diff options
Diffstat (limited to 'vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java')
7 files changed, 494 insertions, 0 deletions
diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/CrudService.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/CrudService.java new file mode 100644 index 00000000..b9d7f1bb --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/CrudService.java @@ -0,0 +1,64 @@ +/* + * 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.lcmapi; + +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.write.WriteFailedException; +import java.util.List; +import javax.annotation.Nonnull; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Example of an aggregated access interface. + * <p/> + * Shared by all the customizers hiding the ugly details of our data management. + * + * TODO update javadoc + */ +public interface CrudService<T extends DataObject> { + + /** + * Perform write of provided data. + */ + void writeData(@Nonnull final InstanceIdentifier<T> identifier, @Nonnull final T data) + throws WriteFailedException; + + + /** + * Perform delete of existing data. + */ + void deleteData(@Nonnull final InstanceIdentifier<T> identifier, @Nonnull final T data) + throws WriteFailedException; + + /** + * Perform update of existing data. + */ + void updateData(@Nonnull final InstanceIdentifier<T> identifier, @Nonnull final T dataOld, + @Nonnull final T dataNew) + throws WriteFailedException; + + /** + * Read data identified by provided identifier. + */ + T readSpecific(@Nonnull final InstanceIdentifier<T> identifier) throws ReadFailedException; + + /** + * Read all nodes of type {@link T}. + */ + List<T> readAll() throws ReadFailedException; +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ElementCrudService.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ElementCrudService.java new file mode 100644 index 00000000..fa6a31d5 --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ElementCrudService.java @@ -0,0 +1,103 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi; + +import io.fd.honeycomb.translate.read.ReadFailedException; +import io.fd.honeycomb.translate.write.WriteFailedException; +import java.util.Collections; +import java.util.List; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountState; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.StreamsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamNum; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Simple example of class handling Crud operations for plugin. + * <p/> + * No real handling, serves just as an illustration. + * + * TODO update javadoc + */ +final class ElementCrudService implements CrudService<Streams> { + + private static final Logger LOG = LoggerFactory.getLogger(ElementCrudService.class); + + @Override + public void writeData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams data) + throws WriteFailedException { + if (data != null) { + + // Performs any logic needed for persisting such data + LOG.info("Writing path[{}] / data [{}]", identifier, data); + } else { + throw new WriteFailedException.CreateFailedException(identifier, data, + new NullPointerException("Provided data are null")); + } + } + + @Override + public void deleteData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams data) + throws WriteFailedException { + if (data != null) { + + // Performs any logic needed for persisting such data + LOG.info("Removing path[{}] / data [{}]", identifier, data); + } else { + throw new WriteFailedException.DeleteFailedException(identifier, + new NullPointerException("Provided data are null")); + } + } + + @Override + public void updateData(@Nonnull final InstanceIdentifier<Streams> identifier, @Nonnull final Streams dataOld, + @Nonnull final Streams dataNew) throws WriteFailedException { + if (dataOld != null && dataNew != null) { + + // Performs any logic needed for persisting such data + LOG.info("Update path[{}] from [{}] to [{}]", identifier, dataOld, dataNew); + } else { + throw new WriteFailedException.DeleteFailedException(identifier, + new NullPointerException("Provided data are null")); + } + } + + @Override + public Streams readSpecific(@Nonnull final InstanceIdentifier<Streams> identifier) throws ReadFailedException { + + // load data by this key + // *Key class will always contain key of entity, in this case long value + + return new StreamsBuilder() + .setActiveStreams(new StreamNum(1L)) + .build(); + } + + @Override + public List<Streams> readAll() throws ReadFailedException { + // read all data under parent node,in this case {@link ModuleState} + return Collections.singletonList( + readSpecific(InstanceIdentifier.create(StreamCountState.class).child(Streams.class))); + } +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/Module.