From 300d39e29ef9a0e8aeaea900e6877b491501b24b Mon Sep 17 00:00:00 2001
From: Tom Neuber <tomneuber@web.de>
Date: Sun, 9 Jul 2023 14:02:49 +0200
Subject: [PATCH] add node-labeler

---
 node-labeler/node-labeler.yaml | 58 ++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 node-labeler/node-labeler.yaml

diff --git a/node-labeler/node-labeler.yaml b/node-labeler/node-labeler.yaml
new file mode 100644
index 0000000..09f1e45
--- /dev/null
+++ b/node-labeler/node-labeler.yaml
@@ -0,0 +1,58 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: node-labeler
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: worker-node-labeler
+  namespace: node-labeler
+spec:
+  selector:
+    matchLabels:
+      role: worker-node-labeler
+  template:
+    metadata:
+      labels:
+        role: worker-node-labeler
+    spec:
+      tolerations:
+        - key: node-role.kubernetes.io/master
+          operator: Exists
+          effect: NoSchedule
+      containers:
+        - name: labeler
+          image: bitnami/kubectl
+          env:
+            - name: NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+          command: ["/bin/sh", "-c", "while true; do kubectl get node $(NODE_NAME) -o=jsonpath='{.metadata.labels}' | grep -q node-role.kubernetes.io/worker || kubectl label node $(NODE_NAME) node-role.kubernetes.io/worker=; sleep 60; done"]
+          imagePullPolicy: IfNotPresent
+      restartPolicy: Always
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  name: worker-node-labeler-role
+  namespace: node-labeler
+rules:
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs: ["get", "patch"]
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: worker-node-labeler-binding
+  namespace: node-labeler
+subjects:
+  - kind: ServiceAccount
+    name: default
+    namespace: node-labeler
+roleRef:
+  kind: ClusterRole
+  name: worker-node-labeler-role
+  apiGroup: rbac.authorization.k8s.io
\ No newline at end of file