feat(cloudflare-tunnel): add tunnel

apps/cloudflare-tunnel/base/deployment.yaml

@@ -0,0 +1,38 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: cloudflared
+  name: cloudflared-deployment
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      pod: cloudflared
+  template:
+    metadata:
+      creationTimestamp: null
+      labels:
+        pod: cloudflared
+    spec:
+      containers:
+        - command:
+            - cloudflared
+            - tunnel
+            - --no-autoupdate
+            # In a k8s environment, the metrics server needs to listen outside the pod it runs on.
+            # The address 0.0.0.0:2000 allows any pod in the namespace.
+            - --metrics
+            - 0.0.0.0:2000
+            - run
+          image: cloudflare/cloudflared:latest
+          name: cloudflared
+          livenessProbe:
+            httpGet:
+              # Cloudflared has a /ready endpoint which returns 200 if and only if
+              # it has an active connection to the edge.
+              path: /ready
+              port: 2000
+            failureThreshold: 1
+            initialDelaySeconds: 10
+            periodSeconds: 10

apps/cloudflare-tunnel/base/kustomization.yaml

@@ -0,0 +1,5 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - namespace.yaml
+  - deployment.yaml

apps/cloudflare-tunnel/base/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: network-system