kube: add target:: convenience field to Service

Change-Id: If69116d93b6074136a36d98973e1aa997e2ebbef
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1802
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/kube/postgres_v.libsonnet b/kube/postgres_v.libsonnet
index ce8dc85..1c4357a 100644
--- a/kube/postgres_v.libsonnet
+++ b/kube/postgres_v.libsonnet
@@ -94,7 +94,7 @@
 
     svc: kube.Service(postgres.makeName("postgres")) {
         metadata+: postgres.metadata,
-        target_pod:: postgres.deployment.spec.template,
+        target:: postgres.deployment,
         spec+: {
             ports: [
                 { name: "client", port: 5432, targetPort: 5432, protocol: "TCP" },
@@ -136,7 +136,7 @@
                     "app.kubernetes.io/component": "bouncer",
                 }
             },
-            target_pod:: postgres.bouncer.deployment.spec.template,
+            target:: postgres.bouncer.deployment,
             spec+: {
                 ports: [
                     { name: "client", port: 5432, targetPort: 5432, protocol: "TCP" },