Make neutron a simple osgi app
[controller.git] / opendaylight / networkconfiguration / neutron / northbound / src / main / java / org / opendaylight / controller / networkconfig / neutron / northbound / NeutronNetworksNorthbound.java
1 /*
2  * Copyright IBM Corporation, 2013.  All rights reserved.
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6  * and is available at http://www.eclipse.org/legal/epl-v10.html
7  */
8
9 package org.opendaylight.controller.networkconfig.neutron.northbound;
10
11 import java.util.ArrayList;
12 import java.util.HashMap;
13 import java.util.Iterator;
14 import java.util.List;
15
16 import javax.ws.rs.Consumes;
17 import javax.ws.rs.DELETE;
18 import javax.ws.rs.DefaultValue;
19 import javax.ws.rs.GET;
20 import javax.ws.rs.POST;
21 import javax.ws.rs.PUT;
22 import javax.ws.rs.Path;
23 import javax.ws.rs.PathParam;
24 import javax.ws.rs.Produces;
25 import javax.ws.rs.QueryParam;
26 import javax.ws.rs.core.Context;
27 import javax.ws.rs.core.MediaType;
28 import javax.ws.rs.core.Response;
29 import javax.ws.rs.core.UriInfo;
30
31 import org.codehaus.enunciate.jaxrs.ResponseCode;
32 import org.codehaus.enunciate.jaxrs.StatusCodes;
33 import org.codehaus.enunciate.jaxrs.TypeHint;
34 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkAware;
35 import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD;
36 import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces;
37 import org.opendaylight.controller.networkconfig.neutron.NeutronNetwork;
38
39 /**
40  * Neutron Northbound REST APIs for Network.<br>
41  * This class provides REST APIs for managing neutron Networks
42  *
43  * <br>
44  * <br>
45  * Authentication scheme : <b>HTTP Basic</b><br>
46  * Authentication realm : <b>opendaylight</b><br>
47  * Transport : <b>HTTP and HTTPS</b><br>
48  * <br>
49  * HTTPS Authentication is disabled by default. Administrator can enable it in
50  * tomcat-server.xml after adding a proper keystore / SSL certificate from a
51  * trusted authority.<br>
52  * More info :
53  * http://tomcat.apache.org/tomcat-7.0-doc/ssl-howto.html#Configuration
54  *
55  */
56
57 @Path("/networks")
58 public class NeutronNetworksNorthbound {
59
60     @Context
61     UriInfo uriInfo;
62
63     private NeutronNetwork extractFields(NeutronNetwork o, List<String> fields) {
64         return o.extractFields(fields);
65     }
66
67     /**
68      * Returns a list of all Networks */
69
70     @GET
71     @Produces({ MediaType.APPLICATION_JSON })
72     //@TypeHint(OpenStackNetworks.class)
73     @StatusCodes({
74         @ResponseCode(code = 200, condition = "Operation successful"),
75         @ResponseCode(code = 401, condition = "Unauthorized")})
76     public Response listNetworks(
77             // return fields
78             @QueryParam("fields") List<String> fields,
79             // note: openstack isn't clear about filtering on lists, so we aren't handling them
80             @QueryParam("id") String queryID,
81             @QueryParam("name") String queryName,
82             @QueryParam("admin_state_up") String queryAdminStateUp,
83             @QueryParam("status") String queryStatus,
84             @QueryParam("shared") String queryShared,
85             @QueryParam("tenant_id") String queryTenantID,
86             @QueryParam("router_external") String queryRouterExternal,
87             @QueryParam("provider_network_type") String queryProviderNetworkType,
88             @QueryParam("provider_physical_network") String queryProviderPhysicalNetwork,
89             @QueryParam("provider_segmentation_id") String queryProviderSegmentationID,
90             // linkTitle
91             @QueryParam("limit") Integer limit,
92             @QueryParam("marker") String marker,
93             @DefaultValue("false") @QueryParam("page_reverse") Boolean pageReverse
94             // sorting not supported
95             ) {
96         INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this);
97         if (networkInterface == null) {
98             throw new ServiceUnavailableException("Network CRUD Interface "
99                     + RestMessages.SERVICEUNAVAILABLE.toString());
100         }
101         List<NeutronNetwork> allNetworks = networkInterface.getAllNetworks();
102         List<NeutronNetwork> ans = new ArrayList<NeutronNetwork>();
103         Iterator<NeutronNetwork> i = allNetworks.iterator();
104         while (i.hasNext()) {
105             NeutronNetwork oSN = i.next();
106             //match filters: TODO provider extension
107             Boolean bAdminStateUp = null;
108             Boolean bShared = null;
109             Boolean bRouterExternal = null;
110             if (queryAdminStateUp != null) {
111                 bAdminStateUp = Boolean.valueOf(queryAdminStateUp);
112             }
113             if (queryShared != null) {
114                 bShared = Boolean.valueOf(queryShared);
115             }
116             if (queryRouterExternal != null) {
117                 bRouterExternal = Boolean.valueOf(queryRouterExternal);
118             }
119             if ((queryID == null || queryID.equals(oSN.getID())) &&
120                     (queryName == null || queryName.equals(oSN.getNetworkName())) &&
121                     (bAdminStateUp == null || bAdminStateUp.booleanValue() == oSN.isAdminStateUp()) &&
122                     (queryStatus == null || queryStatus.equals(oSN.getStatus())) &&
123                     (bShared == null || bShared.booleanValue() == oSN.isShared()) &&
124                     (bRouterExternal == null || bRouterExternal.booleanValue() == oSN.isRouterExternal()) &&
125                     (queryTenantID == null || queryTenantID.equals(oSN.getTenantID()))) {
126                 if (fields.size() > 0) {
127                     ans.add(extractFields(oSN,fields));
