Fetch configuration from CBS

- Fix memory leak.
- Add reactive configuration fetching from Consul. Now configuration is updated when any change in VES configuration has been done in Consul.

Change-Id: I9cd42e04844c9e99d4d03951185523b569dc9483
Issue-ID: DCAEGEN2-2495
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>
(cherry picked from commit 1599617246f0ffec1b1c7840f9c7c42318183dcd)

1 files changed, 47 insertions, 0 deletions

diff --git a/src/test/java/org/onap/dcae/configuration/cbs/CbsClientConfigurationProviderTest.java b/src/test/java/org/onap/dcae/configuration/cbs/CbsClientConfigurationProviderTest.java
new file mode 100644
index 00000000..b3c06d9c
--- /dev/null
+++ b/src/test/java/org/onap/dcae/configuration/cbs/CbsClientConfigurationProviderTest.java
@@ -0,0 +1,47 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.dcaegen2.collectors.ves
+ * ================================================================================
+ * Copyright (C) 2020 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.configuration.cbs;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import org.junit.Test;
+import org.junit.jupiter.api.condition.DisabledIfEnvironmentVariable;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
+
+public class CbsClientConfigurationProviderTest {
+
+    private static final String DEFAULT_PROTOCOL = "http";
+    private static final String DEFAULT_HOSTNAME = "config-binding-service";
+    private static final int DEFAULT_PORT = 10000;
+    private static final String DEFAULT_APP_NAME = "dcae-ves-collector";
+
+    @Test
+    @DisabledIfEnvironmentVariable(named = "CONFIG_BINDING_SERVICE", matches = ".+")
+    public void shouldLoadDefaultConfigWhenEnvNotPresent() {
+        // when
+        CbsClientConfiguration configuration = new CbsClientConfigurationProvider().get();
+
+        // then
+        assertThat(configuration.protocol()).isEqualTo(DEFAULT_PROTOCOL);
+        assertThat(configuration.hostname()).isEqualTo(DEFAULT_HOSTNAME);
+        assertThat(configuration.port()).isEqualTo(DEFAULT_PORT);
+        assertThat(configuration.appName()).isEqualTo(DEFAULT_APP_NAME);
+    }
+}