| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.openstacknode.web; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Sets; |
| import org.onosproject.openstacknode.api.NodeState; |
| import org.onosproject.openstacknode.api.OpenstackNode; |
| import org.onosproject.openstacknode.api.OpenstackNodeAdminService; |
| import org.onosproject.openstacknode.api.OpenstackNodeService; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriBuilder; |
| import javax.ws.rs.core.UriInfo; |
| import java.io.InputStream; |
| import java.util.Set; |
| |
| import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT; |
| import static javax.ws.rs.core.Response.created; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| import static org.onlab.util.Tools.readTreeFromStream; |
| import static org.onosproject.openstacknode.api.NodeState.INCOMPLETE; |
| |
| /** |
| * Handles REST API call of openstack node config. |
| */ |
| |
| @Path("configure") |
| public class OpenstackNodeWebResource extends AbstractWebResource { |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String MESSAGE_NODE = "Received node %s request"; |
| private static final String NODES = "nodes"; |
| private static final String CREATE = "CREATE"; |
| private static final String UPDATE = "UPDATE"; |
| private static final String NODE_ID = "NODE_ID"; |
| private static final String DELETE = "DELETE"; |
| private static final String QUERY = "QUERY"; |
| private static final String INIT = "INIT"; |
| private static final String NOT_EXIST = "Not exist"; |
| private static final String STATE = "State"; |
| |
| private static final String HOST_NAME = "hostname"; |
| private static final String ERROR_MESSAGE = " cannot be null"; |
| |
| private final ObjectNode root = mapper().createObjectNode(); |
| private final ArrayNode osJsonNodes = root.putArray("nodes"); |
| |
| private final OpenstackNodeAdminService osNodeAdminService = |
| get(OpenstackNodeAdminService.class); |
| private final OpenstackNodeService osNodeService = |
| get(OpenstackNodeService.class); |
| |
| @Context |
| private UriInfo uriInfo; |
| |
| /** |
| * Creates a set of openstack nodes' config from the JSON input stream. |
| * |
| * @param input openstack nodes JSON input stream |
| * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON |
| * is malformed |
| * @onos.rsModel OpenstackNode |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createNodes(InputStream input) { |
| log.trace(String.format(MESSAGE_NODE, CREATE)); |
| |
| readNodeConfiguration(input).forEach(osNode -> { |
| OpenstackNode existing = osNodeService.node(osNode.hostname()); |
| if (existing == null) { |
| osNodeAdminService.createNode(osNode); |
| } |
| }); |
| |
| UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| .path(NODES) |
| .path(NODE_ID); |
| |
| return created(locationBuilder.build()).build(); |
| } |
| |
| /** |
| * Updates a set of openstack nodes' config from the JSON input stream. |
| * |
| * @param input openstack nodes JSON input stream |
| * @return 200 OK with the updated openstack node's config, 400 BAD_REQUEST |
| * if the JSON is malformed, and 304 NOT_MODIFIED without the updated config |
| * @onos.rsModel OpenstackNode |
| */ |
| @PUT |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response updateNodes(InputStream input) { |
| log.trace(String.format(MESSAGE_NODE, UPDATE)); |
| |
| Set<OpenstackNode> nodes = readNodeConfiguration(input); |
| for (OpenstackNode osNode: nodes) { |
| OpenstackNode existing = osNodeService.node(osNode.hostname()); |
| if (existing == null) { |
| log.warn("There is no node configuration to update : {}", osNode.hostname()); |
| return Response.notModified().build(); |
| } else if (!existing.equals(osNode)) { |
| osNodeAdminService.updateNode(osNode); |
| } |
| } |
| |
| return Response.ok().build(); |
| } |
| |
| /** |
| * Removes a set of openstack nodes' config from the JSON input stream. |
| * |
| * @param hostname host name contained in openstack nodes configuration |
| * @return 204 NO_CONTENT, 400 BAD_REQUEST if the JSON is malformed, and |
| * 304 NOT_MODIFIED without the updated config |
