diff options
author | grabinsk <maciej.grabinski@nokia.com> | 2019-06-04 15:18:44 +0200 |
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committer | grabinsk <maciej.grabinski@nokia.com> | 2019-06-14 12:34:51 +0200 |
commit | 4117c9fd7fcea895e18872e0d541e0f14a9a41b9 (patch) | |
tree | 7ac60bf14cd679a0d1268d3c9cb208018357dfe5 /prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java | |
parent | 44b70902a263f9dcc73e1910377792097194f1d5 (diff) |
fetching configuration from CBS at application bootstrap
Change-Id: Ibaa56c38b87fc8b8cfa858f74b7bc201bd507b37
Issue-ID: DCAEGEN2-1544
Signed-off-by: grabinsk <maciej.grabinski@nokia.com>
Diffstat (limited to 'prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java')
-rw-r--r-- | prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java b/prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java new file mode 100644 index 00000000..7b660202 --- /dev/null +++ b/prh-app-server/src/main/java/org/onap/dcaegen2/services/bootstrap/CbsPropertySourceLocator.java @@ -0,0 +1,84 @@ +/* + * ============LICENSE_START======================================================= + * PNF-REGISTRATION-HANDLER + * ================================================================================ + * Copyright (C) 2019 NOKIA 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.bootstrap; + +import com.google.gson.JsonObject; +import org.onap.dcaegen2.services.prh.configuration.CbsConfiguration; +import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests; +import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration; +import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.cloud.bootstrap.config.PropertySourceLocator; +import org.springframework.core.env.Environment; +import org.springframework.core.env.MapPropertySource; +import org.springframework.core.env.PropertySource; + +import java.util.Map; + +public class CbsPropertySourceLocator implements PropertySourceLocator { + private static final Logger LOGGER = LoggerFactory.getLogger(CbsPropertySourceLocator.class); + + private final CbsProperties cbsProperties; + private final CbsJsonToPropertyMapConverter cbsJsonToPropertyMapConverter; + private final CbsClientConfigurationResolver cbsClientConfigurationResolver; + private final CbsClientFactoryFacade cbsClientFactoryFacade; + private final CbsConfiguration cbsConfiguration; + + public CbsPropertySourceLocator(CbsProperties cbsProperties, + CbsJsonToPropertyMapConverter cbsJsonToPropertyMapConverter, + CbsClientConfigurationResolver cbsClientConfigurationResolver, + CbsClientFactoryFacade cbsClientFactoryFacade, + CbsConfiguration cbsConfiguration) { + this.cbsProperties = cbsProperties; + this.cbsJsonToPropertyMapConverter = cbsJsonToPropertyMapConverter; + this.cbsClientConfigurationResolver = cbsClientConfigurationResolver; + this.cbsClientFactoryFacade = cbsClientFactoryFacade; + this.cbsConfiguration = cbsConfiguration; + } + + @Override + public PropertySource<?> locate(Environment environment) { + CbsClientConfiguration cbsClientConfiguration = cbsClientConfigurationResolver.resolveCbsClientConfiguration(); + LOGGER.info("Fetching configuration from Config Binding Service @ {}:{} for {}", + cbsClientConfiguration.hostname(), cbsClientConfiguration.port(), cbsClientConfiguration.appName()); + Map<String, Object> properties = cbsClientFactoryFacade.createCbsClient(cbsClientConfiguration) + .flatMap(cbsClient -> cbsClient.get(CbsRequests.getAll(RequestDiagnosticContext.create()))) + .doOnError(e -> LOGGER.warn("Failed fetching config properties from CBS - retrying...", e)) + .retryBackoff(cbsProperties.getFetchRetries().getMaxAttempts(), + cbsProperties.getFetchRetries().getFirstBackoff(), + cbsProperties.getFetchRetries().getMaxBackoff()) + .doOnNext(this::updateCbsConfig) + .map(cbsJsonToPropertyMapConverter::convertToMap) + .block(); + return new MapPropertySource("cbs", properties); + } + + private void updateCbsConfig(JsonObject jsonObject) { + try { + cbsConfiguration.parseCBSConfig(jsonObject); + } catch (Exception e) { + LOGGER.error("Failed parsing configuration from CBS", e); + throw e; + } + } + +} |