2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Modifications Copyright (C) 2019 IBM
10 * =============================================================================
11 * Licensed under the Apache License, Version 2.0 (the "License");
12 * you may not use this file except in compliance with the License.
13 * You may obtain a copy of the License at
15 * http://www.apache.org/licenses/LICENSE-2.0
17 * Unless required by applicable law or agreed to in writing, software
18 * distributed under the License is distributed on an "AS IS" BASIS,
19 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 * See the License for the specific language governing permissions and
21 * limitations under the License.
23 * ============LICENSE_END=========================================================
26 package org.onap.appc.adapter.ansible.model;
29 * This module implements the APP-C/Ansible Server interface
30 * based on the REST API specifications
32 import java.util.Collections;
33 import java.util.HashSet;
34 import java.util.Iterator;
37 import java.util.UUID;
38 import org.json.JSONArray;
39 import org.json.JSONException;
40 import org.json.JSONObject;
41 import org.onap.appc.exceptions.APPCException;
42 import com.google.common.base.Strings;
43 import org.slf4j.Logger;
44 import org.slf4j.LoggerFactory;
45 import org.apache.commons.lang.StringUtils;
48 * Class that validates and constructs requests sent/received from Ansible
51 public class AnsibleMessageParser {
53 private static final String STATUS_MESSAGE_KEY = "StatusMessage";
54 private static final String STATUS_CODE_KEY = "StatusCode";
55 private static final String SERVER_IP_KEY = "AnsibleServer";
56 private static final String PLAYBOOK_NAME_KEY = "PlaybookName";
57 private static final String AGENT_URL_KEY = "AgentUrl";
58 private static final String PASS_KEY = "Password";
59 private static final String USER_KEY = "User";
60 private static final String ID_KEY = "Id";
61 private static final String LOCAL_PARAMETERS_OPT_KEY = "LocalParameters";
62 private static final String FILE_PARAMETERS_OPT_KEY = "FileParameters";
63 private static final String ENV_PARAMETERS_OPT_KEY = "EnvParameters";
64 private static final String NODE_LIST_OPT_KEY = "NodeList";
65 private static final String TIMEOUT_OPT_KEY = "Timeout";
66 private static final String VERSION_OPT_KEY = "Version";
67 private static final String INVENTORY_NAMES_OPT_KEY = "InventoryNames";
68 private static final String ACTION_OPT_KEY = "Action";
69 private static final String OUTPUT_OPT_KEY = "Output";
70 private static final String JSON_ERROR_MESSAGE = "JSONException: Error parsing response";
72 private static final Logger LOGGER = LoggerFactory.getLogger(AnsibleMessageParser.class);
75 * Accepts a map of strings and a) validates if all parameters are appropriate
76 * (else, throws an exception) and b) if correct returns a JSON object with
77 * appropriate key-value pairs to send to the server.
79 * Mandatory parameters, that must be in the supplied information to the Ansible
80 * Adapter 1. URL to connect to 2. credentials for URL (assume username password
81 * for now) 3. Playbook name
84 public JSONObject reqMessage(Map<String, String> params) throws APPCException {
85 final String[] mandatoryTestParams = { AGENT_URL_KEY, PLAYBOOK_NAME_KEY, USER_KEY, PASS_KEY };
86 final String[] optionalTestParams = { ENV_PARAMETERS_OPT_KEY, NODE_LIST_OPT_KEY, LOCAL_PARAMETERS_OPT_KEY,
87 TIMEOUT_OPT_KEY, VERSION_OPT_KEY, FILE_PARAMETERS_OPT_KEY, ACTION_OPT_KEY, INVENTORY_NAMES_OPT_KEY };
89 JSONObject jsonPayload = new JSONObject();
91 for (String key : mandatoryTestParams) {
92 throwIfMissingMandatoryParam(params, key);
93 jsonPayload.put(key, params.get(key));
96 parseOptionalParams(params, optionalTestParams, jsonPayload);
98 // Generate a unique uuid for the test
99 String reqId = UUID.randomUUID().toString();
100 jsonPayload.put(ID_KEY, reqId);
106 * Method that validates that the Map has enough information to query Ansible
107 * server for a result. If so, it returns the appropriate url, else an empty
110 public String reqUriResult(Map<String, String> params) throws APPCException {
112 final String[] mandatoryTestParams = { AGENT_URL_KEY, ID_KEY, USER_KEY, PASS_KEY };
114 for (String key : mandatoryTestParams) {
115 throwIfMissingMandatoryParam(params, key);
117 return params.get(AGENT_URL_KEY) + "?Id=" + params.get(ID_KEY) + "&Type=GetResult";
121 * Method that validates that the Map has enough information to query Ansible
122 * server for a result. If so, it returns the appropriate url, else an empty
125 public String reqUriResultWithIP(Map<String, String> params, String serverIP) throws APPCException {
127 final String[] mandatoryTestParams = { AGENT_URL_KEY, ID_KEY, USER_KEY, PASS_KEY };
129 for (String key : mandatoryTestParams) {
130 throwIfMissingMandatoryParam(params, key);
132 String[] arr1 = params.get(AGENT_URL_KEY).split("//", 2);
133 String[] arr2 = arr1[1].split(":", 2);
134 return arr1[0] + "//" + serverIP + ":" + arr2[1] + "?Id=" + params.get(ID_KEY) + "&Type=GetResult";
138 * Method that validates that the Map has enough information to query Ansible
139 * server for logs. If so, it populates the appropriate returns the appropriate
140 * url, else an empty string.
