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* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.plugins;
import org.apache.lucene.util.LuceneTestCase;
import org.elasticsearch.cli.ExitCodes;
import org.elasticsearch.cli.MockTerminal;
import org.elasticsearch.cli.UserException;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.test.ESTestCase;
import org.junit.Before;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.not;
@LuceneTestCase.SuppressFileSystems("*")
public class RemovePluginCommandTests extends ESTestCase {
private Path home;
private Environment env;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
home = createTempDir();
Files.createDirectories(home.resolve("bin"));
Files.createFile(home.resolve("bin").resolve("elasticsearch"));
Files.createDirectories(home.resolve("plugins"));
Settings settings = Settings.builder()
.put("path.home", home)
.build();
env = new Environment(settings);
}
static MockTerminal removePlugin(String name, Path home) throws Exception {
Environment env = new Environment(Settings.builder().put("path.home", home).build());
MockTerminal terminal = new MockTerminal();
new RemovePluginCommand().execute(terminal, name, env);
return terminal;
}
static void assertRemoveCleaned(Environment env) throws IOException {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(env.pluginsFile())) {
for (Path file : stream) {
if (file.getFileName().toString().startsWith(".removing")) {
fail("Removal dir still exists, " + file);
}
}
}
}
public void testMissing() throws Exception {
UserException e = expectThrows(UserException.class, () -> removePlugin("dne", home));
assertTrue(e.getMessage(), e.getMessage().contains("plugin [dne] not found"));
assertRemoveCleaned(env);
}
public void testBasic() throws Exception {
Files.createDirectory(env.pluginsFile().resolve("fake"));
Files.createFile(env.pluginsFile().resolve("fake").resolve("plugin.jar"));
Files.createDirectory(env.pluginsFile().resolve("fake").resolve("subdir"));
Files.createDirectory(env.pluginsFile().resolve("other"));
removePlugin("fake", home);
assertFalse(Files.exists(env.pluginsFile().resolve("fake")));
assertTrue(Files.exists(env.pluginsFile().resolve("other")));
assertRemoveCleaned(env);
}
public void testBin() throws Exception {
Files.createDirectories(env.pluginsFile().resolve("fake"));
Path binDir = env.binFile().resolve("fake");
Files.createDirectories(binDir);
Files.createFile(binDir.resolve("somescript"));
removePlugin("fake", home);
assertFalse(Files.exists(env.pluginsFile().resolve("fake")));
assertTrue(Files.exists(env.binFile().resolve("elasticsearch")));
assertFalse(Files.exists(binDir));
assertRemoveCleaned(env);
}
public void testBinNotDir() throws Exception {
Files.createDirectories(env.pluginsFile().resolve("elasticsearch"));
UserException e = expectThrows(UserException.class, () -> removePlugin("elasticsearch", home));
assertTrue(e.getMessage(), e.getMessage().contains("not a directory"));
assertTrue(Files.exists(env.pluginsFile().resolve("elasticsearch"))); // did not remove
assertTrue(Files.exists(env.binFile().resolve("elasticsearch")));
assertRemoveCleaned(env);
}
public void testConfigDirPreserved() throws Exception {
Files.createDirectories(env.pluginsFile().resolve("fake"));
final Path configDir = env.configFile().resolve("fake");
Files.createDirectories(configDir);
Files.createFile(configDir.resolve("fake.yml"));
final MockTerminal terminal = removePlugin("fake", home);
assertTrue(Files.exists(env.configFile().resolve("fake")));
assertThat(terminal.getOutput(), containsString(expectedConfigDirPreservedMessage(configDir)));
assertRemoveCleaned(env);
}
public void testNoConfigDirPreserved() throws Exception {
Files.createDirectories(env.pluginsFile().resolve("fake"));
final Path configDir = env.configFile().resolve("fake");
final MockTerminal terminal = removePlugin("fake", home);
assertThat(terminal.getOutput(), not(containsString(expectedConfigDirPreservedMessage(configDir))));
}
public void testRemoveUninstalledPluginErrors() throws Exception {
UserException e = expectThrows(UserException.class, () -> removePlugin("fake", home));
assertEquals(ExitCodes.CONFIG, e.exitCode);
assertEquals("plugin [fake] not found; run 'elasticsearch-plugin list' to get list of installed plugins", e.getMessage());
MockTerminal terminal = new MockTerminal();
new RemovePluginCommand() {
@Override
protected boolean addShutdownHook() {
return false;
}
}.main(new String[] { "-Epath.home=" + home, "fake" }, terminal);
try (BufferedReader reader = new BufferedReader(new StringReader(terminal.getOutput()))) {
assertEquals("-> removing [fake]...", reader.readLine());
assertEquals("ERROR: plugin [fake] not found; run 'elasticsearch-plugin list' to get list of installed plugins",
reader.readLine());
assertNull(reader.readLine());
}
}
public void testMissingPluginName() throws Exception {
UserException e = expectThrows(UserException.class, () -> removePlugin(null, home));
assertEquals(ExitCodes.USAGE, e.exitCode);
assertEquals("plugin name is required", e.getMessage());
}
public void testRemoveWhenRemovingMarker() throws Exception {
Files.createDirectory(env.pluginsFile().resolve("fake"));
Files.createFile(env.pluginsFile().resolve("fake").resolve("plugin.jar"));
Files.createFile(env.pluginsFile().resolve("fake").resolve(".removing-fake"));
removePlugin("fake", home);
}
private String expectedConfigDirPreservedMessage(final Path configDir) {
return "-> preserving plugin config files [" + configDir + "] in case of upgrade; delete manually if not needed";
}
}