Cloudflared metrics (#13)

hack/dev/ingress-class.yaml

@@ -3,5 +3,7 @@ apiVersion: networking.k8s.io/v1
 kind: IngressClass
 metadata:
  name: cloudflare-tunnel
+ annotations:
+ ingressclass.kubernetes.io/is-default-class: "true"
 spec:
  controller: strrl.dev/cloudflare-tunnel-ingress-controller

helm/cloudflare-tunnel-ingress-controller/templates/controlled-cloudflared-connector-headless-service.yaml

@@ -0,0 +1,17 @@
+# a headless service
+appVersion: v1
+kind: Service
+metadata:
+ name: controlled-cloudflared-connector-headless
+ annotations:
+ prometheus.io/scrape: "true"
+ prometheus.io/port: "44483"
+spec:
+ ports:
+ - name: metrics
+ port: 44483
+ protocol: TCP
+ clusterIP: None
+ selector:
+ "app": "controlled-cloudflared-connector"
+ "strrl.dev/cloudflare-tunnel-ingress-controller": "controlled-cloudflared-connector"

pkg/controller/controlled-cloudflared-connector.go

@@ -2,6 +2,7 @@ package controller
 
 import (
  "context"
+
  cloudflarecontroller "github.com/STRRL/cloudflare-tunnel-ingress-controller/pkg/cloudflare-controller"
  "github.com/pkg/errors"
  appsv1 "k8s.io/api/apps/v1"
@@ -81,6 +82,8 @@ func cloudflaredConnectDeploymentTemplating(token string, namespace string) *app
  "cloudflared",
  "--no-autoupdate",
  "tunnel",
+ "--metrics",
+ "0.0.0.0:44483",
  "run",
  "--token",
  token,

skaffold.yaml

@@ -17,3 +17,4 @@ manifests:
  - hack/dev/ns.yaml
  - hack/dev/cloudflare-api.yaml
  - hack/dev/deployment.yaml
+ - hack/dev/ingress-class.yaml