2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021-2024 Nordix Foundation.
4 * ================================================================================
5 * Modifications Copyright (C) 2021 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.
19 * SPDX-License-Identifier: Apache-2.0
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.clamp.acm.participant.policy.main.handler;
25 import jakarta.ws.rs.core.Response.Status;
26 import java.util.ArrayList;
27 import java.util.List;
29 import java.util.UUID;
30 import org.apache.http.HttpStatus;
31 import org.onap.policy.clamp.acm.participant.intermediary.api.CompositionElementDto;
32 import org.onap.policy.clamp.acm.participant.intermediary.api.InstanceElementDto;
33 import org.onap.policy.clamp.acm.participant.intermediary.api.ParticipantIntermediaryApi;
34 import org.onap.policy.clamp.acm.participant.intermediary.api.impl.AcElementListenerV2;
35 import org.onap.policy.clamp.acm.participant.policy.client.PolicyApiHttpClient;
36 import org.onap.policy.clamp.acm.participant.policy.client.PolicyPapHttpClient;
37 import org.onap.policy.clamp.models.acm.concepts.DeployState;
38 import org.onap.policy.clamp.models.acm.concepts.StateChangeResult;
39 import org.onap.policy.common.utils.coder.Coder;
40 import org.onap.policy.common.utils.coder.CoderException;
41 import org.onap.policy.common.utils.coder.StandardCoder;
42 import org.onap.policy.models.base.PfModelException;
43 import org.onap.policy.models.pdp.concepts.DeploymentSubGroup;
44 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
45 import org.onap.policy.models.tosca.authorative.concepts.ToscaServiceTemplate;
46 import org.slf4j.Logger;
47 import org.slf4j.LoggerFactory;
48 import org.springframework.stereotype.Component;
51 * This class handles implementation of automationCompositionElement updates.
54 public class AutomationCompositionElementHandler extends AcElementListenerV2 {
56 private static final Logger LOGGER = LoggerFactory.getLogger(AutomationCompositionElementHandler.class);
57 private static final Coder CODER = new StandardCoder();
59 private final PolicyApiHttpClient apiHttpClient;
60 private final PolicyPapHttpClient papHttpClient;
65 * @param apiHttpClient the PolicyApi Http Client
66 * @param papHttpClient the Policy Pap Http Client
67 * @param intermediaryApi the Participant Intermediary Api
69 public AutomationCompositionElementHandler(PolicyApiHttpClient apiHttpClient, PolicyPapHttpClient papHttpClient,
70 ParticipantIntermediaryApi intermediaryApi) {
71 super(intermediaryApi);
72 this.apiHttpClient = apiHttpClient;
73 this.papHttpClient = papHttpClient;
77 * Callback method to handle a automation composition element state change.
79 * @param compositionElement the information of the Automation Composition Definition Element
80 * @param instanceElement the information of the Automation Composition Instance Element
81 * @throws PfModelException in case of a model exception
84 public void undeploy(CompositionElementDto compositionElement, InstanceElementDto instanceElement)
85 throws PfModelException {
86 var automationCompositionDefinition = getToscaServiceTemplate(instanceElement.inProperties());
87 if (automationCompositionDefinition.getToscaTopologyTemplate() == null) {
88 LOGGER.debug("No policies to undeploy to {}", instanceElement.elementId());
89 intermediaryApi.updateAutomationCompositionElementState(instanceElement.instanceId(),
90 instanceElement.elementId(), DeployState.UNDEPLOYED, null, StateChangeResult.NO_ERROR,
94 var policyList = getPolicyList(automationCompositionDefinition);
95 undeployPolicies(policyList, instanceElement.elementId());
96 var policyTypeList = getPolicyTypeList(automationCompositionDefinition);
97 deletePolicyData(policyTypeList, policyList);
98 intermediaryApi.updateAutomationCompositionElementState(instanceElement.instanceId(),
99 instanceElement.elementId(), DeployState.UNDEPLOYED, null, StateChangeResult.NO_ERROR,
103 private void deletePolicyData(List<ToscaConceptIdentifier> policyTypeList,
104 List<ToscaConceptIdentifier> policyList) {
105 // Delete all policies of this automationComposition from policy framework
106 for (var policy : policyList) {
107 apiHttpClient.deletePolicy(policy.getName(), policy.getVersion());
109 // Delete all policy types of this automation composition from policy framework
110 for (var policyType : policyTypeList) {
111 apiHttpClient.deletePolicyType(policyType.getName(), policyType.getVersion());
115 private void deployPolicies(List<ToscaConceptIdentifier> policyList, UUID automationCompositionId,
116 UUID automationCompositionElementId) throws PfModelException {
117 var deployFailure = false;
118 // Deploy all policies of this automationComposition from Policy Framework
119 if (!policyList.isEmpty()) {
120 for (var policy : policyList) {
121 var deployPolicyResp = papHttpClient.handlePolicyDeployOrUndeploy(policy.getName(), policy.getVersion(),
122 DeploymentSubGroup.Action.POST).getStatus();
123 if (deployPolicyResp != HttpStatus.SC_ACCEPTED) {
124 deployFailure = true;
127 LOGGER.info("Policies deployed to {} successfully", automationCompositionElementId);
129 LOGGER.debug("No policies to deploy to {}", automationCompositionElementId);
131 if (!deployFailure) {
132 // Update the AC element state
133 intermediaryApi.sendAcElementInfo(automationCompositionId, automationCompositionElementId, "IDLE",
134 "ENABLED", Map.of());
135 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
136 automationCompositionElementId, DeployState.DEPLOYED, null, StateChangeResult.NO_ERROR, "Deployed");
138 throw new PfModelException(Status.BAD_REQUEST, "Deploy of Policy failed.");
142 private void undeployPolicies(List<ToscaConceptIdentifier> policyList, UUID automationCompositionElementId) {
143 // Undeploy all policies of this automation composition from Policy Framework
144 if (!policyList.isEmpty()) {
145 for (var policy : policyList) {
146 papHttpClient.handlePolicyDeployOrUndeploy(policy.getName(), policy.getVersion(),
147 DeploymentSubGroup.Action.DELETE);
149 LOGGER.debug("Undeployed policies from {} successfully", automationCompositionElementId);
151 LOGGER.debug("No policies are deployed to {}", automationCompositionElementId);
156 * Callback method to handle an update on automation composition element.
