Multi FS Support

- Reviving PR 191, to make FileSystem creation off actual path
 - Streamline all filesystem access to HoodieTableMetaClient
 - Hadoop Conf from Spark Context serialized & passed to executor code too
 - Pick up env vars prefixed with HOODIE_ENV_ into Configuration object
 - Cleanup usage of FSUtils.getFS, piggybacking off HoodieTableMetaClient.getFS
 - Adding s3a to supported schemes & support escaping "." in env vars
 - Tests use HoodieTestUtils.getDefaultHadoopConf

hoodie-cli/src/main/java/com/uber/hoodie/cli/HoodieCLI.java

@@ -17,6 +17,7 @@
 package com.uber.hoodie.cli;
 
 import com.uber.hoodie.common.table.HoodieTableMetaClient;
+import com.uber.hoodie.common.util.FSUtils;
 import java.io.IOException;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.fs.FileSystem;
@@ -36,7 +37,7 @@ public class HoodieCLI {
 
   public static boolean initConf() {
     if (HoodieCLI.conf == null) {
-      HoodieCLI.conf = new Configuration();
+      HoodieCLI.conf = FSUtils.prepareHadoopConf(new Configuration());
       return true;
     }
     return false;

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/ArchivedCommitsCommand.java

@@ -54,12 +54,14 @@ public class ArchivedCommitsCommand implements CommandMarker {
 
     System.out
         .println("===============> Showing only " + limit + " archived commits <===============");
-    FileStatus[] fsStatuses = FSUtils.getFs().globStatus(
-        new Path(HoodieCLI.tableMetadata.getBasePath() + "/.hoodie/.commits_.archive*"));
+    String basePath = HoodieCLI.tableMetadata.getBasePath();
+    FileStatus[] fsStatuses = FSUtils.getFs(basePath, HoodieCLI.conf)
+        .globStatus(new Path(basePath + "/.hoodie/.commits_.archive*"));
     List<String[]> allCommits = new ArrayList<>();
     for (FileStatus fs : fsStatuses) {
       //read the archived file
-      HoodieLogFormat.Reader reader = HoodieLogFormat.newReader(FSUtils.getFs(),
+      HoodieLogFormat.Reader reader = HoodieLogFormat
+          .newReader(FSUtils.getFs(basePath, HoodieCLI.conf),
           new HoodieLogFile(fs.getPath()), HoodieArchivedMetaEntry.getClassSchema(), false);
 
       List<IndexedRecord> readRecords = new ArrayList<>();

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/CleansCommand.java

@@ -77,7 +77,7 @@ public class CleansCommand implements CommandMarker {
   @CliCommand(value = "cleans refresh", help = "Refresh the commits")
   public String refreshCleans() throws IOException {
     HoodieTableMetaClient metadata =
-        new HoodieTableMetaClient(HoodieCLI.fs, HoodieCLI.tableMetadata.getBasePath());
+        new HoodieTableMetaClient(HoodieCLI.conf, HoodieCLI.tableMetadata.getBasePath());
     HoodieCLI.setTableMetadata(metadata);
     return "Metadata for table " + metadata.getTableConfig().getTableName() + " refreshed.";
   }

