本文整理匯總了Java中org.apache.hadoop.fs.FileSystem.addDelegationTokens方法的典型用法代碼示例。如果您正苦於以下問題：Java FileSystem.addDelegationTokens方法的具體用法？Java FileSystem.addDelegationTokens怎麽用？Java FileSystem.addDelegationTokens使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.hadoop.fs.FileSystem的用法示例。
在下文中一共展示了FileSystem.addDelegationTokens方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: obtainTokensForNamenodesInternal
import org.apache.hadoop.fs.FileSystem; //導入方法依賴的package包/類
/**
* 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: testDelegationTokenWithFS
import org.apache.hadoop.fs.FileSystem; //導入方法依賴的package包/類
@SuppressWarnings("deprecation")
private void testDelegationTokenWithFS(Class fileSystemClass)
throws Exception {
createHttpFSServer();
Configuration conf = new Configuration();
conf.set("fs.webhdfs.impl", fileSystemClass.getName());
conf.set("fs.hdfs.impl.disable.cache", "true");
URI uri = new URI( "webhdfs://" +
TestJettyHelper.getJettyURL().toURI().getAuthority());
FileSystem fs = FileSystem.get(uri, conf);
Token<?> tokens[] = fs.addDelegationTokens("foo", null);
fs.close();
Assert.assertEquals(1, tokens.length);
fs = FileSystem.get(uri, conf);
((DelegationTokenRenewer.Renewable) fs).setDelegationToken(tokens[0]);
fs.listStatus(new Path("/"));
fs.close();
}
示例3: getDelegationToken
import org.apache.hadoop.fs.FileSystem; //導入方法依賴的package包/類
@SuppressWarnings("unchecked")
private Token<DelegationTokenIdentifier> getDelegationToken(FileSystem fs,
String renewer) throws IOException {
final Token<?> tokens[] = fs.addDelegationTokens(renewer, null);
assertEquals(1, tokens.length);
return (Token<DelegationTokenIdentifier>) tokens[0];
}