From 1c426c51361cf7a978b4de72efff76abb5af0b96 Mon Sep 17 00:00:00 2001
From: Jens Langhammer <jens.langhammer@beryju.org>
Date: Mon, 19 Oct 2020 16:21:39 +0200
Subject: [PATCH] outposts: trigger deployment re-create when selector changes

---
 passbook/outposts/controllers/k8s/deployment.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/passbook/outposts/controllers/k8s/deployment.py b/passbook/outposts/controllers/k8s/deployment.py
index d1052e361..2deae1fd3 100644
--- a/passbook/outposts/controllers/k8s/deployment.py
+++ b/passbook/outposts/controllers/k8s/deployment.py
@@ -19,6 +19,7 @@ from kubernetes.client import (
 from passbook import __version__
 from passbook.outposts.controllers.k8s.base import (
     KubernetesObjectReconciler,
+    NeedsRecreate,
     NeedsUpdate,
 )
 from passbook.outposts.models import Outpost
@@ -44,6 +45,8 @@ class DeploymentReconciler(KubernetesObjectReconciler[V1Deployment]):
         return f"passbook-outpost-{self.outpost.name}"
 
     def reconcile(self, current: V1Deployment, reference: V1Deployment):
+        if current.spec.selector.match_labels != reference.spec.selector.match_labels:
+            raise NeedsRecreate()
         if current.spec.replicas != reference.spec.replicas:
             raise NeedsUpdate()
         if (