1 files changed, 72 insertions, 0 deletions
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java
new file mode 100644
index 0000000..00947bf
--- /dev/null
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/msb/EngineInsQueryTool.java
@@ -0,0 +1,72 @@
+/**
+ * Copyright 2017 ZTE Corporation.
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.holmes.rulemgt.msb;
+
+
+import java.io.IOException;
+
+import lombok.extern.slf4j.Slf4j;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.api.entity.ServiceEntity;
+import org.onap.holmes.common.api.entity.ServiceNode4Query;
+import org.onap.holmes.common.config.MicroServiceConfig;
+import org.onap.holmes.common.utils.GsonUtil;
+import org.onap.holmes.common.utils.HttpsUtils;
+
+import javax.annotation.PostConstruct;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+@Service
+@Slf4j
+public class EngineInsQueryTool {
+
+    private String url;
+
+    @PostConstruct
+    public void init() {
+        String[] msbAddrInfo = MicroServiceConfig.getMsbIpAndPort();
+        url = String.format("http://%s:%s/api/microservices/v1/services/holmes-engine-mgmt/version/v1",
+                msbAddrInfo[0], msbAddrInfo[1]);
+    }
+
+    public List<String> getInstanceList() throws Exception {
+		String response;
+		HttpGet httpGet = new HttpGet(url);
+		try (CloseableHttpClient httpClient = HttpsUtils.getHttpClient(HttpsUtils.DEFUALT_TIMEOUT)) {
+			HttpResponse httpResponse = HttpsUtils.get(httpGet, new HashMap<>(), httpClient);
+			response = HttpsUtils.extractResponseEntity(httpResponse);
+		} catch (Exception e) {
+			throw e;
+		} finally {
+			httpGet.releaseConnection();
+
+		}
+		ServiceEntity service = GsonUtil.jsonToBean(response, ServiceEntity.class);
+		List<ServiceNode4Query> nodesList = service.getNodes();
+		List<String> ipList = new ArrayList<>();
+		for (ServiceNode4Query node : nodesList) {
+			ipList.add(node.getIp());
+		}
+		return ipList;
+
+    }
+
+}