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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2018 NOKIA Intellectual Property, 2018-2019 Nordix Foundation. 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.collectors.datafile.configuration;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.validation.constraints.NotNull;
import org.onap.dcaegen2.collectors.datafile.exceptions.DatafileTaskException;
/**
* Parses the cloud configuration.
*
* @author <a href="mailto:przemyslaw.wasala@nokia.com">Przemysław Wąsala</a> on 9/19/18
* @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
*/
public class CloudConfigParser {
private static final String DMAAP_SECURITY_TRUST_STORE_PATH = "dmaap.security.trustStorePath";
private static final String DMAAP_SECURITY_TRUST_STORE_PASS_PATH = "dmaap.security.trustStorePasswordPath";
private static final String DMAAP_SECURITY_KEY_STORE_PATH = "dmaap.security.keyStorePath";
private static final String DMAAP_SECURITY_KEY_STORE_PASS_PATH = "dmaap.security.keyStorePasswordPath";
private static final String DMAAP_SECURITY_ENABLE_DMAAP_CERT_AUTH = "dmaap.security.enableDmaapCertAuth";
private static final String CONFIG = "config";
private final JsonObject jsonObject;
public CloudConfigParser(JsonObject jsonObject) {
this.jsonObject = jsonObject.getAsJsonObject(CONFIG);
}
/**
* Get the publisher configurations.
*
* @return a map with change identifier as key and the connected publisher configuration as
* value.
*
* @throws DatafileTaskException if a member of the configuration is missing.
*/
public @NotNull Map<String, PublisherConfiguration> getDmaapPublisherConfigurations() throws DatafileTaskException {
JsonObject producerCfgs = jsonObject.get("streams_publishes").getAsJsonObject();
Iterator<String> changeIdentifierList = producerCfgs.keySet().iterator();
Map<String, PublisherConfiguration> result = new HashMap<>();
while (changeIdentifierList.hasNext()) {
String changeIdentifier = changeIdentifierList.next();
JsonObject producerCfg = getAsJson(producerCfgs, changeIdentifier);
JsonObject feedConfig = get(producerCfg, "dmaap_info").getAsJsonObject();
PublisherConfiguration cfg = ImmutablePublisherConfiguration.builder() //
.publishUrl(getAsString(feedConfig, "publish_url")) //
.passWord(getAsString(feedConfig, "password")) //
.userName(getAsString(feedConfig, "username")) //
.trustStorePath(getAsString(jsonObject, DMAAP_SECURITY_TRUST_STORE_PATH)) //
.trustStorePasswordPath(getAsString(jsonObject, DMAAP_SECURITY_TRUST_STORE_PASS_PATH)) //
.keyStorePath(getAsString(jsonObject, DMAAP_SECURITY_KEY_STORE_PATH)) //
.keyStorePasswordPath(getAsString(jsonObject, DMAAP_SECURITY_KEY_STORE_PASS_PATH)) //
.enableDmaapCertAuth(get(jsonObject, DMAAP_SECURITY_ENABLE_DMAAP_CERT_AUTH).getAsBoolean()) //
.changeIdentifier(changeIdentifier) //
.logUrl(getAsString(feedConfig, "log_url")) //
.build();
result.put(cfg.changeIdentifier(), cfg);
}
return result;
}
/**
* Get the consumer configuration.
*
* @return the consumer configuration.
* @throws DatafileTaskException if a member of the configuration is missing.
*/
public @NotNull ConsumerConfiguration getDmaapConsumerConfig() throws DatafileTaskException {
JsonObject consumerCfg = jsonObject.get("streams_subscribes").getAsJsonObject();
Set<Entry<String, JsonElement>> topics = consumerCfg.entrySet();
if (topics.size() != 1) {
throw new DatafileTaskException("Invalid configuration, number of topic must be one, config: " + topics);
}
JsonObject topic = topics.iterator().next().getValue().getAsJsonObject();
JsonObject dmaapInfo = get(topic, "dmaap_info").getAsJsonObject();
String topicUrl = getAsString(dmaapInfo, "topic_url");
return ImmutableConsumerConfiguration.builder().topicUrl(topicUrl)
.trustStorePath(getAsString(jsonObject, DMAAP_SECURITY_TRUST_STORE_PATH))
.trustStorePasswordPath(getAsString(jsonObject, DMAAP_SECURITY_TRUST_STORE_PASS_PATH))
.keyStorePath(getAsString(jsonObject, DMAAP_SECURITY_KEY_STORE_PATH))
.keyStorePasswordPath(getAsString(jsonObject, DMAAP_SECURITY_KEY_STORE_PASS_PATH))
.enableDmaapCertAuth(get(jsonObject, DMAAP_SECURITY_ENABLE_DMAAP_CERT_AUTH).getAsBoolean()) //
.build();
}
/**
* Get the security configuration for communication with the xNF.
*
* @return the xNF communication security configuration.
* @throws DatafileTaskException if a member of the configuration is missing.
*/
public @NotNull FtpesConfig getFtpesConfig() throws DatafileTaskException {
return new ImmutableFtpesConfig.Builder() //
.keyCert(getAsString(jsonObject, "dmaap.ftpesConfig.keyCert"))
.keyPasswordPath(getAsString(jsonObject, "dmaap.ftpesConfig.keyPasswordPath"))
.trustedCa(getAsString(jsonObject, "dmaap.ftpesConfig.trustedCa"))
.trustedCaPasswordPath(getAsString(jsonObject, "dmaap.ftpesConfig.trustedCaPasswordPath")) //
.build();
}
private static @NotNull JsonElement get(JsonObject obj, String memberName) throws DatafileTaskException {
JsonElement elem = obj.get(memberName);
if (elem == null) {
throw new DatafileTaskException("Could not find member: " + memberName + " in: " + obj);
}
return elem;
}
private static @NotNull String getAsString(JsonObject obj, String memberName) throws DatafileTaskException {
return get(obj, memberName).getAsString();
}
private static @NotNull JsonObject getAsJson(JsonObject obj, String memberName) throws DatafileTaskException {
return get(obj, memberName).getAsJsonObject();
}
}
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