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18 package org.apache.hadoop.hbase.client;
19
20 import static org.junit.Assert.assertEquals;
21
22 import java.io.IOException;
23
24 import org.apache.commons.logging.Log;
25 import org.apache.commons.logging.LogFactory;
26 import org.apache.hadoop.hbase.HBaseTestingUtility;
27 import org.apache.hadoop.hbase.HConstants;
28 import org.apache.hadoop.hbase.testclassification.LargeTests;
29 import org.apache.hadoop.hbase.NamespaceDescriptor;
30 import org.apache.hadoop.hbase.NamespaceNotFoundException;
31 import org.apache.hadoop.hbase.TableName;
32 import org.apache.hadoop.hbase.master.snapshot.SnapshotManager;
33 import org.apache.hadoop.hbase.snapshot.SnapshotDoesNotExistException;
34 import org.apache.hadoop.hbase.snapshot.SnapshotTestingUtils;
35 import org.apache.hadoop.hbase.util.Bytes;
36 import org.junit.After;
37 import org.junit.AfterClass;
38 import org.junit.Before;
39 import org.junit.BeforeClass;
40 import org.junit.Test;
41 import org.junit.experimental.categories.Category;
42
43
44
45
46 @Category(LargeTests.class)
47 public class TestCloneSnapshotFromClient {
48 final Log LOG = LogFactory.getLog(getClass());
49
50 private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();
51
52 private final byte[] FAMILY = Bytes.toBytes("cf");
53
54 private byte[] emptySnapshot;
55 private byte[] snapshotName0;
56 private byte[] snapshotName1;
57 private byte[] snapshotName2;
58 private int snapshot0Rows;
59 private int snapshot1Rows;
60 private TableName tableName;
61 private HBaseAdmin admin;
62
63 @BeforeClass
64 public static void setUpBeforeClass() throws Exception {
65 TEST_UTIL.getConfiguration().setBoolean(SnapshotManager.HBASE_SNAPSHOT_ENABLED, true);
66 TEST_UTIL.getConfiguration().setBoolean("hbase.online.schema.update.enable", true);
67 TEST_UTIL.getConfiguration().setInt("hbase.hstore.compactionThreshold", 10);
68 TEST_UTIL.getConfiguration().setInt("hbase.regionserver.msginterval", 100);
69 TEST_UTIL.getConfiguration().setInt("hbase.client.pause", 250);
70 TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, 6);
71 TEST_UTIL.getConfiguration().setBoolean(
72 "hbase.master.enabletable.roundrobin", true);
73 TEST_UTIL.startMiniCluster(3);
74 }
75
76 @AfterClass
77 public static void tearDownAfterClass() throws Exception {
78 TEST_UTIL.shutdownMiniCluster();
79 }
80
81
82
83
84
85
86 @Before
87 public void setup() throws Exception {
88 this.admin = TEST_UTIL.getHBaseAdmin();
89
90 long tid = System.currentTimeMillis();
91 tableName = TableName.valueOf("testtb-" + tid);
92 emptySnapshot = Bytes.toBytes("emptySnaptb-" + tid);
93 snapshotName0 = Bytes.toBytes("snaptb0-" + tid);
94 snapshotName1 = Bytes.toBytes("snaptb1-" + tid);
95 snapshotName2 = Bytes.toBytes("snaptb2-" + tid);
96
97
98 SnapshotTestingUtils.createTable(TEST_UTIL, tableName, FAMILY);
99 admin.disableTable(tableName);
100
101
102 admin.snapshot(emptySnapshot, tableName);
103
104 HTable table = new HTable(TEST_UTIL.getConfiguration(), tableName);
105 try {
106
107 admin.enableTable(tableName);
108 SnapshotTestingUtils.loadData(TEST_UTIL, table, 500, FAMILY);
109 snapshot0Rows = TEST_UTIL.countRows(table);
110 admin.disableTable(tableName);
111
112
113 admin.snapshot(snapshotName0, tableName);
114
115
116 admin.enableTable(tableName);
117 SnapshotTestingUtils.loadData(TEST_UTIL, table, 500, FAMILY);
118 snapshot1Rows = TEST_UTIL.countRows(table);
119 admin.disableTable(tableName);
120
121
122 admin.snapshot(snapshotName1, tableName);
123
124
125 admin.enableTable(tableName);
126 } finally {
127 table.close();
128 }
129 }
130
131 @After
132 public void tearDown() throws Exception {
133 if (admin.tableExists(tableName)) {
134 TEST_UTIL.deleteTable(tableName);
135 }
136 SnapshotTestingUtils.deleteAllSnapshots(admin);
