2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
23 package org.onap.appc.dg.ssh.impl;
25 import com.fasterxml.jackson.databind.ObjectMapper;
27 import java.io.ByteArrayOutputStream;
28 import java.io.IOException;
31 import org.onap.appc.adapter.ssh.SshAdapter;
32 import org.onap.appc.adapter.ssh.SshConnection;
33 import org.onap.appc.adapter.ssh.SshConnectionDetails;
34 import org.onap.appc.dg.ssh.SshService;
35 import org.onap.appc.exceptions.APPCException;
36 import com.att.eelf.configuration.EELFLogger;
37 import com.att.eelf.configuration.EELFManager;
38 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
41 public class SshServiceImpl implements SshService {
43 private static final EELFLogger logger = EELFManager.getInstance().getApplicationLogger();
44 private static final ObjectMapper mapper = new ObjectMapper();
46 private SshAdapter sshAdapter;
50 * <p>Used through blueprint.
51 * @param sshAdapter the SshAdapter
53 public void setSshAdapter(SshAdapter sshAdapter) {
54 this.sshAdapter = sshAdapter;
58 public void exec(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
59 SshConnectionDetails connectionDetails = resolveConnectionDetails(params.get(PARAM_IN_connection_details));
60 String command = params.get(PARAM_IN_command);
61 logger.debug("=> Connecting to SSH server...");
62 SshConnection sshConnection =
63 sshAdapter.getConnection(connectionDetails.getHost(), connectionDetails.getPort(),
64 connectionDetails.getUsername(), connectionDetails.getPassword());
65 sshConnection.connect();
67 logger.debug("=> Connected to SSH server...");
68 logger.debug("=> Running SSH command...");
69 long timeout = DEF_timeout;
70 String stimeout = params.get(PARAM_IN_timeout);
71 if ((stimeout != null && !stimeout.isEmpty())) {
72 timeout = Long.parseLong(stimeout);
74 sshConnection.setExecTimeout(timeout);
75 ByteArrayOutputStream stdout = new ByteArrayOutputStream();
76 ByteArrayOutputStream stderr = new ByteArrayOutputStream();
77 int status = sshConnection.execCommand(command, stdout, stderr);
78 String stdoutRes = stdout.toString();
79 String stderrRes = stderr.toString();
80 logger.debug("=> executed SSH command");
81 ctx.setAttribute(PARAM_OUT_status, String.format("%01d", status));
82 ctx.setAttribute(PARAM_OUT_stdout, stdoutRes);
83 ctx.setAttribute(PARAM_OUT_stderr, stderrRes);
85 sshConnection.disconnect();
89 private SshConnectionDetails resolveConnectionDetails(String connectionDetailsStr) throws APPCException {
90 SshConnectionDetails connectionDetails = null;
92 connectionDetails = mapper.readValue(connectionDetailsStr, SshConnectionDetails.class);
93 if (0 == connectionDetails.getPort()) connectionDetails.setPort(DEF_port);
94 } catch (IOException e) {
95 throw new APPCException(e);
97 return connectionDetails;
101 public void execWithStatusCheck(Map<String, String> params, SvcLogicContext ctx) throws APPCException {
103 int status = Integer.parseInt(ctx.getAttribute(PARAM_OUT_status));
104 if (status != DEF_SUCCESS_STATUS) {
105 StringBuilder errmsg = new StringBuilder();
106 errmsg.append("SSH command returned error status [").append(status).append(']');
107 String stderr = ctx.getAttribute(PARAM_OUT_stderr);
108 if ((stderr != null) && !stderr.isEmpty()) {
109 errmsg.append(". Error: [").append(stderr).append(']');
111 throw new APPCException(errmsg.toString());