2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 Samsung Electronics. All rights reserved.
6 * ================================================================================
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.
22 * ============LICENSE_END=========================================================
25 package org.onap.ccsdk.sli.adaptors.saltstack.impl;
27 import com.att.eelf.configuration.EELFLogger;
28 import com.att.eelf.configuration.EELFManager;
29 import org.json.JSONException;
30 import org.json.JSONObject;
31 import org.onap.ccsdk.sli.adaptors.saltstack.SaltstackAdapter;
32 import org.onap.ccsdk.sli.adaptors.saltstack.SaltstackAdapterPropertiesProvider;
33 import org.onap.ccsdk.sli.adaptors.saltstack.model.SaltstackMessageParser;
34 import org.onap.ccsdk.sli.adaptors.saltstack.model.SaltstackResult;
35 import org.onap.ccsdk.sli.adaptors.saltstack.model.SaltstackResultCodes;
36 import org.onap.ccsdk.sli.adaptors.saltstack.model.SaltstackServerEmulator;
37 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
38 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
41 import java.io.FileInputStream;
42 import java.io.FileNotFoundException;
43 import java.io.IOException;
44 import java.io.InputStream;
46 import java.util.Properties;
49 * This class implements the {@link SaltstackAdapter} interface. This interface defines the behaviors
50 * that our service provides.
52 public class SaltstackAdapterImpl implements SaltstackAdapter {
55 * The constant for the status code for a failed outcome
57 @SuppressWarnings("nls")
58 public static final String OUTCOME_FAILURE = "failure";
60 * The constant for the status code for a successful outcome
62 @SuppressWarnings("nls")
63 public static final String OUTCOME_SUCCESS = "success";
64 public static final String CONNECTION_RETRY = "withRetry";
65 private static final String APPC_EXCEPTION_CAUGHT = "APPCException caught";
69 private static final String ADAPTER_NAME = "Saltstack Adapter";
70 private static final String RESULT_CODE_ATTRIBUTE_NAME = "org.onap.appc.adapter.saltstack.result.code";
71 private static final String MESSAGE_ATTRIBUTE_NAME = "org.onap.appc.adapter.saltstack.message";
72 private static final String ID_ATTRIBUTE_NAME = "org.onap.appc.adapter.saltstack.Id";
73 private static final String CLIENT_TYPE_PROPERTY_NAME = "org.onap.appc.adapter.saltstack.clientType";
74 private static final String SS_SERVER_HOSTNAME = "org.onap.appc.adapter.saltstack.host";
75 private static final String SS_SERVER_PORT = "org.onap.appc.adapter.saltstack.port";
76 private static final String SS_SERVER_USERNAME = "org.onap.appc.adapter.saltstack.userName";
77 private static final String SS_SERVER_PASSWD = "org.onap.appc.adapter.saltstack.userPasswd";
78 private static final String SS_SERVER_SSH_KEY = "org.onap.appc.adapter.saltstack.sshKey";
80 private static final String COMMAND_IN_JSON_OUT = " --out=json --static ";
81 private static final String COMMAND_CHANGE_DEFAULT_DIR = " cd /srv/salt/ ;";
84 * The logger to be used
86 private static final EELFLogger logger = EELFManager.getInstance().getLogger(SaltstackAdapterImpl.class);
90 private ConnectionBuilder sshClient;
93 * Saltstack API Message Handlers
95 private SaltstackMessageParser messageProcessor;
98 * indicator whether in test mode
100 private boolean testMode = false;
103 * server emulator object to be used if in test mode
105 private SaltstackServerEmulator testServer;
108 * This default constructor is used as a work around because the activator wasn't getting called
110 public SaltstackAdapterImpl() throws SvcLogicException {
111 initialize(new SaltstackAdapterPropertiesProviderImpl());
114 public SaltstackAdapterImpl(SaltstackAdapterPropertiesProvider propProvider) throws SvcLogicException {
115 initialize(propProvider);
119 * Used for jUnit test and testing interface
121 public SaltstackAdapterImpl(boolean mode) {
123 testServer = new SaltstackServerEmulator();
124 messageProcessor = new SaltstackMessageParser();
128 * Returns the symbolic name of the adapter
130 * @return The adapter name
131 * @see SaltstackAdapter#getAdapterName()
134 public String getAdapterName() {
139 * Method posts info to Context memory in case of an error and throws a
140 * SvcLogicException causing SLI to register this as a failure
142 @SuppressWarnings("static-method")
143 private void doFailure(SvcLogicContext svcLogic, int code, String message) throws SvcLogicException {
144 logger.error(APPC_EXCEPTION_CAUGHT, message);
145 svcLogic.setStatus(OUTCOME_FAILURE);
146 svcLogic.setAttribute(RESULT_CODE_ATTRIBUTE_NAME, Integer.toString(code));
147 svcLogic.setAttribute(MESSAGE_ATTRIBUTE_NAME, message);
148 throw new SvcLogicException("Saltstack Adapter Error = " + message);
