Add toleration and affinity (#47)

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- Add toleration for `node.cluster.x-k8s.io/uninitialized` and `node-role.kubernetes.io/control-plane` taint.
+- Add node affinity to prefer scheduling pods to control-plane nodes.
+
 ## [0.8.0] - 2024-03-27
 
 ### Added

helm/teleport-kube-agent/values.yaml

@@ -975,7 +975,14 @@ log:
 # affinity(object) -- sets the affinities for any pods created by the chart.
 # See [the Kubernetes documentation](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity)
 # for more details.
-affinity: {}
+affinity:
+  nodeAffinity:
+    preferredDuringSchedulingIgnoredDuringExecution:
+    - preference:
+        matchExpressions:
+        - key: node-role.kubernetes.io/control-plane
+          operator: Exists
+      weight: 10
 
 # dnsConfig(object) -- contains custom Pod DNS Configuration for the agent pods.
 # This value is useful if you need to reduce the DNS load: set "ndots" to 0 and
@@ -1209,7 +1216,12 @@ priorityClassName: ""
 # tolerations(list) -- sets the tolerations for any pods created by the chart.
 # See [the Kubernetes documentation](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)
 # for more details.
-tolerations: []
+tolerations:
+  - effect: NoSchedule
+    key: node-role.kubernetes.io/control-plane
+  - effect: NoSchedule
+    key: node.cluster.x-k8s.io/uninitialized
+    operator: "Exists"
 
 # probeTimeoutSeconds(int) -- sets the timeout for the readiness and liveness probes
 # https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/