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Diffstat (limited to 'src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java')
-rw-r--r-- | src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java b/src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java new file mode 100644 index 00000000..c5ee9d86 --- /dev/null +++ b/src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java @@ -0,0 +1,49 @@ +/*- + * ============LICENSE_START======================================================= + * org.onap.dcaegen2.collectors.ves + * ================================================================================ + * Copyright (C) 2018 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.dcae.controller; + +import io.vavr.collection.Map; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.function.Consumer; +import org.onap.dcae.commonFunction.event.publishing.PublisherConfig; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * On the first application launch, the configuration update thread that application spawns, has no chance to run yet + * and prepare initial application configuration. In this case, it needs to be fetched from outside of the application, + * so this is run from the .sh script. + * Later on, once application is already started it will take care of the configuration update itself + * @author Pawel Szalapski (pawel.szalapski@nokia.com) + */ +public class PreAppStartupConfigUpdater { + private final static Logger log = LoggerFactory.getLogger(PreAppStartupConfigUpdater.class); + + private static final Path DEFAULT_CONFIGURATION_FILE_PATH = Paths.get("etc/collector.properties"); + private static final Path DEFAULT_DMAAP_FILE_PATH = Paths.get("etc/DmaapConfig.json"); + private static final Consumer<Map<String, PublisherConfig>> NO_OP_CONSUMER = c -> { }; + + public static void main(String[] args) { + log.info("Running initial configuration update, before the application gets started."); + ConfigLoader.create(NO_OP_CONSUMER, DEFAULT_DMAAP_FILE_PATH, DEFAULT_CONFIGURATION_FILE_PATH) + .updateConfig(); + } +} |