[TT-7498] - Add nodeSelector support

CHANGELOG.md

@@ -5,6 +5,7 @@
 
 **Added**
 - Added Basic Authentication support [Issue #534](https://github.com/TykTechnologies/tyk-operator/issues/534)
+- Added nodeSelector support [Issue #551](https://github.com/TykTechnologies/tyk-operator/issues/551)
 
 **Fixed**
 - Operator was failing to remove finalizers from ApiDefinition that was already deleted in Dashboard [#469](https://github.com/TykTechnologies/tyk-operator/issues/469)

config/helm/kustomization.yaml

@@ -37,6 +37,8 @@ patchesStrategicMerge:
   - manager_pod_annotations_patch.yaml
   # add ingress inv variables
   - manager_env_vars_patch.yaml
+  # add custom node selector
+  - manager_node_selector_patch.yaml
 
   # [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
   # crd/kustomization.yaml

config/helm/manager_node_selector_patch.yaml

@@ -0,0 +1,10 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: controller-manager
+  namespace: system
+spec:
+  template:
+    spec:
+      nodeSelector:
+        NODE_SELECTOR: NODE_SELECTOR

hack/helm/pre_helm.go

@@ -21,6 +21,7 @@ func main() {
 		{annotation, annotationTPL},
 		{securityContext, securityContextTPL},
 		{imageRBAC, imageRBACTPL},
+		{nodeSelector, nodeSelectorTPL},
 
 		{"OPERATOR_FULLNAME", `{{ include "tyk-operator-helm.fullname" . }}`},
 		{"RELEASE_NAMESPACE", "{{ .Release.Namespace }}"},
@@ -113,3 +114,11 @@ const imageRBAC = `        image: gcr.io/kubebuilder/kube-rbac-proxy:v0.8.0
 const imageRBACTPL = `        image: {{ .Values.rbac.image.repository }}:{{ .Values.rbac.image.tag }}
         imagePullPolicy: {{ .Values.rbac.image.pullPolicy }}
         name: kube-rbac-proxy`
+
+const nodeSelector = `      nodeSelector:
+        NODE_SELECTOR: NODE_SELECTOR`
+
+const nodeSelectorTPL = `{{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
+{{- end }}`

helm/templates/all.yaml

@@ -476,6 +476,10 @@ spec:
 {{- with .Values.rbac.resources }}
         resources:
 {{- toYaml . | nindent 10 }}
+{{- end }}
+{{- if .Values.nodeSelector }}
+      nodeSelector:
+{{ toYaml .Values.nodeSelector | indent 8 }}
 {{- end }}
       securityContext:
         runAsNonRoot: true

helm/values.yaml

@@ -20,6 +20,7 @@ podAnnotations: {}
 podSecurityContext:
   allowPrivilegeEscalation: false
 resources: {}
+nodeSelector: {}
 #specify necessary resources for kube-rbac-proxy container
 rbac:
   resources: {}