2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.healing.impl;
23 import org.openecomp.core.utilities.CommonMethods;
24 import org.openecomp.core.utilities.file.FileUtils;
25 import org.openecomp.core.utilities.json.JsonUtil;
26 import org.openecomp.sdc.common.errors.Messages;
27 import org.openecomp.sdc.common.session.SessionContextProviderFactory;
28 import org.openecomp.sdc.datatypes.error.ErrorLevel;
29 import org.openecomp.sdc.datatypes.model.ItemType;
30 import org.openecomp.sdc.healing.api.HealingManager;
31 import org.openecomp.sdc.healing.dao.HealingDao;
32 import org.openecomp.sdc.healing.interfaces.Healer;
33 import org.openecomp.sdc.healing.types.HealCode;
34 import org.openecomp.sdc.healing.types.HealerType;
35 import org.openecomp.sdc.logging.context.impl.MdcDataErrorMessage;
36 import org.openecomp.sdc.logging.types.LoggerConstants;
37 import org.openecomp.sdc.logging.types.LoggerErrorCode;
38 import org.openecomp.sdc.logging.types.LoggerErrorDescription;
39 import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
40 import org.openecomp.sdc.versioning.VersioningManager;
41 import org.openecomp.sdc.versioning.dao.types.Version;
42 import org.openecomp.sdc.versioning.dao.types.VersionStatus;
43 import org.openecomp.sdc.versioning.types.VersionCreationMethod;
45 import java.lang.reflect.InvocationTargetException;
46 import java.util.ArrayList;
47 import java.util.Collection;
48 import java.util.List;
50 import java.util.Objects;
51 import java.util.Optional;
52 import java.util.stream.Collectors;
55 * Created by Talio on 11/29/2016.
57 public class HealingManagerImpl implements HealingManager {
59 private static final String HEALERS_BY_ENTITY_TYPE_FILE = "entityHealingConfiguration.json";
60 private static final String HEALING_USER_SUFFIX = "_healer";
61 private static final String PUBLIC_USER = "public";
63 private HealingDao healingDao;
64 private VersioningManager versioningManager;
66 public HealingManagerImpl(VersioningManager versioningManager, HealingDao healingDao) {
67 this.versioningManager = versioningManager;
68 this.healingDao = healingDao;
72 public Optional<Version> healItemVersion(String itemId, Version version, ItemType itemType,
74 String user = getUser();
75 if (force || isPrivateHealingNeededByFlag(itemId, version.getId(), user)) {
76 version = versioningManager.get(itemId, version);
77 Version origVersion = version;
78 if (version.getStatus() == VersionStatus.Certified) {
79 Optional<Version> newVersion = createNewVersion(itemId, version);
80 if (!newVersion.isPresent()) {
81 // do NOT turn off flag here (in thought of saving version calculate performance next
82 // time) because maybe next time the next version will be available (due to deletion of
84 return Optional.empty();
86 version = newVersion.get();
89 doHeal(itemId, version, origVersion, itemType, user, force);
90 return Optional.of(version);
92 return Optional.empty();
95 private void doHeal(String itemId, Version version, Version origVersion,
96 ItemType itemType, String user, boolean force) {
97 Optional<String> privateFailureMessages =
98 healPrivate(itemId, version, origVersion, getItemHealers(itemType), user);
100 Optional<String> publicFailureMessages =
101 force || origVersion.getStatus() == VersionStatus.Certified ||
102 isPublicHealingNeededByFlag(itemId, origVersion.getId())
103 ? healPublic(itemId, version, origVersion, getItemHealers(itemType), user)
106 if (privateFailureMessages.isPresent() || publicFailureMessages.isPresent()) {
107 throw new RuntimeException(
108 publicFailureMessages.orElse("") + " " + privateFailureMessages.orElse(""));
112 private Optional<String> healPrivate(String itemId, Version version, Version origVersion,
113 Map<String, Map<String, String>> itemHealers, String user) {
114 if (origVersion.getStatus() != VersionStatus.Certified) {
115 itemHealers.remove(HealerType.structure.name());
118 Optional<String> privateHealingFailureMessages = executeHealers(itemId, version, itemHealers);
119 markAsHealed(itemId, origVersion.getId(), user);
120 return privateHealingFailureMessages;
123 private Optional<String> healPublic(String itemId, Version version, Version origVersion,
124 Map<String, Map<String, String>> itemHealers, String user) {
125 Optional<String> healingFailureMessages = origVersion.getStatus() == VersionStatus.Certified
127 : healPublic(itemId, version, itemHealers, user);
129 markAsHealed(itemId, origVersion.getId(), PUBLIC_USER);
130 return healingFailureMessages;
133 private Optional<String> healPublic(String itemId, Version version,
