updating NarUnpacker to use multiple library directories

Project: http://git-wip-us.apache.org/repos/asf/incubator-nifi/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-nifi/commit/27573564
Tree: http://git-wip-us.apache.org/repos/asf/incubator-nifi/tree/27573564
Diff: http://git-wip-us.apache.org/repos/asf/incubator-nifi/diff/27573564

Branch: refs/heads/develop
Commit: 275735648aa97a59eee42d0b343411e01f71a7fb
Parents: b1970ec
Author: Brandon DeVries <[email protected]>
Authored: Tue Apr 7 16:18:48 2015 -0400
Committer: Brandon DeVries <[email protected]>
Committed: Tue Apr 7 16:18:48 2015 -0400

----------------------------------------------------------------------
 .../java/org/apache/nifi/nar/NarUnpacker.java   |  29 ++-
 .../org/apache/nifi/nar/NarUnpackerTest.java    | 177 +++++++++++++++++++
 .../resources/NarUnpacker/conf/nifi.properties  | 129 ++++++++++++++
 .../resources/NarUnpacker/lib/dummy-one.nar     | Bin 0 -> 1749 bytes
 .../NarUnpacker/lib/nifi-framework-nar.nar      | Bin 0 -> 406 bytes
 .../resources/NarUnpacker/lib2/dummy-two.nar    | Bin 0 -> 1751 bytes
 6 files changed, 327 insertions(+), 8 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/main/java/org/apache/nifi/nar/NarUnpacker.java
----------------------------------------------------------------------
diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/main/java/org/apache/nifi/nar/NarUnpacker.java
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/main/java/org/apache/nifi/nar/NarUnpacker.java
index 3aaf839..f05b1f8 100644
--- 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/main/java/org/apache/nifi/nar/NarUnpacker.java
+++ 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/main/java/org/apache/nifi/nar/NarUnpacker.java
@@ -25,6 +25,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.util.ArrayList;
@@ -41,7 +42,6 @@ import java.util.jar.Manifest;
 import org.apache.nifi.util.FileUtils;
 import org.apache.nifi.util.NiFiProperties;
 import org.apache.nifi.util.StringUtils;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -61,22 +61,35 @@ public final class NarUnpacker {
     };
 
     public static ExtensionMapping unpackNars(final NiFiProperties props) {
-        final File narLibraryDir = props.getNarLibraryDirectory();
+        final List<Path> narLibraryDirs = props.getNarLibraryDirectories();
         final File frameworkWorkingDir = props.getFrameworkWorkingDirectory();
         final File extensionsWorkingDir = 
props.getExtensionsWorkingDirectory();
         final File docsWorkingDir = 
props.getComponentDocumentationWorkingDirectory();
 
         try {
-            // make sure the nar directories are there and accessible
-            FileUtils.ensureDirectoryExistAndCanAccess(narLibraryDir);
+            File unpackedFramework = null;
+            final Set<File> unpackedExtensions = new HashSet<>();
+            final List<File> narFiles = new ArrayList<>();
+
+            // make sure the nar directories are there and accessible   
             FileUtils.ensureDirectoryExistAndCanAccess(frameworkWorkingDir);
             FileUtils.ensureDirectoryExistAndCanAccess(extensionsWorkingDir);
             FileUtils.ensureDirectoryExistAndCanAccess(docsWorkingDir);
 
-            File unpackedFramework = null;
-            final Set<File> unpackedExtensions = new HashSet<>();
-            final File[] narFiles = narLibraryDir.listFiles(NAR_FILTER);
-            if (narFiles != null) {
+                       for (Path narLibraryDir : narLibraryDirs) {
+                               
+                               File narDir = narLibraryDir.toFile();
+                               
FileUtils.ensureDirectoryExistAndCanAccess(narDir);
+                               
+                               File[] dirFiles = narDir.listFiles(NAR_FILTER);
+                               if (dirFiles != null){
+                                       List<File> fileList = 
Arrays.asList(dirFiles);
+                                       narFiles.addAll(fileList);
+                               }
+                       }          
+            
+            
+            if (!narFiles.isEmpty()) {
                 for (File narFile : narFiles) {
                     logger.debug("Expanding NAR file: " + 
narFile.getAbsolutePath());
 