| * @onos.rsModel OpenstackNode |
| */ |
| @DELETE |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("{hostname}") |
| public Response deleteNodes(@PathParam("hostname") String hostname) { |
| log.trace(String.format(MESSAGE_NODE, DELETE)); |
| |
| OpenstackNode existing = |
| osNodeService.node(nullIsIllegal(hostname, HOST_NAME + ERROR_MESSAGE)); |
| |
| if (existing == null) { |
| log.warn("There is no node configuration to delete : {}", hostname); |
| return Response.notModified().build(); |
| } else { |
| osNodeAdminService.removeNode(hostname); |
| } |
| |
| return Response.noContent().build(); |
| } |
| |
| /** |
| * Obtains a set of openstack node's. |
| * |
| * @return 200 OK with array of all the openstack nodes stored in the system |
| * @onos.rsModel OpenstackNode |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response nodes() { |
| log.trace(String.format(MESSAGE_NODE, QUERY)); |
| |
| Set<OpenstackNode> osNodes = osNodeService.nodes(); |
| |
| for (OpenstackNode osNode : osNodes) { |
| osJsonNodes.add(codec(OpenstackNode.class).encode(osNode, this)); |
| } |
| return ok(root).build(); |
| } |
| |
| /** |
| * Obtains the state of the openstack node. |
| * |
| * @param hostname hostname of the openstack |
| * @return the state of the openstack node in Json |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("state/{hostname}") |
| public Response stateOfNode(@PathParam("hostname") String hostname) { |
| log.trace(String.format(MESSAGE_NODE, QUERY)); |
| |
| OpenstackNode osNode = osNodeService.node(hostname); |
| String nodeState = osNode != null ? osNode.state().toString() : NOT_EXIST; |
| |
| return ok(mapper().createObjectNode().put(STATE, nodeState)).build(); |
| } |
| |
| /** |
| * Initializes openstack node. |
| * |
| * @param hostname hostname of openstack node |
| * @return 200 OK with init result, 404 not found, 500 server error |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("init/node/{hostname}") |
| public Response initNode(@PathParam("hostname") String hostname) { |
| log.trace(String.format(MESSAGE_NODE, QUERY)); |
| |
| OpenstackNode osNode = osNodeService.node(hostname); |
| if (osNode == null) { |
| log.error("Given node {} does not exist", hostname); |
| return Response.serverError().build(); |
| } |
| OpenstackNode updated = osNode.updateState(NodeState.INIT); |
| osNodeAdminService.updateNode(updated); |
| return ok(mapper().createObjectNode()).build(); |
| } |
| |
| /** |
| * Initializes all openstack nodes. |
| * |
| * @return 200 OK with init result, 500 server error |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("init/all") |
| public Response initAllNodes() { |
| log.trace(String.format(MESSAGE_NODE, QUERY)); |
| |
| osNodeService.nodes() |
| .forEach(n -> { |
| OpenstackNode updated = n.updateState(NodeState.INIT); |
| osNodeAdminService.updateNode(updated); |
| }); |
| |
| return ok(mapper().createObjectNode()).build(); |
| } |
| |
| /** |
| * Initializes incomplete openstack nodes. |
| * |
| * @return 200 OK with init result, 500 server error |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Path("init/incomplete") |
| public Response initIncompleteNodes() { |
| log.trace(String.format(MESSAGE_NODE, QUERY)); |
| |
| osNodeService.nodes().stream() |
| .filter(n -> n.state() == INCOMPLETE) |
| .forEach(n -> { |
| OpenstackNode updated = n.updateState(NodeState.INIT); |
| osNodeAdminService.updateNode(updated); |
| }); |
| |
| return ok(mapper().createObjectNode()).build(); |
| } |
| |
| private Set<OpenstackNode> readNodeConfiguration(InputStream input) { |
| Set<OpenstackNode> nodeSet = Sets.newHashSet(); |
| try { |
| JsonNode jsonTree = readTreeFromStream(mapper().enable(INDENT_OUTPUT), input); |
| ArrayNode nodes = (ArrayNode) jsonTree.path(NODES); |
| nodes.forEach(node -> { |
| ObjectNode objectNode = node.deepCopy(); |
| OpenstackNode openstackNode = |
| codec(OpenstackNode.class).decode(objectNode, this); |
| |
| nodeSet.add(openstackNode); |
| }); |
| } catch (Exception e) { |
| throw new IllegalArgumentException(e); |
| } |
| |
| return nodeSet; |
| } |
| } |