Github user d2r commented on a diff in the pull request:
https://github.com/apache/storm/pull/1642#discussion_r76462779
--- Diff:
storm-core/src/jvm/org/apache/storm/daemon/supervisor/AdvancedFSOps.java ---
@@ -0,0 +1,202 @@
+/**
+ * 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.IOException;
+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 mk(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 RuntimeException("ERROR: Windows doesn't support
running workers as different users yet");
--- End diff --
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