http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/java/org/apache/nifi/nar/NarUnpackerTest.java
----------------------------------------------------------------------
diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/java/org/apache/nifi/nar/NarUnpackerTest.java
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/java/org/apache/nifi/nar/NarUnpackerTest.java
new file mode 100644
index 0000000..e44f081
--- /dev/null
+++ 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/java/org/apache/nifi/nar/NarUnpackerTest.java
@@ -0,0 +1,177 @@
+package org.apache.nifi.nar;
+
+import static java.nio.file.StandardCopyOption.REPLACE_EXISTING;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+
+import org.apache.nifi.util.NiFiProperties;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class NarUnpackerTest {
+
+       @BeforeClass
+       public static void copyResources() throws IOException {
+
+               final Path sourcePath = Paths.get("./src/test/resources");
+               final Path targetPath = Paths.get("./target");
+               
+               Files.walkFileTree(sourcePath, new SimpleFileVisitor<Path>() {
+
+                       @Override
+                       public FileVisitResult preVisitDirectory(Path dir, 
BasicFileAttributes attrs) throws IOException {
+
+                               Path relativeSource = 
sourcePath.relativize(dir);
+                               Path target = 
targetPath.resolve(relativeSource);
+
+                               Files.createDirectories(target);
+
+                               return FileVisitResult.CONTINUE;
+
+                       }
+
+                       @Override
+                       public FileVisitResult visitFile(Path file, 
BasicFileAttributes attrs) throws IOException {
+
+                               Path relativeSource = 
sourcePath.relativize(file);
+                               Path target = 
targetPath.resolve(relativeSource);
+
+                               Files.copy(file, target, REPLACE_EXISTING);
+
+                               return FileVisitResult.CONTINUE;
+                       }
+               });
+       }
+
+       @Test
+       public void testUnpackNars() {
+
+               NiFiProperties properties = 
loadSpecifiedProperties("/NarUnpacker/conf/nifi.properties");
+
+               assertEquals("./target/NarUnpacker/lib/", 
properties.getProperty("nifi.nar.library.directory"));
+               assertEquals("./target/NarUnpacker/lib2/", 
properties.getProperty("nifi.nar.library.directory.alt"));
+
+               final ExtensionMapping extensionMapping = 
NarUnpacker.unpackNars(properties);
+
+               assertEquals(2,extensionMapping.getAllExtensionNames().size());
+
+               
assertTrue(extensionMapping.getAllExtensionNames().contains("org.apache.nifi.processors.dummy.one"));
+               
assertTrue(extensionMapping.getAllExtensionNames().contains("org.apache.nifi.processors.dummy.two"));
+
+               final File extensionsWorkingDir = 
properties.getExtensionsWorkingDirectory();
+               File[] extensionFiles = extensionsWorkingDir.listFiles();
+               
+               assertEquals(2,extensionFiles.length);
+               assertEquals("dummy-one.nar-unpacked", 
extensionFiles[0].getName());
+               assertEquals("dummy-two.nar-unpacked", 
extensionFiles[1].getName());
+       }
+
+       @Test
+       public void testUnpackNarsFromEmptyDir() throws IOException {
+
+               NiFiProperties properties = 
loadSpecifiedProperties("/NarUnpacker/conf/nifi.properties");
+               
+               final File emptyDir = new File ("./target/empty/dir");
+               emptyDir.delete();
+               emptyDir.deleteOnExit();
+               assertTrue(emptyDir.mkdirs());
+               
+               properties.setProperty("nifi.nar.library.directory.alt", 
emptyDir.toString());
+
+               final ExtensionMapping extensionMapping = 
NarUnpacker.unpackNars(properties);
+
+               assertEquals(1,extensionMapping.getAllExtensionNames().size());
+               
assertTrue(extensionMapping.getAllExtensionNames().contains("org.apache.nifi.processors.dummy.one"));
+               
+        final File extensionsWorkingDir = 
properties.getExtensionsWorkingDirectory();
+               File[] extensionFiles = extensionsWorkingDir.listFiles();
+               
+               assertEquals(1,extensionFiles.length);
+               assertEquals("dummy-one.nar-unpacked", 
extensionFiles[0].getName());
+       }
+
+       @Test
+       public void testUnpackNarsFromNonExistantDir() {
+               