128                 } else {
129                     ans.add(oSN);
130                 }
131             }
132         }
133
134         if (limit != null && ans.size() > 1) {
135             // Return a paginated request
136             NeutronNetworkRequest request = (NeutronNetworkRequest) PaginatedRequestFactory.createRequest(limit,
137                     marker, pageReverse, uriInfo, ans, NeutronNetwork.class);
138             return Response.status(200).entity(request).build();
139         }
140
141     return Response.status(200).entity(new NeutronNetworkRequest(ans)).build();
142
143     }
144
145     /**
146      * Returns a specific Network */
147
148     @Path("{netUUID}")
149     @GET
150     @Produces({ MediaType.APPLICATION_JSON })
151     //@TypeHint(OpenStackNetworks.class)
152     @StatusCodes({
153         @ResponseCode(code = 200, condition = "Operation successful"),
154         @ResponseCode(code = 401, condition = "Unauthorized"),
155         @ResponseCode(code = 404, condition = "Not Found") })
156     public Response showNetwork(
157             @PathParam("netUUID") String netUUID,
158             // return fields
159             @QueryParam("fields") List<String> fields
160             ) {
161         INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
162         if (networkInterface == null) {
163             throw new ServiceUnavailableException("Network CRUD Interface "
164                     + RestMessages.SERVICEUNAVAILABLE.toString());
165         }
166         if (!networkInterface.networkExists(netUUID)) {
167             throw new ResourceNotFoundException("network UUID does not exist.");
168         }
169         if (fields.size() > 0) {
170             NeutronNetwork ans = networkInterface.getNetwork(netUUID);
171             return Response.status(200).entity(
172                     new NeutronNetworkRequest(extractFields(ans, fields))).build();
173         } else {
174             return Response.status(200).entity(
175                     new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();
176         }
177     }
178
179     /**
180      * Creates new Networks */
181     @POST
182     @Produces({ MediaType.APPLICATION_JSON })
183     @Consumes({ MediaType.APPLICATION_JSON })
184     @TypeHint(NeutronNetwork.class)
185     @StatusCodes({
186         @ResponseCode(code = 201, condition = "Created"),
187         @ResponseCode(code = 400, condition = "Bad Request"),
188         @ResponseCode(code = 401, condition = "Unauthorized") })
189     public Response createNetworks(final NeutronNetworkRequest input) {
190         INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
191         if (networkInterface == null) {
192             throw new ServiceUnavailableException("Network CRUD Interface "
193                     + RestMessages.SERVICEUNAVAILABLE.toString());
194         }
195         if (input.isSingleton()) {
196             NeutronNetwork singleton = input.getSingleton();
197
198             /*
199              * network ID can't already exist
200              */
201             if (networkInterface.networkExists(singleton.getID())) {
202                 throw new BadRequestException("network UUID already exists");
203             }
204
205             Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
206             if (instances != null) {
207                 for (Object instance : instances) {
208                     INeutronNetworkAware service = (INeutronNetworkAware) instance;
209                     int status = service.canCreateNetwork(singleton);
210                     if (status < 200 || status > 299) {
211                         return Response.status(status).build();
212                     }
213                 }
214             }
215
216             // add network to cache
217             singleton.initDefaults();
218             networkInterface.addNetwork(singleton);
219             if (instances != null) {
220                 for (Object instance : instances) {
221                     INeutronNetworkAware service = (INeutronNetworkAware) instance;
222                     service.neutronNetworkCreated(singleton);
223                 }
224             }
225
226         } else {
227             List<NeutronNetwork> bulk = input.getBulk();
228             Iterator<NeutronNetwork> i = bulk.iterator();
229             HashMap<String, NeutronNetwork> testMap = new HashMap<String, NeutronNetwork>();
230             Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
231             while (i.hasNext()) {
232                 NeutronNetwork test = i.next();
233
234                 /*
235                  * network ID can't already exist, nor can there be an entry for this UUID
236                  * already in this bulk request
237                  */
238                 if (networkInterface.networkExists(test.getID())) {
239                     throw new BadRequestException("network UUID already exists");
240                 }
241                 if (testMap.containsKey(test.getID())) {
242                     throw new BadRequestException("network UUID already exists");
243                 }
244                 if (instances != null) {
245                     for (Object instance: instances) {
246                         INeutronNetworkAware service = (INeutronNetworkAware) instance;
247                         int status = service.canCreateNetwork(test);
248                         if (status < 200 || status > 299) {
249                             return Response.status(status).build();
250                         }
251                     }
252                 }
253                 testMap.put(test.getID(),test);
254             }
255
256             // now that everything passed, add items to the cache
257             i = bulk.iterator();
