(conf)).thenReturn(mockFs);
Path[] paths = new Path[]{ mockPath, mockPath };
when(mockFs.addDelegationTokens("me", credentials)).thenReturn(null);
TokenCache.obtainTokensForNamenodesInternal(credentials, paths, conf);
verify(mockFs, times(1)).addDelegationTokens(renewer, credentials);
}
示例6: getDelegationTokenFromHS
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
private static Token<?> getDelegationTokenFromHS(HSClientProtocol hsProxy, Configuration conf) throws IOException {
GetDelegationTokenRequest request =
RecordFactoryProvider.getRecordFactory(null).newRecordInstance(GetDelegationTokenRequest.class);
request.setRenewer(Master.getMasterPrincipal(conf));
org.apache.hadoop.yarn.api.records.Token mrDelegationToken;
mrDelegationToken = hsProxy.getDelegationToken(request).getDelegationToken();
return ConverterUtils.convertFromYarn(mrDelegationToken, hsProxy.getConnectAddress());
}
示例7: getDelegationTokenFromHS
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
private Token<?> getDelegationTokenFromHS(HSClientProtocol hsProxy)
throws IOException, InterruptedException {
GetDelegationTokenRequest request =
recordFactory.newRecordInstance(GetDelegationTokenRequest.class);
request.setRenewer(Master.getMasterPrincipal(conf));
org.apache.hadoop.yarn.api.records.Token mrDelegationToken;
mrDelegationToken =
hsProxy.getDelegationToken(request).getDelegationToken();
return ConverterUtils.convertFromYarn(mrDelegationToken,
hsProxy.getConnectAddress());
}
示例8: setup
import org.apache.hadoop.mapred.Master; //导入依赖的package包/类
@BeforeClass
public static void setup() throws Exception {
conf = new Configuration();
conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/[email protected]");
renewer = Master.getMasterPrincipal(conf);
}