CBS-Client to support config fetch from a configMap

Change-Id: I2ad57844d142ece3275ed6d8586d8689b296bbbe
Issue-ID: DCAEGEN2-2716
Signed-off-by: Tomasz Pietruszkiewicz <tomasz.pietruszkiewicz@nokia.com>
Signed-off-by: Michal Banka <michal.banka@nokia.com>

10 files changed, 271 insertions, 47 deletions

diff --git a/rest-services/cbs-client/pom.xml b/rest-services/cbs-client/pom.xml
index ba211ac9..1fdc9046 100644
--- a/rest-services/cbs-client/pom.xml
+++ b/rest-services/cbs-client/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.onap.dcaegen2.services.sdk</groupId>
         <artifactId>dcaegen2-services-sdk-rest-services</artifactId>
-        <version>1.8.2-SNAPSHOT</version>
+        <version>1.8.3-SNAPSHOT</version>
     </parent>
 
     <groupId>org.onap.dcaegen2.services.sdk.rest.services</groupId>
@@ -29,6 +29,11 @@
             <version>${project.version}</version>
         </dependency>
         <dependency>
+            <groupId>org.onap.dcaegen2.services.sdk</groupId>
+            <artifactId>dcaegen2-services-sdk-services-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
             <groupId>org.immutables</groupId>
             <artifactId>value</artifactId>
         </dependency>
@@ -58,6 +63,15 @@
             <artifactId>reactor-test</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.yaml</groupId>
+            <artifactId>snakeyaml</artifactId>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/api/CbsClientFactory.java b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/api/CbsClientFactory.java
index 7e625182..f1e49bb7 100644
--- a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/api/CbsClientFactory.java
+++ b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/api/CbsClientFactory.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * DCAEGEN2-SERVICES-SDK
  * ================================================================================
- * Copyright (C) 2019-2020 Nokia. All rights reserved.
+ * Copyright (C) 2019-2021 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.
@@ -22,7 +22,8 @@ package org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api;
 import org.jetbrains.annotations.NotNull;
 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClient;
 import org.onap.dcaegen2.services.sdk.rest.services.adapters.http.RxHttpClientFactory;
-import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.CbsClientImpl;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.CbsClientConfigMap;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.CbsClientRest;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.CbsLookup;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsClientConfiguration;
 import org.onap.dcaegen2.services.sdk.security.ssl.TrustStoreKeys;
@@ -36,7 +37,6 @@ import reactor.core.publisher.Mono;
  * @since 1.1.2
  */
 public class CbsClientFactory {
-
     /**
      * <p>Creates Mono which will emit instance of {@link CbsClient} when service discovery is complete.</p>
      *
@@ -67,7 +67,13 @@ public class CbsClientFactory {
 