152 * initialize the Saltstack adapter based on default and over-ride configuration data
154 private void initialize(SaltstackAdapterPropertiesProvider propProvider) throws SvcLogicException {
157 Properties props = propProvider.getProperties();
159 // Create the message processor instance
160 messageProcessor = new SaltstackMessageParser();
162 // Create the ssh client instance
163 // type of client is extracted from the property file parameter
164 // org.onap.appc.adapter.saltstack.clientType
166 // 1. BASIC. SSH Connection using username and password
167 // 2. SSH_CERT (trust only those whose certificates have been stored in the SSH KEY file)
168 // 3. DEFAULT SSH Connection without any authentication
171 String clientType = props.getProperty(CLIENT_TYPE_PROPERTY_NAME);
172 logger.info("Saltstack ssh client type set to " + clientType);
174 if ("BASIC".equalsIgnoreCase(clientType)) {
175 logger.info("Creating ssh client connection");
176 // set path to keystore file
177 String sshHost = props.getProperty(SS_SERVER_HOSTNAME);
178 String sshPort = reqServerPort(props);
179 String sshUserName = props.getProperty(SS_SERVER_USERNAME);
180 String sshPassword = props.getProperty(SS_SERVER_PASSWD);
181 sshClient = new ConnectionBuilder(sshHost, sshPort, sshUserName, sshPassword);
182 } else if ("SSH_CERT".equalsIgnoreCase(clientType)) {
183 // set path to keystore file
184 String sshKey = props.getProperty(SS_SERVER_SSH_KEY);
185 String sshHost = props.getProperty(SS_SERVER_HOSTNAME);
186 String sshPort = reqServerPort(props);
187 logger.info("Creating ssh client with ssh KEY from " + sshKey);
188 sshClient = new ConnectionBuilder(sshHost, sshPort, sshKey);
190 logger.info("No saltstack-adapter.properties defined so reading from DG props");
193 } catch (NumberFormatException e) {
194 logger.error("Error Initializing Saltstack Adapter due to Unknown Exception", e);
195 throw new SvcLogicException("Saltstack Adapter Property file parsing Error = port in property file has to be an integer.");
196 } catch (Exception e) {
197 logger.error("Error Initializing Saltstack Adapter due to Exception", e);
198 throw new SvcLogicException("Saltstack Adapter Property file parsing Error = " + e.getMessage());
200 logger.info("Initialized Saltstack Adapter");
203 private String reqServerPort(Properties props) {
204 // use default port if null
205 if (props.getProperty(SS_SERVER_PORT) == null) {
208 return props.getProperty(SS_SERVER_PORT);
211 private void setSSHClient(Map<String, String> params) throws SvcLogicException {
212 if (sshClient == null) {
213 logger.info("saltstack-adapter.properties not defined so reading saltstack host and " +
214 "auth details from DG's parameters");
215 String sshHost = messageProcessor.reqHostNameResult(params);
216 String sshPort = messageProcessor.reqPortResult(params);
217 String sshUserName = messageProcessor.reqUserNameResult(params);
218 String sshPassword = messageProcessor.reqPasswordResult(params);
219 logger.info("Creating ssh client with BASIC Auth");
221 sshClient = new ConnectionBuilder(sshHost, sshPort, sshUserName, sshPassword);
226 private String parseEnvParam(JSONObject envParams) {
227 StringBuilder envParamBuilder = new StringBuilder();
228 if (envParams != null) {
229 for (Object key : envParams.keySet()) {
230 if (envParamBuilder.length() > 0) {
231 envParamBuilder.append(", ");
233 envParamBuilder.append(key + "=" + envParams.get((String) key));
234 logger.info("EnvParameters : " + envParamBuilder);
237 return envParamBuilder.toString();
240 private String parseFileParam(JSONObject fileParams) {
241 StringBuilder fileParamBuilder = new StringBuilder();
242 if (fileParams != null) {
243 for (Object key : fileParams.keySet()) {
244 fileParamBuilder.append("echo -e \"" + fileParams.get((String) key) + "\" > /srv/salt/" + key).append("; ");
245 logger.info("FileParameters : " + fileParamBuilder);
248 return fileParamBuilder.toString();
251 private String putToCommands(SvcLogicContext ctx, String slsFileName,
252 String applyTo, JSONObject envParams, JSONObject fileParams) throws SvcLogicException {
254 StringBuilder constructedCommand = new StringBuilder();
256 File file = new File(slsFileName);
257 String slsFile = file.getName();
258 if (!slsFile.substring(slsFile.lastIndexOf("."),
259 slsFile.length()).equalsIgnoreCase(".sls")) {
260 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(), "Input file " +
261 "is not of type .sls");
263 InputStream in = new FileInputStream(file);
264 byte[] data = new byte[(int) file.length()];
266 String str = new String(data, "UTF-8");
268 String slsWithoutExtn = stripExtension(slsFile);
269 constructedCommand.append(parseFileParam(fileParams)).append("echo -e \"").append(str).append("\" > /srv/salt/").
