[stable/datadog] Add nodeSelector for Cluster Agent Deployment (#19430)

Signed-off-by: Ivan Sukhomlyn <ivan.sukhomlyn@ring.com>

stable/datadog/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: datadog
-version: 1.38.9
+version: 1.38.10
 appVersion: "6"
 description: DataDog Agent
 keywords:

stable/datadog/README.md

@@ -348,6 +348,7 @@ helm install --name <RELEASE_NAME> \
 | `clusterAgent.confd`                     | Additional check configurations (static and Autodiscovery)                                | `nil`                                       |
 | `clusterAgent.podAnnotations`            | Annotations to add to the Cluster Agent Pod(s)                                            | `nil`                                       |
 | `clusterAgent.priorityClassName`         | Name of the priorityClass to apply to the Cluster Agent                                   | `nil`                                       |
+| `clusterAgent.nodeSelector`              | Node selectors to apply to the Cluster Agent deployment                                   | `nil`                                       |
 | `clusterAgent.resources.requests.cpu`    | CPU resource requests                                                                     | `200m`                                      |
 | `clusterAgent.resources.limits.cpu`      | CPU resource limits                                                                       | `200m`                                      |
 | `clusterAgent.resources.requests.memory` | Memory resource requests                                                                  | `256Mi`                                     |

stable/datadog/templates/cluster-agent-deployment.yaml

@@ -180,4 +180,8 @@ spec:
 {{ toYaml .Values.clusterAgent.affinity | indent 8 }}
       {{- end }}
       serviceAccountName: {{ if .Values.rbac.create }}{{ template "datadog.fullname" . }}-cluster-agent{{ else }}"{{ .Values.rbac.serviceAccountName }}"{{ end }}
+      {{- if .Values.clusterAgent.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.clusterAgent.nodeSelector | indent 8 }}
+      {{- end }}
 {{ end }}

stable/datadog/values.yaml

@@ -402,6 +402,13 @@ clusterAgent:
 
   # priorityClassName: system-cluster-critical
 
+  ## @param nodeSelector - object - optional
+  ## Allow the Cluster Agent Deployment to schedule on selected nodes
+  ## Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
+  ## Ref: https://kubernetes.io/docs/user-guide/node-selection/
+  #
+  # nodeSelector: {}
+
   ## @param livenessProbe - object - optional
   ## Override the agent's liveness probe logic from the default:
   ## In case of issues with the probe, you can disable it with the