     private static Mono<CbsClient> createCbsClientMono(RxHttpClient httpClient,
         CbsClientConfiguration configuration) {
+            CbsClientConfigMap cbsClientConfigMap = new CbsClientConfigMap(configuration.configMapFilePath());
+        return cbsClientConfigMap.verifyConfigMapFile() ? Mono.just(cbsClientConfigMap) :
+                getConfigFromCBS(httpClient, configuration);
+    }
+
+    private static Mono<CbsClient> getConfigFromCBS(RxHttpClient httpClient, CbsClientConfiguration configuration) {
         return new CbsLookup().lookup(configuration)
-            .map(addr -> new CbsClientImpl(httpClient, configuration.appName(), addr, configuration.protocol()));
+                .map(addr ->new CbsClientRest(httpClient, configuration.appName(), addr, configuration.protocol()));
     }
-}
+}
\ No newline at end of file
diff --git a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMap.java b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMap.java
new file mode 100644
index 00000000..875e20ed
--- /dev/null
+++ b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMap.java
@@ -0,0 +1,78 @@
+/*
+ * ============LICENSE_START=======================================================
+ * DCAEGEN2-SERVICES-SDK
+ * ================================================================================
+ * Copyright (C) 2021 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.dcaegen2.services.sdk.rest.services.cbs.client.impl;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonObject;
+import org.jetbrains.annotations.NotNull;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.CbsRequest;
+import org.onap.dcaegen2.services.sdk.services.common.FileReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.yaml.snakeyaml.Yaml;
+import reactor.core.publisher.Mono;
+import java.util.LinkedHashMap;
+
+public class CbsClientConfigMap implements CbsClient {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientConfigMap.class);
+    private final String configMapFilePath;
+
+    public CbsClientConfigMap (String configMapFilePath) {
+        this.configMapFilePath = configMapFilePath;
+    }
+
+    @Override
+    public @NotNull Mono<JsonObject> get(CbsRequest request) {
+        return Mono.just(this.loadConfigMapFile())
+                .doOnNext(this::logConfigMapOutput);
+    }
+
+    public boolean verifyConfigMapFile() {
+        try {
+            LOGGER.info("Trying to load configuration from configMap file: {}", configMapFilePath);
+            this.loadConfigMapFile().isJsonObject();
+            return true;
+        } catch(Exception ex) {
+            this.logConfigMapError(ex);
+            return false;
+        }
+    }
+
+    private JsonObject loadConfigMapFile() {
+        Gson gson = new GsonBuilder().create();
+        return gson.fromJson(gson.toJson(this.loadYamlConfigMapFile(), LinkedHashMap.class), JsonObject.class);
+    }
+
+    private Object loadYamlConfigMapFile() {
+        return new Yaml().load(new FileReader(configMapFilePath).getContent());
+    }
+
+    private void logConfigMapOutput(JsonObject jsonObject) {
+        LOGGER.info("Got successful output from ConfigMap file");
+        LOGGER.debug("ConfigMap output: {}", jsonObject);
+    }
+
+    private void logConfigMapError(Exception ex) {
+        LOGGER.error("Error loading configuration from configMap file: {}", ex.getMessage());
+    }
+}
\ No newline at end of file
diff --git a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImpl.java b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientRest.java
index a895f3a1..4559a902 100644
--- a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImpl.java
+++ b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientRest.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * DCAEGEN2-SERVICES-SDK
  * ================================================================================
- * Copyright (C) 2019 Nokia. All rights reserved.
+ * Copyright (C) 2019-2021 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.
@@ -35,15 +35,14 @@ import java.net.InetSocketAddress;
 import java.net.MalformedURLException;
 import java.net.URL;
 
-public class CbsClientImpl implements CbsClient {
-
-    private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientImpl.class);
+public class CbsClientRest implements CbsClient {
+    private static final Logger LOGGER = LoggerFactory.getLogger(CbsClientRest.class);
     private final RxHttpClient httpClient;
     private final String serviceName;
     private final InetSocketAddress cbsAddress;
     private final String protocol;
 
-    public CbsClientImpl(RxHttpClient httpClient, String serviceName, InetSocketAddress cbsAddress, String protocol) {
+    public CbsClientRest(RxHttpClient httpClient, String serviceName, InetSocketAddress cbsAddress, String protocol) {
         this.httpClient = httpClient;
         this.serviceName = serviceName;
         this.cbsAddress = cbsAddress;
@@ -65,6 +64,14 @@ public class CbsClientImpl implements CbsClient {
                 .doOnNext(this::logCbsResponse);
     }
 
+    private void logRequestUrl(String url) {
+        LOGGER.debug("Calling {} for configuration", url);
+    }
+
+    private void logCbsResponse(JsonObject json) {
+        LOGGER.info("Got successful response from Config Binding Service");
+        LOGGER.debug("CBS response: {}", json);
+    }
 
     private URL constructUrl(CbsRequest request) {
         try {
@@ -77,13 +84,4 @@ public class CbsClientImpl implements CbsClient {
             throw new IllegalArgumentException("Invalid CBS URL", e);
         }
     }
-
-    private void logRequestUrl(String url) {
-        LOGGER.debug("Calling {} for configuration", url);
-    }
-
-    private void logCbsResponse(JsonObject json) {
-        LOGGER.info("Got successful response from Config Binding Service");
-        LOGGER.debug("CBS response: {}", json);
-    }
-}
+}
\ No newline at end of file
diff --git a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/model/CbsClientConfiguration.java b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/model/CbsClientConfiguration.java
index 36555c2b..0a3b9657 100644
--- a/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/model/CbsClientConfiguration.java
+++ b/rest-services/cbs-client/src/main/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/model/CbsClientConfiguration.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START====================================
  * DCAEGEN2-SERVICES-SDK
  * =========================================================
- * Copyright (C) 2019 Nokia. All rights reserved.
+ * Copyright (C) 2019-2021 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.
@@ -126,6 +126,10 @@ public interface CbsClientConfiguration {
     default String cbsName() {
         return "config-binding-service";
     }
+    @Value.Default
+    default String configMapFilePath() {
+        return "/app-config/application_config.yaml";
+    }
 