270 append(slsFile).append("; ").append(COMMAND_CHANGE_DEFAULT_DIR).append(" salt '").
271 append(applyTo).append("' state.apply ").append(slsWithoutExtn).append(" ").append(parseEnvParam(envParams)).append(COMMAND_IN_JSON_OUT);
273 logger.info("Command to be executed on server : " + constructedCommand.toString());
275 } catch (FileNotFoundException e) {
276 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(), "Input SLS file " +
277 "not found in path : " + slsFileName + ". " + e.getMessage());
278 } catch (IOException e) {
279 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(), "Input SLS file " +
280 "error in path : " + slsFileName + ". " + e.getMessage());
281 } catch (StringIndexOutOfBoundsException e) {
282 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(), "Input file " +
283 "is not of type .sls");
285 return constructedCommand.toString();
288 private String stripExtension(String str) {
292 int pos = str.lastIndexOf(".");
296 return str.substring(0, pos);
299 private String putToCommands(String slsName, String applyTo, JSONObject envParams, JSONObject fileParams) {
301 StringBuilder constructedCommand = new StringBuilder();
303 constructedCommand.append(parseFileParam(fileParams)).append(COMMAND_CHANGE_DEFAULT_DIR).append(" salt '").append(applyTo)
304 .append("' state.apply ").append(slsName).append(" ").append(parseEnvParam(envParams)).append(COMMAND_IN_JSON_OUT);
306 logger.info("Command to be executed on server : " + constructedCommand.toString());
307 return constructedCommand.toString();
310 private void checkResponseStatus(SaltstackResult testResult, SvcLogicContext ctx, String reqID, boolean slsExec)
311 throws SvcLogicException {
313 // Check status of test request returned by Agent
314 if (testResult.getStatusCode() != SaltstackResultCodes.FINAL_SUCCESS.getValue()) {
315 ctx.setAttribute(ID_ATTRIBUTE_NAME, reqID);
316 doFailure(ctx, testResult.getStatusCode(), "Request for execution of command failed. Reason = " + testResult.getStatusMessage());
318 logger.info(String.format("Execution of request : successful."));
319 ctx.setAttribute(RESULT_CODE_ATTRIBUTE_NAME, Integer.toString(testResult.getStatusCode()));
320 ctx.setAttribute(MESSAGE_ATTRIBUTE_NAME, OUTCOME_SUCCESS);
321 ctx.setAttribute(ID_ATTRIBUTE_NAME, reqID);
325 // Public Method to post single command request to execute saltState. Posts the following back
326 // to Svc context memory
327 // org.onap.appc.adapter.saltstack.req.code : 100 if successful
328 // org.onap.appc.adapter.saltstack.req.messge : any message
329 // org.onap.appc.adapter.saltstack.req.Id : a unique uuid to reference the request
331 public void reqExecCommand(Map<String, String> params, SvcLogicContext ctx) throws SvcLogicException {
334 SaltstackResult testResult;
335 setSSHClient(params);
337 reqID = messageProcessor.reqId(params);
338 String commandToExecute = messageProcessor.reqCmd(params);
339 slsExec = messageProcessor.reqIsSLSExec(params);
340 long execTimeout = messageProcessor.reqExecTimeout(params);
341 testResult = execCommand(ctx, params, commandToExecute, execTimeout);
342 testResult = messageProcessor.parseResponse(ctx, reqID, testResult, slsExec);
343 checkResponseStatus(testResult, ctx, reqID, slsExec);
344 } catch (IOException e) {
345 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(),
346 "IOException in file stream : " + e.getMessage());
351 * Public Method to post SLS command request to execute saltState on server. Posts the following back
352 * to Svc context memory
