HONEYCOMB-363 - Bgp extension modules

Provides maven modules per bgp extension.
Defines common configuration that can be used to define new
extensions(AbstractBgpExtensionModule).

Change-Id: I1c8ff65b6f9aa5474026f4bdf42476bd0559208e
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>

4 files changed, 233 insertions, 0 deletions

diff --git a/infra/northbound/bgp-extensions/inet/asciidoc/Readme.adoc b/infra/northbound/bgp-extensions/inet/asciidoc/Readme.adoc
new file mode 100644
index 000000000..dbc32d950
--- /dev/null
+++ b/infra/northbound/bgp-extensions/inet/asciidoc/Readme.adoc
@@ -0,0 +1,11 @@
+= Inet
+
+Configure http://docs.opendaylight.org/en/${project-odl-branch}/user-guide/bgp-user-guide.html#evpn-family[Inet] extension for ODL BGP
+
+Handles following table types:
+
+* Ipv4Unicast
+* Ipv6Unicast
+
+Enable by including InetModule in /opt/honeycomb/modules configuration
+
diff --git a/infra/northbound/bgp-extensions/inet/pom.xml b/infra/northbound/bgp-extensions/inet/pom.xml
new file mode 100644
index 000000000..cc62cb9e2
--- /dev/null
+++ b/infra/northbound/bgp-extensions/inet/pom.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright (c) 2017 Cisco and/or its affiliates.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at:
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <parent>
+        <artifactId>impl-parent</artifactId>
+        <groupId>io.fd.honeycomb.common</groupId>
+        <version>1.18.01-SNAPSHOT</version>
+        <relativePath>../../../../common/impl-parent</relativePath>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>io.fd.honeycomb.northbound.bgp</groupId>
+    <artifactId>inet</artifactId>
+    <version>1.18.01-SNAPSHOT</version>
+
+    <dependencies>
+        <dependency>
+            <groupId>io.fd.honeycomb.northbound.bgp</groupId>
+            <artifactId>extension-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.opendaylight.bgpcep</groupId>
+            <artifactId>bgp-inet</artifactId>
+            <version>${bgpcep.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.fd.honeycomb.northbound</groupId>
+            <artifactId>bgp</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+    </dependencies>
+</project>
\ No newline at end of file
diff --git a/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetModule.java b/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetModule.java
new file mode 100644
index 000000000..477d0ec8c
--- /dev/null
+++ b/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetModule.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 2017 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.northbound.bgp.extension;
+
+import com.google.common.collect.ImmutableSet;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+import io.fd.honeycomb.infra.bgp.BgpConfiguration;
+import io.fd.honeycomb.translate.write.WriterFactory;
+import org.opendaylight.protocol.bgp.inet.BGPActivator;
+import org.opendaylight.protocol.bgp.inet.RIBActivator;
+import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderActivator;
+import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderActivator;
+import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafi;
+import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.AfiSafiBuilder;
+import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV4UNICAST;
+import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.types.rev151009.IPV6UNICAST;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.AfiSafi2;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.openconfig.extensions.rev160614.AfiSafi2Builder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Set;
+
+import static io.fd.honeycomb.northbound.bgp.extension.AbstractBgpExtensionModule.TableTypeRegistration.tableType;
+
+public class InetModule extends AbstractBgpExtensionModule {
+
+    private static final Logger LOG = LoggerFactory.getLogger(InetModule.class);
+
+    @Override
+    public Set<Class<? extends RIBExtensionProviderActivator>> getRibActivators() {
+        return ImmutableSet.of(RIBActivator.class);
+    }
+
+    @Override
+    public Set<Class<? extends BGPExtensionProviderActivator>> getExtensionActivators() {
+        return ImmutableSet.of(BGPActivator.class);
+    }
+
+    @Override