     /**
      * Creates CbsClientConfiguration from system environment variables.
diff --git a/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMapTest.java b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMapTest.java
new file mode 100644
index 00000000..07b44e9e
--- /dev/null
+++ b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientConfigMapTest.java
@@ -0,0 +1,57 @@
+/*
+ * ============LICENSE_START====================================
+ * DCAEGEN2-SERVICES-SDK
+ * =========================================================
+ * Copyright (C) 2021 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.dcaegen2.services.sdk.rest.services.cbs.client.impl;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonObject;
+import org.junit.jupiter.api.Test;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
+import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests;
+import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
+import org.onap.dcaegen2.services.sdk.services.common.FileReader;
+import org.yaml.snakeyaml.Yaml;
+import java.util.LinkedHashMap;
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class CbsClientConfigMapTest {
+
+    @Test
+    void shouldFetchUsingProperConfigMapFile() {
+        // given
+        String configMapFilePath = "src/test/resources/application_config.yaml";
+        final CbsClient cut = new CbsClientConfigMap(configMapFilePath);
+
+        RequestDiagnosticContext diagnosticContext = RequestDiagnosticContext.create();
+
+        // when
+        final JsonObject result = cut.get(CbsRequests.getConfiguration(diagnosticContext)).block();
+
+        // then
+        assertThat(result).isNotNull();
+        assertThat(result).isEqualTo(covertYamlToJson(configMapFilePath));
+    }
+
+    private JsonObject covertYamlToJson(String configMapFilePath) {
+        Gson gson = new GsonBuilder().create();
+        return gson.fromJson(gson.toJson(new Yaml().load(new FileReader(configMapFilePath).getContent()),
+                LinkedHashMap.class), JsonObject.class);
+    }
+}
diff --git a/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplIT.java b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplIT.java
index 5804c165..83743a6c 100644
--- a/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplIT.java
+++ b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplIT.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START====================================
  * DCAEGEN2-SERVICES-SDK
  * =========================================================
- * Copyright (C) 2019 Nokia. All rights reserved.
+ * Copyright (C) 2019-2021 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.
@@ -22,6 +22,7 @@ package org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl;
 
 import com.google.gson.JsonObject;
 import io.vavr.collection.Stream;
+import org.jetbrains.annotations.NotNull;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -64,8 +65,11 @@ class CbsClientImplIT {
     private static final String SAMPLE_ALL = "/sample_all.json";
     private static final String SAMPLE_KEY = "/sample_key.json";
     private static final String SAMPLE_CONFIG_KEY = "keystore.path";
-    private static final String EXPECTED_CONFIG_VALUE = "/var/run/security/keystore.p12";
-    private static CbsClientConfiguration sampleConfiguration;
+    private static final String EXPECTED_CONFIG_VALUE_FROM_CBS = "/var/run/security/keystore.p12";
+    private static final String EXPECTED_CONFIG_VALUE_FROM_FILE = "/var/run/security/keystore_file.p12";
+    private static final String CONFIG_MAP_FILE_PATH = "src/test/resources/sample_local_service_config.json";
+    private static CbsClientConfiguration sampleConfigurationCbsSource;
+    private static CbsClientConfiguration sampleConfigurationFileSource;
     private static DummyHttpServer server;
 
     @BeforeAll
@@ -75,12 +79,9 @@ class CbsClientImplIT {
                         .get("/service_component_all/dcae-component", (req, resp) -> sendResource(resp, SAMPLE_ALL))
                         .get("/sampleKey/dcae-component", (req, resp) -> sendResource(resp, SAMPLE_KEY))
         );
-        sampleConfiguration = ImmutableCbsClientConfiguration.builder()
-                .protocol("http")
-                .appName("dcae-component")
-                .hostname(server.host())
-                .port(server.port())
-                .build();
+        ImmutableCbsClientConfiguration.Builder configBuilder = getConfigBuilder();
+        sampleConfigurationCbsSource = configBuilder.build();
+        sampleConfigurationFileSource = configBuilder.configMapFilePath(CONFIG_MAP_FILE_PATH).build();
     }
 
