Use externalTrafficPolicy: Local on the DNS services

Preserves client source IPs so the authoritative/resolver source-IP ACLs
actually apply to external clients (Cluster SNATs them to node IPs).

- externalTrafficPolicy: Local on bind-authoritative/resolvers/externaldns
- bump operator to v0.1.5 (CRD link + image) for the new service field

apps/base/bind-internal/authoritative/cluster.yaml

@@ -18,6 +18,7 @@ spec:
     - "allow-query { auth-acl-main; 10.42.0.0/16; }"
   service:
     type: LoadBalancer
+    externalTrafficPolicy: Local
     annotations:
       purelb.io/service-group: common
       purelb.io/addresses: 198.18.200.6

apps/base/bind-internal/externaldns/cluster.yaml

@@ -14,6 +14,7 @@ spec:
   storageSize: 1Gi
   service:
     type: LoadBalancer
+    externalTrafficPolicy: Local
     annotations:
       purelb.io/service-group: common
       purelb.io/addresses: 198.18.200.8

apps/base/bind-internal/resolvers/cluster.yaml

@@ -13,6 +13,7 @@ spec:
   storageSize: 1Gi
   service:
     type: LoadBalancer
+    externalTrafficPolicy: Local
     annotations:
       purelb.io/service-group: common
       purelb.io/addresses: 198.18.200.7

apps/base/bind-system/deployment.yaml

@@ -21,7 +21,7 @@ spec:
         runAsNonRoot: true
       containers:
         - name: operator
-          image: git.unkin.net/unkin/bind-operator:v0.1.4
+          image: git.unkin.net/unkin/bind-operator:v0.1.5
           args:
             - --metrics-bind-address=:8080
             - --health-probe-bind-address=:8081

apps/base/bind-system/kustomization.yaml

@@ -6,6 +6,6 @@ resources:
   - namespace.yaml
   # CRDs are pulled from the bind-operator repo at the matching tag rather than
   # vendored here, so they never drift from the operator.
-  - https://git.unkin.net/unkin/bind-operator/raw/tag/v0.1.3/config/crd/install.yaml
+  - https://git.unkin.net/unkin/bind-operator/raw/tag/v0.1.5/config/crd/install.yaml
   - rbac.yaml
   - deployment.yaml