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-rw-r--r--infra/minimal-distribution/pom.xml27
-rw-r--r--infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/ActiveModuleProvider.java154
-rw-r--r--infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/Main.java36
-rw-r--r--infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/ActiveModuleProviderTest.java91
-rw-r--r--infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/BaseMinimalDistributionTest.java26
-rw-r--r--infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/Modules.java44
-rw-r--r--infra/minimal-distribution/src/test/resources/modules/module-config-one.txt4
-rw-r--r--infra/minimal-distribution/src/test/resources/modules/module-config-two.txt1
8 files changed, 357 insertions, 26 deletions
diff --git a/infra/minimal-distribution/pom.xml b/infra/minimal-distribution/pom.xml
index 6e935b09b..d727788a0 100644
--- a/infra/minimal-distribution/pom.xml
+++ b/infra/minimal-distribution/pom.xml
@@ -30,6 +30,17 @@
<properties>
<main.class>io.fd.honeycomb.infra.distro.Main</main.class>
+ <distribution.modules>
+ io.fd.honeycomb.infra.distro.schema.YangBindingProviderModule,
+ io.fd.honeycomb.infra.distro.schema.SchemaModule,
+ io.fd.honeycomb.infra.distro.data.ConfigAndOperationalPipelineModule,
+ io.fd.honeycomb.infra.distro.data.context.ContextPipelineModule,
+ io.fd.honeycomb.infra.distro.initializer.InitializerPipelineModule,
+ io.fd.honeycomb.infra.distro.netconf.NetconfModule,
+ io.fd.honeycomb.infra.distro.netconf.NetconfReadersModule,
+ io.fd.honeycomb.infra.distro.restconf.RestconfModule,
+ io.fd.honeycomb.infra.distro.cfgattrs.CfgAttrsModule
+ </distribution.modules>
</properties>
<dependencies>
@@ -144,6 +155,12 @@
<version>${project.version}</version>
</dependency>
+ <!-- Utilities -->
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ </dependency>
+
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
@@ -161,5 +178,15 @@
<version>0.1.54</version>
<scope>test</scope>
</dependency>
+ <dependency>
+ <groupId>org.hamcrest</groupId>
+ <artifactId>hamcrest-all</artifactId>
+ <scope>test</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.mockito</groupId>
+ <artifactId>mockito-core</artifactId>
+ <scope>test</scope>
+ </dependency>
</dependencies>
</project>
diff --git a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/ActiveModuleProvider.java b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/ActiveModuleProvider.java
new file mode 100644
index 000000000..03c56969d
--- /dev/null
+++ b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/ActiveModuleProvider.java
@@ -0,0 +1,154 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed 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 io.fd.honeycomb.infra.distro;
+
+import com.google.common.collect.ImmutableList;
+import com.google.inject.Module;
+import java.io.File;
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import javax.annotation.Nonnull;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provides list of active modules for distribution
+ */
+public class ActiveModuleProvider {
+
+ public static final String STANDARD_MODULES_RELATIVE_PATH = "../modules/";
+ private static final Logger LOG = LoggerFactory.getLogger(ActiveModuleProvider.class);
+
+ /**
+ * Provide unique set of active modules filtered from provided resources
+ */
+ public static Set<Module> loadActiveModules(@Nonnull final List<String> moduleNames) {
+ final ClassLoader classLoader = ActiveModuleProvider.class.getClassLoader();
+ LOG.info("Reading active modules configuration for distribution");
+
+ // process resources to resource modules
+ return moduleNames.stream()
+ .map(String::trim)
+ .filter(trimmedLine -> trimmedLine.length() != 0)
+ // filter out commented lines
+ .filter(nonEmptyLine -> !nonEmptyLine.startsWith("//"))
+ // filter duplicates
+ .distinct()
+ .map(validLine -> nameToClass(validLine, classLoader))
+ // filters out classes that are not modules
+ .filter(ActiveModuleProvider::filterNonModules)
+ .map(ActiveModuleProvider::classToInstance)
+ .collect(Collectors.toSet());
+ }
+
+ /**
+ * Aggregate all resources from provided relative path into a {@code List<String>}
+ */
+ public static List<String> aggregateResources(final String relativePath, final ClassLoader classLoader) {
+ try {
+ return Collections.list(classLoader.getResources(relativePath)).stream()
+ .map(ActiveModuleProvider::toURI)
+ .flatMap(ActiveModuleProvider::folderToFile)
+ .map(File::toURI)
+ .map(Paths::get)
+ // readAll lines and add them to iteration
+ .flatMap(ActiveModuleProvider::readLines)
+ .collect(Collectors.toList());
+ } catch (IOException e) {
+ LOG.error("Unable to load resources from relative path {}", relativePath, e);
+ throw new IllegalStateException("Unable to load resources from relative path " + relativePath, e);
+ }
+ }
+
+ private static Stream<File> folderToFile(final URI uri) {
+ final File[] files = new File(uri).listFiles(File::isFile);
