HDDS-651. Rename o3 to o3fs for Filesystem.

hadoop-common-project/hadoop-common/src/main/resources/core-default.xml

@@ -1788,19 +1788,6 @@
 </property>
 
 
-<!-- Ozone file system properties -->
-<property>
-  <name>fs.o3.impl</name>
-  <value>org.apache.hadoop.fs.ozone.OzoneFileSystem</value>
-  <description>The implementation class of the Ozone FileSystem.</description>
-</property>
-
-<property>
-  <name>fs.AbstractFileSystem.o3.impl</name>
-  <value>org.apache.hadoop.fs.ozone.OzFs</value>
-  <description>The implementation class of the OzFs AbstractFileSystem.</description>
-</property>
-
 <!-- ipc properties -->
 
 <property>

hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestCommonConfigurationFields.java

@@ -103,7 +103,7 @@ public class TestCommonConfigurationFields extends TestConfigurationFieldsBase {
     xmlPrefixToSkipCompare.add("fs.s3a.");
 
     // O3 properties are in a different subtree.
-    xmlPrefixToSkipCompare.add("fs.o3.");
+    xmlPrefixToSkipCompare.add("fs.o3fs.");
 
     //ftp properties are in a different subtree.
     // - org.apache.hadoop.fs.ftp.FTPFileSystem.

hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConsts.java

@@ -63,7 +63,10 @@ public final class OzoneConsts {
   public static final String OZONE_USER = "user";
   public static final String OZONE_REQUEST = "request";
 
-  public static final String OZONE_URI_SCHEME = "o3";
+  // Ozone File System scheme
+  public static final String OZONE_URI_SCHEME = "o3fs";
+
+  public static final String OZONE_RPC_SCHEME = "o3";
   public static final String OZONE_HTTP_SCHEME = "http";
   public static final String OZONE_URI_DELIMITER = "/";
 

hadoop-ozone/dist/src/main/compose/ozonefs/docker-config

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-CORE-SITE.XML_fs.o3.impl=org.apache.hadoop.fs.ozone.OzoneFileSystem
+CORE-SITE.XML_fs.o3fs.impl=org.apache.hadoop.fs.ozone.OzoneFileSystem
 OZONE-SITE.XML_ozone.om.address=ozoneManager
 OZONE-SITE.XML_ozone.om.http-address=ozoneManager:9874
 OZONE-SITE.XML_ozone.scm.names=scm

hadoop-ozone/dist/src/main/smoketest/ozonefs/ozonefs.robot

@@ -30,83 +30,83 @@ Create volume and bucket
     Execute             ozone sh bucket create http://ozoneManager/fstest2/bucket3
 
 Check volume from ozonefs
-    ${result} =         Execute               ozone fs -ls o3://bucket1.fstest/
+    ${result} =         Execute               ozone fs -ls o3fs://bucket1.fstest/
 
 Run ozoneFS tests
-                        Execute               ozone fs -mkdir -p o3://bucket1.fstest/testdir/deep
+                        Execute               ozone fs -mkdir -p o3fs://bucket1.fstest/testdir/deep
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain    ${result}         testdir/deep
-                        Execute               ozone fs -copyFromLocal NOTICE.txt o3://bucket1.fstest/testdir/deep/
+                        Execute               ozone fs -copyFromLocal NOTICE.txt o3fs://bucket1.fstest/testdir/deep/
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain    ${result}         NOTICE.txt
 
-                        Execute               ozone fs -put NOTICE.txt o3://bucket1.fstest/testdir/deep/PUTFILE.txt
+                        Execute               ozone fs -put NOTICE.txt o3fs://bucket1.fstest/testdir/deep/PUTFILE.txt
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain    ${result}         PUTFILE.txt
 
-    ${result} =         Execute               ozone fs -ls o3://bucket1.fstest/testdir/deep/
+    ${result} =         Execute               ozone fs -ls o3fs://bucket1.fstest/testdir/deep/
                         Should contain    ${result}         NOTICE.txt
                         Should contain    ${result}         PUTFILE.txt
 
-                        Execute               ozone fs -mv o3://bucket1.fstest/testdir/deep/NOTICE.txt o3://bucket1.fstest/testdir/deep/MOVED.TXT
+                        Execute               ozone fs -mv o3fs://bucket1.fstest/testdir/deep/NOTICE.txt o3fs://bucket1.fstest/testdir/deep/MOVED.TXT
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain    ${result}         MOVED.TXT
                         Should not contain  ${result}       NOTICE.txt
 
