Merge changes Idbdec7b3,I643dadac,I2f54e1d5,I2ead5203

* changes:
  Provide initial a1-pe-sim docs
  Initial code check-in for A1 Policy Enforcement Simulator
  Add basic .gitignore
  Add linters setup

1 files changed, 92 insertions, 0 deletions

diff --git a/src/main/java/org/onap/a1pesimulator/service/ves/RanVesSender.java b/src/main/java/org/onap/a1pesimulator/service/ves/RanVesSender.java
new file mode 100644
index 0000000..9c50197
--- /dev/null
+++ b/src/main/java/org/onap/a1pesimulator/service/ves/RanVesSender.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2021 Samsung Electronics
+ * 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
+ */
+
+package org.onap.a1pesimulator.service.ves;
+
+import org.onap.a1pesimulator.data.VnfConfig;
+import org.onap.a1pesimulator.data.ves.CommonEventHeader;
+import org.onap.a1pesimulator.data.ves.Event;
+import org.onap.a1pesimulator.exception.VesBrokerException;
+import org.onap.a1pesimulator.util.JsonUtils;
+import org.onap.a1pesimulator.util.VnfConfigReader;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+@Service
+public class RanVesSender {
+
+    private static final Logger log = LoggerFactory.getLogger(RanVesSender.class);
+
+    private RestTemplate restTemplate;
+
+    private String vesCollectorProtocol;
+
+    private String vesCollectorPath;
+
+    private VnfConfigReader vnfConfigReader;
+
+    public RanVesSender(RestTemplate restTemplate, VnfConfigReader vnfConfigReader,
+            @Value("${ves.collector.protocol}") String vesCollectorProtocol,
+            @Value("${ves.collector.endpoint}") String vesCollectorPath) {
+        this.restTemplate = restTemplate;
+        this.vnfConfigReader = vnfConfigReader;
+        this.vesCollectorProtocol = vesCollectorProtocol;
+        this.vesCollectorPath = vesCollectorPath;
+    }
+
+    public ResponseEntity<String> send(Event vesEvent) throws VesBrokerException {
+        VnfConfig vnfConfig = vnfConfigReader.getVnfConfig();
+        String url = getVesCollectorUrl(vnfConfig);
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_JSON);
+        headers.setBasicAuth(vnfConfig.getVesUser(), vnfConfig.getVesPassword());
+
+        setVnfInfo(vesEvent, vnfConfig);
+        String event = JsonUtils.INSTANCE.objectToPrettyString(vesEvent);
+
+        log.info("Sending following VES event: {}", event);
+
+        HttpEntity<String> entity = new HttpEntity<>(event, headers);
+        ResponseEntity<String> response = restTemplate.exchange(url, HttpMethod.POST, entity, String.class);
+
+        log.debug("Response received: {}", response);
+
+        if (response.getStatusCode() == HttpStatus.OK || response.getStatusCode() == HttpStatus.ACCEPTED) {
+            return response;
+        } else {
+            String errorMsg =
+                    "Failed to send VES event to the collector with response status code:" + response.getStatusCode();
+            throw new VesBrokerException(errorMsg);
+        }
+    }
+
+    private String getVesCollectorUrl(VnfConfig vnfConfig) {
+        return vesCollectorProtocol + "://" + vnfConfig.getVesHost() + ":" + vnfConfig.getVesPort() + vesCollectorPath;
+    }
+
+    private void setVnfInfo(Event vesEvent, VnfConfig vnfConfig) {
+        CommonEventHeader header = vesEvent.getCommonEventHeader();
+        header.setSourceId(vnfConfig.getVnfId());
+        header.setSourceName(vnfConfig.getVnfName());
+        vesEvent.setCommonEventHeader(header);
+    }
+}