Added healthy status for page

flaskpagethread.py

@@ -7,6 +7,7 @@ class FlaskPageThread(Thread):
         self.func     = func
         self.args     = args
         self.page     = ("init", 500)
+        self.hhealthy = False
         name  = kwargs.get("name", "FlaskPageThread")
         super().__init__(target=self.run, daemon=True, name=name)
 
@@ -14,9 +15,11 @@ class FlaskPageThread(Thread):
         try:
             data = self.func(*self.args)
             self.page = (data, 200)
+            self.hhealthy = True
         except Exception as e:
             print("Exception: %s" % e)
             self.page = ("Internal error", 500)
+            self.hhealthy = False
 
     def run(self):
         self.genpage()