Update AAI Assistant Tools for CCVPN Extension

Implementaion to support intelligent surveillance
function in CCVPN extension

Issue-ID: HOLMES-194

Change-Id: Ic1b6acc5efb72a1f65f27ce5c27d2d6b6f47b7ce
Signed-off-by: irama <rama.subba.reddy.s@huawei.com>

3 files changed, 262 insertions, 1 deletions

diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiJsonParserUtil.java b/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiJsonParserUtil.java
new file mode 100644
index 0000000..e6cd207
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiJsonParserUtil.java
@@ -0,0 +1,135 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.holmes.common.aai
+ * ================================================================================
+ * Copyright (C) 2018-2019 Huawei. 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.holmes.common.aai;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import lombok.extern.slf4j.Slf4j;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.aai.config.AaiConfig;
+import org.onap.holmes.common.config.MicroServiceConfig;
+import org.onap.holmes.common.exception.CorrelationException;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+
+@Service
+@Slf4j
+public class AaiJsonParserUtil {
+
+    public static String getPath(String urlTemplate, String paramName, String paramValue) {
+        return urlTemplate.replaceAll("\\{" + paramName + "\\}", paramValue);
+    }
+
+    public static String getPath(String serviceInstancePath) {
+        Pattern pattern = Pattern.compile("/aai/(v\\d+)/([A-Za-z0-9\\-]+[^/])(/*.*)");
+        Matcher matcher = pattern.matcher(serviceInstancePath);
+        String ret = "/api";
+        if (matcher.find()) {
+            ret += "/aai-" + matcher.group(2) + "/" + matcher.group(1) + matcher.group(3);
+        }
+
+        return ret;
+    }
+
+    public static Response get(String host, String path) throws CorrelationException {
+        Client client = ClientBuilder.newClient();
+        WebTarget target = client.target(host).path(path);
+        try {
+            Response response = target.request().headers(getAaiHeaders()).get();
+            if (response.getStatusInfo().getFamily() != Response.Status.Family.SUCCESSFUL) {
+                throw new CorrelationException("Failed to connect to AAI. \nCause: "
+                                                       + response.getStatusInfo().getReasonPhrase() + "\nDetails: \n"
+                                                       + getErrorMsg(String.format("%s%s", host, path), null, response));
+            }
+            return response;
+        } catch (CorrelationException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new CorrelationException(e.getMessage() + "More info: "
+                                                   + getErrorMsg(String.format("%s%s", host, path), null, null), e);
+        }
+    }
+
+    public static JSONObject getInfo(String response, String field) {
+        JSONObject jObject = JSONObject.parseObject(response);
+        JSONObject relationshipList = extractJsonObject(jObject, "relationship-list");
+        JSONArray relationShip = extractJsonArray(relationshipList, "relationship");
+        if (relationShip != null) {
+            for (int i = 0; i < relationShip.size(); ++i) {
+                final JSONObject object = relationShip.getJSONObject(i);
+                if (object.getString("related-to").equals(field)) {
+                    return object;
+                }
+            }
+        }
+        return null;
+    }
+
+    public static JSONObject extractJsonObject(JSONObject obj, String key) {
+        if (obj != null && key != null && obj.containsKey(key)) {
+            return obj.getJSONObject(key);
+        }
+        return null;
+    }
+
+    public static JSONArray extractJsonArray(JSONObject obj, String key) {
+        if (obj != null && key != null && obj.containsKey(key)) {
+            return obj.getJSONArray(key);
+        }
+        return null;
+    }
+
+    public static String getHostAddr() {
+        return MicroServiceConfig.getMsbServerAddrWithHttpPrefix();
+    }
+
+    public static String getErrorMsg(String url, Map<String, Object> body, Response response) {
+        StringBuilder sb = new StringBuilder();
+        sb.append("Rerquest URL: ").append(url).append("\n");
+        sb.append("Request Header: ").append(JSONObject.toJSONString(getAaiHeaders())).append("\n");
+        if (body != null) {
+            sb.append("Request Body: ").append(JSONObject.toJSONString(body)).append("\n");
+        }
+        if (response != null) {
+            sb.append("Request Body: ").append(response.readEntity(String.class));
+        }
+        return sb.toString();
+    }
+
+    public static MultivaluedMap getAaiHeaders() {
+        MultivaluedMap<String, Object> headers = new MultivaluedHashMap<>();
+        headers.add("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
+        headers.add("X-FromAppId", AaiConfig.X_FROMAPP_ID);
+        headers.add("Authorization", AaiConfig.getAuthenticationCredentials());
+        headers.add("Accept", "application/json");
+        headers.add("Content-Type", "application/json");
+        return headers;
+    }
+}
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiQuery4Ccvpn2.java b/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiQuery4Ccvpn2.java
new file mode 100644
index 0000000..9b13b8e
--- /dev/null
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/aai/AaiQuery4Ccvpn2.java
@@ -0,0 +1,118 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * org.onap.holmes.common.aai
+ * ================================================================================