142 public String reqUriLog(Map<String, String> params) throws APPCException {
144 final String[] mandatoryTestParams = { AGENT_URL_KEY, ID_KEY, USER_KEY, PASS_KEY };
146 for (String mandatoryParam : mandatoryTestParams) {
147 throwIfMissingMandatoryParam(params, mandatoryParam);
149 return params.get(AGENT_URL_KEY) + "?Id=" + params.get(ID_KEY) + "&Type=GetLog";
153 * This method parses response from the Ansible Server when we do a post and
154 * returns an AnsibleResult object.
156 public AnsibleResult parsePostResponse(String input) throws APPCException {
157 AnsibleResult ansibleResult;
159 JSONObject postResponse = new JSONObject(input);
161 int code = postResponse.getInt(STATUS_CODE_KEY);
162 String msg = postResponse.getString(STATUS_MESSAGE_KEY);
163 String serverIP = "";
164 if (postResponse.has(SERVER_IP_KEY))
165 serverIP = postResponse.getString(SERVER_IP_KEY);
168 int initResponseValue = AnsibleResultCodes.INITRESPONSE.getValue();
169 boolean validCode = AnsibleResultCodes.CODE.checkValidCode(initResponseValue, code);
171 throw new APPCException("Invalid InitResponse code = " + code + " received. MUST be one of "
172 + AnsibleResultCodes.CODE.getValidCodes(initResponseValue));
175 ansibleResult = new AnsibleResult(code, msg);
176 if (StringUtils.isNotBlank(serverIP))
177 ansibleResult.setServerIp(serverIP);
179 if (!postResponse.isNull(OUTPUT_OPT_KEY)) {
180 LOGGER.info("Processing results-output in post response");
181 JSONObject output = postResponse.getJSONObject(OUTPUT_OPT_KEY);
182 ansibleResult.setOutput(output.toString());
185 } catch (JSONException e) {
186 LOGGER.error(JSON_ERROR_MESSAGE, e);
187 ansibleResult = new AnsibleResult(600, "Error parsing response = " + input + ". Error = " + e.getMessage());
189 return ansibleResult;
193 * This method parses response from an Ansible server when we do a GET for a
194 * result and returns an AnsibleResult object.
196 public AnsibleResult parseGetResponse(String input) throws APPCException {
198 AnsibleResult ansibleResult = new AnsibleResult();
201 JSONObject postResponse = new JSONObject(input);
202 ansibleResult = parseGetResponseNested(ansibleResult, postResponse);
203 } catch (JSONException e) {
204 LOGGER.error(JSON_ERROR_MESSAGE, e);
205 ansibleResult = new AnsibleResult(AnsibleResultCodes.INVALID_PAYLOAD.getValue(),
206 "Error parsing response = " + input + ". Error = " + e.getMessage(), "");
208 return ansibleResult;
211 private AnsibleResult parseGetResponseNested(AnsibleResult ansibleResult, JSONObject postRsp) throws APPCException {
213 int codeStatus = postRsp.getInt(STATUS_CODE_KEY);
214 String messageStatus = postRsp.getString(STATUS_MESSAGE_KEY);
215 int finalCode = AnsibleResultCodes.FINAL_SUCCESS.getValue();
217 boolean valCode = AnsibleResultCodes.CODE.checkValidCode(AnsibleResultCodes.FINALRESPONSE.getValue(),
221 throw new APPCException("Invalid FinalResponse code = " + codeStatus + " received. MUST be one of "
222 + AnsibleResultCodes.CODE.getValidCodes(AnsibleResultCodes.FINALRESPONSE.getValue()));
225 ansibleResult.setStatusCode(codeStatus);
226 ansibleResult.setStatusMessage(messageStatus);
227 LOGGER.info("Received response with code = {}, Message = {}", codeStatus, messageStatus);
229 if (!postRsp.isNull("Results")) {
231 // Results are available. process them
232 // Results is a dictionary of the form
233 // {host :{status:s, group:g, message:m, hostname:h}, ...}
234 LOGGER.info("Processing results in response");
235 JSONObject results = postRsp.getJSONObject("Results");
