feat: Add nodeSelector support and k8s dhcpdd configuration example

Author: pojntfx

charts/dhcpdd/templates/stack.yaml

@@ -25,6 +25,10 @@ spec:
     spec:
       hostNetwork: true
       dnsPolicy: ClusterFirstWithHostNet
+      {{ if .Values.resources.nodeSelector }}
+      nodeSelector:
+        {{ toYaml .Values.resources.nodeSelector }}
+      {{ end }}
       containers:
         - name: dhcpdd{{ if .Values.meta.dev }}-dev{{ end }}
           image: {{ .Values.meta.image }}

charts/dhcpdd/values.yaml

@@ -8,6 +8,7 @@ meta:
   debug: "{{ .DIBS_DEBUG }}"
 
 resources:
+  nodeSelector: {}
   memory: "128Mi"
   cpu: "256m"
   maxReplicas: 10

examples/dhcpd-in-k8s.yaml

@@ -0,0 +1,13 @@
+# Run this on the k8s node you want to test dhcpdd on first (or use a physical network interface):
+# ip tuntap add tap0 mode tap
+# ip addr add dev tap0 10.0.0/24
+# ip link set tap0 up
+
+dhcpd:
+  device: tap0
+  subnets:
+    - netmask: 255.255.255.0
+      network: 10.0.0.0
+      range:
+        start: 10.0.0.1
+        end: 10.0.0.254