Initial commit - basics of checker extensions added

extensions/checkers/checker_template/checker_template.py

@@ -0,0 +1,15 @@
+import random
+
+
+class CheckerTemplate:
+    def __init__(arguments):
+        pass
+
+    def get_status():
+        latency = int(random.random() * 3000)
+        if latency > 2500: # "simulate" a timeout
+            return 0
+        elif latency > 1000: # "simulate" a very slow application - a partial outage 
+            return 50
+        else:
+            return 100