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/CommitsCommand.java

@@ -96,7 +96,7 @@ public class CommitsCommand implements CommandMarker {
   @CliCommand(value = "commits refresh", help = "Refresh the commits")
   public String refreshCommits() throws IOException {
     HoodieTableMetaClient metadata =
-        new HoodieTableMetaClient(HoodieCLI.fs, HoodieCLI.tableMetadata.getBasePath());
+        new HoodieTableMetaClient(HoodieCLI.conf, HoodieCLI.tableMetadata.getBasePath());
     HoodieCLI.setTableMetadata(metadata);
     return "Metadata for table " + metadata.getTableConfig().getTableName() + " refreshed.";
   }
@@ -224,14 +224,13 @@ public class CommitsCommand implements CommandMarker {
   public String compareCommits(
       @CliOption(key = {"path"}, help = "Path of the dataset to compare to")
       final String path) throws Exception {
-    HoodieTableMetaClient target = new HoodieTableMetaClient(HoodieCLI.fs, path);
+
+    HoodieTableMetaClient target = new HoodieTableMetaClient(HoodieCLI.conf, path);
     HoodieTimeline targetTimeline = target.getActiveTimeline().getCommitsTimeline()
         .filterCompletedInstants();
-    ;
     HoodieTableMetaClient source = HoodieCLI.tableMetadata;
     HoodieTimeline sourceTimeline = source.getActiveTimeline().getCommitsTimeline()
         .filterCompletedInstants();
-    ;
     String targetLatestCommit =
         targetTimeline.getInstants().iterator().hasNext() ? "0"
             : targetTimeline.lastInstant().get().getTimestamp();
@@ -266,7 +265,7 @@ public class CommitsCommand implements CommandMarker {
   public String syncCommits(
       @CliOption(key = {"path"}, help = "Path of the dataset to compare to")
       final String path) throws Exception {
-    HoodieCLI.syncTableMetadata = new HoodieTableMetaClient(HoodieCLI.fs, path);
+    HoodieCLI.syncTableMetadata = new HoodieTableMetaClient(HoodieCLI.conf, path);
     HoodieCLI.state = HoodieCLI.CLIState.SYNC;
     return "Load sync state between " + HoodieCLI.tableMetadata.getTableConfig().getTableName()
         + " and " + HoodieCLI.syncTableMetadata.getTableConfig().getTableName();

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/DatasetsCommand.java

@@ -33,7 +33,7 @@ public class DatasetsCommand implements CommandMarker {
       final String path) throws IOException {
     boolean initialized = HoodieCLI.initConf();
     HoodieCLI.initFS(initialized);
-    HoodieCLI.setTableMetadata(new HoodieTableMetaClient(HoodieCLI.fs, path));
+    HoodieCLI.setTableMetadata(new HoodieTableMetaClient(HoodieCLI.conf, path));
     HoodieCLI.state = HoodieCLI.CLIState.DATASET;
     return "Metadata for table " + HoodieCLI.tableMetadata.getTableConfig().getTableName()
         + " loaded";

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/SavepointsCommand.java

@@ -138,7 +138,7 @@ public class SavepointsCommand implements CommandMarker {
   @CliCommand(value = "savepoints refresh", help = "Refresh the savepoints")
   public String refreshMetaClient() throws IOException {
     HoodieTableMetaClient metadata =
-        new HoodieTableMetaClient(HoodieCLI.fs, HoodieCLI.tableMetadata.getBasePath());
+        new HoodieTableMetaClient(HoodieCLI.conf, HoodieCLI.tableMetadata.getBasePath());
     HoodieCLI.setTableMetadata(metadata);
     return "Metadata for table " + metadata.getTableConfig().getTableName() + " refreshed.";
   }

hoodie-cli/src/main/java/com/uber/hoodie/cli/commands/SparkMain.java

@@ -97,8 +97,8 @@ public class SparkMain {
       String repairedOutputPath,
       String basePath)
       throws Exception {
-    DedupeSparkJob job = new DedupeSparkJob(basePath,
-        duplicatedPartitionPath, repairedOutputPath, new SQLContext(jsc), FSUtils.getFs());
+    DedupeSparkJob job = new DedupeSparkJob(basePath, duplicatedPartitionPath, repairedOutputPath,
+        new SQLContext(jsc), FSUtils.getFs(basePath, jsc.hadoopConfiguration()));
     job.fixDuplicates(true);
     return 0;
   }

hoodie-cli/src/main/java/com/uber/hoodie/cli/utils/SparkUtil.java

@@ -18,6 +18,7 @@ package com.uber.hoodie.cli.utils;
 
 import com.uber.hoodie.HoodieWriteClient;
 import com.uber.hoodie.cli.commands.SparkMain;
+import com.uber.hoodie.common.util.FSUtils;
 import java.io.File;
 import java.net.URISyntaxException;
 import org.apache.log4j.Logger;
@@ -66,6 +67,7 @@ public class SparkUtil {
     sparkConf = HoodieWriteClient.registerClasses(sparkConf);
     JavaSparkContext jsc = new JavaSparkContext(sparkConf);
     jsc.hadoopConfiguration().setBoolean("parquet.enable.summary-metadata", false);
+    FSUtils.prepareHadoopConf(jsc.hadoopConfiguration());
     return jsc;
   }
 }