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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019 Nokia. All rights reserved.
* =========================================================
* Licensed 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.
* ============LICENSE_END=====================================
*/
package org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model;
import org.immutables.value.Value;
/**
* Immutable object which helps with construction of cloudRequestObject for specified Client. For usage take a look in
* CloudConfigurationClient.class
*
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 11/16/18
* @version 1.0.0 can be passed to ReactiveCloudConfigurationProvider, can be constructed out of
* org.onap.dcaegen2.services.sdk library.
* @since 1.0.0
*/
@Value.Immutable(prehash = true)
public interface EnvProperties {
/**
* Name of environment variable containing Consul host name.
*/
String ENV_CONSUL_HOST = "CONSUL_HOST";
/**
* Name of environment variable containing Config Binding Service <em>service name</em> as registered in Consul
* services API.
*/
String ENV_CBS_NAME = "CONFIG_BINDING_SERVICE";
/**
* Name of environment variable containing current application name.
*/
String ENV_APP_NAME = "HOSTNAME";
@Value.Parameter
String consulHost();
@Value.Parameter
Integer consulPort();
@Value.Parameter
String cbsName();
@Value.Parameter
String appName();
/**
* Creates EnvProperties from system environment variables.
*
* @return an instance of EnvProperties
* @throws NullPointerException when at least one of required parameters is missing
*/
static EnvProperties fromEnvironment() {
return ImmutableEnvProperties.builder()
.consulHost(System.getenv(ENV_CONSUL_HOST))
.consulPort(8500)
.cbsName(System.getenv(ENV_CBS_NAME))
.appName(System.getenv(ENV_APP_NAME))
.build();
}
}
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