Github user srdo commented on a diff in the pull request:
https://github.com/apache/storm/pull/1642#discussion_r77143604
--- Diff:
storm-core/src/jvm/org/apache/storm/daemon/supervisor/AdvancedFSOps.java ---
@@ -0,0 +1,314 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF 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.apache.storm.daemon.supervisor;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+import java.nio.file.attribute.PosixFilePermission;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.storm.Config;
+import org.apache.storm.utils.Utils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class AdvancedFSOps {
+ private static final Logger LOG =
LoggerFactory.getLogger(AdvancedFSOps.class);
+
+ /**
+ * Factory to create a new AdvancedFSOps
+ * @param conf the configuration of the process
+ * @return the appropriate instance of the class for this config and
environment.
+ */
+ public static AdvancedFSOps make(Map<String, Object> conf) {
+ if (Utils.isOnWindows()) {
+ return new AdvancedWindowsFSOps(conf);
+ }
+ if
(Utils.getBoolean(conf.get(Config.SUPERVISOR_RUN_WORKER_AS_USER), false)) {
+ return new AdvancedRunAsUserFSOps(conf);
+ }
+ return new AdvancedFSOps();
+ }
+
+ private static class AdvancedRunAsUserFSOps extends AdvancedFSOps {
+ private final Map<String, Object> _conf;
+
+ public AdvancedRunAsUserFSOps(Map<String, Object> conf) {
+ if (Utils.isOnWindows()) {
+ throw new UnsupportedOperationException("ERROR: Windows
doesn't support running workers as different users yet");
+ }
+ _conf = conf;
+ }
+
+ @Override
+ public void setupBlobPermissions(File path, String user) throws
IOException {
+ String logPrefix = "setup blob permissions for " + path;
+ SupervisorUtils.processLauncherAndWait(_conf, user,
Arrays.asList("blob", path.toString()), null, logPrefix);
+ }
+
+ @Override
+ public void deleteIfExists(File path, String user, String
logPrefix) throws IOException {
+ String absolutePath = path.getAbsolutePath();
+ LOG.info("Deleting path {}", absolutePath);
+ if (user == null) {
+ user = Files.getOwner(path.toPath()).getName();
+ }
+ List<String> commands = new ArrayList<>();
+ commands.add("rmr");
+ commands.add(absolutePath);
+ SupervisorUtils.processLauncherAndWait(_conf, user, commands,
null, logPrefix);
+ if (Utils.checkFileExists(absolutePath)) {
+ throw new RuntimeException(path + " was not deleted.");
+ }
+ }
+
+ @Override
+ public void setupStormCodeDir(Map<String, Object> topologyConf,
File path) throws IOException {
+ SupervisorUtils.setupStormCodeDir(_conf, topologyConf,
path.getCanonicalPath());
+ }
+ }
+
+ /**
+ * Operations that need to override the default ones when running on
Windows
+ *
+ */
+ private static class AdvancedWindowsFSOps extends AdvancedFSOps {
+
+ public AdvancedWindowsFSOps(Map<String, Object> conf) {
+ if
(Utils.getBoolean(conf.get(Config.SUPERVISOR_RUN_WORKER_AS_USER), false)) {
+ throw new RuntimeException("ERROR: Windows doesn't support
running workers as different users yet");
+ }
+ }
+
+ @Override
+ public void restrictDirectoryPermissions(String dir) throws
IOException {
+ //NOOP, if windows gets support for run as user we will need
to find a way to suppor this
+ }
+
+ @Override
+ public void moveDriectoryPreferAtomic(File fromDir, File toDir)
throws IOException {
--- End diff --
This function name is misspelled
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