cluster: deploy calico and metrics service
diff --git a/cluster/kube/cluster.jsonnet b/cluster/kube/cluster.jsonnet
index 9209cf1..4eb9eee 100644
--- a/cluster/kube/cluster.jsonnet
+++ b/cluster/kube/cluster.jsonnet
@@ -2,6 +2,8 @@
 
 local kube = import "../../kube/kube.libsonnet";
 local coredns = import "lib/coredns.libsonnet";
+local metrics = import "lib/metrics.libsonnet";
+local calico = import "lib/calico.libsonnet";
 
 local Cluster(fqdn) = {
     local cluster = self,
@@ -40,9 +42,12 @@
         ],
     },
 
+    // Calico network fabric
+    calico: calico.Environment {},
     // CoreDNS for this cluster.
-    dns: coredns.Environment {
-    },
+    dns: coredns.Environment {},
+    // Metrics Server
+    metrics: metrics.Environment {},
 };