From 4401c26496c9baa8b42e0c1cd144eeeb09aecf0b Mon Sep 17 00:00:00 2001
From: jenkins <jenkins@bstein.dev>
Date: Tue, 21 Apr 2026 20:48:02 -0300
Subject: [PATCH] jenkins: de-prefer spillover longhorn nodes for controller
 and agents

---
 services/jenkins/configmap-jcasc.yaml | 34 +++++++++++++++++++++++++++
 services/jenkins/deployment.yaml      | 15 ++++++++++++
 2 files changed, 49 insertions(+)

diff --git a/services/jenkins/configmap-jcasc.yaml b/services/jenkins/configmap-jcasc.yaml
index 16304c68..d0a3fe84 100644
--- a/services/jenkins/configmap-jcasc.yaml
+++ b/services/jenkins/configmap-jcasc.yaml
@@ -488,6 +488,40 @@ data:
               podRetention: Never
               serviceAccount: "jenkins"
               slaveConnectTimeoutStr: "100"
+              yaml: |
+                spec:
+                  affinity:
+                    nodeAffinity:
+                      preferredDuringSchedulingIgnoredDuringExecution:
+                        - weight: 100
+                          preference:
+                            matchExpressions:
+                              - key: atlas.bstein.dev/spillover
+                                operator: DoesNotExist
+                        - weight: 95
+                          preference:
+                            matchExpressions:
+                              - key: kubernetes.io/hostname
+                                operator: NotIn
+                                values:
+                                  - titan-13
+                                  - titan-15
+                                  - titan-17
+                                  - titan-19
+                        - weight: 85
+                          preference:
+                            matchExpressions:
+                              - key: hardware
+                                operator: In
+                                values:
+                                  - rpi5
+                  topologySpreadConstraints:
+                    - maxSkew: 1
+                      topologyKey: kubernetes.io/hostname
+                      whenUnsatisfiable: ScheduleAnyway
+                      labelSelector:
+                        matchLabels:
+                          jenkins/jenkins-jenkins-agent: "true"
               yamlMergeStrategy: override
               inheritYamlMergeStrategy: false
       slaveAgentPort: 50000
diff --git a/services/jenkins/deployment.yaml b/services/jenkins/deployment.yaml
index 5e531218..39bbd8cd 100644
--- a/services/jenkins/deployment.yaml
+++ b/services/jenkins/deployment.yaml
@@ -70,6 +70,21 @@ spec:
       affinity:
         nodeAffinity:
           preferredDuringSchedulingIgnoredDuringExecution:
+            - weight: 100
+              preference:
+                matchExpressions:
+                  - key: atlas.bstein.dev/spillover
+                    operator: DoesNotExist
+            - weight: 95
+              preference:
+                matchExpressions:
+                  - key: kubernetes.io/hostname
+                    operator: NotIn
+                    values:
+                      - titan-13
+                      - titan-15
+                      - titan-17
+                      - titan-19
             - weight: 90
               preference:
                 matchExpressions: