/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.node.internal;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.common.Names;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.FailedToResolveConfigException;
import java.util.Map;
import static org.elasticsearch.common.Strings.cleanPath;
import static org.elasticsearch.common.settings.ImmutableSettings.settingsBuilder;
/**
*
*/
public class InternalSettingsPreparer {
public static Tuple<Settings, Environment> prepareSettings(Settings pSettings, boolean loadConfigSettings) {
// ignore this prefixes when getting properties from es. and elasticsearch.
String[] ignorePrefixes = new String[]{"es.default.", "elasticsearch.default."};
boolean useSystemProperties = !pSettings.getAsBoolean("config.ignore_system_properties", false);
// just create enough settings to build the environment
ImmutableSettings.Builder settingsBuilder = settingsBuilder().put(pSettings);
if (useSystemProperties) {
settingsBuilder.putProperties("elasticsearch.default.", System.getProperties())
.putProperties("es.default.", System.getProperties())
.putProperties("elasticsearch.", System.getProperties(), ignorePrefixes)
.putProperties("es.", System.getProperties(), ignorePrefixes);
}
settingsBuilder.replacePropertyPlaceholders();
Environment environment = new Environment(settingsBuilder.build());
if (loadConfigSettings) {
boolean loadFromEnv = true;
if (useSystemProperties) {
// if its default, then load it, but also load form env
if (Strings.hasText(System.getProperty("es.default.config"))) {
loadFromEnv = true;
settingsBuilder.loadFromUrl(environment.resolveConfig(System.getProperty("es.default.config")));
}
// if explicit, just load it and don't load from env
if (Strings.hasText(System.getProperty("es.config"))) {
loadFromEnv = false;
settingsBuilder.loadFromUrl(environment.resolveConfig(System.getProperty("es.config")));
}
if (Strings.hasText(System.getProperty("elasticsearch.config"))) {
loadFromEnv = false;
settingsBuilder.loadFromUrl(environment.resolveConfig(System.getProperty("elasticsearch.config")));
}
}
if (loadFromEnv) {
try {
settingsBuilder.loadFromUrl(environment.resolveConfig("elasticsearch.yml"));
} catch (FailedToResolveConfigException e) {
// ignore
} catch (NoClassDefFoundError e) {
// ignore, no yaml
}
try {
settingsBuilder.loadFromUrl(environment.resolveConfig("elasticsearch.json"));
} catch (FailedToResolveConfigException e) {
// ignore
}
try {
settingsBuilder.loadFromUrl(environment.resolveConfig("elasticsearch.properties"));
} catch (FailedToResolveConfigException e) {
// ignore
}
}
}
settingsBuilder.put(pSettings);
if (useSystemProperties) {
settingsBuilder.putProperties("elasticsearch.", System.getProperties(), ignorePrefixes)
.putProperties("es.", System.getProperties(), ignorePrefixes);
}
settingsBuilder.replacePropertyPlaceholders();
// allow to force set properties based on configuration of the settings provided
for (Map.Entry<String, String> entry : pSettings.getAsMap().entrySet()) {
String setting = entry.getKey();
if (setting.startsWith("force.")) {
settingsBuilder.remove(setting);
settingsBuilder.put(setting.substring(".force".length()), entry.getValue());
}
}
settingsBuilder.replacePropertyPlaceholders();
// generate the name
if (settingsBuilder.get("name") == null) {
String name = System.getProperty("name");
if (name == null || name.isEmpty()) {
name = settingsBuilder.get("node.name");
if (name == null || name.isEmpty()) {
name = Names.randomNodeName(environment.resolveConfig("names.txt"));
}
}
if (name != null) {
settingsBuilder.put("name", name);
}
}
// put the cluster name
if (settingsBuilder.get(ClusterName.SETTING) == null) {
settingsBuilder.put(ClusterName.SETTING, ClusterName.DEFAULT.value());
}
Settings v1 = settingsBuilder.build();
environment = new Environment(v1);
// put back the env settings
settingsBuilder = settingsBuilder().put(v1);
// we put back the path.logs so we can use it in the logging configuration file
settingsBuilder.put("path.logs", cleanPath(environment.logsFile().getAbsolutePath()));
v1 = settingsBuilder.build();
return new Tuple<>(v1, environment);
}
}