236 LOGGER.info("Get JSON dictionary from Results ..");
237 Iterator<String> hosts = results.keys();
238 LOGGER.info("Iterating through hosts");
240 while (hosts.hasNext()) {
241 String host = hosts.next();
242 LOGGER.info("Processing host = {}",
243 (host.matches("^[\\w\\-.]+$")) ? host : "[unexpected value, logging suppressed]");
245 JSONObject hostResponse = results.getJSONObject(host);
246 int subCode = hostResponse.getInt(STATUS_CODE_KEY);
247 String message = hostResponse.getString(STATUS_MESSAGE_KEY);
249 LOGGER.info("Code = {}, Message = {}", subCode, message);
251 if (subCode != 200 || !(("SUCCESS").equals(message))) {
252 finalCode = AnsibleResultCodes.REQ_FAILURE.getValue();
254 } catch (JSONException e) {
255 LOGGER.error(JSON_ERROR_MESSAGE, e);
256 ansibleResult.setStatusCode(AnsibleResultCodes.INVALID_RESPONSE.getValue());
257 ansibleResult.setStatusMessage(String.format("Error processing response message = %s from host %s",
258 results.getString(host), host));
263 ansibleResult.setStatusCode(finalCode);
265 // We return entire Results object as message
266 ansibleResult.setResults(results.toString());
269 ansibleResult.setStatusCode(AnsibleResultCodes.INVALID_RESPONSE.getValue());
270 ansibleResult.setStatusMessage("Results not found in GET for response");
272 if (!postRsp.isNull(OUTPUT_OPT_KEY)) {
273 LOGGER.info("Processing results-output in response");
274 JSONObject output = postRsp.getJSONObject(OUTPUT_OPT_KEY);
275 ansibleResult.setOutput(output.toString());
278 return ansibleResult;
281 private void parseOptionalParams(Map<String, String> params, String[] optionalTestParams, JSONObject jsonPayload) {
283 Set<String> optionalParamsSet = new HashSet<>();
284 Collections.addAll(optionalParamsSet, optionalTestParams);
287 params.entrySet().stream().filter(entry -> optionalParamsSet.contains(entry.getKey()))
288 .filter(entry -> !Strings.isNullOrEmpty(entry.getValue()))
289 .forEach(entry -> parseOptionalParam(entry, jsonPayload));
293 private void parseOptionalParam(Map.Entry<String, String> params, JSONObject jsonPayload) {
294 String key = params.getKey();
295 String payload = params.getValue();
298 case TIMEOUT_OPT_KEY:
299 int timeout = Integer.parseInt(payload);
301 throw new NumberFormatException(" : specified negative integer for timeout = " + payload);
303 jsonPayload.put(key, payload);
306 case VERSION_OPT_KEY:
307 case INVENTORY_NAMES_OPT_KEY:
308 jsonPayload.put(key, payload);
311 case LOCAL_PARAMETERS_OPT_KEY:
312 case ENV_PARAMETERS_OPT_KEY:
313 JSONObject paramsJson = new JSONObject(payload);
314 jsonPayload.put(key, paramsJson);
317 case NODE_LIST_OPT_KEY:
318 JSONArray paramsArray = new JSONArray(payload);
319 jsonPayload.put(key, paramsArray);
322 case FILE_PARAMETERS_OPT_KEY:
323 jsonPayload.put(key, getFilePayload(payload));
332 * Return payload with escaped newlines
334 private JSONObject getFilePayload(String payload) {
335 String formattedPayload = payload.replace("\n", "\\n").replace("\r", "\\r");
336 return new JSONObject(formattedPayload);
339 private void throwIfMissingMandatoryParam(Map<String, String> params, String key) throws APPCException {
340 if (!params.containsKey(key)) {
341 throw new APPCException(String.format(
342 "Ansible: Mandatory AnsibleAdapter key %s not found in parameters provided by calling agent !",
345 if (Strings.isNullOrEmpty(params.get(key))) {
346 throw new APPCException(String.format(
347 "Ansible: Mandatory AnsibleAdapter key %s not found in parameters provided by calling agent !",