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20 package org.apache.hadoop.hbase.migration;
21
22 import static org.junit.Assert.assertEquals;
23 import static org.junit.Assert.assertTrue;
24 import static org.junit.Assert.assertFalse;
25
26 import java.io.File;
27 import java.io.IOException;
28 import java.util.ArrayList;
29 import java.util.List;
30
31 import org.apache.commons.logging.Log;
32 import org.apache.commons.logging.LogFactory;
33 import org.apache.hadoop.conf.Configuration;
34 import org.apache.hadoop.fs.FileSystem;
35 import org.apache.hadoop.fs.FileUtil;
36 import org.apache.hadoop.fs.FsShell;
37 import org.apache.hadoop.fs.Path;
38 import org.apache.hadoop.hbase.HBaseTestingUtility;
39 import org.apache.hadoop.hbase.HColumnDescriptor;
40 import org.apache.hadoop.hbase.HConstants;
41 import org.apache.hadoop.hbase.HRegionInfo;
42 import org.apache.hadoop.hbase.HTableDescriptor;
43 import org.apache.hadoop.hbase.testclassification.MediumTests;
44 import org.apache.hadoop.hbase.NamespaceDescriptor;
45 import org.apache.hadoop.hbase.TableName;
46 import org.apache.hadoop.hbase.Waiter;
47 import org.apache.hadoop.hbase.client.Get;
48 import org.apache.hadoop.hbase.client.HTable;
49 import org.apache.hadoop.hbase.client.Put;
50 import org.apache.hadoop.hbase.client.Result;
51 import org.apache.hadoop.hbase.client.ResultScanner;
52 import org.apache.hadoop.hbase.client.Scan;
53 import org.apache.hadoop.hbase.protobuf.generated.AdminProtos;
54 import org.apache.hadoop.hbase.regionserver.HRegion;
55 import org.apache.hadoop.hbase.regionserver.HRegionFileSystem;
56 import org.apache.hadoop.hbase.security.access.AccessControlLists;
57 import org.apache.hadoop.hbase.util.Bytes;
58 import org.apache.hadoop.hbase.util.FSTableDescriptors;
59 import org.apache.hadoop.hbase.util.FSUtils;
60 import org.apache.hadoop.util.ToolRunner;
61 import org.junit.AfterClass;
62 import org.junit.Assert;
63 import org.junit.BeforeClass;
64 import org.junit.Test;
65 import org.junit.experimental.categories.Category;
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84 @Category(MediumTests.class)
85 public class TestNamespaceUpgrade {
86 static final Log LOG = LogFactory.getLog(TestNamespaceUpgrade.class);
87 private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
88 private final static String snapshot1Keys[] =
89 {"1","10","2","3","4","5","6","7","8","9"};
90 private final static String snapshot2Keys[] =
91 {"1","2","3","4","5","6","7","8","9"};
92 private final static String currentKeys[] =
93 {"1","2","3","4","5","6","7","8","9","A"};
94 private final static String tables[] = {"data", "foo", "ns1.foo","ns.two.foo"};
95
96 @BeforeClass
97 public static void setUpBeforeClass() throws Exception {
98
99
100 TEST_UTIL.startMiniZKCluster();
101 TEST_UTIL.startMiniDFSCluster(1);
102 Path testdir = TEST_UTIL.getDataTestDir("TestNamespaceUpgrade");
103
104 File untar = untar(new File(testdir.toString()));
105
106 Configuration conf = TEST_UTIL.getConfiguration();
107 FsShell shell = new FsShell(conf);
108 FileSystem fs = FileSystem.get(conf);
109
110 Path hbaseRootDir = TEST_UTIL.getDefaultRootDirPath();
111 if (!fs.isDirectory(hbaseRootDir.getParent())) {
112
113 fs.mkdirs(hbaseRootDir.getParent());
114 }
115 if(org.apache.hadoop.util.VersionInfo.getVersion().startsWith("2.")) {
116 LOG.info("Hadoop version is 2.x, pre-migrating snapshot dir");
117 FileSystem localFS = FileSystem.getLocal(conf);
118 if(!localFS.rename(new Path(untar.toString(), HConstants.OLD_SNAPSHOT_DIR_NAME),
119 new Path(untar.toString(), HConstants.SNAPSHOT_DIR_NAME))) {
120 throw new IllegalStateException("Failed to move snapshot dir to 2.x expectation");
121 }
122 }
123 doFsCommand(shell,
124 new String [] {"-put", untar.toURI().toString(), hbaseRootDir.toString()});
125 doFsCommand(shell, new String [] {"-lsr", "/"});
126
127 Configuration toolConf = TEST_UTIL.getConfiguration();
128 conf.set(HConstants.HBASE_DIR, TEST_UTIL.getDefaultRootDirPath().toString());
129 ToolRunner.run(toolConf, new NamespaceUpgrade(), new String[]{"--upgrade"});
130 assertTrue(FSUtils.getVersion(fs, hbaseRootDir).equals(HConstants.FILE_SYSTEM_VERSION));