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/Module.java new file mode 100644 index 00000000..05109db3 --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/Module.java @@ -0,0 +1,70 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi; + +import static io.fd.honeycomb.lcmapi.ModuleConfiguration.ELEMENT_SERVICE_NAME; + +import com.google.inject.AbstractModule; +import com.google.inject.TypeLiteral; +import com.google.inject.multibindings.Multibinder; +import com.google.inject.name.Names; +import io.fd.honeycomb.lcmapi.init.ConfigDataInitializer; +import io.fd.honeycomb.lcmapi.write.ModuleWriterFactory; +import io.fd.honeycomb.data.init.DataTreeInitializer; +import io.fd.honeycomb.translate.write.WriterFactory; +import net.jmob.guice.conf.core.ConfigurationModule; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams; + +/** + * Module class instantiating stream-count plugin components. + */ +public final class Module extends AbstractModule { + + // TODO This initiates all the plugin components, but it still needs to be registered/wired into an integration + // module producing runnable distributions. There is one such distribution in honeycomb project: + // vpp-integration/minimal-distribution + // In order to integrate this plugin with the distribution: + // 1. Add a dependency on this maven module to the the distribution's pom.xml + // 2. Add an instance of this module into the distribution in its Main class + + @Override + protected void configure() { + // requests injection of properties + install(ConfigurationModule.create()); + requestInjection(ModuleConfiguration.class); + + // creates binding for interface implementation by name + bind(new TypeLiteral<CrudService<Streams>>(){}) + .annotatedWith(Names.named(ELEMENT_SERVICE_NAME)) + .to(ElementCrudService.class); + + // create writer factory binding + // can hold multiple binding for separate yang modules + final Multibinder<WriterFactory> writerFactoryBinder = Multibinder.newSetBinder(binder(), WriterFactory.class); + writerFactoryBinder.addBinding().to(ModuleWriterFactory.class); + + // create initializer binding + // can hold multiple binding for separate yang modules + final Multibinder<DataTreeInitializer> initializerBinder = + Multibinder.newSetBinder(binder(), DataTreeInitializer.class); + initializerBinder.addBinding().to(ConfigDataInitializer.class); + } +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ModuleConfiguration.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ModuleConfiguration.java new file mode 100644 index 00000000..c574b3ef --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/ModuleConfiguration.java @@ -0,0 +1,46 @@ +/* + * 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.lcmapi; + +import net.jmob.guice.conf.core.BindConfig; +import net.jmob.guice.conf.core.InjectConfig; +import net.jmob.guice.conf.core.Syntax; + +/** + * Class containing static configuration for stream-count module,<br> + * either loaded from property file stream-count.json from classpath. + * <p/> + * Further documentation for the configuration injection can be found at: + * https://github.com/yyvess/gconf + */ +@BindConfig(value = "stream-count", syntax = Syntax.JSON) +public final class ModuleConfiguration { + + // TODO change the sample property to real plugin configuration + // If there is no such configuration, remove this, stream-count.json resource and its wiring from Module class + + /** + * Sample property that's injected from external json configuration file. + */ + @InjectConfig("sample-prop") + public String sampleProp; + + /** + * Constant name used to identify stream-count plugin specific components during dependency injection. + */ + public static final String ELEMENT_SERVICE_NAME = "element-service"; +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java new file mode 100644 index 00000000..16edd1bc --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/init/ConfigDataInitializer.java @@ -0,0 +1,54 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi.init; + +import io.fd.honeycomb.data.init.AbstractDataTreeConverter; +import com.google.inject.Inject; +import com.google.inject.name.Named; +import javax.annotation.Nonnull; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCount; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCountState; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Initialize configuration data based on operational data. + * <p/> + * Very useful when a plugin is initiated but the underlying layer already contains some operation state. + * Deriving the configuration from existing operational state enables reconciliation in case when Honeycomb's persistence + * is not available to do the work for us. + */ +public final class ConfigDataInitializer extends AbstractDataTreeConverter<StreamCountState, StreamCount> { + + @Inject + public ConfigDataInitializer(@Named("honeycomb-initializer") @Nonnull final DataBroker bindingDataBroker) { + super(bindingDataBroker, InstanceIdentifier.create(StreamCountState.class), InstanceIdentifier.create(StreamCount.class)); + } + + @Override + public StreamCount convert(final StreamCountState operationalData) { + // Transfer all the operational data into configuration + return new StreamCountBuilder() + .setStreams(operationalData.getStreams()) + .build(); + } +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java new file mode 100644 index 00000000..740ffdf7 --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ElementCustomizer.java @@ -0,0 +1,100 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi.write; + +import io.fd.honeycomb.lcmapi.CrudService; +import io.fd.honeycomb.translate.spi.write.WriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; + +import java.io.IOException; + +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Writer for {@link Element} list node from our YANG model. + */ + +public final class ElementCustomizer implements WriterCustomizer<Streams> { + + private static final Logger LOG = LoggerFactory.getLogger(ElementCustomizer.class); + + private final CrudService<Streams> crudService; + + public ElementCustomizer(@Nonnull final CrudService<Streams> crudService) { + this.crudService = crudService; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id, @Nonnull final Streams dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + //perform write of data,or throw exception + //invoked by PUT operation,if provided data doesn't exist in Config data + crudService.writeData(id, dataAfter); + try { + runScript(dataAfter.getActiveStreams().getValue()); + } + catch (IOException e) { + String message = "Write operation failed " + e; + LOG.error(message); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id, + @Nonnull final Streams dataBefore, + @Nonnull final Streams dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + //invoked by PUT operation,if provided data does exist in Config data + crudService.updateData(id, dataBefore, dataAfter); + try { + runScript(dataAfter.getActiveStreams().getValue()); + } + catch (IOException e) { + String message = "Write operation failed " + e; + LOG.error(message); + } + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Streams> id, + @Nonnull final Streams dataBefore, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + //perform delete of data,or throw exception + // Not supported, throw exception + throw new WriteFailedException.DeleteFailedException(id, + new UnsupportedOperationException("Delete operation not supported")); + } + + //Update the number of running streams running a custom script that uses the old vPacketGen REST APIs + private void runScript(long streams) throws IOException { + + String script = new String("bash /opt/update_running_streams.sh " + streams); + Runtime.getRuntime().exec(script); + String message = "Number of running streams updated to " + streams; + LOG.info(message); + } +} diff --git a/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ModuleWriterFactory.java b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ModuleWriterFactory.java new file mode 100644 index 00000000..1de39761 --- /dev/null +++ b/vnfs/honeycomb_plugin/stream-count/stream-count-impl/src/main/java/io/fd/honeycomb/lcmapi/write/ModuleWriterFactory.java @@ -0,0 +1,57 @@ +/* + * 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. + */ + +/* + * Modifications copyright (c) 2019 AT&T Intellectual Property + */ + +package io.fd.honeycomb.lcmapi.write; + +import static io.fd.honeycomb.lcmapi.ModuleConfiguration.ELEMENT_SERVICE_NAME; + +import com.google.inject.Inject; +import com.google.inject.name.Named; +import io.fd.honeycomb.lcmapi.CrudService; +import io.fd.honeycomb.translate.impl.write.GenericWriter; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.StreamCount; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.stream.count.rev190118.stream.count.params.Streams; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +/** + * Factory producing writers for stream-count plugin's data. + */ +public final class ModuleWriterFactory implements WriterFactory { + + private static final InstanceIdentifier<StreamCount> ROOT_CONTAINER_ID = InstanceIdentifier.create(StreamCount.class); + + /** + * Injected crud service to be passed to customizers instantiated in this factory. + */ + @Inject + @Named(ELEMENT_SERVICE_NAME) + private CrudService<Streams> crudService; + + @Override + public void init(@Nonnull final ModifiableWriterRegistryBuilder registry) { + + //adds writer for child node + //no need to add writers for empty nodes + registry.add(new GenericWriter<>(ROOT_CONTAINER_ID.child(Streams.class), new ElementCustomizer(crudService))); + } +} |