| /* |
| * 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.ambari.server.agent; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.ConfigHelper; |
| import org.apache.ambari.server.state.alert.AlertDefinition; |
| import org.apache.ambari.server.state.alert.AlertDefinitionHash; |
| |
| import com.fasterxml.jackson.annotation.JsonProperty; |
| import com.google.gson.annotations.SerializedName; |
| |
| /** |
| * The {@link AlertDefinitionCommand} class is used to encapsulate the |
| * {@link AlertDefinition}s that will be returned to an agent given a requested |
| * hash. |
| * <p/> |
| * Commands must have {@link #addConfigs(ConfigHelper, Cluster)} invoked before |
| * being sent to the agent so that the definitions will have the required |
| * configuration data when they run. Failure to do this will cause the alerts to |
| * be scheduled and run, but the result will always be a failure since the |
| * parameterized properties they depend on will not be available. |
| */ |
| public class AlertDefinitionCommand extends AgentCommand { |
| @SerializedName("clusterName") |
| private final String m_clusterName; |
| |
| @SerializedName("hostName") |
| private final String m_hostName; |
| |
| @SerializedName("publicHostName") |
| private final String m_publicHostName; |
| |
| @SerializedName("hash") |
| private final String m_hash; |
| |
| @SerializedName("alertDefinitions") |
| @JsonProperty("alertDefinitions") |
| private final List<AlertDefinition> m_definitions; |
| |
| @SerializedName("configurations") |
| @JsonProperty("configurations") |
| private Map<String, Map<String, String>> m_configurations; |
| |
| /** |
| * Constructor. |
| * |
| * @param clusterName |
| * the name of the cluster this response is for ( |
| * @param hostName |
| * @param publicHostName |
| * @param hash |
| * @param definitions |
| * |
| * @see AlertDefinitionHash |
| */ |
| public AlertDefinitionCommand(String clusterName, String hostName, String publicHostName, |
| String hash, List<AlertDefinition> definitions) { |
| super(AgentCommandType.ALERT_DEFINITION_COMMAND); |
| |
| m_clusterName = clusterName; |
| m_hostName = hostName; |
| m_publicHostName = publicHostName; |
| m_hash = hash; |
| m_definitions = definitions; |
| } |
| |
| /** |
| * |
| */ |
| @Override |
| public AgentCommandType getCommandType() { |
| return AgentCommandType.ALERT_DEFINITION_COMMAND; |
| } |
| |
| /** |
| * Gets the global hash for all alert definitions for a given host. |
| * |
| * @return the hash (never {@code null}). |
| */ |
| public String getHash() { |
| return m_hash; |
| } |
| |
| /** |
| * Gets the alert definitions |
| * |
| * @return |
| */ |
| public List<AlertDefinition> getAlertDefinitions() { |
| return m_definitions; |
| } |
| |
| /** |
| * Gets the name of the cluster. |
| * |
| * @return the cluster name (not {@code null}). |
| */ |
| @JsonProperty("clusterName") |
| public String getClusterName() { |
| return m_clusterName; |
| } |
| |
| /** |
| * Gets the host name. |
| * |
| * @return the host name (not {@code null}). |
| */ |
| @JsonProperty("hostName") |
| public String getHostName() { |
| return m_hostName; |
| } |
| |
| /** |
| * Adds cluster configuration properties as required by commands sent to agent. |
| * |
| * @param configHelper the helper |
| * @param cluster the cluster, matching the cluster name specified by the command |
| */ |
| public void addConfigs(ConfigHelper configHelper, Cluster cluster) |
| throws AmbariException { |
| Map<String, Map<String, String>> configTags = configHelper.getEffectiveDesiredTags(cluster, m_hostName); |
| Map<String, Map<String, String>> configurations = configHelper.getEffectiveConfigProperties(cluster, configTags); |
| m_configurations = configurations; |
| } |
| } |