Added wrapper application of openstack4j

It is impossible to use openstack4j directly from ONOS apps
due to the Jersey version conflict.

Change-Id: I2df32430de42d627b03e0a2f8d8d2b9067ad3e14

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016 Open Networking Laboratory
+  ~
+  ~ 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.
+  -->
+<app name="org.onosproject.openstack4j" origin="ON.Lab" version="${project.version}"
+     category="default" url="http://onosproject.org"
+     featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
+     features="${project.artifactId}" apps="">
+    <description>${project.description}</description>
+    <artifact>mvn:${project.groupId}/onos-app-openstack4j/${project.version}</artifact>
+</app>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ Copyright 2016 Open Networking Laboratory
+  ~
+  ~ 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.
+  -->
+<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
+    <feature name="${project.artifactId}" version="${project.version}" description="${project.description}">
+        <bundle>mvn:${project.groupId}/onos-app-openstack4j/${project.version}</bundle>
+        <bundle>wrap:mvn:org.pacesys/openstack4j/2.10/jar/withdeps$Bundle-SymbolicName=openstack4j&amp;Bundle-Version=2.10</bundle>
+    </feature>
+</features>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2016 Open Networking Laboratory
+  ~
+  ~ 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">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.onosproject</groupId>
+        <artifactId>onos-apps</artifactId>
+        <version>1.5.0-SNAPSHOT</version>
+        <relativePath>../pom.xml</relativePath>
+    </parent>
+
+    <artifactId>onos-app-openstack4j</artifactId>
+    <packaging>bundle</packaging>
+
+    <description>Wrapper application of openstack4j.</description>
+
+    <properties>
+        <onos.app.name>org.onosproject.openstack4j</onos.app.name>
+        <onos.app.category>default</onos.app.category>
+        <onos.app.url>http://onosproject.org</onos.app.url>
+        <onos.app.readme>Wrapper application of openstack4j.</onos.app.readme>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.osgi</groupId>
+            <artifactId>org.osgi.compendium</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.pacesys</groupId>
+            <artifactId>openstack4j</artifactId>
+            <version>2.10</version>
+            <classifier>withdeps</classifier>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <extensions>true</extensions>
+                <configuration>
+                    <instructions>
+                        <Bundle-SymbolicName>${project.artifactId}</Bundle-SymbolicName>
+                        <Import-Package>
+                            org.slf4j,
+                            javax.xml.*,
+                            javax.net.*,
+                            javax.activation,
+                            org.w3c.dom.*,
+                            org.xml.sax.*,
+                            !com.sun.jdi,
+                            !org.openstack4j.*
+                        </Import-Package>
+                        <Export-Package>
+                            org.onosproject.openstack4j,
+                            org.openstack4j.api,
+                            org.openstack4j.model.network.*
+                        </Export-Package>
+                        <Embed-Transitive>true</Embed-Transitive>
+                        <Embed-Dependency>openstack4j</Embed-Dependency>
+                    </instructions>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>

