fix an error case where keys are missing

ci-scripts/cls_rt_monitor.py

@@ -161,6 +161,7 @@ def build_RT_Row(Branch,Commit,keys,filename):
     row.append(Branch)
     row.append(Commit)    
 
+    #parsing the log file
     real_time_stats = {}
     f=open(filename,"r")
     for line in f.readlines():
@@ -171,6 +172,9 @@ def build_RT_Row(Branch,Commit,keys,filename):
                 real_time_stats[k]=tmp.group(1)       
     f.close()
 
+    #parsing the dictionary with the keys we are looking for
+    #dict may be empty if no data found above
+    if len(real_time_stats)!=0:
       for k in keys:
         tmp=re.match(r'^(?P<metric>.*):\s+(?P<avg>\d+\.\d+) us;\s+\d+;\s+(?P<max>\d+\.\d+) us;',real_time_stats[k])
         if tmp is not None:

ci-scripts/ran.py

@@ -934,6 +934,7 @@ class RANManagement():
 				htmleNBFailureMsg += statMsg
 
 			#data log of gNB rela time stats
+			#attention this leads to reading the log file a second time, not very efficient
 			import cls_rt_monitor #import here (rather than on top) is to avoid installing the libs onto 4G bench servers, possibly temporary solution 
 			cls_rt_monitor.gNB_RT_monitor(self.ranBranch,self.ranCommitID, eNBlogFile)