/*
* 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.discovery.ec2;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.services.ec2.AmazonEC2;
import org.elasticsearch.common.settings.SecureSetting;
import org.elasticsearch.common.settings.SecureString;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Setting.Property;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.function.Function;
interface AwsEc2Service {
Setting<Boolean> AUTO_ATTRIBUTE_SETTING = Setting.boolSetting("cloud.node.auto_attributes", false, Property.NodeScope);
class HostType {
public static final String PRIVATE_IP = "private_ip";
public static final String PUBLIC_IP = "public_ip";
public static final String PRIVATE_DNS = "private_dns";
public static final String PUBLIC_DNS = "public_dns";
public static final String TAG_PREFIX = "tag:";
}
/** The access key (ie login id) for connecting to ec2. */
Setting<SecureString> ACCESS_KEY_SETTING = SecureSetting.secureString("discovery.ec2.access_key", null);
/** The secret key (ie password) for connecting to ec2. */
Setting<SecureString> SECRET_KEY_SETTING = SecureSetting.secureString("discovery.ec2.secret_key", null);
/** An override for the ec2 endpoint to connect to. */
Setting<String> ENDPOINT_SETTING = new Setting<>("discovery.ec2.endpoint", "",
s -> s.toLowerCase(Locale.ROOT), Property.NodeScope);
/** The protocol to use to connect to to ec2. */
Setting<Protocol> PROTOCOL_SETTING = new Setting<>("discovery.ec2.protocol", "https",
s -> Protocol.valueOf(s.toUpperCase(Locale.ROOT)), Property.NodeScope);
/** The host name of a proxy to connect to ec2 through. */
Setting<String> PROXY_HOST_SETTING = Setting.simpleString("discovery.ec2.proxy.host", Property.NodeScope);
/** The port of a proxy to connect to ec2 through. */
Setting<Integer> PROXY_PORT_SETTING = Setting.intSetting("discovery.ec2.proxy.port", 80, 0, 1<<16, Property.NodeScope);
/** The username of a proxy to connect to s3 through. */
Setting<SecureString> PROXY_USERNAME_SETTING = SecureSetting.secureString("discovery.ec2.proxy.username", null);
/** The password of a proxy to connect to s3 through. */
Setting<SecureString> PROXY_PASSWORD_SETTING = SecureSetting.secureString("discovery.ec2.proxy.password", null);
/** The socket timeout for connecting to s3. */
Setting<TimeValue> READ_TIMEOUT_SETTING = Setting.timeSetting("discovery.ec2.read_timeout",
TimeValue.timeValueMillis(ClientConfiguration.DEFAULT_SOCKET_TIMEOUT), Property.NodeScope);
/**
* discovery.ec2.host_type: The type of host type to use to communicate with other instances.
* Can be one of private_ip, public_ip, private_dns, public_dns or tag:XXXX where
* XXXX refers to a name of a tag configured for all EC2 instances. Instances which don't
* have this tag set will be ignored by the discovery process. Defaults to private_ip.
*/
Setting<String> HOST_TYPE_SETTING =
new Setting<>("discovery.ec2.host_type", HostType.PRIVATE_IP, Function.identity(), Property.NodeScope);
/**
* discovery.ec2.any_group: If set to false, will require all security groups to be present for the instance to be used for the
* discovery. Defaults to true.
*/
Setting<Boolean> ANY_GROUP_SETTING =
Setting.boolSetting("discovery.ec2.any_group", true, Property.NodeScope);
/**
* discovery.ec2.groups: Either a comma separated list or array based list of (security) groups. Only instances with the provided
* security groups will be used in the cluster discovery. (NOTE: You could provide either group NAME or group ID.)
*/
Setting<List<String>> GROUPS_SETTING =
Setting.listSetting("discovery.ec2.groups", new ArrayList<>(), s -> s.toString(), Property.NodeScope);
/**
* discovery.ec2.availability_zones: Either a comma separated list or array based list of availability zones. Only instances within
* the provided availability zones will be used in the cluster discovery.
*/
Setting<List<String>> AVAILABILITY_ZONES_SETTING =
Setting.listSetting("discovery.ec2.availability_zones", Collections.emptyList(), s -> s.toString(),
Property.NodeScope);
/**
* discovery.ec2.node_cache_time: How long the list of hosts is cached to prevent further requests to the AWS API. Defaults to 10s.
*/
Setting<TimeValue> NODE_CACHE_TIME_SETTING =
Setting.timeSetting("discovery.ec2.node_cache_time", TimeValue.timeValueSeconds(10), Property.NodeScope);
/**
* discovery.ec2.tag.*: The ec2 discovery can filter machines to include in the cluster based on tags (and not just groups).
* The settings to use include the discovery.ec2.tag. prefix. For example, setting discovery.ec2.tag.stage to dev will only filter
* instances with a tag key set to stage, and a value of dev. Several tags set will require all of those tags to be set for the
* instance to be included.
*/
Setting<Settings> TAG_SETTING = Setting.groupSetting("discovery.ec2.tag.", Property.NodeScope);
AmazonEC2 client();
}