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/*
* ============LICENSE_START====================================
* DCAEGEN2-SERVICES-SDK
* =========================================================
* Copyright (C) 2019-2021 Nokia. All rights reserved.
* Copyright (C) 2021 Wipro Limited.
* Copyright (C) 2022 AT&T Intellectual Property. 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;
import org.jetbrains.annotations.Nullable;
import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.exceptions.CbsClientConfigurationException;
import org.onap.dcaegen2.services.sdk.security.ssl.ImmutableTrustStoreKeys;
import org.onap.dcaegen2.services.sdk.security.ssl.Passwords;
import org.onap.dcaegen2.services.sdk.security.ssl.SecurityKeysStore;
import org.onap.dcaegen2.services.sdk.security.ssl.TrustStoreKeys;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Optional;
/**
* 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 CbsClientConfiguration {
Logger LOGGER = LoggerFactory.getLogger(CbsClientConfiguration.class);
String TRUST_JKS = "trust.jks";
String TRUST_PASS = "trust.pass";
/**
* Name of environment variable containing path to the cacert.pem file.
*/
String DCAE_CA_CERT_PATH = "DCAE_CA_CERTPATH";
/**
* Name of environment variable containing current application name.
*/
String ENV_APP_NAME = "HOSTNAME";
/**
* Name of environment variable containing path to application config file.
*/
String ENV_CBS_CLIENT_CONFIG_PATH = "CBS_CLIENT_CONFIG_PATH";
/**
* Name of environment variable containing path to policies file.
*/
String ENV_CBS_CLIENT_POLICY_PATH = "CBS_CLIENT_POLICY_PATH";
@Value.Parameter
String appName();
@Value.Default
default @Nullable TrustStoreKeys trustStoreKeys() {
return null;
}
@Value.Default
default String configMapFilePath() {
return "/app-config/application_config.yaml";
}
@Value.Default
default String policySyncFilePath() {
return "/etc/policies/policies.json";
}
/**
* Creates CbsClientConfiguration from system environment variables.
*
* @return an instance of CbsClientConfiguration
* @throws CbsClientConfigurationException when at least one of required parameters is missing
*/
static CbsClientConfiguration fromEnvironment() {
String pathToCaCert = System.getenv(DCAE_CA_CERT_PATH);
ImmutableCbsClientConfiguration.Builder configBuilder = ImmutableCbsClientConfiguration.builder()
.appName(getEnv(ENV_APP_NAME));
Optional.ofNullable(System.getenv(ENV_CBS_CLIENT_CONFIG_PATH))
.ifPresent(configBuilder::configMapFilePath);
Optional.ofNullable(System.getenv(ENV_CBS_CLIENT_POLICY_PATH))
.ifPresent(configBuilder::policySyncFilePath);
return configBuilder.build();
}
static String getEnv(String envName) {
String envValue = System.getenv(envName);
validateEnv(envName, envValue);
return envValue;
}
static void validateEnv(String envName, String envValue) {
if (envValue == null || "".equals(envValue)) {
throw new CbsClientConfigurationException("Cannot read " + envName + " from environment.");
}
}
}
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