+
+ return files != null
+ ? ImmutableList.copyOf(files).stream()
+ : Collections.<File>emptyList().stream();
+ }
+
+ private static boolean filterNonModules(final Class<?> clazz) {
+ final boolean isModule = Module.class.isAssignableFrom(clazz);
+ if (!isModule) {
+ LOG.warn("Class {} is provided in modules configuration, but is not a Module and will be ignored", clazz);
+ }
+ return isModule;
+ }
+
+ /**
+ * Read lines from {@code Path}
+ */
+ private static Stream<String> readLines(final Path path) {
+ try {
+ return Files.readAllLines(path).stream();
+ } catch (IOException e) {
+ LOG.error("Unable to read content of {}", path, e);
+ throw new IllegalStateException("Unable to read content of " + path, e);
+ }
+ }
+
+ /**
+ * Converts {@code URL} to {@code URI}
+ */
+ private static URI toURI(final URL url) {
+ try {
+ return url.toURI();
+ } catch (URISyntaxException e) {
+ LOG.error("Unable to convert {} to uri", url);
+ throw new IllegalStateException("Unable to convert " + url + " to uri", e);
+ }
+ }
+
+ /**
+ * Loads class by provided name
+ */
+ private static Class<?> nameToClass(final String name,
+ final ClassLoader classLoader) {
+ try {
+ LOG.info("Loading module class {}", name);
+ return classLoader.loadClass(name);
+ } catch (ClassNotFoundException e) {
+ LOG.error("Unable to convert {} to class, make sure you've provided sources to classpath", name);
+ throw new IllegalStateException(
+ "Unable to convert " + name + " to class, make sure you've provided sources to classpath", e);
+ }
+ }
+
+ /**
+ * Creates instance of module class
+ */
+ private static Module classToInstance(final Class<?> moduleClass) {
+ try {
+ LOG.info("Creating instance for module {}", moduleClass);
+ return Module.class.cast(moduleClass.newInstance());
+ } catch (InstantiationException | IllegalAccessException e) {
+ LOG.error("Unable to create instance for class {}", moduleClass, e);
+ throw new IllegalStateException("Unable to create instance for class" + moduleClass, e);
+ }
+ }
+}
diff --git a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/Main.java b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/Main.java
index d3a562d3a..3c62382c2 100644
--- a/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/Main.java
+++ b/infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/Main.java
@@ -16,8 +16,11 @@
package io.fd.honeycomb.infra.distro;
+import static io.fd.honeycomb.infra.distro.ActiveModuleProvider.STANDARD_MODULES_RELATIVE_PATH;
+import static io.fd.honeycomb.infra.distro.ActiveModuleProvider.aggregateResources;
+import static io.fd.honeycomb.infra.distro.ActiveModuleProvider.loadActiveModules;
+
import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableList;
import com.google.inject.ConfigurationException;
import com.google.inject.CreationException;
import com.google.inject.Guice;
@@ -28,20 +31,14 @@ import com.google.inject.ProvisionException;
import com.google.inject.name.Names;
import io.fd.honeycomb.data.init.DataTreeInitializer;
import io.fd.honeycomb.data.init.InitializerRegistry;
-import io.fd.honeycomb.infra.distro.cfgattrs.CfgAttrsModule;
import io.fd.honeycomb.infra.distro.cfgattrs.HoneycombConfiguration;
-import io.fd.honeycomb.infra.distro.data.ConfigAndOperationalPipelineModule;
-import io.fd.honeycomb.infra.distro.data.context.ContextPipelineModule;
import io.fd.honeycomb.infra.distro.initializer.InitializerPipelineModule;
import io.fd.honeycomb.infra.distro.netconf.HoneycombNotification2NetconfProvider;
import io.fd.honeycomb.infra.distro.netconf.NetconfModule;
-import io.fd.honeycomb.infra.distro.netconf.NetconfReadersModule;
import io.fd.honeycomb.infra.distro.netconf.NetconfSshServerProvider;
import io.fd.honeycomb.infra.distro.netconf.NetconfTcpServerProvider;
import io.fd.honeycomb.infra.distro.restconf.RestconfModule;
-import io.fd.honeycomb.infra.distro.schema.SchemaModule;
-import io.fd.honeycomb.infra.distro.schema.YangBindingProviderModule;
-import java.util.List;
+import java.util.Set;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.ServerConnector;
import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
@@ -53,29 +50,18 @@ public final class Main {
private static final Logger LOG = LoggerFactory.getLogger(Main.class);
- public static final List<Module> BASE_MODULES = ImmutableList.of(
- // Infra
- new YangBindingProviderModule(),
- new SchemaModule(),
- new ConfigAndOperationalPipelineModule(),
- new ContextPipelineModule(),
- new InitializerPipelineModule(),
- new NetconfModule(),
- new NetconfReadersModule(),
- new RestconfModule(),
- // Json config attributes
- new CfgAttrsModule());
-
- private Main() {}
+ private Main() {
+ }
public static void main(String[] args) {
- init(BASE_MODULES);
+ final ClassLoader classLoader = Main.class.getClassLoader();
+ init(loadActiveModules(aggregateResources(STANDARD_MODULES_RELATIVE_PATH, classLoader)));
}
/**
- * Initialize the Honeycomb infrastructure + all wired plugins.