+ * Copyright (C) 2018-2019 Huawei. 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.holmes.common.aai;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import lombok.extern.slf4j.Slf4j;
+import org.jvnet.hk2.annotations.Service;
+import org.onap.holmes.common.aai.config.AaiConfig;
+import org.onap.holmes.common.exception.CorrelationException;
+
+import javax.ws.rs.core.MultivaluedHashMap;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import static org.onap.holmes.common.aai.AaiJsonParserUtil.extractJsonArray;
+import static org.onap.holmes.common.aai.AaiJsonParserUtil.get;
+import static org.onap.holmes.common.aai.AaiJsonParserUtil.getHostAddr;
+import static org.onap.holmes.common.aai.AaiJsonParserUtil.getInfo;
+import static org.onap.holmes.common.aai.AaiJsonParserUtil.getPath;
+
+@Service
+@Slf4j
+public class AaiQuery4Ccvpn2 {
+
+    private MultivaluedMap<String, Object> headers;
+
+    static public AaiQuery4Ccvpn2 newInstance() {
+        return new AaiQuery4Ccvpn2();
+    }
+
+    private AaiQuery4Ccvpn2() {
+        headers = new MultivaluedHashMap<>();
+        headers.add("X-TransactionId", AaiConfig.X_TRANSACTION_ID);
+        headers.add("X-FromAppId", AaiConfig.X_FROMAPP_ID);
+        headers.add("Authorization", AaiConfig.getAuthenticationCredentials());
+        headers.add("Accept", "application/json");
+        headers.add("Content-Type", "application/json");
+    }
+
+    private String getSiteVNFId(String siteService) throws CorrelationException {
+        Response response = get(getHostAddr(), AaiConfig.MsbConsts.AAI_SITE_RESOURCES_QUERY);
+        String resStr = response.readEntity(String.class);
+        JSONObject resObj = JSON.parseObject(resStr);
+        JSONArray siteResources = extractJsonArray(resObj, "site-resource");
+        if (siteResources != null) {
+            for (int i = 0; i < siteResources.size(); i++) {
+                final JSONObject object = siteResources.getJSONObject(i);
+                if (siteService.equals(object.getString("site-resource-name"))) {
+                    JSONObject vnfInfo = getInfo(object.toJSONString(), "vnf-instance");
+                    String vnfPath = vnfInfo.getString("related-link");
+
+                    String vnfId = null;
+                    Pattern pattern = Pattern.compile("/aai/v\\d+/business/customers/customer/(.+)" +
+                                                              "/service-subscriptions/service-subscription/(.+)" +
+                                                              "/vnf-instances/vnf-instance/(.+)");
+                    Matcher matcher = pattern.matcher(vnfPath);
+                    if (matcher.find()) {
+                        vnfId = matcher.group(3);
+                    }
+
+                    return vnfId;
+                }
+            }
+        }
+        return null;
+    }
+
+    private JSONObject getServiceInstanceByVnfId(String vnfId) throws CorrelationException {
+        Response response = get(getHostAddr(), getPath(AaiConfig.MsbConsts.AAI_SITE_VNF_QUERY,
+                                                       "vnfId", vnfId));
+        String resStr = response.readEntity(String.class);
+        return getInfo(resStr, "service-instance");
+    }
+
+    public JSONObject getSiteServiceInstance(String siteService) throws CorrelationException {
+        String vnfId = getSiteVNFId(siteService);
+        JSONObject serviceInstanceInfo = getServiceInstanceByVnfId(vnfId);
+        String serviceInstancePath = serviceInstanceInfo.getString("related-link");
+        Response response = get(getHostAddr(), getPath(serviceInstancePath));
+        String res = response.readEntity(String.class);
+        JSONObject instance = JSON.parseObject(res);
+        String[] params = new String[2];
+        Pattern pattern = Pattern.compile("/aai/v\\d+/business/customers/customer/(.+)" +
+                                                  "/service-subscriptions/service-subscription/(.+)" +
+                                                  "/service-instances/service-instance/(.+)");
+        Matcher matcher = pattern.matcher(serviceInstancePath);
+        if (matcher.find()) {
+            params[0] = matcher.group(1);
+            params[1] = matcher.group(2);
+        }
+        instance.put("globalSubscriberId", params[0]);
+        instance.put("serviceType", params[1]);
+        instance.put("vnfId", vnfId);
+        return instance;
+    }
+}
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/aai/config/AaiConfig.java b/holmes-actions/src/main/java/org/onap/holmes/common/aai/config/AaiConfig.java
index b3cd28a..3373470 100644
--- a/holmes-actions/src/main/java/org/onap/holmes/common/aai/config/AaiConfig.java
+++ b/holmes-actions/src/main/java/org/onap/holmes/common/aai/config/AaiConfig.java
@@ -59,7 +59,9 @@ public class AaiConfig {
 
     public static class MsbConsts {
 
-        private static final String AAI_NETWORK = "/aai/";
+        private static final String AAI_MSB_PREF = "/api";
+
+        private static final String AAI_NETWORK = "/aai-network/";
 
         private static final String AAI_BUSINESS = "/aai-business/";
 
@@ -84,5 +86,11 @@ public class AaiConfig {
         public static final String AAI_SERVICE_INSTANCES_ADDR_4_CCVPN = AAI_BUSINESS + AAI_API_VERSION + "/customers/customer/{global-customer-id}/service-subscriptions/service-subscription/{service-type}";
 
         public static final String AAI_VM_ADDR = AAI_SEARCH + AAI_API_VERSION + "/nodes-query?search-node-type=vserver&filter=";
+
+        public static final String AAI_SITE_RESOURCES_QUERY = AAI_MSB_PREF + AAI_NETWORK + AAI_API_VERSION +
+                "/site-resources";
+
+        public static final String AAI_SITE_VNF_QUERY = AAI_MSB_PREF + AAI_NETWORK + AAI_API_VERSION +
+                "/generic-vnfs/generic-vnf/{vnfId}";
     }
 }