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
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+++ b/src/main/java/org/onap/dcae/controller/PreAppStartupConfigUpdater.java
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+/*-
+ * ============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();
+    }
+}