feat!: add mandatory cloudflare tunnel support (#716)

Co-authored-by: Devin Buhl <onedr0p@users.noreply.github.com>

kubernetes/apps/networking/external-dns/app/dnsendpoint-crd.yaml

@@ -0,0 +1,93 @@
+---
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    controller-gen.kubebuilder.io/version: v0.5.0
+    api-approved.kubernetes.io: "https://github.com/kubernetes-sigs/external-dns/pull/2007"
+  creationTimestamp: null
+  name: dnsendpoints.externaldns.k8s.io
+spec:
+  group: externaldns.k8s.io
+  names:
+    kind: DNSEndpoint
+    listKind: DNSEndpointList
+    plural: dnsendpoints
+    singular: dnsendpoint
+  scope: Namespaced
+  versions:
+  - name: v1alpha1
+    schema:
+      openAPIV3Schema:
+        properties:
+          apiVersion:
+            description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+            type: string
+          kind:
+            description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+            type: string
+          metadata:
+            type: object
+          spec:
+            description: DNSEndpointSpec defines the desired state of DNSEndpoint
+            properties:
+              endpoints:
+                items:
+                  description: Endpoint is a high-level way of a connection between a service and an IP
+                  properties:
+                    dnsName:
+                      description: The hostname of the DNS record
+                      type: string
+                    labels:
+                      additionalProperties:
+                        type: string
+                      description: Labels stores labels defined for the Endpoint
+                      type: object
+                    providerSpecific:
+                      description: ProviderSpecific stores provider specific config
+                      items:
+                        description: ProviderSpecificProperty holds the name and value of a configuration which is specific to individual DNS providers
+                        properties:
+                          name:
+                            type: string
+                          value:
+                            type: string
+                        type: object
+                      type: array
+                    recordTTL:
+                      description: TTL for the record
+                      format: int64
+                      type: integer
+                    recordType:
+                      description: RecordType type of record, e.g. CNAME, A, SRV, TXT etc
+                      type: string
+                    setIdentifier:
+                      description: Identifier to distinguish multiple records with the same name and type (e.g. Route53 records with routing policies other than 'simple')
+                      type: string
+                    targets:
+                      description: The targets the DNS record points to
+                      items:
+                        type: string
+                      type: array
+                  type: object
+                type: array
+            type: object
+          status:
+            description: DNSEndpointStatus defines the observed state of DNSEndpoint
+            properties:
+              observedGeneration:
+                description: The generation observed by the external-dns controller.
+                format: int64
+                type: integer
+            type: object
+        type: object
+    served: true
+    storage: true
+    subresources:
+      status: {}
+status:
+  acceptedNames:
+    kind: ""
+    plural: ""
+  conditions: []
+  storedVersions: []

kubernetes/apps/networking/external-dns/app/helmrelease.yaml

@@ -2,7 +2,7 @@
 apiVersion: helm.toolkit.fluxcd.io/v2beta1
 kind: HelmRelease
 metadata:
-  name: external-dns
+  name: &app external-dns
   namespace: networking
 spec:
   interval: 15m
@@ -26,8 +26,7 @@ spec:
   uninstall:
     keepHistory: false
   values:
-    interval: 2m
-    # logLevel: debug
+    fullnameOverride: *app
     provider: cloudflare
     env:
       - name: CF_API_EMAIL
@@ -41,10 +40,12 @@ spec:
             name: external-dns-secret
             key: api-key
     extraArgs:
-      - --cloudflare-proxied
       - --annotation-filter=external-dns.alpha.kubernetes.io/target
+      - --cloudflare-proxied
+      - --crd-source-apiversion=externaldns.k8s.io/v1alpha1
+      - --crd-source-kind=DNSEndpoint
     policy: sync
-    sources: ["ingress"]
+    sources: ["crd", "ingress"]
     txtPrefix: k8s.
     txtOwnerId: default
     domainFilters: ["${SECRET_DOMAIN}"]

kubernetes/apps/networking/external-dns/app/kustomization.yaml

@@ -3,5 +3,6 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 namespace: networking
 resources:
+  - ./dnsendpoint-crd.yaml
   - ./secret.sops.yaml
   - ./helmrelease.yaml