add healthchecks

model_service/utils/__init__.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python3
 from .require_decorators import json_required, multipart_required
 from .error_handlers import register_all_error_handlers
-from .storage import storage, ensure_buckets
+from .storage import storage, ensure_buckets
+from .healthckecks import health_database_status

model_service/utils/healthckecks.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+
+from model import db
+
+"""
+Healthchek functions
+"""
+
+__author__ = "@tormakris"
+__copyright__ = "Copyright 2020, Birbnetes Team"
+__module_name__ = "healthchecks"
+__version__text__ = "1"
+
+
+def health_database_status():
+    is_database_working = True
+    output = 'database is ok'
+    try:
+        db.session.execute('SELECT 1')
+    except Exception as e:
+        output = str(e)
+        is_database_working = False
+    return is_database_working, output