fix(scheduler): lower case CPU limits and upper case first char in Me…

…mory limits for Kubernetes

Fixes #915

rootfs/scheduler/__init__.py

@@ -619,11 +619,13 @@ def _set_container(self, namespace, container_name, data, **kwargs):  # noqa
             if mem[-2:-1].isalpha() and mem[-1].isalpha():
                 mem = mem[:-1]
 
-            mem = mem + "i"
+            # memory needs to be upper cased (only first char)
+            mem = mem.upper() + "i"
             data["resources"]["limits"]["memory"] = mem
 
         if cpu:
-            data["resources"]["limits"]["cpu"] = cpu
+            # CPU needs to be defined as lower case
+            data["resources"]["limits"]["cpu"] = cpu.lower()
 
         # add in healthchecks
         healthchecks = kwargs.get('healthcheck', None)

rootfs/scheduler/tests/test_scheduler.py

@@ -53,3 +53,16 @@ def test_set_container_applies_healthcheck_with_routable(self):
                                              data,
                                              healthcheck=healthcheck)
         self.assertEqual(data.get('livenessProbe'), None)
+
+    def test_set_container_limits(self):
+        """
+        Test that when _set_container has limits that is sets them properly
+        """
+        data = {}
+        self.scheduler_client._set_container(
+            'foo', 'bar', data, app_type='fake', cpu={'fake': '500M'}, memory={'fake': '1024m'}
+        )
+        # make sure CPU gets lower cased
+        self.assertEqual(data['resources']['limits']['cpu'], '500m', 'CPU should be lower cased')
+        # make sure first char of Memory is upper cased
+        self.assertEqual(data['resources']['limits']['memory'], '1024Mi', 'Memory should be upper cased')  # noqa