-                        Execute               ozone fs -mkdir -p o3://bucket1.fstest/testdir/deep/subdir1
-                        Execute               ozone fs -cp o3://bucket1.fstest/testdir/deep/MOVED.TXT o3://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
+                        Execute               ozone fs -mkdir -p o3fs://bucket1.fstest/testdir/deep/subdir1
+                        Execute               ozone fs -cp o3fs://bucket1.fstest/testdir/deep/MOVED.TXT o3fs://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain    ${result}         subdir1/NOTICE.txt
 
-    ${result} =         Execute               ozone fs -ls o3://bucket1.fstest/testdir/deep/subdir1/
+    ${result} =         Execute               ozone fs -ls o3fs://bucket1.fstest/testdir/deep/subdir1/
                         Should contain    ${result}         NOTICE.txt
 
-                        Execute               ozone fs -cat o3://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
+                        Execute               ozone fs -cat o3fs://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
                         Should not contain  ${result}       Failed
 
-                        Execute               ozone fs -rm o3://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
+                        Execute               ozone fs -rm o3fs://bucket1.fstest/testdir/deep/subdir1/NOTICE.txt
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should not contain  ${result}       NOTICE.txt
 
-    ${result} =         Execute               ozone fs -rmdir o3://bucket1.fstest/testdir/deep/subdir1/
+    ${result} =         Execute               ozone fs -rmdir o3fs://bucket1.fstest/testdir/deep/subdir1/
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should not contain  ${result}       subdir1
 
-                        Execute               ozone fs -touch o3://bucket1.fstest/testdir/TOUCHFILE.txt
+                        Execute               ozone fs -touch o3fs://bucket1.fstest/testdir/TOUCHFILE.txt
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should contain  ${result}       TOUCHFILE.txt
 
-                        Execute               ozone fs -rm -r o3://bucket1.fstest/testdir/
+                        Execute               ozone fs -rm -r o3fs://bucket1.fstest/testdir/
     ${result} =         Execute               ozone sh key list o3://ozoneManager/fstest/bucket1 | grep -v WARN | jq -r '.[].keyName'
                         Should not contain  ${result}       testdir
 
                         Execute               rm -Rf localdir1
                         Execute               mkdir localdir1
                         Execute               cp NOTICE.txt localdir1/LOCAL.txt
-                        Execute               ozone fs -mkdir -p o3://bucket1.fstest/testdir1
-                        Execute               ozone fs -copyFromLocal localdir1 o3://bucket1.fstest/testdir1/
-                        Execute               ozone fs -put NOTICE.txt o3://bucket1.fstest/testdir1/NOTICE.txt
+                        Execute               ozone fs -mkdir -p o3fs://bucket1.fstest/testdir1
+                        Execute               ozone fs -copyFromLocal localdir1 o3fs://bucket1.fstest/testdir1/
+                        Execute               ozone fs -put NOTICE.txt o3fs://bucket1.fstest/testdir1/NOTICE.txt
 
-    ${result} =         Execute               ozone fs -ls -R o3://bucket1.fstest/testdir1/
+    ${result} =         Execute               ozone fs -ls -R o3fs://bucket1.fstest/testdir1/
                         Should contain    ${result}         localdir1/LOCAL.txt
                         Should contain    ${result}         testdir1/NOTICE.txt
 
-                        Execute               ozone fs -mkdir -p o3://bucket2.fstest/testdir2
-                        Execute               ozone fs -mkdir -p o3://bucket3.fstest2/testdir3
+                        Execute               ozone fs -mkdir -p o3fs://bucket2.fstest/testdir2
+                        Execute               ozone fs -mkdir -p o3fs://bucket3.fstest2/testdir3
 
-                        Execute               ozone fs -cp o3://bucket1.fstest/testdir1/localdir1 o3://bucket2.fstest/testdir2/
+                        Execute               ozone fs -cp o3fs://bucket1.fstest/testdir1/localdir1 o3fs://bucket2.fstest/testdir2/
 
-                        Execute               ozone fs -cp o3://bucket1.fstest/testdir1/localdir1 o3://bucket3.fstest2/testdir3/
+                        Execute               ozone fs -cp o3fs://bucket1.fstest/testdir1/localdir1 o3fs://bucket3.fstest2/testdir3/
 