134 Map<String, Map<String, String>> itemHealers, String user) {
135 SessionContextProviderFactory.getInstance().createInterface()
136 .create(user + HEALING_USER_SUFFIX);
138 versioningManager.sync(itemId, version);
140 Optional<String> healingFailureMessages = executeHealers(itemId, version, itemHealers);
141 Version publicVersion = versioningManager.get(itemId, version);
143 if (Objects.nonNull(publicVersion.getState()) && publicVersion.getState().isDirty()) {
144 versioningManager.publish(itemId, version, "Healing vsp");
147 SessionContextProviderFactory.getInstance().createInterface().create(user);
148 return healingFailureMessages;
151 private Optional<Version> createNewVersion(String itemId, Version version) {
152 Version newVersion = new Version();
153 newVersion.setBaseId(version.getId());
155 return Optional.of(versioningManager.create(itemId, newVersion, VersionCreationMethod.major));
156 } catch (Exception e) {
157 return Optional.empty();
162 public Object heal(String itemId, Version version, HealerType healerType, HealCode code,
164 String healerClassName = getItemHealers(itemType).get(healerType.name()).get(code.name());
165 ArrayList<String> healingFailureMessages = new ArrayList<>();
167 Object result = executeHealer(itemId, version, healerClassName, healingFailureMessages);
169 if (!healingFailureMessages.isEmpty()) {
170 throw new RuntimeException(CommonMethods.listToSeparatedString(healingFailureMessages, '\n'));
175 private Optional<String> executeHealers(String itemId, Version version,
176 Map<String, Map<String, String>> itemHealers) {
177 List<String> healers = itemHealers.values().stream()
179 .flatMap(Collection::stream)
180 .collect(Collectors.toList());
182 List<String> healingFailureMessages = new ArrayList<>();
183 for (String implClassName : healers) {
184 executeHealer(itemId, version, implClassName, healingFailureMessages);
187 return healingFailureMessages.isEmpty()
189 : Optional.of(CommonMethods.listToSeparatedString(healingFailureMessages, '\n'));
193 private Object executeHealer(String itemId, Version version, String healerClassName,
194 List<String> healingFailureMessages) {
197 healer = getHealerImplInstance(healerClassName);
198 } catch (Exception e) {
199 MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
200 LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
201 .DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
202 healingFailureMessages
203 .add(String.format(Messages.CANT_LOAD_HEALING_CLASS.getErrorMessage(),
209 return healer.heal(itemId, version);
210 } catch (Exception e) {
211 MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
212 LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
213 .DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
214 healingFailureMessages.add(e.getMessage() + " ,healer name :" + healerClassName);
219 private boolean isPrivateHealingNeededByFlag(String itemId, String version, String user) {
220 Optional<Boolean> userHealingFlag = getHealingFlag(itemId, version, user);
221 return userHealingFlag.isPresent()
222 ? userHealingFlag.get()
223 : isPublicHealingNeededByFlag(itemId, version);
226 private boolean isPublicHealingNeededByFlag(String itemId, String versionId) {
227 Optional<Boolean> publicHealingFlag = getHealingFlag(itemId, versionId, PUBLIC_USER);
228 return publicHealingFlag.isPresent() && publicHealingFlag.get();
231 private Optional<Boolean> getHealingFlag(String itemId, String version, String user) {
232 return healingDao.getItemHealingFlag(user, itemId, version);
235 private void markAsHealed(String itemId, String versionId, String user) {
236 healingDao.setItemHealingFlag(false, user, itemId, versionId);
239 private Map<String, Map<String, String>> getItemHealers(ItemType itemType) {
240 // TODO: 11/29/2017 create objects to hold this configuration +
241 // load once from the json file and use the relevant healers (by itemType, healerType) as needed.
242 Map healingConfig = FileUtils
243 .readViaInputStream(HEALERS_BY_ENTITY_TYPE_FILE,
244 stream -> JsonUtil.json2Object(stream, Map.class));
245 return (Map<String, Map<String, String>>) healingConfig.get(itemType.name());
248 private Healer getHealerImplInstance(String implClassName)
249 throws InstantiationException, IllegalAccessException, InvocationTargetException,
250 NoSuchMethodException, ClassNotFoundException {
251 return (Healer) Class.forName(implClassName).getConstructor().newInstance();
254 private String getUser() {
255 return SessionContextProviderFactory.getInstance().createInterface().get().getUser()