Added the communication with AAI

Ve-Vnfm (SOL002) Adapter project

Issue-ID: SO-2574
Signed-off-by: Piotr Borelowski <p.borelowski@partner.samsung.com>
Change-Id: I32a1a560d2787b966f1634b3679368412af19520

10 files changed, 476 insertions, 2 deletions

diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/Application.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/Application.java
index c4ca5f1fe1..e4a6bed300 100644
--- a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/Application.java
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/Application.java
@@ -23,10 +23,10 @@ package org.onap.so.adapters.vevnfm;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
-@SpringBootApplication
+@SpringBootApplication(scanBasePackages = {"org.onap.so"})
 public class Application {
 
-    public static void main(String... args) {
+    public static void main(final String... args) {
         SpringApplication.run(Application.class, args);
     }
 }
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiConnection.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiConnection.java
new file mode 100644
index 0000000000..91a79b29bf
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiConnection.java
@@ -0,0 +1,82 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.aai;
+
+import java.util.List;
+import java.util.Optional;
+import org.onap.aai.domain.yang.EsrSystemInfo;
+import org.onap.aai.domain.yang.EsrVnfm;
+import org.onap.aai.domain.yang.EsrVnfmList;
+import org.onap.so.client.aai.AAIObjectType;
+import org.onap.so.client.aai.AAIResourcesClient;
+import org.onap.so.client.aai.entities.uri.AAIUriFactory;
+import org.onap.so.client.graphinventory.entities.uri.Depth;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.stereotype.Service;
+
+@Service
+public class AaiConnection {
+
+    private static final Logger logger = LoggerFactory.getLogger(AaiConnection.class);
+
+    private static final int FIRST_INDEX = 0;
+
+    public String receiveVnfm() {
+        final AAIResourcesClient resourcesClient = new AAIResourcesClient();
+        final Optional<EsrVnfmList> response =
+                resourcesClient.get(EsrVnfmList.class, AAIUriFactory.createResourceUri(AAIObjectType.VNFM_LIST));
+
+        if (response.isPresent()) {
+            final EsrVnfmList esrVnfmList = response.get();
+            logger.info("The VNFM replied with: {}", esrVnfmList);
+            final List<EsrVnfm> esrVnfm = esrVnfmList.getEsrVnfm();
+
+            if (esrVnfm.isEmpty()) {
+                return null;
+            }
+
+            final String vnfmId = esrVnfm.get(FIRST_INDEX).getVnfmId();
+            return receiveVnfmServiceUrl(resourcesClient, vnfmId);
+        }
+
+        return null;
+    }
+
+    private String receiveVnfmServiceUrl(final AAIResourcesClient resourcesClient, final String vnfmId) {
+        final Optional<EsrVnfm> response = resourcesClient.get(EsrVnfm.class,
+                AAIUriFactory.createResourceUri(AAIObjectType.VNFM, vnfmId).depth(Depth.ONE));
+
+        if (response.isPresent()) {
+            final EsrVnfm esrVnfm = response.get();
+            logger.info("The VNFM replied with: {}", esrVnfm);
+            final List<EsrSystemInfo> esrSystemInfo = esrVnfm.getEsrSystemInfoList().getEsrSystemInfo();
+
+            if (esrSystemInfo.isEmpty()) {
+                return null;
+            }
+
+            return esrSystemInfo.get(FIRST_INDEX).getServiceUrl();
+        }
+
+        return null;
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiPropertiesExt.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiPropertiesExt.java
new file mode 100644
index 0000000000..aa8c7f68c9
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/aai/AaiPropertiesExt.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.aai;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+import org.onap.so.client.aai.AAIProperties;
+import org.onap.so.client.aai.AAIVersion;
+import org.onap.so.spring.SpringContextHelper;
+import org.springframework.context.ApplicationContext;
+
+public class AaiPropertiesExt implements AAIProperties {
+
+    private final String endpoint;
+    private final String encryptedBasicAuth;
+    private final String encryptionKey;
+
+    public AaiPropertiesExt() {
+        final ApplicationContext context = SpringContextHelper.getAppContext();
+        this.endpoint = context.getEnvironment().getProperty("aai.endpoint");
+        this.encryptedBasicAuth = context.getEnvironment().getProperty("aai.auth");
+        this.encryptionKey = context.getEnvironment().getProperty("mso.key");
+    }
+
+    @Override
+    public URL getEndpoint() throws MalformedURLException {
+        return new URL(endpoint);
+    }
+
+    @Override
+    public String getSystemName() {
+        return "MSO";
+    }
+
+    @Override
+    public AAIVersion getDefaultVersion() {
+        return AAIVersion.V15;
+    }
+
+    @Override
+    public String getAuth() {
+        return encryptedBasicAuth;
+    }
+
+    @Override
+    public String getKey() {
+        return encryptionKey;
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/ApplicationConfiguration.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/ApplicationConfiguration.java
new file mode 100644
index 0000000000..108b2ee896
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/ApplicationConfiguration.java
@@ -0,0 +1,36 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.configuration;
+
+import org.onap.so.rest.service.HttpRestServiceProvider;
+import org.onap.so.rest.service.HttpRestServiceProviderImpl;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class ApplicationConfiguration {
+
+    @Bean
+    public HttpRestServiceProvider restProvider(final RestTemplate restTemplate) {
+        return new HttpRestServiceProviderImpl(restTemplate);
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/SecurityConfiguration.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/SecurityConfiguration.java
new file mode 100644
index 0000000000..32c2559d7b
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/SecurityConfiguration.java
@@ -0,0 +1,35 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.configuration;
+
+import org.onap.so.security.SoBasicWebSecurityConfigurerAdapter;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+
+@Configuration
+public class SecurityConfiguration extends SoBasicWebSecurityConfigurerAdapter {
+
+    @Override
+    protected void configure(final HttpSecurity http) throws Exception {