354 * org.onap.appc.adapter.saltstack.req.code : 200 if successful
355 * org.onap.appc.adapter.saltstack.req.messge : any message
356 * org.onap.appc.adapter.saltstack.req.Id : a unique uuid to reference the request
359 public void reqExecSLS(Map<String, String> params, SvcLogicContext ctx) throws SvcLogicException {
361 SaltstackResult testResult;
362 setSSHClient(params);
364 reqID = messageProcessor.reqId(params);
365 String slsName = messageProcessor.reqSlsName(params);
366 String applyTo = messageProcessor.reqApplyToDevices(params);
367 long execTimeout = messageProcessor.reqExecTimeout(params);
368 JSONObject envParams = messageProcessor.reqEnvParameters(params);
369 JSONObject fileParams = messageProcessor.reqFileParameters(params);
371 String commandToExecute = putToCommands(slsName, applyTo, envParams, fileParams);
372 testResult = execCommand(ctx, params, commandToExecute, execTimeout);
373 testResult = messageProcessor.parseResponse(ctx, reqID, testResult, true);
374 checkResponseStatus(testResult, ctx, reqID, true);
375 } catch (IOException e) {
376 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(),
377 "IOException in file stream : " + e.getMessage());
378 } catch (JSONException e) {
379 doFailure(ctx, SaltstackResultCodes.INVALID_COMMAND.getValue(), e.getMessage());
384 * Public Method to post SLS file request to execute saltState. Posts the following back
385 * to Svc context memory
387 * org.onap.appc.adapter.saltstack.req.code : 100 if successful
388 * org.onap.appc.adapter.saltstack.req.messge : any message
389 * org.onap.appc.adapter.saltstack.req.Id : a unique uuid to reference the request
392 public void reqExecSLSFile(Map<String, String> params, SvcLogicContext ctx) throws SvcLogicException {
394 SaltstackResult testResult;
395 setSSHClient(params);
397 reqID = messageProcessor.reqId(params);
398 String slsFile = messageProcessor.reqSlsFile(params);
399 String applyTo = messageProcessor.reqApplyToDevices(params);
400 long execTimeout = messageProcessor.reqExecTimeout(params);
401 JSONObject envParams = messageProcessor.reqEnvParameters(params);
402 JSONObject fileParams = messageProcessor.reqFileParameters(params);
404 String commandToExecute = putToCommands(ctx, slsFile, applyTo, envParams, fileParams);
405 testResult = execCommand(ctx, params, commandToExecute, execTimeout);
406 testResult = messageProcessor.parseResponse(ctx, reqID, testResult, true);
407 checkResponseStatus(testResult, ctx, reqID, true);
408 } catch (IOException e) {
409 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(),
410 "IOException in file stream : " + e.getMessage());
414 public SaltstackResult execCommand(SvcLogicContext ctx, Map<String, String> params, String commandToExecute,
416 throws SvcLogicException {
418 //convert execTimeout to Milliseconds
419 execTimeout = execTimeout * 1000;
420 SaltstackResult testResult = new SaltstackResult();
422 if (params.get(CONNECTION_RETRY) == null) {
424 testResult = sshClient.connectNExecute(commandToExecute, execTimeout);
426 testResult = testServer.mockReqExec(params);
428 } else if (params.get(CONNECTION_RETRY).equalsIgnoreCase("true")) {
430 testResult = sshClient.connectNExecute(commandToExecute, true, execTimeout);
432 testResult = testServer.mockReqExec(params);
436 testResult = sshClient.connectNExecute(commandToExecute, execTimeout);
438 testResult = testServer.mockReqExec(params);
441 } catch (IOException e) {
442 doFailure(ctx, SaltstackResultCodes.IO_EXCEPTION.getValue(),
443 "IOException in file stream : " + e.getMessage());