+               final File nonExistantDir = new File 
("./target/this/dir/should/not/exist/");
+               nonExistantDir.delete();
+               nonExistantDir.deleteOnExit();
+
+               NiFiProperties properties = 
loadSpecifiedProperties("/NarUnpacker/conf/nifi.properties");
+               properties.setProperty("nifi.nar.library.directory.alt", 
nonExistantDir.toString());
+
+               final ExtensionMapping extensionMapping = 
NarUnpacker.unpackNars(properties);
+               
+               
assertTrue(extensionMapping.getAllExtensionNames().contains("org.apache.nifi.processors.dummy.one"));
+               
+               assertEquals(1,extensionMapping.getAllExtensionNames().size());
+               
+        final File extensionsWorkingDir = 
properties.getExtensionsWorkingDirectory();
+               File[] extensionFiles = extensionsWorkingDir.listFiles();
+               
+               assertEquals(1,extensionFiles.length);
+               assertEquals("dummy-one.nar-unpacked", 
extensionFiles[0].getName());
+       }
+
+       @Test
+       public void testUnpackNarsFromNonDir() throws IOException {
+               
+               final File nonDir = new File ("./target/file.txt");
+               nonDir.createNewFile();
+               nonDir.deleteOnExit();
+
+               NiFiProperties properties = 
loadSpecifiedProperties("/NarUnpacker/conf/nifi.properties");
+               properties.setProperty("nifi.nar.library.directory.alt", 
nonDir.toString());
+
+               final ExtensionMapping extensionMapping = 
NarUnpacker.unpackNars(properties);
+               
+               assertNull(extensionMapping);
+       }
+
+
+       private NiFiProperties loadSpecifiedProperties(String propertiesFile) {
+               String file = 
NarUnpackerTest.class.getResource(propertiesFile).getFile();
+
+               System.setProperty(NiFiProperties.PROPERTIES_FILE_PATH, file);
+
+               NiFiProperties properties = NiFiProperties.getInstance();
+
+               // clear out existing properties
+               for (String prop : properties.stringPropertyNames()) {
+                       properties.remove(prop);
+               }
+
+               InputStream inStream = null;
+               try {
+                       inStream = new BufferedInputStream(new 
FileInputStream(file));
+                       properties.load(inStream);
+               } catch (final Exception ex) {
+                       throw new RuntimeException("Cannot load properties file 
due to " + ex.getLocalizedMessage(), ex);
+               } finally {
+                       if (null != inStream) {
+                               try {
+                                       inStream.close();
+                               } catch (final Exception ex) {
+                                       /**
+                                        * do nothing *
+                                        */
+                               }
+                       }
+               }
+
+               return properties;
+       }
+}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/conf/nifi.properties
----------------------------------------------------------------------
diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/conf/nifi.properties
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/conf/nifi.properties
new file mode 100644
index 0000000..92e4a92
--- /dev/null
+++ 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/conf/nifi.properties
@@ -0,0 +1,129 @@
+# 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.
+
+# Core Properties #
+nifi.version=nifi-test 3.0.0
+nifi.flow.configuration.file=./target/flow.xml.gz
+nifi.flow.configuration.archive.dir=./target/archive/
+nifi.flowcontroller.autoResumeState=true
+nifi.flowcontroller.graceful.shutdown.period=10 sec
+nifi.flowservice.writedelay.interval=2 sec
+nifi.administrative.yield.duration=30 sec
+
+nifi.reporting.task.configuration.file=./target/reporting-tasks.xml
+nifi.controller.service.configuration.file=./target/controller-services.xml
+nifi.templates.directory=./target/templates
+nifi.ui.banner.text=UI Banner Text
+nifi.ui.autorefresh.interval=30 sec
+nifi.nar.library.directory=./target/NarUnpacker/lib/
+nifi.nar.library.directory.alt=./target/NarUnpacker/lib2/
+
+nifi.nar.working.directory=./target/work/nar/
+
+# H2 Settings
+nifi.database.directory=./target/database_repository
+nifi.h2.url.append=;LOCK_TIMEOUT=25000;WRITE_DELAY=0;AUTO_SERVER=FALSE
+
+# FlowFile Repository
+nifi.flowfile.repository.directory=./target/test-repo
+nifi.flowfile.repository.partitions=1
