fix: 生成 default dashboard 时，先检查 index-pattern 是否存在，存在即删除

src/main/java/net/geedge/asw/module/runner/service/impl/PcapServiceImpl.java

@@ -426,8 +426,28 @@ public class PcapServiceImpl extends ServiceImpl<PcapDao, PcapEntity> implements
                 if (log.isDebugEnabled()) {
                     log.debug("[generateKibanaDashboardUrl] [dashboard: {}] [exists: {}]", dashboardName, dashboardExists);
                 }
-                // delete index-patten
-                kibanaClient.deleteIndexPattern(token, workspaceId, true);
+
+                // check if index-pattern  exists
+                JSONObject indexPattern = kibanaClient.findIndexPattern(token, "index-pattern", indexName);
+                JSONArray savedObjects = indexPattern.getJSONArray("saved_objects");
+
+                boolean indexExists = savedObjects.stream()
+                        .filter(obj -> {
+                            JSONObject attributes = ((JSONObject) obj).getJSONObject("attributes");
+                            if (T.ObjectUtil.isEmpty(attributes)) return false;
+                            String title = attributes.getString("title");
+                            return T.StrUtil.equals(indexName, title);
+                        })
+                        .findFirst()
+                        .isPresent();
+
+                if (indexExists){
+                    // delete index-pattern
+                    String indexId = savedObjects.stream().map(x -> {
+                        return ((JSONObject) x).getString("id");
+                    }).findFirst().get();
+                    kibanaClient.deleteIndexPattern(token, indexId, true);
+                }
 
                 // import dashboard
                 Map<Object, Object> params = T.MapUtil.builder()