+ * Initialize the Honeycomb with provided modules
*/
- public static Injector init(final List<? extends Module> modules) {
+ public static Injector init(final Set<? extends Module> modules) {
try {
LOG.info("Starting honeycomb");
Injector injector = Guice.createInjector(modules);
diff --git a/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/ActiveModuleProviderTest.java b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/ActiveModuleProviderTest.java
new file mode 100644
index 000000000..bdadc5bd8
--- /dev/null
+++ b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/ActiveModuleProviderTest.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed 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 io.fd.honeycomb.infra.distro;
+
+
+import static com.google.common.collect.ImmutableList.of;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasItems;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.isA;
+import static org.hamcrest.core.Is.is;
+
+import com.google.common.collect.ImmutableList;
+import com.google.inject.Module;
+import java.util.List;
+import java.util.Set;
+import org.junit.Test;
+
+public class ActiveModuleProviderTest {
+
+ @Test
+ public void testLoadActiveModulesSuccessfull() {
+ final ImmutableList rawResources = of(
+ "// this should be skipped",
+ "// io.fd.honeycomb.infra.distro.Modules$ChildModule1",
+ " io.fd.honeycomb.infra.distro.Modules$ChildModule2",
+ "io.fd.honeycomb.infra.distro.Modules$ChildModule3 ",
+ "io.fd.honeycomb.infra.distro.Modules$ChildModule3",
+ "io.fd.honeycomb.infra.distro.Modules$NonModule"
+ );
+
+ final Set<Module> activeModules = ActiveModuleProvider.loadActiveModules(rawResources);
+
+ // first and second line should be ignored due to comment
+ // second,third,and fourth are valid,but should reduce module count to 2,because of duplicity
+ // last one does is not ancestor of Module, so it should be ignored/skipped
+ assertThat(activeModules, hasSize(2));
+ //hasItems or containsInAnyOrder does not have/is deprecated in variant with matcher
+ assertThat(activeModules, hasItem(isA(io.fd.honeycomb.infra.distro.Modules.ChildModule2.class)));
+ assertThat(activeModules, hasItem(isA(io.fd.honeycomb.infra.distro.Modules.ChildModule3.class)));
+ }
+
+ @Test(expected = IllegalStateException.class)
+ public void testLoadActiveModulesFailed() {
+ final ImmutableList rawResources = of(
+ "// this should be skipped",
+ "// io.fd.honeycomb.infra.distro.Modules$ChildModule1",
+ " io.fd.honeycomb.infra.distro.Modules$ChildModule2",
+ "### io.fd.honeycomb.infra.distro.Modules$ChildModule3 ",// it should fail because of this
+ "io.fd.honeycomb.infra.distro.Modules$ChildModule3",
+ "io.fd.honeycomb.infra.distro.Modules$NonModule"
+ );
+
+ ActiveModuleProvider.loadActiveModules(rawResources);
+ }
+
+ @Test
+ public void testAggregateResourcesNonEmpty() {
+ final List<String> aggregatedResources =
+ ActiveModuleProvider.aggregateResources("./modules", this.getClass().getClassLoader());
+ assertThat(aggregatedResources, hasSize(5));
+ assertThat(aggregatedResources, hasItems(" Non-commented non-trimmed",
+ "//Commented",
+ "// Commented non-trimmed",
+ "Not commented",
+ "// Line from second file"));
+ }
+
+ @Test
+ public void testAggregateResourcesEmpty() {
+ assertThat(ActiveModuleProvider.aggregateResources("/non-existing-folder", this.getClass().getClassLoader()),
+ is(empty()));
+ }
+
+}
diff --git a/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/BaseMinimalDistributionTest.java b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/BaseMinimalDistributionTest.java
index 61042868f..8a8ddc3ef 100644
--- a/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/BaseMinimalDistributionTest.java
+++ b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/BaseMinimalDistributionTest.java
@@ -16,22 +16,35 @@
package io.fd.honeycomb.infra.distro;
+import static com.google.common.collect.ImmutableSet.of;
