| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.brooklyn.entity.cm.salt.impl; |
| |
| import com.google.common.reflect.TypeToken; |
| |
| import org.apache.brooklyn.api.entity.Entity; |
| import org.apache.brooklyn.api.sensor.AttributeSensor; |
| import org.apache.brooklyn.core.sensor.Sensors; |
| import org.apache.brooklyn.util.collections.MutableList; |
| import org.apache.brooklyn.util.collections.MutableMap; |
| import org.apache.brooklyn.util.text.Strings; |
| import org.apache.brooklyn.util.yaml.Yamls; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Utility for setting a Salt highstate description on entity sensors. |
| */ |
| public class SaltHighstate { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(SaltHighstate.class); |
| |
| public static final String HIGHSTATE_SENSOR_PREFIX = "salt.state"; |
| |
| @SuppressWarnings("serial") |
| public static TypeToken<Map<String, Object>> STATE_FUNCTION_TYPE = |
| new TypeToken<Map<String, Object>>() {}; |
| |
| private SaltHighstate() {} |
| |
| public static void applyHighstate(String contents, Entity entity) { |
| |
| final String adaptedYaml = adaptForSaltYamlTypes(contents); |
| LOG.debug("Parsing Salt highstate yaml:\n{}", adaptedYaml); |
| final Iterable<Object> objects = Yamls.parseAll(adaptedYaml); |
| |
| for (Object entry: objects) { |
| @SuppressWarnings("unchecked") |
| final Map<String, Object> scopeMap = Yamls.getAs(entry, Map.class); |
| applyStatesInScope(entity, scopeMap); |
| } |
| } |
| |
| private static void applyStatesInScope(Entity entity, Map<String, Object> scopeMap) { |
| for (String scope: scopeMap.keySet()) { |
| @SuppressWarnings("unchecked") |
| final Map<String, Object> stateMap = Yamls.getAs(scopeMap.get(scope), Map.class); |
| for (String id: stateMap.keySet()) { |
| applyStateSensor(id, stateMap.get(id), entity); |
| } |
| } |
| } |
| |
| |
| private static String adaptForSaltYamlTypes(String description) { |
| return description.replaceAll("!!python/unicode\\s+", ""); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static void applyStateSensor(String id, Object stateData, Entity entity) { |
| if (isSaltInternal(id)) { |
| return; |
| } |
| addStateSensor(id, entity); |
| try { |
| Map<String, List<Object>> stateInfo = (Map<String, List<Object>>)stateData; |
| for (String stateModule : stateInfo.keySet()) { |
| addStateModuleValue(id, entity, stateInfo, stateModule); |
| } |
| } catch (ClassCastException e) { |
| LOG.info("Unexpected structure for {} state, skipping ({})", id, e.getMessage()); |
| } |
| } |
| |
| @SuppressWarnings("unchecked") |
| private static void addStateModuleValue(String id, Entity entity, Map<String, List<Object>> stateInfo, |
| String stateModule) { |
| |
| if (isSaltInternal(stateModule)) { |
| return; |
| } |
| try { |
| final List<Object> stateEntries = stateInfo.get(stateModule); |
| String stateFunction = ""; |
| Map<String, Object> moduleSettings = MutableMap.of(); |
| for (Object entry : stateEntries) { |
| if (entry instanceof Map) { |
| moduleSettings.putAll((Map<String, Object>)entry); |
| } else { |
| stateFunction = entry.toString(); |
| } |
| } |
| |
| final String name = sensorName(id, stateModule, stateFunction); |
| final AttributeSensor<Map<String, Object>> newSensor = |
| Sensors.newSensor(STATE_FUNCTION_TYPE, HIGHSTATE_SENSOR_PREFIX + "." + name, name); |
| entity.sensors().set(newSensor, moduleSettings); |
| |
| LOG.debug("Sensor set for: {}", moduleSettings); |
| } catch (ClassCastException e) { |
| LOG.info("Unexpected structure for state module {}, skipping ({})", id + "." + stateModule, e.getMessage()); |
| } |
| } |
| |
| private static String sensorName(String... parts) { |
| return Strings.join(parts, "."); |
| } |
| |
| |
| private static void addStateSensor(String state, Entity entity) { |
| List<String> states = entity.sensors().get(SaltEntityImpl.STATES); |
| if (null == states || !states.contains(state)) { |
| if (null == states) { |
| states = MutableList.of(); |
| } |
| states.add(state); |
| entity.sensors().set(SaltEntityImpl.STATES, states); |
| } |
| } |
| |
| private static boolean isSaltInternal(String module) { |
| return module.startsWith("__"); |
| } |
| } |