+nifi.flowfile.repository.checkpoint.interval=2 mins
+nifi.queue.swap.threshold=20000
+nifi.swap.storage.directory=./target/test-repo/swap
+nifi.swap.in.period=5 sec
+nifi.swap.in.threads=1
+nifi.swap.out.period=5 sec
+nifi.swap.out.threads=4
+
+# Content Repository
+nifi.content.claim.max.appendable.size=10 MB
+nifi.content.claim.max.flow.files=100
+nifi.content.repository.directory.default=./target/content_repository
+
+# Provenance Repository Properties
+nifi.provenance.repository.storage.directory=./target/provenance_repository
+nifi.provenance.repository.max.storage.time=24 hours
+nifi.provenance.repository.max.storage.size=1 GB
+nifi.provenance.repository.rollover.time=5 mins
+nifi.provenance.repository.rollover.size=100 MB
+
+# Site to Site properties
+nifi.remote.input.socket.port=9990
+nifi.remote.input.secure=true
+
+# web properties #
+nifi.web.war.directory=./target/lib
+nifi.web.http.host=
+nifi.web.http.port=8080
+nifi.web.https.host=
+nifi.web.https.port=
+nifi.web.jetty.working.directory=./target/work/jetty
+
+# security properties #
+nifi.sensitive.props.key=key
+nifi.sensitive.props.algorithm=PBEWITHMD5AND256BITAES-CBC-OPENSSL
+nifi.sensitive.props.provider=BC
+
+nifi.security.keystore=
+nifi.security.keystoreType=
+nifi.security.keystorePasswd=
+nifi.security.keyPasswd=
+nifi.security.truststore=
+nifi.security.truststoreType=
+nifi.security.truststorePasswd=
+nifi.security.needClientAuth=
+nifi.security.authorizedUsers.file=./target/conf/authorized-users.xml
+nifi.security.user.credential.cache.duration=24 hours
+nifi.security.user.authority.provider=nifi.authorization.FileAuthorizationProvider
+nifi.security.support.new.account.requests=
+nifi.security.default.user.roles=
+
+# cluster common properties (cluster manager and nodes must have same values) #
+nifi.cluster.protocol.heartbeat.interval=5 sec
+nifi.cluster.protocol.is.secure=false
+nifi.cluster.protocol.socket.timeout=30 sec
+nifi.cluster.protocol.connection.handshake.timeout=45 sec
+# if multicast is used, then nifi.cluster.protocol.multicast.xxx properties 
must be configured #
+nifi.cluster.protocol.use.multicast=false
+nifi.cluster.protocol.multicast.address=
+nifi.cluster.protocol.multicast.port=
+nifi.cluster.protocol.multicast.service.broadcast.delay=500 ms
+nifi.cluster.protocol.multicast.service.locator.attempts=3
+nifi.cluster.protocol.multicast.service.locator.attempts.delay=1 sec
+
+# cluster node properties (only configure for cluster nodes) #
+nifi.cluster.is.node=false
+nifi.cluster.node.address=
+nifi.cluster.node.protocol.port=
+nifi.cluster.node.protocol.threads=2
+# if multicast is not used, nifi.cluster.node.unicast.xxx must have same 
values as nifi.cluster.manager.xxx #
+nifi.cluster.node.unicast.manager.address=
+nifi.cluster.node.unicast.manager.protocol.port=
+nifi.cluster.node.unicast.manager.authority.provider.port=
+
+# cluster manager properties (only configure for cluster manager) #
+nifi.cluster.is.manager=false
+nifi.cluster.manager.address=
+nifi.cluster.manager.protocol.port=
+nifi.cluster.manager.authority.provider.port=
+nifi.cluster.manager.authority.provider.threads=10
+nifi.cluster.manager.node.firewall.file=
+nifi.cluster.manager.node.event.history.size=10
+nifi.cluster.manager.node.api.connection.timeout=30 sec
+nifi.cluster.manager.node.api.read.timeout=30 sec
+nifi.cluster.manager.node.api.request.threads=10
+nifi.cluster.manager.flow.retrieval.delay=5 sec
+nifi.cluster.manager.protocol.threads=10
+nifi.cluster.manager.safemode.duration=0 sec

http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/dummy-one.nar
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diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/dummy-one.nar
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/dummy-one.nar
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http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/nifi-framework-nar.nar
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diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/nifi-framework-nar.nar
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib/nifi-framework-nar.nar
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http://git-wip-us.apache.org/repos/asf/incubator-nifi/blob/27573564/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib2/dummy-two.nar
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diff --git 
a/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib2/dummy-two.nar
 
b/nifi/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-nar-utils/src/test/resources/NarUnpacker/lib2/dummy-two.nar
new file mode 100644
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