158 * @param compositionElement the information of the Automation Composition Definition Element
159 * @param instanceElement the information of the Automation Composition Instance Element
160 * @throws PfModelException from Policy framework
163 public void deploy(CompositionElementDto compositionElement, InstanceElementDto instanceElement)
164 throws PfModelException {
165 var createPolicyTypeResp = HttpStatus.SC_OK;
166 var createPolicyResp = HttpStatus.SC_OK;
168 var automationCompositionDefinition = getToscaServiceTemplate(instanceElement.inProperties());
169 if (automationCompositionDefinition.getToscaTopologyTemplate() == null) {
170 intermediaryApi.updateAutomationCompositionElementState(instanceElement.instanceId(),
171 instanceElement.elementId(), DeployState.UNDEPLOYED, null, StateChangeResult.FAILED,
172 "ToscaTopologyTemplate not defined");
175 if (automationCompositionDefinition.getPolicyTypes() != null) {
176 LOGGER.info("Found Policy Types in automation composition definition: {} , Creating Policy Types",
177 automationCompositionDefinition.getName());
178 try (var response = apiHttpClient.createPolicyType(automationCompositionDefinition)) {
179 createPolicyTypeResp = response.getStatus();
182 if (automationCompositionDefinition.getToscaTopologyTemplate().getPolicies() != null) {
183 LOGGER.info("Found Policies in automation composition definition: {} , Creating Policies",
184 automationCompositionDefinition.getName());
185 try (var response = apiHttpClient.createPolicy(automationCompositionDefinition)) {
186 createPolicyResp = response.getStatus();
189 if (isSuccess(createPolicyTypeResp) && isSuccess(createPolicyResp)) {
191 "PolicyTypes/Policies for the automation composition element : {} are created " + "successfully",
192 instanceElement.elementId());
193 var policyList = getPolicyList(automationCompositionDefinition);
194 deployPolicies(policyList, instanceElement.instanceId(), instanceElement.elementId());
196 intermediaryApi.updateAutomationCompositionElementState(instanceElement.instanceId(),
197 instanceElement.elementId(), DeployState.UNDEPLOYED, null, StateChangeResult.FAILED,
198 "Creation of PolicyTypes/Policies failed. Policies will not be deployed.");
202 private boolean isSuccess(int status) {
203 return status == HttpStatus.SC_OK || status == HttpStatus.SC_CREATED;
206 private List<ToscaConceptIdentifier> getPolicyTypeList(ToscaServiceTemplate serviceTemplate) {
207 List<ToscaConceptIdentifier> policyTypeList = new ArrayList<>();
208 if (serviceTemplate.getPolicyTypes() != null) {
209 for (var policyType : serviceTemplate.getPolicyTypes().values()) {
210 policyTypeList.add(policyType.getKey().asIdentifier());
214 return policyTypeList;
217 private List<ToscaConceptIdentifier> getPolicyList(ToscaServiceTemplate serviceTemplate) {
218 List<ToscaConceptIdentifier> policyList = new ArrayList<>();
219 if (serviceTemplate.getToscaTopologyTemplate().getPolicies() != null) {
220 for (var gotPolicyMap : serviceTemplate.getToscaTopologyTemplate().getPolicies()) {
221 for (var policy : gotPolicyMap.values()) {
222 policyList.add(policy.getKey().asIdentifier());
230 private ToscaServiceTemplate getToscaServiceTemplate(Map<String, Object> properties) throws PfModelException {
232 return CODER.convert(properties, ToscaServiceTemplate.class);
233 } catch (CoderException e) {
234 throw new PfModelException(Status.BAD_REQUEST, e.getMessage());