131 doFsCommand(shell, new String [] {"-lsr", "/"});
132 TEST_UTIL.startMiniHBaseCluster(1, 1);
133
134 for(String table: tables) {
135 int count = 0;
136 for(Result res: new HTable(TEST_UTIL.getConfiguration(), table).getScanner(new Scan())) {
137 assertEquals(currentKeys[count++], Bytes.toString(res.getRow()));
138 }
139 Assert.assertEquals(currentKeys.length, count);
140 }
141 assertEquals(2, TEST_UTIL.getHBaseAdmin().listNamespaceDescriptors().length);
142
143
144 HTable secureTable = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
145 ResultScanner scanner = secureTable.getScanner(new Scan());
146 int count = 0;
147 for(Result r : scanner) {
148 count++;
149 }
150 assertEquals(3, count);
151 assertFalse(TEST_UTIL.getHBaseAdmin().tableExists("_acl_"));
152
153
154 List<HRegion> regions = TEST_UTIL.getMiniHBaseCluster().getRegions(secureTable.getName());
155 for(HRegion region : regions) {
156 assertEquals(1, region.getStores().size());
157 }
158 }
159
160 static File untar(final File testdir) throws IOException {
161
162 final String datafile = "TestNamespaceUpgrade";
163 File srcTarFile = new File(
164 System.getProperty("project.build.testSourceDirectory", "src/test") +
165 File.separator + "data" + File.separator + datafile + ".tgz");
166 File homedir = new File(testdir.toString());
167 File tgtUntarDir = new File(homedir, "hbase");
168 if (tgtUntarDir.exists()) {
169 if (!FileUtil.fullyDelete(tgtUntarDir)) {
170 throw new IOException("Failed delete of " + tgtUntarDir.toString());
171 }
172 }
173 if (!srcTarFile.exists()) {
174 throw new IOException(srcTarFile+" does not exist");
175 }
176 LOG.info("Untarring " + srcTarFile + " into " + homedir.toString());
177 FileUtil.unTar(srcTarFile, homedir);
178 Assert.assertTrue(tgtUntarDir.exists());
179 return tgtUntarDir;
180 }
181
182 private static void doFsCommand(final FsShell shell, final String [] args)
183 throws Exception {
184
185 int errcode = shell.run(args);
186 if (errcode != 0) throw new IOException("Failed put; errcode=" + errcode);
187 }
188
189 @AfterClass
190 public static void tearDownAfterClass() throws Exception {
191 TEST_UTIL.shutdownMiniCluster();
192 }
193
194 @Test (timeout=300000)
195 public void testSnapshots() throws IOException, InterruptedException {
196 String snapshots[][] = {snapshot1Keys, snapshot2Keys};
197 for(int i = 1; i <= snapshots.length; i++) {
198 for(String table: tables) {
199 TEST_UTIL.getHBaseAdmin().cloneSnapshot(table+"_snapshot"+i, table+"_clone"+i);
200 FSUtils.logFileSystemState(FileSystem.get(TEST_UTIL.getConfiguration()),
201 FSUtils.getRootDir(TEST_UTIL.getConfiguration()),
202 LOG);
203 int count = 0;
204 for(Result res: new HTable(TEST_UTIL.getConfiguration(), table+"_clone"+i).getScanner(new
205 Scan())) {
206 assertEquals(snapshots[i-1][count++], Bytes.toString(res.getRow()));
207 }
208 Assert.assertEquals(table+"_snapshot"+i, snapshots[i-1].length, count);
209 }
210 }
211 }
212
213 @Test (timeout=300000)
214 public void testRenameUsingSnapshots() throws Exception {
215 String newNS = "newNS";
216 TEST_UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(newNS).build());
217 for(String table: tables) {
218 int count = 0;
219 for(Result res: new HTable(TEST_UTIL.getConfiguration(), table).getScanner(new
220 Scan())) {
221 assertEquals(currentKeys[count++], Bytes.toString(res.getRow()));
222 }
223 TEST_UTIL.getHBaseAdmin().snapshot(table + "_snapshot3", table);
224 final String newTableName = newNS + TableName.NAMESPACE_DELIM + table + "_clone3";
225 TEST_UTIL.getHBaseAdmin().cloneSnapshot(table + "_snapshot3", newTableName);
226 Thread.sleep(1000);
227 count = 0;
228 for(Result res: new HTable(TEST_UTIL.getConfiguration(), newTableName).getScanner(new
229 Scan())) {
230 assertEquals(currentKeys[count++], Bytes.toString(res.getRow()));
231 }
232 FSUtils.logFileSystemState(TEST_UTIL.getTestFileSystem(), TEST_UTIL.getDefaultRootDirPath()
233 , LOG);
234 Assert.assertEquals(newTableName, currentKeys.length, count);
235 TEST_UTIL.getHBaseAdmin().flush(newTableName);
236 TEST_UTIL.getHBaseAdmin().majorCompact(newTableName);
237 TEST_UTIL.waitFor(30000, new Waiter.Predicate<IOException>() {