                         Execute               ozone sh key put o3://ozoneManager/fstest/bucket1/KEY.txt NOTICE.txt
-    ${result} =         Execute               ozone fs -ls o3://bucket1.fstest/KEY.txt
+    ${result} =         Execute               ozone fs -ls o3fs://bucket1.fstest/KEY.txt
                         Should contain    ${result}         KEY.txt
-    ${rc}  ${result} =  Run And Return Rc And Output        ozone fs -copyFromLocal NOTICE.txt o3://bucket1.fstest/KEY.txt
+    ${rc}  ${result} =  Run And Return Rc And Output        ozone fs -copyFromLocal NOTICE.txt o3fs://bucket1.fstest/KEY.txt
                         Should Be Equal As Integers     ${rc}                1
                         Should contain    ${result}         File exists
                         Execute               rm -Rf GET.txt
-                        Execute               ozone fs -get o3://bucket1.fstest/KEY.txt GET.txt
+                        Execute               ozone fs -get o3fs://bucket1.fstest/KEY.txt GET.txt
                         Execute               ls -l GET.txt
-    ${rc}  ${result} =  Run And Return Rc And Output        ozone fs -ls o3://abcde.pqrs/
+    ${rc}  ${result} =  Run And Return Rc And Output        ozone fs -ls o3fs://abcde.pqrs/
                         Should Be Equal As Integers     ${rc}                1
                         Should contain    ${result}         VOLUME_NOT_FOUND

hadoop-ozone/docs/content/OzoneFS.md

@@ -42,16 +42,16 @@ Please add the following entry to the core-site.xml.
 
 {{< highlight xml >}}
 <property>
-  <name>fs.o3.impl</name>
+  <name>fs.o3fs.impl</name>
   <value>org.apache.hadoop.fs.ozone.OzoneFileSystem</value>
 </property>
 <property>
   <name>fs.defaultFS</name>
-  <value>o3://localhost:9864/volume/bucket</value>
+  <value>o3fs://localhost:9864/volume/bucket</value>
 </property>
 {{< /highlight >}}
 
-This will make this bucket to be the default file system for HDFS dfs commands and register the o3 file system type..
+This will make this bucket to be the default file system for HDFS dfs commands and register the o3fs file system type..
 
 You also need to add the ozone-filesystem.jar file to the classpath:
 

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/web/ozShell/Handler.java

@@ -35,7 +35,7 @@ import org.apache.hadoop.ozone.client.OzoneClientFactory;
 import org.apache.hadoop.ozone.client.rest.OzoneException;
 
 import static org.apache.hadoop.ozone.OzoneConsts.OZONE_HTTP_SCHEME;
-import static org.apache.hadoop.ozone.OzoneConsts.OZONE_URI_SCHEME;
+import static org.apache.hadoop.ozone.OzoneConsts.OZONE_RPC_SCHEME;
 import org.apache.http.client.utils.URIBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -83,7 +83,7 @@ public abstract class Handler implements Callable<Void> {
     Configuration conf = new OzoneConfiguration();
     String scheme = ozoneURI.getScheme();
     if (ozoneURI.getScheme() == null || scheme.isEmpty()) {
-      scheme = OZONE_URI_SCHEME;
+      scheme = OZONE_RPC_SCHEME;
     }
     if (scheme.equals(OZONE_HTTP_SCHEME)) {
       if (ozoneURI.getHost() != null) {
@@ -96,7 +96,7 @@ public abstract class Handler implements Callable<Void> {
       } else {
         client = OzoneClientFactory.getRestClient(conf);
       }
-    } else if (scheme.equals(OZONE_URI_SCHEME)) {
+    } else if (scheme.equals(OZONE_RPC_SCHEME)) {
       if (ozoneURI.getHost() != null) {
         if (ozoneURI.getPort() == -1) {
           client = OzoneClientFactory.getRpcClient(ozoneURI.getHost());

hadoop-ozone/ozonefs/src/main/java/org/apache/hadoop/fs/ozone/OzoneFileSystem.java

@@ -107,7 +107,7 @@ public class OzoneFileSystem extends FileSystem {
 
     if (!matcher.matches()) {
       throw new IllegalArgumentException("Ozone file system url should be "
-          + "in the form o3://bucket.volume");
+          + "in the form o3fs://bucket.volume");
     }
     String bucketStr = matcher.group(1);
     String volumeStr = matcher.group(2);

hadoop-ozone/ozonefs/src/test/java/org/apache/hadoop/fs/ozone/TestOzoneFileInterfaces.java

@@ -231,7 +231,7 @@ public class TestOzoneFileInterfaces {
         ozoneFs.pathToKey(new Path("key1/key2")));
 
     assertEquals("key1/key2",
-        ozoneFs.pathToKey(new Path("o3://test1/key1/key2")));
+        ozoneFs.pathToKey(new Path("o3fs://test1/key1/key2")));
   }
 
   private String getCurrentUser() {