258             while (i.hasNext()) {
259                 NeutronNetwork test = i.next();
260                 test.initDefaults();
261                 networkInterface.addNetwork(test);
262                 if (instances != null) {
263                     for (Object instance: instances) {
264                         INeutronNetworkAware service = (INeutronNetworkAware) instance;
265                         service.neutronNetworkCreated(test);
266                     }
267                 }
268             }
269         }
270         return Response.status(201).entity(input).build();
271     }
272
273     /**
274      * Updates a Network */
275     @Path("{netUUID}")
276     @PUT
277     @Produces({ MediaType.APPLICATION_JSON })
278     @Consumes({ MediaType.APPLICATION_JSON })
279     //@TypeHint(OpenStackNetworks.class)
280     @StatusCodes({
281         @ResponseCode(code = 200, condition = "Operation successful"),
282         @ResponseCode(code = 400, condition = "Bad Request"),
283         @ResponseCode(code = 403, condition = "Forbidden"),
284         @ResponseCode(code = 404, condition = "Not Found"), })
285     public Response updateNetwork(
286             @PathParam("netUUID") String netUUID, final NeutronNetworkRequest input
287             ) {
288         INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
289         if (networkInterface == null) {
290             throw new ServiceUnavailableException("Network CRUD Interface "
291                     + RestMessages.SERVICEUNAVAILABLE.toString());
292         }
293
294         /*
295          * network has to exist and only a single delta is supported
296          */
297         if (!networkInterface.networkExists(netUUID)) {
298             throw new ResourceNotFoundException("network UUID does not exist.");
299         }
300         if (!input.isSingleton()) {
301             throw new BadRequestException("only singleton edits supported");
302         }
303         NeutronNetwork delta = input.getSingleton();
304
305         /*
306          * transitions forbidden by Neutron
307          */
308         if (delta.getID() != null || delta.getTenantID() != null ||
309                 delta.getStatus() != null) {
310             throw new BadRequestException("attribute edit blocked by Neutron");
311         }
312
313         Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
314         if (instances != null) {
315             for (Object instance : instances) {
316                 INeutronNetworkAware service = (INeutronNetworkAware) instance;
317                 NeutronNetwork original = networkInterface.getNetwork(netUUID);
318                 int status = service.canUpdateNetwork(delta, original);
319                 if (status < 200 || status > 299) {
320                     return Response.status(status).build();
321                 }
322             }
323         }
324
325         // update network object and return the modified object
326                 networkInterface.updateNetwork(netUUID, delta);
327                 NeutronNetwork updatedSingleton = networkInterface.getNetwork(netUUID);
328                 if (instances != null) {
329                     for (Object instance : instances) {
330                         INeutronNetworkAware service = (INeutronNetworkAware) instance;
331                         service.neutronNetworkUpdated(updatedSingleton);
332                     }
333                 }
334                 return Response.status(200).entity(
335                         new NeutronNetworkRequest(networkInterface.getNetwork(netUUID))).build();
336     }
337
338     /**
339      * Deletes a Network */
340
341     @Path("{netUUID}")
342     @DELETE
343     @StatusCodes({
344         @ResponseCode(code = 204, condition = "No Content"),
345         @ResponseCode(code = 401, condition = "Unauthorized"),
346         @ResponseCode(code = 404, condition = "Not Found"),
347         @ResponseCode(code = 409, condition = "Network In Use") })
348     public Response deleteNetwork(
349             @PathParam("netUUID") String netUUID) {
350         INeutronNetworkCRUD networkInterface = NeutronCRUDInterfaces.getINeutronNetworkCRUD( this);
351         if (networkInterface == null) {
352             throw new ServiceUnavailableException("Network CRUD Interface "
353                     + RestMessages.SERVICEUNAVAILABLE.toString());
354         }
355
356         /*
357          * network has to exist and not be in use before it can be removed
358          */
359         if (!networkInterface.networkExists(netUUID)) {
360             throw new ResourceNotFoundException("network UUID does not exist.");
361         }
362         if (networkInterface.networkInUse(netUUID)) {
363             throw new ResourceConflictException("Network ID in use");
364         }
365
366         NeutronNetwork singleton = networkInterface.getNetwork(netUUID);
367         Object[] instances = NeutronUtil.getInstances(INeutronNetworkAware.class, this);
368         if (instances != null) {
369             for (Object instance : instances) {
370                 INeutronNetworkAware service = (INeutronNetworkAware) instance;
371                 int status = service.canDeleteNetwork(singleton);
372                 if (status < 200 || status > 299) {
373                     return Response.status(status).build();
374                 }
375             }
376         }
377         networkInterface.removeNetwork(netUUID);
378         if (instances != null) {
379             for (Object instance : instances) {
380                 INeutronNetworkAware service = (INeutronNetworkAware) instance;
381                 service.neutronNetworkDeleted(singleton);
382             }
383         }
384         return Response.status(204).build();
385     }
386 }