Package org.apache.hadoop.fs.FileSystemTestHelper

Examples of org.apache.hadoop.fs.FileSystemTestHelper.MockFileSystem

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    Text service2 = new Text("singleTokenFs2");
    Text myService = new Text("multiTokenFs");
    Token<?> token = mock(Token.class);
    credentials.addToken(myService, token);

    MockFileSystem fs1 = createFileSystemForServiceName(service1);
    MockFileSystem fs2 = createFileSystemForServiceName(service2);
    MockFileSystem multiFs = createFileSystemForServiceName(myService, fs1, fs2);
   
    multiFs.addDelegationTokens(renewer, credentials);
    verifyTokenFetch(multiFs, false);  // we had added its token to credentials
    verifyTokenFetch(fs1, true);
    verifyTokenFetch(fs2, true);
   
    assertEquals(3, credentials.numberOfTokens());
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    Text service4 = new Text("singleTokenFs4");
    Text multiService = new Text("multiTokenFs");
    Token<?> token2 = mock(Token.class);
    credentials.addToken(service2, token2);
   
    MockFileSystem fs1 = createFileSystemForServiceName(service1);
    MockFileSystem fs1B = createFileSystemForServiceName(service1);
    MockFileSystem fs2 = createFileSystemForServiceName(service2);
    MockFileSystem fs3 = createFileSystemForServiceName(null);
    MockFileSystem fs4 = createFileSystemForServiceName(service4);
    // now let's get dirty!  ensure dup tokens aren't fetched even when
    // repeated and dupped in a nested fs.  fs4 is a real test of the drill
    // down: multi-filter-multi-filter-filter-fs4.
    MockFileSystem multiFs = createFileSystemForServiceName(multiService,
        fs1, fs1B, fs2, fs2, new FilterFileSystem(fs3),
        new FilterFileSystem(new FilterFileSystem(fs4)));
    MockFileSystem superMultiFs = createFileSystemForServiceName(null,
        fs1, fs1B, fs1, new FilterFileSystem(fs3), new FilterFileSystem(multiFs));
    superMultiFs.addDelegationTokens(renewer, credentials);
    verifyTokenFetch(superMultiFs, false); // does not have its own token
    verifyTokenFetch(multiFs, true); // has its own token
    verifyTokenFetch(fs1, true);
    verifyTokenFetch(fs2, false); // we had added its token to credentials
    verifyTokenFetch(fs3, false); // has no tokens
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    assertNotNull(credentials.getToken(service4));
  }

  public static MockFileSystem createFileSystemForServiceName(
      final Text service, final FileSystem... children) throws IOException {
    final MockFileSystem fs = new MockFileSystem();
    final MockFileSystem mockFs = fs.getRawFileSystem();
    if (service != null) {
      when(mockFs.getCanonicalServiceName()).thenReturn(service.toString());
      when(mockFs.getDelegationToken(any(String.class))).thenAnswer(
        new Answer<Token<?>>() {
          @Override
          public Token<?> answer(InvocationOnMock invocation) throws Throwable {
            Token<?> token = new Token<TokenIdentifier>();
            token.setService(service);
            return token;
          }
        });
    }
    when(mockFs.getChildFileSystems()).thenReturn(children);
    return fs;
  }
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        new Path(System.getProperty("test.build.data","test/build/data"));
    // ick, but need fq path minus file:/
    String binaryTokenFile = FileSystem.getLocal(conf).makeQualified(
        new Path(TEST_ROOT_DIR, "tokenFile")).toUri().getPath();

    MockFileSystem fs1 = createFileSystemForServiceName("service1");
    MockFileSystem fs2 = createFileSystemForServiceName("service2");
    MockFileSystem fs3 = createFileSystemForServiceName("service3");
   
    // get the tokens for fs1 & fs2 and write out to binary creds file
    Credentials creds = new Credentials();
    Token<?> token1 = fs1.getDelegationToken(renewer);
    Token<?> token2 = fs2.getDelegationToken(renewer);
    creds.addToken(token1.getService(), token1);
    creds.addToken(token2.getService(), token2);
    // wait to set, else the obtain tokens call above will fail with FNF
    conf.set(MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY, binaryTokenFile);
    creds.writeTokenStorageFile(new Path(binaryTokenFile), conf);
   
    // re-init creds and add a newer token for fs1
    creds = new Credentials();
    Token<?> newerToken1 = fs1.getDelegationToken(renewer);
    assertNotSame(newerToken1, token1);
    creds.addToken(newerToken1.getService(), newerToken1);
    checkToken(creds, newerToken1);
   
    // get token for fs1, see that fs2's token was loaded
    TokenCache.obtainTokensForNamenodesInternal(fs1, creds, conf);
    checkToken(creds, newerToken1, token2);
   
    // get token for fs2, nothing should change since already present
    TokenCache.obtainTokensForNamenodesInternal(fs2, creds, conf);
    checkToken(creds, newerToken1, token2);
   