238 @Override
239 public boolean evaluate() throws IOException {
240 try {
241 return TEST_UTIL.getHBaseAdmin().getCompactionState(newTableName) ==
242 AdminProtos.GetRegionInfoResponse.CompactionState.NONE;
243 } catch (InterruptedException e) {
244 throw new IOException(e);
245 }
246 }
247 });
248 }
249
250 String nextNS = "nextNS";
251 TEST_UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(nextNS).build());
252 for(String table: tables) {
253 String srcTable = newNS + TableName.NAMESPACE_DELIM + table + "_clone3";
254 TEST_UTIL.getHBaseAdmin().snapshot(table + "_snapshot4", srcTable);
255 String newTableName = nextNS + TableName.NAMESPACE_DELIM + table + "_clone4";
256 TEST_UTIL.getHBaseAdmin().cloneSnapshot(table+"_snapshot4", newTableName);
257 FSUtils.logFileSystemState(TEST_UTIL.getTestFileSystem(), TEST_UTIL.getDefaultRootDirPath(),
258 LOG);
259 int count = 0;
260 for(Result res: new HTable(TEST_UTIL.getConfiguration(), newTableName).getScanner(new
261 Scan())) {
262 assertEquals(currentKeys[count++], Bytes.toString(res.getRow()));
263 }
264 Assert.assertEquals(newTableName, currentKeys.length, count);
265 }
266 }
267
268 @Test (timeout=300000)
269 public void testOldDirsAreGonePostMigration() throws IOException {
270 FileSystem fs = FileSystem.get(TEST_UTIL.getConfiguration());
271 Path hbaseRootDir = TEST_UTIL.getDefaultRootDirPath();
272 List <String> dirs = new ArrayList<String>(NamespaceUpgrade.NON_USER_TABLE_DIRS);
273
274 dirs.remove(HConstants.HBCK_SIDELINEDIR_NAME);
275 dirs.remove(HConstants.SNAPSHOT_DIR_NAME);
276 dirs.remove(HConstants.HBASE_TEMP_DIRECTORY);
277 for (String dir: dirs) {
278 assertFalse(fs.exists(new Path(hbaseRootDir, dir)));
279 }
280 }
281
282 @Test (timeout=300000)
283 public void testNewDirsArePresentPostMigration() throws IOException {
284 FileSystem fs = FileSystem.get(TEST_UTIL.getConfiguration());
285
286 String [] newdirs = new String [] {HConstants.BASE_NAMESPACE_DIR,
287 HConstants.HREGION_LOGDIR_NAME};
288 Path hbaseRootDir = TEST_UTIL.getDefaultRootDirPath();
289 for (String dir: newdirs) {
290 assertTrue(dir, fs.exists(new Path(hbaseRootDir, dir)));
291 }
292 }
293
294 @Test (timeout = 300000)
295 public void testACLTableMigration() throws IOException {
296 Path rootDir = TEST_UTIL.getDataTestDirOnTestFS("testACLTable");
297 FileSystem fs = TEST_UTIL.getTestFileSystem();
298 Configuration conf = TEST_UTIL.getConfiguration();
299 byte[] FAMILY = Bytes.toBytes("l");
300 byte[] QUALIFIER = Bytes.toBytes("testUser");
301 byte[] VALUE = Bytes.toBytes("RWCA");
302
303
304 HTableDescriptor aclTable = new HTableDescriptor(TableName.valueOf("testACLTable"));
305 aclTable.addFamily(new HColumnDescriptor(FAMILY));
306 FSTableDescriptors fstd = new FSTableDescriptors(conf, fs, rootDir);
307 fstd.createTableDescriptor(aclTable);
308 HRegionInfo hriAcl = new HRegionInfo(aclTable.getTableName(), null, null);
309 HRegion region = HRegion.createHRegion(hriAcl, rootDir, conf, aclTable);
310 try {
311
312 Put p = new Put(Bytes.toBytes("-ROOT-"));
313 p.addImmutable(FAMILY, QUALIFIER, VALUE);
314 region.put(p);
315 p = new Put(Bytes.toBytes(".META."));
316 p.addImmutable(FAMILY, QUALIFIER, VALUE);
317 region.put(p);
318 p = new Put(Bytes.toBytes("_acl_"));
319 p.addImmutable(FAMILY, QUALIFIER, VALUE);
320 region.put(p);
321
322 NamespaceUpgrade upgrade = new NamespaceUpgrade();
323 upgrade.updateAcls(region);
324
325
326 Get g = new Get(Bytes.toBytes("-ROOT-"));
327 Result r = region.get(g);
328 assertTrue(r == null || r.size() == 0);
329
330
331 g = new Get(AccessControlLists.ACL_TABLE_NAME.toBytes());
332 r = region.get(g);
333 assertTrue(r != null && r.size() == 1);
334 assertTrue(Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIER)) == 0);
335
336
337 g = new Get(TableName.META_TABLE_NAME.toBytes());
338 r = region.get(g);
339 assertTrue(r != null && r.size() == 1);
340 assertTrue(Bytes.compareTo(VALUE, r.getValue(FAMILY, QUALIFIER)) == 0);
341 } finally {
342 region.close();
343
344 HRegionFileSystem.deleteRegionFromFileSystem(conf, fs,
345 FSUtils.getTableDir(rootDir, hriAcl.getTable()), hriAcl);
346 }
347 }
348 }