+        http.authorizeRequests().antMatchers().permitAll().and().requestMatchers().antMatchers("/").and()
+                .authorizeRequests().anyRequest().authenticated();
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/StartupConfiguration.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/StartupConfiguration.java
new file mode 100644
index 0000000000..f7b7283c59
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/configuration/StartupConfiguration.java
@@ -0,0 +1,48 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.configuration;
+
+import org.onap.so.adapters.vevnfm.service.StartupService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.context.event.ApplicationReadyEvent;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.event.EventListener;
+import org.springframework.core.env.Environment;
+import org.springframework.core.env.Profiles;
+
+@Configuration
+public class StartupConfiguration {
+
+    public static final String TEST_PROFILE = "test";
+
+    @Autowired
+    private Environment environment;
+
+    @Autowired
+    private StartupService startupService;
+
+    @EventListener(ApplicationReadyEvent.class)
+    public void onApplicationReadyEvent() throws Exception {
+        if (!environment.acceptsProfiles(Profiles.of(TEST_PROFILE))) {
+            startupService.run();
+        }
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/exception/VeVnfmException.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/exception/VeVnfmException.java
new file mode 100644
index 0000000000..abd9ff9d33
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/exception/VeVnfmException.java
@@ -0,0 +1,28 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.exception;
+
+public class VeVnfmException extends Exception {
+
+    public VeVnfmException(final String message) {
+        super(message);
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/StartupService.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/StartupService.java
new file mode 100644
index 0000000000..7a9ec9659e
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/StartupService.java
@@ -0,0 +1,53 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.service;
+
+import org.apache.logging.log4j.util.Strings;
+import org.onap.so.adapters.vevnfm.aai.AaiConnection;
+import org.onap.so.adapters.vevnfm.exception.VeVnfmException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class StartupService {
+
+    @Autowired
+    private AaiConnection aaiConnection;
+
+    @Autowired
+    private SubscriberService subscriberService;
+
+    private static void isValid(final String endpoint) throws VeVnfmException {
+        if (Strings.isBlank(endpoint)) {
+            throw new VeVnfmException("No 'url' field in VNFM info");
+        }
+    }
+
+    public void run() throws Exception {
+        final String endpoint = aaiConnection.receiveVnfm();
+        isValid(endpoint);
+        final boolean done = subscriberService.subscribe(endpoint);
+
+        if (!done) {
+            throw new VeVnfmException("Could not subscribe to VNFM");
+        }
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java
new file mode 100644
index 0000000000..e413124b4b
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/service/SubscriberService.java
@@ -0,0 +1,67 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.service;
+
+import org.onap.so.adapters.vevnfm.subscription.SubscribeSender;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.LccnSubscriptionRequest;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthentication;
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.SubscriptionsAuthenticationParamsBasic;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+@Service
+public class SubscriberService {
+
+    private static final char COLON = ':';
+
+    @Value("${notification.url}")
+    private String notificationUrl;
+
+    @Value("${server.port}")
+    private String serverPort;
+
+    @Value("${system.url}")
+    private String systemUrl;
+
+    @Autowired
+    private SubscribeSender sender;
+
+    public boolean subscribe(final String endpoint) {
+        final LccnSubscriptionRequest request = createRequest();
+        return sender.send(endpoint, request);
+    }
+
+    private LccnSubscriptionRequest createRequest() {
+        final LccnSubscriptionRequest request = new LccnSubscriptionRequest();
+        request.callbackUri(getCallbackUri());
+        final SubscriptionsAuthenticationParamsBasic paramsBasic = new SubscriptionsAuthenticationParamsBasic();
+        final SubscriptionsAuthentication authentication = new SubscriptionsAuthentication();
+        authentication.setParamsBasic(paramsBasic);
+        request.authentication(authentication);
+
+        return request;
+    }
+
+    private String getCallbackUri() {
+        return systemUrl + COLON + serverPort + notificationUrl;
+    }
+}
diff --git a/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/subscription/SubscribeSender.java b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/subscription/SubscribeSender.java
new file mode 100644
index 0000000000..1b3a049bcf
--- /dev/null
+++ b/adapters/mso-ve-vnfm-adapter/src/main/java/org/onap/so/adapters/vevnfm/subscription/SubscribeSender.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * SO
+ * ================================================================================
+ * Copyright (C) 2020 Samsung. 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.so.adapters.vevnfm.subscription;
+
+import org.onap.so.adapters.vnfmadapter.extclients.vnfm.model.LccnSubscriptionRequest;
+import org.onap.so.rest.service.HttpRestServiceProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Component;
+
+@Component
+public class SubscribeSender {
+
+    private static final Logger logger = LoggerFactory.getLogger(SubscribeSender.class);
+
+    @Value("${vnfm.subscription}")
+    private String vnfmSubscription;
+
+    @Autowired
+    private HttpRestServiceProvider restProvider;
+
+    public boolean send(final String endpoint, final LccnSubscriptionRequest request) {
+        final ResponseEntity<String> response = restProvider.postHttpRequest(request, getUrl(endpoint), String.class);
+
+        final HttpStatus statusCode = response.getStatusCode();
+        final String body = response.getBody();
+
+        logger.info("The VNFM replied with the code {} and the body {}", statusCode, body);
+
+        return HttpStatus.CREATED == statusCode;
+    }
+
+    private String getUrl(final String endpoint) {
+        return endpoint + vnfmSubscription;
+    }
+}