     @AfterAll
@@ -91,7 +92,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithSingleCall() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
 
         // when
@@ -99,7 +100,7 @@ class CbsClientImplIT {
 
         // then
         StepVerifier.create(result.map(this::sampleConfigValue))
-                .expectNext(EXPECTED_CONFIG_VALUE)
+                .expectNext(EXPECTED_CONFIG_VALUE_FROM_CBS)
                 .expectComplete()
                 .verify(Duration.ofSeconds(5));
     }
@@ -107,7 +108,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithPeriodicCall() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
 
         // when
@@ -117,7 +118,7 @@ class CbsClientImplIT {
         // then
         final int itemsToTake = 5;
         StepVerifier.create(result.take(itemsToTake).map(this::sampleConfigValue))
-                .expectNextSequence(Stream.of(EXPECTED_CONFIG_VALUE).cycle(itemsToTake))
+                .expectNextSequence(Stream.of(EXPECTED_CONFIG_VALUE_FROM_CBS).cycle(itemsToTake))
                 .expectComplete()
                 .verify(Duration.ofSeconds(5));
     }
@@ -125,7 +126,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithUpdatesCall() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
         final Duration period = Duration.ofMillis(10);
 
@@ -136,7 +137,23 @@ class CbsClientImplIT {
         // then
         final Duration timeToCollectItemsFor = period.multipliedBy(50);
         StepVerifier.create(result.take(timeToCollectItemsFor).map(this::sampleConfigValue))
-                .expectNext(EXPECTED_CONFIG_VALUE)
+                .expectNext(EXPECTED_CONFIG_VALUE_FROM_CBS)
+                .expectComplete()
+                .verify(Duration.ofSeconds(5));
+    }
+
+    @Test
+    void testCbsClientWithConfigRetrievedFromFile() {
+        // given
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationFileSource);
+        final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
+
+        // when
+        final Mono<JsonObject> result = sut.flatMap(cbsClient -> cbsClient.get(request));
+
+        // then
+        StepVerifier.create(result.map(this::sampleConfigValue))
+                .expectNext(EXPECTED_CONFIG_VALUE_FROM_FILE)
                 .expectComplete()
                 .verify(Duration.ofSeconds(5));
     }
@@ -144,7 +161,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithStreamsParsing() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final StreamFromGsonParser<KafkaSink> kafkaSinkParser = StreamFromGsonParsers.kafkaSinkParser();
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
 
@@ -168,7 +185,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithStreamsParsingUsingSwitch() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
         // TODO: Use these parsers below
         final StreamFromGsonParser<KafkaSink> kafkaSinkParser = StreamFromGsonParsers.kafkaSinkParser();
@@ -204,7 +221,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithStreamsParsingWhenUsingInvalidParser() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final StreamFromGsonParser<KafkaSource> kafkaSourceParser = StreamFromGsonParsers.kafkaSourceParser();
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
 
@@ -228,7 +245,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithSingleAllRequest() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getAll(RequestDiagnosticContext.create());
 
         // when
@@ -249,7 +266,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWithSingleKeyRequest() {
         // given
-        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfiguration);
+        final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(sampleConfigurationCbsSource);
         final CbsRequest request = CbsRequests.getByKey(RequestDiagnosticContext.create(), "sampleKey");
 
         // when
@@ -268,7 +285,7 @@ class CbsClientImplIT {
     @Test
     void testCbsClientWhenTheConfigurationWasNotFound() {
         // given
-        final CbsClientConfiguration unknownAppEnv = ImmutableCbsClientConfiguration.copyOf(sampleConfiguration).withAppName("unknown_app");
+        final CbsClientConfiguration unknownAppEnv = ImmutableCbsClientConfiguration.copyOf(sampleConfigurationCbsSource).withAppName("unknown_app");
         final Mono<CbsClient> sut = CbsClientFactory.createCbsClient(unknownAppEnv);
         final CbsRequest request = CbsRequests.getConfiguration(RequestDiagnosticContext.create());
 