137 SnapshotTestingUtils.deleteArchiveDirectory(TEST_UTIL);
138 }
139
140 @Test(expected=SnapshotDoesNotExistException.class)
141 public void testCloneNonExistentSnapshot() throws IOException, InterruptedException {
142 String snapshotName = "random-snapshot-" + System.currentTimeMillis();
143 String tableName = "random-table-" + System.currentTimeMillis();
144 admin.cloneSnapshot(snapshotName, tableName);
145 }
146
147 @Test(expected = NamespaceNotFoundException.class)
148 public void testCloneOnMissingNamespace() throws IOException, InterruptedException {
149 TableName clonedTableName = TableName.valueOf("unknownNS:clonetb");
150 admin.cloneSnapshot(snapshotName1, clonedTableName);
151 }
152
153 @Test
154 public void testCloneSnapshot() throws IOException, InterruptedException {
155 TableName clonedTableName = TableName.valueOf("clonedtb-" + System.currentTimeMillis());
156 testCloneSnapshot(clonedTableName, snapshotName0, snapshot0Rows);
157 testCloneSnapshot(clonedTableName, snapshotName1, snapshot1Rows);
158 testCloneSnapshot(clonedTableName, emptySnapshot, 0);
159 }
160
161 private void testCloneSnapshot(final TableName tableName, final byte[] snapshotName,
162 int snapshotRows) throws IOException, InterruptedException {
163
164 admin.cloneSnapshot(snapshotName, tableName);
165 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, tableName, snapshotRows);
166
167 TEST_UTIL.deleteTable(tableName);
168 }
169
170 @Test
171 public void testCloneSnapshotCrossNamespace() throws IOException, InterruptedException {
172 String nsName = "testCloneSnapshotCrossNamespace";
173 admin.createNamespace(NamespaceDescriptor.create(nsName).build());
174 TableName clonedTableName =
175 TableName.valueOf(nsName, "clonedtb-" + System.currentTimeMillis());
176 testCloneSnapshot(clonedTableName, snapshotName0, snapshot0Rows);
177 testCloneSnapshot(clonedTableName, snapshotName1, snapshot1Rows);
178 testCloneSnapshot(clonedTableName, emptySnapshot, 0);
179 }
180
181
182
183
184 @Test
185 public void testCloneLinksAfterDelete() throws IOException, InterruptedException {
186
187 TableName clonedTableName = TableName.valueOf("clonedtb1-" + System.currentTimeMillis());
188 admin.cloneSnapshot(snapshotName0, clonedTableName);
189 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName, snapshot0Rows);
190
191
192 admin.disableTable(clonedTableName);
193 admin.snapshot(snapshotName2, clonedTableName);
194
195
196 TableName clonedTableName2 = TableName.valueOf("clonedtb2-" + System.currentTimeMillis());
197 admin.cloneSnapshot(snapshotName2, clonedTableName2);
198 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName2, snapshot0Rows);
199 admin.disableTable(clonedTableName2);
200
201
202 TEST_UTIL.deleteTable(tableName);
203 waitCleanerRun();
204
205
206 admin.enableTable(clonedTableName);
207 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName, snapshot0Rows);
208
209
210 admin.enableTable(clonedTableName2);
211 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName2, snapshot0Rows);
212 admin.disableTable(clonedTableName2);
213
214
215 TEST_UTIL.deleteTable(clonedTableName);
216 waitCleanerRun();
217
218
219 admin.enableTable(clonedTableName2);
220 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName2, snapshot0Rows);
221
222
223 TableName clonedTableName3 = TableName.valueOf("clonedtb3-" + System.currentTimeMillis());
224 admin.cloneSnapshot(snapshotName2, clonedTableName3);
225 SnapshotTestingUtils.verifyRowCount(TEST_UTIL, clonedTableName3, snapshot0Rows);
226
227
228 TEST_UTIL.deleteTable(clonedTableName2);
229 TEST_UTIL.deleteTable(clonedTableName3);
230 admin.deleteSnapshot(snapshotName2);
231 }
232
233
234
235
236
237 private void waitCleanerRun() throws InterruptedException {
238 TEST_UTIL.getMiniHBaseCluster().getMaster().getHFileCleaner().choreForTesting();
239 }
240 }