This will expose metrics port when PrometheusMetricsEnabled set to true

upup/models/cloudup/resources/addons/networking.projectcalico.org/k8s-1.16.yaml.template

@@ -3631,6 +3631,11 @@ spec:
         - containerPort: 5473
           name: calico-typha
           protocol: TCP
+        {{- if .Networking.Calico.TyphaPrometheusMetricsEnabled }}
+        - containerPort: {{- or .Networking.Calico.TyphaPrometheusMetricsPort "9091" }}
+          name: metrics
+          protocol: TCP
+        {{- end }}
         envFrom:
         - configMapRef:
             # Allow KUBERNETES_SERVICE_HOST and KUBERNETES_SERVICE_PORT to be overridden for eBPF mode.
@@ -3965,6 +3970,12 @@ spec:
               - -felix-ready
               - -bird-ready
             periodSeconds: 10
+          {{- if .Networking.Calico.PrometheusMetricsEnabled }}
+          ports:
+          - containerPort: {{- or .Networking.Calico.PrometheusMetricsPort "9091" }}
+            name: metrics
+            protocol: TCP
+          {{- end }}
           volumeMounts:
             - mountPath: /lib/modules
               name: lib-modules