2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021-2022 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.kubernetes.handler;
23 import java.io.IOException;
24 import java.lang.invoke.MethodHandles;
25 import java.util.HashMap;
27 import java.util.UUID;
28 import java.util.concurrent.ConcurrentHashMap;
29 import java.util.concurrent.ExecutionException;
30 import java.util.concurrent.ExecutorService;
31 import java.util.concurrent.Executors;
32 import lombok.AccessLevel;
35 import org.onap.policy.clamp.acm.participant.intermediary.api.AutomationCompositionElementListener;
36 import org.onap.policy.clamp.acm.participant.intermediary.api.ParticipantIntermediaryApi;
37 import org.onap.policy.clamp.acm.participant.kubernetes.exception.ServiceException;
38 import org.onap.policy.clamp.acm.participant.kubernetes.helm.PodStatusValidator;
39 import org.onap.policy.clamp.acm.participant.kubernetes.models.ChartInfo;
40 import org.onap.policy.clamp.acm.participant.kubernetes.service.ChartService;
41 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionElement;
42 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionOrderedState;
43 import org.onap.policy.clamp.models.acm.concepts.AutomationCompositionState;
44 import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantMessageType;
45 import org.onap.policy.common.utils.coder.Coder;
46 import org.onap.policy.common.utils.coder.CoderException;
47 import org.onap.policy.common.utils.coder.StandardCoder;
48 import org.onap.policy.models.base.PfModelException;
49 import org.slf4j.Logger;
50 import org.slf4j.LoggerFactory;
51 import org.springframework.beans.factory.annotation.Autowired;
52 import org.springframework.stereotype.Component;
55 * This class handles implementation of automationCompositionElement updates.
58 public class AutomationCompositionElementHandler implements AutomationCompositionElementListener {
59 private static final Logger LOGGER = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
61 private ExecutorService executor = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
63 // Map of helm installation and the status of corresponding pods
65 private static Map<String, Map<String, String>> podStatusMap = new ConcurrentHashMap<>();
66 private static final Coder CODER = new StandardCoder();
69 private ChartService chartService;
72 private ParticipantIntermediaryApi intermediaryApi;
74 // Map of acElement Id and installed Helm charts
75 @Getter(AccessLevel.PACKAGE)
76 private final Map<UUID, ChartInfo> chartMap = new HashMap<>();
78 // Default thread config values
79 private static class ThreadConfig {
80 private int uninitializedToPassiveTimeout = 60;
81 private int podStatusCheckInterval = 30;
85 * Callback method to handle a automation composition element state change.
87 * @param automationCompositionElementId the ID of the automation composition element
88 * @param currentState the current state of the automation composition element
89 * @param newState the state to which the automation composition element is changing to
92 public synchronized void automationCompositionElementStateChange(UUID automationCompositionId,
93 UUID automationCompositionElementId, AutomationCompositionState currentState,
94 AutomationCompositionOrderedState newState) {
97 var chart = chartMap.get(automationCompositionElementId);
99 LOGGER.info("Helm deployment to be deleted {} ", chart.getReleaseName());
101 chartService.uninstallChart(chart);
102 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
103 automationCompositionElementId, newState, AutomationCompositionState.UNINITIALISED,
104 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
105 chartMap.remove(automationCompositionElementId);
106 podStatusMap.remove(chart.getReleaseName());
107 } catch (ServiceException se) {
108 LOGGER.warn("Deletion of Helm deployment failed", se);
113 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
114 automationCompositionElementId, newState, AutomationCompositionState.PASSIVE,
115 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
118 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId,
119 automationCompositionElementId, newState, AutomationCompositionState.RUNNING,
120 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);
123 LOGGER.warn("Cannot transition from state {} to state {}", currentState, newState);
129 * Callback method to handle an update on a automation composition element.
131 * @param automationCompositionId the automationComposition Id
132 * @param element the information on the automation composition element
133 * @param properties properties Map
134 * @throws PfModelException in case of an exception
137 public synchronized void automationCompositionElementUpdate(UUID automationCompositionId,
138 AutomationCompositionElement element, Map<String, Object> properties) throws PfModelException {
139 @SuppressWarnings("unchecked")
140 var chartData = (Map<String, Object>) properties.get("chart");
142 LOGGER.info("Installation request received for the Helm Chart {} ", chartData);
144 var chartInfo = CODER.convert(chartData, ChartInfo.class);
145 if (chartService.installChart(chartInfo)) {
146 chartMap.put(element.getId(), chartInfo);
148 var config = CODER.convert(properties, ThreadConfig.class);
149 checkPodStatus(automationCompositionId, element.getId(), chartInfo,
150 config.uninitializedToPassiveTimeout, config.podStatusCheckInterval);
152 } catch (ServiceException | CoderException | IOException | ExecutionException
153 | InterruptedException e) {
154 LOGGER.warn("Installation of Helm chart failed", e);
159 * Invoke a new thread to check the status of deployed pods.
161 * @param chart ChartInfo
163 public void checkPodStatus(UUID automationCompositionId, UUID elementId,
164 ChartInfo chart, int timeout, int podStatusCheckInterval) throws ExecutionException, InterruptedException {
165 // Invoke runnable thread to check pod status
166 var result = executor.submit(new PodStatusValidator(chart, timeout,
167 podStatusCheckInterval), "Done");
168 if (!result.get().isEmpty()) {
169 LOGGER.info("Pod Status Validator Completed: {}", result.isDone());
170 intermediaryApi.updateAutomationCompositionElementState(automationCompositionId, elementId,
171 AutomationCompositionOrderedState.PASSIVE, AutomationCompositionState.PASSIVE,
172 ParticipantMessageType.AUTOMATION_COMPOSITION_STATE_CHANGE);