@@ -281,6 +298,15 @@ class CbsClientImplIT {
                 .verify(Duration.ofSeconds(5));
     }
 
+    @NotNull
+    private static ImmutableCbsClientConfiguration.Builder getConfigBuilder() {
+        return ImmutableCbsClientConfiguration.builder()
+                .protocol("http")
+                .appName("dcae-component")
+                .hostname(server.host())
+                .port(server.port());
+    }
+
     private String sampleConfigValue(JsonObject obj) {
         return obj.get(SAMPLE_CONFIG_KEY).getAsString();
     }
diff --git a/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplTest.java b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientRestTest.java
index c9f92717..6368fbac 100644
--- a/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientImplTest.java
+++ b/rest-services/cbs-client/src/test/java/org/onap/dcaegen2/services/sdk/rest/services/cbs/client/impl/CbsClientRestTest.java
@@ -33,9 +33,7 @@ import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsClient;
 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.api.CbsRequests;
 import org.onap.dcaegen2.services.sdk.rest.services.model.logging.RequestDiagnosticContext;
 import reactor.core.publisher.Mono;
-
 import java.net.InetSocketAddress;
-
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.BDDMockito.given;
@@ -46,7 +44,7 @@ import static org.mockito.Mockito.verify;
  * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
  * @since February 2019
  */
-class CbsClientImplTest {
+class CbsClientRestTest {
     private final RxHttpClient httpClient = mock(RxHttpClient.class);
 
     @Test
@@ -54,7 +52,7 @@ class CbsClientImplTest {
         // given
         InetSocketAddress cbsAddress = InetSocketAddress.createUnresolved("cbshost", 6969);
         String serviceName = "dcaegen2-ves-collector";
-        final CbsClient cut = new CbsClientImpl(httpClient, serviceName, cbsAddress, "http");
+        final CbsClient cut = new CbsClientRest(httpClient, serviceName, cbsAddress, "http");
         final HttpResponse httpResponse = ImmutableHttpResponse.builder()
                 .url("http://xxx")
                 .statusCode(200)
diff --git a/rest-services/cbs-client/src/test/resources/application_config.yaml b/rest-services/cbs-client/src/test/resources/application_config.yaml
new file mode 100644
index 00000000..c43b9733
--- /dev/null
+++ b/rest-services/cbs-client/src/test/resources/application_config.yaml
@@ -0,0 +1,10 @@
+---
+streams_publishes:
+  perf3gpp:
+    type: kafka
+    aaf_credentials:
+      username: admin
+      password: admin_secret
+    kafka_info:
+      bootstrap_servers: message-router-kafka-0:9093
+      topic_name: HV_VES_PERF3GPP
diff --git a/rest-services/cbs-client/src/test/resources/sample_local_service_config.json b/rest-services/cbs-client/src/test/resources/sample_local_service_config.json
new file mode 100644
index 00000000..af0ce6d5
--- /dev/null
+++ b/rest-services/cbs-client/src/test/resources/sample_local_service_config.json
@@ -0,0 +1,33 @@
+{
+    "keystore.path": "/var/run/security/keystore_file.p12",
+    "streams_publishes": {
+        "perf3gpp": {
+            "type": "kafka",
+            "kafka_info": {
+                "bootstrap_servers": "dmaap-mr-kafka:6060",
+                "topic_name": "HVVES_PERF3GPP"
+            }
+        },
+        "pnf_ready": {
+            "type": "message_router",
+            "dmaap_info": {
+                "topic_url": "http://message-router:3904/events/VES_PNF_READY"
+            }
+        },
+        "call_trace": {
+            "type": "kafka",
+            "kafka_info": {
+                "bootstrap_servers": "dmaap-mr-kafka:6060",
+                "topic_name": "HVVES_TRACE"
+            }
+        }
+    },
+    "streams_subscribes": {
+        "measurements": {
+            "type": "message_router",
+            "dmaap_info": {
+                "topic_url": "http://message-router:3904/events/VES_MEASUREMENT"
+            }
+        }
+    }
+}