| /* |
| * Copyright 2015-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.rest.resources; |
| |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| |
| import static com.google.common.io.ByteStreams.toByteArray; |
| |
| /** |
| * Provides stream of diagnostic information. |
| */ |
| @Path("diagnostics") |
| public class DiagnosticsWebResource extends AbstractWebResource { |
| |
| private static final String COMMAND = "../bin/onos-node-diagnostics"; |
| private static final String DIAGS = "/tmp/onos-node-diags.tar.gz"; |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| /** |
| * Get tar.gz stream of node diagnostic information. |
| * |
| * @return 200 OK with a tar.gz stream of diagnostic data |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_OCTET_STREAM) |
| public Response getDiagnostics() { |
| try { |
| execute(COMMAND); |
| return ok(new FileInputStream(DIAGS)).build(); |
| } catch (IOException e) { |
| return Response.serverError().build(); |
| } |
| } |
| |
| // Executes the given command arguments as a system command. |
| private void execute(String command) throws IOException { |
| try { |
| Process process = Runtime.getRuntime().exec(command); |
| byte[] output = toByteArray(process.getInputStream()); |
| byte[] error = toByteArray(process.getErrorStream()); |
| int code = process.waitFor(); |
| if (code != 0) { |
| log.info("Command failed: status={}, output={}, error={}", |
| code, new String(output), new String(error)); |
| } |
| } catch (InterruptedException e) { |
| log.error("Interrupted executing command {}", command, e); |
| Thread.currentThread().interrupt(); |
| } |
| } |
| } |