From 3513dfb9fc4a1cbfc3d00fe05ec3667750a60bdb Mon Sep 17 00:00:00 2001
From: Monty Taylor <mordred@inaugust.com>
Date: Wed, 9 Jan 2019 20:13:19 +0000
Subject: [PATCH] Prevent gitea pods from being co-scheduled

For scale out purposes, we only want one gitea pod per underlying
kubernetes node. Use podAntiAffinity to accomplish this.

Change-Id: Icd8f70cf7e1640e58133f67e8a519267ac3b36d3
---
 kubernetes/gitea/k8s/deployment.yaml | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/kubernetes/gitea/k8s/deployment.yaml b/kubernetes/gitea/k8s/deployment.yaml
index 9d84148f00..fd4769c61e 100644
--- a/kubernetes/gitea/k8s/deployment.yaml
+++ b/kubernetes/gitea/k8s/deployment.yaml
@@ -71,3 +71,13 @@ spec:
         - name: secrets
           secret:
             secretName: gitea-app
+      affinity:
+        podAntiAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            - labelSelector:
+                matchExpressions:
+                  - key: app
+                    operator: In
+                    values:
+                      - gitea
+              topologyKey: "kubernetes.io/hostname"