+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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 org.onosproject.openstack4j;
+
+import org.apache.felix.scr.annotations.Activate;
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Deactivate;
+import org.apache.felix.scr.annotations.Service;
+import org.openstack4j.api.OSClient;
+import org.openstack4j.api.exceptions.AuthenticationException;
+import org.openstack4j.model.network.Network;
+import org.openstack4j.model.network.Port;
+import org.openstack4j.model.network.Subnet;
+import org.openstack4j.model.network.options.PortListOptions;
+import org.openstack4j.openstack.OSFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Wrapper implementation of openstack4j.
+ */
+@Component(immediate = true)
+@Service
+public class OpenStack4jManager implements OpenStack4jService {
+
+    private final Logger log = LoggerFactory.getLogger(getClass());
+
+    @Activate
+    protected void activate() {
+        log.info("Started");
+    }
+
+    @Deactivate
+    protected void deactivate() {
+        log.info("Stopped");
+    }
+
+    @Override
+    public OSClient getClient(String endpoint, String tenant, String user, String password) {
+        try {
+            return OSFactory.builder()
+                    .endpoint(endpoint)
+                    .credentials(user, password)
+                    .tenantName(tenant)
+                    .authenticate();
+        } catch (AuthenticationException e) {
+            log.warn("Failed to authenticate");
+            return null;
+        }
+    }
+
+    @Override
+    public List<Network> getNetworks(OSClient client) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().network().list()
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public Network getNetwork(OSClient client, String networkId) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().network().get(networkId);
+    }
+
+    @Override
+    public List<Port> getPorts(OSClient client) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().port().list()
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public List<Port> getPorts(OSClient client, PortListOptions options) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().port().list(options)
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public Port getPort(OSClient client, String portId) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().port().get(portId);
+    }
+
+    @Override
+    public List<Subnet> getSubnets(OSClient client) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().subnet().list()
+                .stream()
+                .collect(Collectors.toList());
+    }
+
+    @Override
+    public Subnet getSubnet(OSClient client, String subnetId) {
+        checkNotNull(client, "OSClient is null");
+        return client.networking().subnet().get(subnetId);
+    }
+}

+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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 org.onosproject.openstack4j;
+
+import org.openstack4j.api.OSClient;
+import org.openstack4j.model.network.Network;
+import org.openstack4j.model.network.Port;
+import org.openstack4j.model.network.Subnet;
+import org.openstack4j.model.network.options.PortListOptions;
+
+import java.util.List;
+
+/**
+ * Wrapper service of openstack4j.
+ */
+public interface OpenStack4jService {
+
+    /**
+     * Returns OpenStack REST client.
+     *
+     * @param endpoint endpoint URL
+     * @param tenant tenant name
+     * @param user user name
+     * @param password password
+     * @return openstack rest client or null if auth failed
+     */
+    OSClient getClient(String endpoint, String tenant, String user, String password);
+
+    /**
+     * Returns list of networks with a client information.
+     *
+     * @param client openstack rest client
+     * @return list of networks or empty list if no networks
+     */
+    List<Network> getNetworks(OSClient client);
+
+    /**
+     * Returns network information.
+     *
+     * @param client openstack rest client
+     * @param networkId network id
+     * @return network or null if not found
+     */
+    Network getNetwork(OSClient client, String networkId);
+
+    /**
+     * Returns all ports.
+     *
+     * @param client openstack rest client
+     * @return list of port or empty list if no ports
+     */
+    List<Port> getPorts(OSClient client);
+
+    /**
+     * Returns ports with a given options.
+     *
+     * @param client openstack rest client
+     * @param options port list options
+     * @return port list or empty list if no ports
+     */
+    List<Port> getPorts(OSClient client, PortListOptions options);
+
+    /**
+     * Returns port with a given port ID.
+     *
+     * @param client openstack rest client
+     * @param portId port id
+     * @return port or null if not found
+     */
+    Port getPort(OSClient client, String portId);
+
+    /**
+     * Returns all subnets.
+     *
+     * @param client openstack rest client
+     * @return subnet list or empty list if no subnets
+     */
+    List<Subnet> getSubnets(OSClient client);
+
+    /**
+     * Returns subnet with a given subnet ID.
+     *
+     * @param client openstack rest client
+     * @param subnetId subnet id
+     * @return subnet or null if not found
+     */
+    Subnet getSubnet(OSClient client, String subnetId);
+}

+/*
+ * Copyright 2016 Open Networking Laboratory
+ *
+ * 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.
+ */
+
+/**
+ * Wrapper application of openstack4j.
+ */
+package org.onosproject.openstack4j;
\ No newline at end of file

@@ -68,6 +68,7 @@
         <module>vpls</module>
         <module>openstacknode</module>
         <module>openstacknetworking</module>
+        <module>openstack4j</module>
   </modules>
 
     <properties>