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Brooklyn entities for NoSQL data store software entities
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/*
 * 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.nosql.elasticsearch;

import org.apache.brooklyn.api.catalog.Catalog;
import org.apache.brooklyn.api.entity.ImplementedBy;
import org.apache.brooklyn.api.sensor.AttributeSensor;
import org.apache.brooklyn.config.ConfigKey;
import org.apache.brooklyn.core.config.ConfigKeys;
import org.apache.brooklyn.core.location.PortRanges;
import org.apache.brooklyn.core.sensor.AttributeSensorAndConfigKey;
import org.apache.brooklyn.core.sensor.BasicAttributeSensorAndConfigKey.StringAttributeSensorAndConfigKey;
import org.apache.brooklyn.core.sensor.PortAttributeSensorAndConfigKey;
import org.apache.brooklyn.core.sensor.Sensors;
import org.apache.brooklyn.entity.database.DatastoreMixins;
import org.apache.brooklyn.entity.java.UsesJava;
import org.apache.brooklyn.entity.software.base.SoftwareProcess;
import org.apache.brooklyn.entity.webapp.WebAppServiceConstants;
import org.apache.brooklyn.util.core.ResourcePredicates;
import org.apache.brooklyn.util.core.flags.SetFromFlag;

/**
 * An {@link org.apache.brooklyn.api.entity.Entity} that represents an ElasticSearch node
 */
@Catalog(name="Elastic Search Node", description="Elasticsearch is an open-source search server based on Lucene. "
        + "It provides a distributed, multitenant-capable full-text search engine with a RESTful web interface and "
        + "schema-free JSON documents.")
@ImplementedBy(ElasticSearchNodeImpl.class)
public interface ElasticSearchNode extends SoftwareProcess, UsesJava, DatastoreMixins.HasDatastoreUrl {

    @SetFromFlag("version")
    ConfigKey SUGGESTED_VERSION = ConfigKeys.newConfigKeyWithDefault(SoftwareProcess.SUGGESTED_VERSION, "1.2.1");

    @SetFromFlag("archiveNameFormat")
    ConfigKey ARCHIVE_DIRECTORY_NAME_FORMAT = ConfigKeys.newConfigKeyWithDefault(SoftwareProcess.ARCHIVE_DIRECTORY_NAME_FORMAT, "elasticsearch-%s");

    @SetFromFlag("downloadUrl")
    AttributeSensorAndConfigKey DOWNLOAD_URL = ConfigKeys.newSensorAndConfigKeyWithDefault(SoftwareProcess.DOWNLOAD_URL,
            "https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-${version}.tar.gz");

    @SetFromFlag("dataDir")
    ConfigKey DATA_DIR = ConfigKeys.newStringConfigKey("elasticsearch.node.data.dir", "Directory for writing data files", null);

    @SetFromFlag("logDir")
    ConfigKey LOG_DIR = ConfigKeys.newStringConfigKey("elasticsearch.node.log.dir", "Directory for writing log files", null);

    @SetFromFlag("configFileUrl")
    ConfigKey TEMPLATE_CONFIGURATION_URL = ConfigKeys.builder(String.class)
            .name("elasticsearch.node.template.configuration.url")
            .description("URL where the elasticsearch configuration file (in freemarker format) can be found")
            .defaultValue(null)
            .constraint(ResourcePredicates.urlIsBlankOrExists())
            .build();

    @SetFromFlag("multicastEnabled")
    ConfigKey MULTICAST_ENABLED = ConfigKeys.newBooleanConfigKey("elasticsearch.node.multicast.enabled", 
            "Indicates whether zen discovery multicast should be enabled for a node", null);

    @SetFromFlag("multicastEnabled")
    ConfigKey UNICAST_ENABLED = ConfigKeys.newBooleanConfigKey("elasticsearch.node.UNicast.enabled", 
            "Indicates whether zen discovery unicast should be enabled for a node", null);
    
    @SetFromFlag("httpPort")
    PortAttributeSensorAndConfigKey HTTP_PORT = new PortAttributeSensorAndConfigKey(WebAppServiceConstants.HTTP_PORT, PortRanges.fromString("9200+"));

    @SetFromFlag("nodeName")
    StringAttributeSensorAndConfigKey NODE_NAME = new StringAttributeSensorAndConfigKey("elasticsearch.node.name", 
            "Node name (or randomly selected if not set", null);

    @SetFromFlag("clusterName")
    StringAttributeSensorAndConfigKey CLUSTER_NAME = new StringAttributeSensorAndConfigKey("elasticsearch.node.cluster.name", 
            "Cluster name (or elasticsearch selected if not set", null);

    @SetFromFlag("useHttpMonitoring")
    ConfigKey USE_HTTP_MONITORING = ConfigKeys.newConfigKey("httpMonitoring.enabled", "HTTP(S) monitoring enabled", Boolean.TRUE);

    AttributeSensor NODE_ID = Sensors.newStringSensor("elasticsearch.node.id");
    AttributeSensor DOCUMENT_COUNT = Sensors.newIntegerSensor("elasticsearch.node.docs.count");
    AttributeSensor STORE_BYTES = Sensors.newIntegerSensor("elasticsearch.node.store.bytes");
    AttributeSensor GET_TOTAL = Sensors.newIntegerSensor("elasticsearch.node.get.total");
    AttributeSensor GET_TIME_IN_MILLIS = Sensors.newIntegerSensor("elasticsearch.node.get.time.in.millis");
    AttributeSensor SEARCH_QUERY_TOTAL = Sensors.newIntegerSensor("elasticsearch.node.search.query.total");
    AttributeSensor SEARCH_QUERY_TIME_IN_MILLIS = Sensors.newIntegerSensor("elasticsearch.node.search.query.time.in.millis");

}