Use the same port for hubble-metrics that is used by cilium

Cilium uses port 9965 for hubble-metrics. See
https://docs.cilium.io/en/stable/observability/metrics/#hubble-metrics

Author: kforsthoevel

docs/contributing/ports.md

@@ -5,9 +5,8 @@ so we can avoid port collisions.
 
 See also pkg/wellknownports/wellknownports.go
 
-
 | Port | Description                              |
-|------|------------------------------------------|
+| ---- | ---------------------------------------- |
 | 22   | SSH                                      |
 | 443  | Kubernetes API                           |
 | 179  | Calico                                   |
@@ -31,4 +30,4 @@ See also pkg/wellknownports/wellknownports.go
 | 4789 | VXLAN                                    |
 | 6942 | Cilium operator prometheus port          |
 | 9090 | Cilium prometheus port                   |
-| 9091 | Cilium hubble prometheus port            |
+| 9965 | Cilium hubble prometheus port            |

pkg/wellknownports/wellknownports.go

@@ -71,7 +71,7 @@ const (
 	CiliumPrometheusPort = 9090
 
 	// CiliumHubblePrometheusPort is the default port where Hubble exposes metrics
-	CiliumHubblePrometheusPort = 9091
+	CiliumHubblePrometheusPort = 9965
 
 	// VxlanUDP is the port used by VXLAN tunneling over UDP
 	VxlanUDP = 8472

tests/integration/update_cluster/privatecilium2/data/aws_s3_object_privatecilium.example.com-addons-networking.cilium.io-k8s-1.16_content

@@ -78,7 +78,7 @@ data:
   hubble-disable-tls: "false"
   hubble-listen-address: :4244
   hubble-metrics: drop
-  hubble-metrics-server: :9091
+  hubble-metrics-server: :9965
   hubble-socket-path: /var/run/cilium/hubble.sock
   hubble-tls-cert-file: /var/lib/cilium/tls/hubble/tls.crt
   hubble-tls-client-ca-files: /var/lib/cilium/tls/hubble/ca.crt
@@ -831,8 +831,8 @@ spec:
           hostPort: 4244
           name: peer-service
           protocol: TCP
-        - containerPort: 9091
-          hostPort: 9091
+        - containerPort: 9965
+          hostPort: 9965
           name: hubble-metrics
           protocol: TCP
         readinessProbe:

upup/models/cloudup/resources/addons/networking.cilium.io/k8s-1.16-v1.15.yaml.template

@@ -332,7 +332,7 @@ data:
   hubble-tls-key-file: /var/lib/cilium/tls/hubble/tls.key
   hubble-tls-client-ca-files: /var/lib/cilium/tls/hubble/ca.crt
   {{ if .Hubble.Metrics }}
-  hubble-metrics-server: ":9091"
+  hubble-metrics-server: ":9965"
   hubble-metrics:
   {{- range .Hubble.Metrics }}
     {{ . }}
@@ -1099,8 +1099,8 @@ spec:
           hostPort: 4244
           protocol: TCP
         {{- if .Hubble.Metrics }}
-        - containerPort: 9091
-          hostPort: 9091
+        - containerPort: 9965
+          hostPort: 9965
           name: hubble-metrics
           protocol: TCP
         {{- end }}