Switch to using kustomize

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

manifests/_apps/tailscale-operator.yaml

@@ -14,6 +14,9 @@ spec:
     path: manifests/tailscale-operator
     repoURL: "https://git.cluster.fun/AverageMarcus/cluster.fun.git"
     targetRevision: HEAD
+    kustomize:
+      commonLabels:
+        app.kubernetes.io/instance: scaleway
   syncPolicy:
     automated: {}
     syncOptions:

manifests/tailscale-operator/kustomization.yaml

@@ -0,0 +1,12 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+metadata:
+  name: tailscale-operator
+
+commonLabels:
+  app.kubernetes.io/name: tailscale-operator
+  app.kubernetes.io/instance: tailscale-operator
+
+resources:
+- rbac.yaml
+- manifest.yaml

manifests/tailscale-operator/manifest.yaml

@@ -35,6 +35,9 @@ spec:
                 - env:
                     - name: OPERATOR_HOSTNAME
                       value: tailscale-operator
+                      valueFrom:
+                        fieldRef:
+                          fieldPath: metadata.labels['app.kubernetes.io/instance']
                     - name: OPERATOR_SECRET
                       value: operator
                     - name: OPERATOR_LOGGING