    // get token for fs3, should only add token for fs3
    TokenCache.obtainTokensForNamenodesInternal(fs3, creds, conf);
    Token<?> token3 = creds.getToken(new Text(fs3.getCanonicalServiceName()));
    assertTrue(token3 != null);
    checkToken(creds, newerToken1, token2, token3);
   
    // be paranoid, check one last time that nothing changes
    TokenCache.obtainTokensForNamenodesInternal(fs1, creds, conf);
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    }
  }
 
  private MockFileSystem createFileSystemForServiceName(final String service)
      throws IOException {
    MockFileSystem mockFs = new MockFileSystem();
    when(mockFs.getCanonicalServiceName()).thenReturn(service);
    when(mockFs.getDelegationToken(any(String.class))).thenAnswer(
        new Answer<Token<?>>() {
          int unique = 0;
          @Override
          public Token<?> answer(InvocationOnMock invocation) throws Throwable {
            Token<?> token = new Token<TokenIdentifier>();
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    Configuration conf = new Configuration();
    conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/host@REALM");
    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);
  }
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        new Path(System.getProperty("test.build.data","test/build/data"));
    // ick, but need fq path minus file:/
    String binaryTokenFile = FileSystem.getLocal(conf).makeQualified(
        new Path(TEST_ROOT_DIR, "tokenFile")).toUri().getPath();

    MockFileSystem fs1 = createFileSystemForServiceName("service1");
    MockFileSystem fs2 = createFileSystemForServiceName("service2");
    MockFileSystem fs3 = createFileSystemForServiceName("service3");
   
    // get the tokens for fs1 & fs2 and write out to binary creds file
    Credentials creds = new Credentials();
    Token<?> token1 = fs1.getDelegationToken(renewer);
    Token<?> token2 = fs2.getDelegationToken(renewer);
    creds.addToken(token1.getService(), token1);
    creds.addToken(token2.getService(), token2);
    // wait to set, else the obtain tokens call above will fail with FNF
    conf.set(MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY, binaryTokenFile);
    creds.writeTokenStorageFile(new Path(binaryTokenFile), conf);
   
    // re-init creds and add a newer token for fs1
    creds = new Credentials();
    Token<?> newerToken1 = fs1.getDelegationToken(renewer);
    assertNotSame(newerToken1, token1);
    creds.addToken(newerToken1.getService(), newerToken1);
    checkToken(creds, newerToken1);
   
    // get token for fs1, see that fs2's token was loaded
    TokenCache.obtainTokensForNamenodesInternal(fs1, creds, conf);
    checkToken(creds, newerToken1, token2);
   
    // get token for fs2, nothing should change since already present
    TokenCache.obtainTokensForNamenodesInternal(fs2, creds, conf);
    checkToken(creds, newerToken1, token2);
   
    // get token for fs3, should only add token for fs3
    TokenCache.obtainTokensForNamenodesInternal(fs3, creds, conf);
    Token<?> token3 = creds.getToken(new Text(fs3.getCanonicalServiceName()));
    assertTrue(token3 != null);
    checkToken(creds, newerToken1, token2, token3);
   
    // be paranoid, check one last time that nothing changes
    TokenCache.obtainTokensForNamenodesInternal(fs1, creds, conf);
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    }
  }
 
  private MockFileSystem createFileSystemForServiceName(final String service)
      throws IOException {
    MockFileSystem mockFs = new MockFileSystem();
    when(mockFs.getCanonicalServiceName()).thenReturn(service);
    when(mockFs.getDelegationToken(any(String.class))).thenAnswer(
        new Answer<Token<?>>() {
          int unique = 0;
          @Override
          public Token<?> answer(InvocationOnMock invocation) throws Throwable {
            Token<?> token = new Token<TokenIdentifier>();
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    Configuration conf = new Configuration();
    conf.set(YarnConfiguration.RM_PRINCIPAL, "mapred/host@REALM");
    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);
  }
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    String binaryTokenFile =
        FileSystem.getLocal(conf)
          .makeQualified(new Path(TEST_ROOT_DIR, "tokenFile")).toUri()
          .getPath();

    MockFileSystem fs1 = createFileSystemForServiceName("service1");
    Credentials creds = new Credentials();
    Token<?> token1 = fs1.getDelegationToken(renewer);
    creds.addToken(token1.getService(), token1);
    // wait to set, else the obtain tokens call above will fail with FNF
    conf.set(MRJobConfig.MAPREDUCE_JOB_CREDENTIALS_BINARY, binaryTokenFile);
    creds.writeTokenStorageFile(new Path(binaryTokenFile), conf);
    TokenCache.obtainTokensForNamenodesInternal(fs1, creds, conf);
    String fs_addr = fs1.getCanonicalServiceName();
    Token<?> nnt = TokenCache.getDelegationToken(creds, fs_addr);
    assertNotNull("Token for nn is null", nnt);
  }
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Related Classes of org.apache.hadoop.fs.FileSystemTestHelper.MockFileSystem

  • org.apache.hadoop.fs.TestFileSystemTokens
  • org.apache.hadoop.mapreduce.security.TestTokenCache
  • org.apache.tez.common.security.TestTokenCache
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