HONEYCOMB-130: Separate v3po plugin from HC infra

Creating folders:
- common/
- infra/
- v3po/
- vpp-common/

Change-Id: I2c39e1b17e39e7c0f0628f44aa5fe08563fa06e4
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

5 files changed, 0 insertions, 362 deletions

diff --git a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/AbstractDataTreeConverter.java b/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/AbstractDataTreeConverter.java
deleted file mode 100644
index f0058264e..000000000
--- a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/AbstractDataTreeConverter.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * 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.v3po.vpp.data.init;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import com.google.common.annotations.Beta;
-import com.google.common.base.Optional;
-import com.google.common.util.concurrent.CheckedFuture;
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
-import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.yangtools.yang.binding.DataObject;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Base class for initializers which perform conversion between operational and config YANG model.
- *
- * @param <C> Config data object
- * @param <O> Operational data object
- */
-@Beta
-public abstract class AbstractDataTreeConverter<O extends DataObject, C extends DataObject>
-        implements DataTreeInitializer {
-    private static final Logger LOG = LoggerFactory.getLogger(AbstractDataTreeConverter.class);
-
-    private final InstanceIdentifier<O> idOper;
-    private final InstanceIdentifier<C> idConfig;
-    private final DataBroker bindingDataBroker;
-
-    public AbstractDataTreeConverter(final DataBroker bindingDataBroker,
-                                     final InstanceIdentifier<O> operRootId,
-                                     final InstanceIdentifier<C> cfgRootId) {
-        this.bindingDataBroker = checkNotNull(bindingDataBroker, "bindingDataBroker should not be null");
-        this.idOper = checkNotNull(operRootId, "operRootId should not be null");
-        this.idConfig = checkNotNull(cfgRootId, "cfgRootId should not be null");
-    }
-
-    @Override
-    public void close() throws Exception {
-        LOG.debug("AbstractDataTreeConverter.close()");
-        // Not removing initialized data, since this works in cooperation with persistence, it could remove
-        // data restored by persistence or remove user configured data when shutting down HC
-    }
-
-    @Override
-    public final void initialize() throws InitializeException {
-        LOG.debug("AbstractDataTreeConverter.initialize() from(oper): {}, to(cfg): {}", idOper, idConfig);
-        final Optional<O> data = readData();
-
-        if (data.isPresent()) {
-            LOG.debug("Config initialization, operational data={}", data);
-
-            final O operationalData = data.get();
-            final C configData = convert(operationalData);
-
-            try {
-                LOG.debug("Initializing config with data={}", configData);
-                writeData(configData);
-                LOG.info("Config initialization successful from(oper): {}, to(cfg): {}", idOper, idConfig);
-            } catch (TransactionCommitFailedException e) {
-                throw new InitializeException("Failed to perform config initialization", e);
-            }
-        } else {
-            LOG.info("Data is not present under: {}, no initial changes to config at: {}", idOper, idConfig);
-        }
-    }
-
-    private Optional<O> readData() {
-        try (ReadOnlyTransaction readTx = bindingDataBroker.newReadOnlyTransaction()) {
-            final CheckedFuture<Optional<O>, org.opendaylight.controller.md.sal.common.api.data.ReadFailedException>
-                    readFuture = readTx.read(LogicalDatastoreType.OPERATIONAL, idOper);
-            return readFuture.checkedGet();
-        } catch (org.opendaylight.controller.md.sal.common.api.data.ReadFailedException e) {
-            LOG.warn("Failed to read operational state", e);
-        }
-        return Optional.absent();
-    }
-
-    private void writeData(final C configData) throws TransactionCommitFailedException {
-        final WriteTransaction writeTx = bindingDataBroker.newWriteOnlyTransaction();
-        // Merge(instead of put) has to be used due to dynamic start, this might be executed multiple times
-        // and might overwrite config restored from persisted file with the same incomplete config.
-        // Making the entire configuration trigger VPP twice (on second persis ... and VPP does not like that
-        writeTx.merge(LogicalDatastoreType.CONFIGURATION, idConfig, configData);
-        writeTx.submit().checkedGet();
-    }
-
-    // TODO make this class concrete and use function dependency instead of abstract method
-    /**
-     * Converts operational data to config data for given root node
-     * @param operationalData data object representing operational data
-     * @return data object representing config data
-     */
-    protected abstract C convert(final O operationalData);
-}
diff --git a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/DataTreeInitializer.java b/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/DataTreeInitializer.java
deleted file mode 100644
index d760401f9..000000000
--- a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/DataTreeInitializer.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * 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.v3po.vpp.data.init;
-
-import com.google.common.annotations.Beta;
-
-/**
- * Service for config data tree initialization.
- * Implementation reads operational data and initializes config data tree.
- * Initialization does not cause any change in VPP state, unlike ordinary writes to config.
- */
-@Beta
-public interface DataTreeInitializer extends AutoCloseable {
-
-    /**
-     * Initializes config data tree for supported root node.
-     * @throws InitializeException if initialization failed
-     */
-    void initialize() throws InitializeException;
-
-    /**
-     * Removes all data managed by the initializer.
-     */
-    @Override
-    void close() throws Exception;
-
-    class InitializeException extends Exception {
-
-        public InitializeException(final String message, final Throwable cause) {
-            super(message, cause);
-        }
-
-        public InitializeException(final String msg) {
-            super(msg);
-        }
-    }
-}
diff --git a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistry.java b/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistry.java
