fix(controller): Set replicas to the current value of the deployment.

teamhephy · Jun 15, 2020 · a4d0e22 · a4d0e22
1 parent d6023de
commit a4d0e22
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/rootfs/scheduler/resources/deployment.py b/rootfs/scheduler/resources/deployment.py
@@ -137,6 +137,11 @@ def create(self, namespace, name, image, entrypoint, command, spec_annotations,
         return response
 
     def update(self, namespace, name, image, entrypoint, command, spec_annotations, **kwargs):
+        # Set the replicas value to the current replicas of the deployment.
+        # This avoids resetting the replicas which causes disruptions during the deployment.
+        deployment = self.deployment.get(namespace, name).json()
+        current_replicas = int(deployment['spec']['replicas'])
+        kwargs['replicas'] = current_replicas
         manifest = self.manifest(namespace, name, image,
                                  entrypoint, command, spec_annotations, **kwargs)