2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2022 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.clamp.acm.participant.a1pms.handler;
23 import java.lang.invoke.MethodHandles;
24 import java.util.HashMap;
26 import java.util.UUID;
27 import javax.validation.Validation;
28 import javax.validation.ValidationException;
29 import lombok.AccessLevel;
31 import lombok.RequiredArgsConstructor;
33 import org.apache.http.HttpStatus;
34 import org.onap.policy.clamp.acm.participant.a1pms.exception.A1PolicyServiceException;
35 import org.onap.policy.clamp.acm.participant.a1pms.models.ConfigurationEntity;
36 import org.onap.policy.clamp.acm.participant.a1pms.webclient.AcA1PmsClient;
37 import org.onap.policy.clamp.acm.participant.intermediary.api.AutomationCompositionElementListener;
38 import org.onap.policy.clamp.acm.participant.intermediary.api.ParticipantIntermediaryApi;
39 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElement;
40 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionOrderedState;
41 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionState;
42 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantMessageType;
43 import org.onap.policy.common.utils.coder.Coder;
44 import org.onap.policy.common.utils.coder.CoderException;
45 import org.onap.policy.common.utils.coder.StandardCoder;
46 import org.onap.policy.models.base.PfModelException;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
49 import org.springframework.stereotype.Component;
52 * This class handles implementation of automationCompositionElement updates.
55 @RequiredArgsConstructor
56 public class AutomationCompositionElementHandler implements AutomationCompositionElementListener {
58 private static final Coder CODER = new StandardCoder();
60 private static final Logger LOGGER = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
63 private ParticipantIntermediaryApi intermediaryApi;
65 private final AcA1PmsClient acA1PmsClient;
67 // Map of acElement Id and A1PMS services
68 @Getter(AccessLevel.PACKAGE)
69 private final Map<UUID, ConfigurationEntity> configRequestMap = new HashMap<>();
72 * Handle a automation composition element state change.
74 * @param automationCompositionId the ID of the automation composition
75 * @param automationCompositionElementId the ID of the automation composition element
76 * @param currentState the current state of the automation composition element
77 * @param newState the state to which the automation composition element is changing to
78 * @throws PfModelException in case of a model exception
81 public void automationCompositionElementStateChange(UUID automationCompositionId,
82 UUID automationCompositionElementId, AutomationCompositionState currentState,
83 AutomationCompositionOrderedState newState) throws A1PolicyServiceException {
86 var configurationEntity = configRequestMap.get(automationCompositionElementId);
87 if (configurationEntity != null && acA1PmsClient.isPmsHealthy()) {
88 acA1PmsClient.deleteService(configurationEntity.getPolicyServiceEntities());
89 configRequestMap.remove(automationCompositionElementId);
90 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
91 automationCompositionElementId, newState, AutomationCompositionState.UNINITIALISED,
92 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
94 LOGGER.warn("Failed to connect with A1PMS. Service configuration is: {}", configurationEntity);
95 throw new A1PolicyServiceException(HttpStatus.SC_SERVICE_UNAVAILABLE,
96 "Unable to connect with A1PMS");
100 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
101 automationCompositionElementId, newState, AutomationCompositionState.PASSIVE,
102 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
105 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
106 automationCompositionElementId, newState, AutomationCompositionState.RUNNING,
107 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
110 LOGGER.warn("Cannot transition from state {} to state {}", currentState, newState);
116 * Callback method to handle an update on an automation composition element.
118 * @param automationCompositionId the ID of the automation composition
119 * @param element the information on the automation composition element
120 * @param properties properties Map
123 public void automationCompositionElementUpdate(UUID automationCompositionId,
124 AutomationCompositionElement element, Map<String, Object> properties) throws A1PolicyServiceException {
126 var configurationEntity = CODER.convert(properties, ConfigurationEntity.class);
128 Validation.buildDefaultValidatorFactory().getValidator().validate(configurationEntity);
129 if (violations.isEmpty()) {
130 if (acA1PmsClient.isPmsHealthy()) {
131 acA1PmsClient.createService(configurationEntity.getPolicyServiceEntities());
132 configRequestMap.put(element.getId(), configurationEntity);
134 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId, element.getId(),
135 AutomationCompositionOrderedState.PASSIVE, AutomationCompositionState.PASSIVE,
136 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
138 LOGGER.error("Failed to connect with A1PMS");
139 throw new A1PolicyServiceException(HttpStatus.SC_SERVICE_UNAVAILABLE,
140 "Unable to connect with A1PMS");
143 LOGGER.error("Violations found in the config request parameters: {}", violations);
144 throw new ValidationException("Constraint violations in the config request");
146 } catch (ValidationException | CoderException | A1PolicyServiceException e) {
147 throw new A1PolicyServiceException(HttpStatus.SC_BAD_REQUEST, "Invalid Configuration", e);