import static org.hamcrest.CoreMatchers.containsString;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import com.google.common.base.Charsets;
import com.google.common.io.ByteStreams;
+import com.google.inject.Module;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSubsystem;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.Session;
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;
+import io.fd.honeycomb.infra.distro.cfgattrs.CfgAttrsModule;
+import io.fd.honeycomb.infra.distro.data.ConfigAndOperationalPipelineModule;
+import io.fd.honeycomb.infra.distro.data.context.ContextPipelineModule;
+import io.fd.honeycomb.infra.distro.initializer.InitializerPipelineModule;
+import io.fd.honeycomb.infra.distro.netconf.NetconfModule;
+import io.fd.honeycomb.infra.distro.netconf.NetconfReadersModule;
+import io.fd.honeycomb.infra.distro.restconf.RestconfModule;
+import io.fd.honeycomb.infra.distro.schema.SchemaModule;
+import io.fd.honeycomb.infra.distro.schema.YangBindingProviderModule;
import java.io.IOException;
import java.io.InputStream;
import java.net.Socket;
+import java.util.List;
import java.util.Properties;
+import java.util.Set;
import javax.net.ssl.SSLContext;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.TrustSelfSignedStrategy;
@@ -57,6 +70,17 @@ public class BaseMinimalDistributionTest {
private static final String NETCONF_NAMESPACE = "urn:ietf:params:xml:ns:netconf:base:1.0";
private static final int NETCONF_HELLO_WAIT = 2500;
+ public static final Set<Module> BASE_MODULES = of(
+ new YangBindingProviderModule(),
+ new SchemaModule(),
+ new ConfigAndOperationalPipelineModule(),
+ new ContextPipelineModule(),
+ new InitializerPipelineModule(),
+ new NetconfModule(),
+ new NetconfReadersModule(),
+ new RestconfModule(),
+ new CfgAttrsModule());
+
@Before
public void setUp() throws Exception {
SSLContext sslcontext = SSLContexts.custom()
@@ -76,7 +100,7 @@ public class BaseMinimalDistributionTest {
*/
@Test(timeout = 60000)
public void test() throws Exception {
- Main.init(Main.BASE_MODULES);
+ Main.init(BASE_MODULES);
LOG.info("Testing Honeycomb base distribution");
LOG.info("Testing NETCONF TCP");
diff --git a/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/Modules.java b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/Modules.java
new file mode 100644
index 000000000..e30fb87ca
--- /dev/null
+++ b/infra/minimal-distribution/src/test/java/io/fd/honeycomb/infra/distro/Modules.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ *
+ * Licensed 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 io.fd.honeycomb.infra.distro;
+
+import com.google.inject.AbstractModule;
+import com.google.inject.Binder;
+import com.google.inject.Module;
+
+public class Modules {
+
+ public static class ChildModule1 implements Module {
+ @Override
+ public void configure(final Binder binder) {
+ }
+ }
+
+ public static class ChildModule2 implements Module {
+ @Override
+ public void configure(final Binder binder) {
+ }
+ }
+
+ public static class ChildModule3 extends AbstractModule {
+ @Override
+ protected void configure() {
+ }
+ }
+
+ public static class NonModule{}
+}
diff --git a/infra/minimal-distribution/src/test/resources/modules/module-config-one.txt b/infra/minimal-distribution/src/test/resources/modules/module-config-one.txt
new file mode 100644
index 000000000..8d48a3c9d
--- /dev/null
+++ b/infra/minimal-distribution/src/test/resources/modules/module-config-one.txt
@@ -0,0 +1,4 @@
+//Commented
+// Commented non-trimmed
+Not commented
+ Non-commented non-trimmed \ No newline at end of file
diff --git a/infra/minimal-distribution/src/test/resources/modules/module-config-two.txt b/infra/minimal-distribution/src/test/resources/modules/module-config-two.txt
new file mode 100644
index 000000000..ef11829e9
--- /dev/null
+++ b/infra/minimal-distribution/src/test/resources/modules/module-config-two.txt
@@ -0,0 +1 @@
+// Line from second file \ No newline at end of file