deleted file mode 100644
index 8760f0f09..000000000
--- a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistry.java
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * 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.v3po.vpp.data.init;
-
-import com.google.common.annotations.Beta;
-
-/**
- * Data tree initializer suitable as a holder for all other root initializers, providing initializeAll feature.
- */
-@Beta
-public interface InitializerRegistry extends DataTreeInitializer {
-
-    /**
-     * Performs initialize on all registered root initializers.
-     * @throws if initialization failed
-     */
-    @Override
-    void initialize() throws InitializeException;
-}
diff --git a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistryImpl.java b/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistryImpl.java
deleted file mode 100644
index e5220f7e8..000000000
--- a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/InitializerRegistryImpl.java
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * 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.v3po.vpp.data.init;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Preconditions.checkNotNull;
-
-import java.util.List;
-import javax.annotation.Nonnull;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class InitializerRegistryImpl implements InitializerRegistry {
-    private static final Logger LOG = LoggerFactory.getLogger(InitializerRegistryImpl.class);
-    private final List<DataTreeInitializer> initializers;
-
-    public InitializerRegistryImpl(@Nonnull List<DataTreeInitializer> initializers) {
-        this.initializers = checkNotNull(initializers, "initializers should not be null");
-        checkArgument(!initializers.contains(null), "initializers should not contain null elements");
-    }
-
-    @Override
-    public void close() throws Exception {
-        LOG.debug("InitializerRegistryImpl.close()");
-        for (DataTreeInitializer initializer : initializers) {
-            initializer.close();
-        }
-    }
-
-    @Override
-    public void initialize() throws InitializeException {
-        // TODO check if readers are there
-        LOG.debug("InitializerRegistryImpl.initialize()");
-        for (DataTreeInitializer initializer : initializers) {
-            initializer.initialize();
-        }
-    }
-}
diff --git a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/RestoringInitializer.java b/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/RestoringInitializer.java
deleted file mode 100644
index abc3f54c0..000000000
--- a/v3po/vpp-cfg-init/src/main/java/io/fd/honeycomb/v3po/vpp/data/init/RestoringInitializer.java
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * 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.v3po.vpp.data.init;
-
-import static com.google.common.base.Preconditions.checkArgument;
-
-import io.fd.honeycomb.v3po.translate.util.JsonUtils;
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.StandardOpenOption;
-import javax.annotation.Nonnull;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.sal.core.api.model.SchemaService;
-import org.opendaylight.yang.gen.v1.urn.honeycomb.params.xml.ns.yang.vpp.data.init.rev160407.RestorationType;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class RestoringInitializer implements DataTreeInitializer {
-
-    private static final Logger LOG = LoggerFactory.getLogger(RestoringInitializer.class);
-
-    private final SchemaService schemaService;
-    private final Path path;
-    private final DOMDataBroker dataTree;
-    private final RestorationType restorationType;
-    private final LogicalDatastoreType datastoreType;
-
-    public RestoringInitializer(@Nonnull final SchemaService schemaService,
-                                @Nonnull final Path path,
-                                @Nonnull final DOMDataBroker dataTree,
-                                @Nonnull final RestorationType restorationType,
-                                @Nonnull final LogicalDatastoreType datastoreType) {
-        this.schemaService = schemaService;
-        this.datastoreType = datastoreType;
-        this.path = checkStorage(path);
-        this.dataTree = dataTree;
-        this.restorationType = restorationType;
-    }
-
-    private Path checkStorage(final Path path) {
-        if (Files.exists(path)) {
-            checkArgument(!Files.isDirectory(path), "File %s is a directory", path);
-            checkArgument(Files.isReadable(path), "File %s is not readable", path);
-        }
-
-        return path;
-    }
-
-    @Override
-    public void initialize() throws InitializeException {
-        LOG.debug("Starting restoration of {} from {} using {}", dataTree, path, restorationType);
-        if(!Files.exists(path)) {
-            LOG.debug("Persist file {} does not exist. Skipping restoration", path);
-            return;
-        }
-
-        try {
-            final ContainerNode containerNode = JsonUtils
-                .readJsonRoot(schemaService.getGlobalContext(), Files.newInputStream(path, StandardOpenOption.READ));
-
-            final DOMDataWriteTransaction domDataWriteTransaction = dataTree.newWriteOnlyTransaction();
-            for (DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> dataContainerChild : containerNode
-                .getValue()) {
-                final YangInstanceIdentifier iid = YangInstanceIdentifier.create(dataContainerChild.getIdentifier());
-                LOG.trace("Restoring {} from {}", iid, path);
-
-                switch (restorationType) {
-                    case Merge:
-                        domDataWriteTransaction.merge(datastoreType, iid, dataContainerChild);
-                        break;
-                    case Put:
-                        domDataWriteTransaction.put(datastoreType, iid, dataContainerChild);
-                        break;
-                    default:
-                        throw new InitializeException(
-                            "Unable to initialize data using " + restorationType + " restoration strategy. Unsupported");
-                }
-            }
-
-            // Block here to prevent subsequent initializers processing before context is fully restored
-            domDataWriteTransaction.submit().checkedGet();
-            LOG.debug("Data from {} restored successfully", path);
-
-        } catch (IOException | TransactionCommitFailedException e) {
-            throw new InitializeException("Unable to restore data from " + path, e);
-        }
-    }
-
-    @Override
-    public void close() {}
-}