+    public Set<TableTypeRegistration> getTableTypes() {
+        return ImmutableSet.of(
+                tableType(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class, IPV4UNICAST.class),
+                tableType(Ipv6AddressFamily.class, UnicastSubsequentAddressFamily.class, IPV6UNICAST.class));
+    }
+
+    @Override
+    public Set<Class<? extends Provider<AfiSafi>>> getAfiSafiTypeProviders() {
+        return ImmutableSet.of(
+                V4UnicastTableTypeProvider.class,
+                V6UnicastTableTypeProvider.class);
+    }
+
+    @Override
+    public Set<Class<? extends WriterFactory>> getApplicationRibWriters() {
+        return ImmutableSet.of(InetWriterFactory.class);
+    }
+
+    @Override
+    public Logger getLogger() {
+        return LOG;
+    }
+
+    private static class V4UnicastTableTypeProvider implements Provider<AfiSafi> {
+
+        @Inject
+        private BgpConfiguration cfg;
+
+        @Override
+        public AfiSafi get() {
+            return new AfiSafiBuilder().setAfiSafiName(IPV4UNICAST.class)
+                    .addAugmentation(AfiSafi2.class,
+                            new AfiSafi2Builder().setReceive(cfg.isBgpMultiplePathsEnabled())
+                                    .setSendMax(cfg.bgpSendMaxMaths.get().shortValue()).build())
+                    .build();
+        }
+    }
+
+    private static class V6UnicastTableTypeProvider implements Provider<AfiSafi> {
+
+        @Inject
+        private BgpConfiguration cfg;
+
+        @Override
+        public AfiSafi get() {
+            return new AfiSafiBuilder().setAfiSafiName(IPV6UNICAST.class)
+                    .addAugmentation(AfiSafi2.class,
+                            new AfiSafi2Builder().setReceive(cfg.isBgpMultiplePathsEnabled())
+                                    .setSendMax(cfg.bgpSendMaxMaths.get().shortValue()).build())
+                    .build();
+        }
+    }
+}
diff --git a/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetWriterFactory.java b/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetWriterFactory.java
new file mode 100644
index 000000000..de61c8dfe
--- /dev/null
+++ b/infra/northbound/bgp-extensions/inet/src/main/java/io/fd/honeycomb/northbound/bgp/extension/InetWriterFactory.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2017 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.northbound.bgp.extension;
+
+import com.google.common.collect.Sets;
+import com.google.inject.Inject;
+import com.google.inject.name.Named;
+import io.fd.honeycomb.translate.util.write.BindingBrokerWriter;
+import io.fd.honeycomb.translate.write.WriterFactory;
+import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.Ipv4Routes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.Attributes;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPref;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Origin;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHop;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+
+import javax.annotation.Nonnull;
+
+import static io.fd.honeycomb.northbound.bgp.extension.AbstractBgpExtensionModule.TABLES_IID;
+
+public class InetWriterFactory implements WriterFactory {
+
+    private static final InstanceIdentifier<Ipv4Routes> IPV4_ROUTES_IID = TABLES_IID.child((Class) Ipv4Routes.class);
+
+    @Inject
+    @Named("honeycomb-bgp")
+    private DataBroker dataBroker;
+
+    @Override
+    public void init(@Nonnull ModifiableWriterRegistryBuilder registry) {
+        final InstanceIdentifier<Ipv4Routes> subtreeIid = InstanceIdentifier.create(Ipv4Routes.class);
+
+        //TODO - HONEYCOMB-359 - use wildcarded subtree writer
+        registry.subtreeAdd(
+                Sets.newHashSet(
+                        subtreeIid.child(Ipv4Route.class),
+                        subtreeIid.child(Ipv4Route.class).child(Attributes.class),
+                        subtreeIid.child(Ipv4Route.class).child(Attributes.class).child(Origin.class),
+                        subtreeIid.child(Ipv4Route.class).child(Attributes.class).child(LocalPref.class),
+                        subtreeIid.child(Ipv4Route.class).child(Attributes.class).child(Ipv4NextHop.class)),
+                new BindingBrokerWriter<>(IPV4_ROUTES_IID, dataBroker)
+        );
+    }
+}