Add etcd single server installation

Change-Id: I13e47500f0ef0bc0fbb33e8fed56ba606e7f85c1
Related-prod: #PROD-28243 (PROD:28243)
diff --git a/etcd/server/single.yml b/etcd/server/single.yml
new file mode 100644
index 0000000..b36f743
--- /dev/null
+++ b/etcd/server/single.yml
@@ -0,0 +1,17 @@
+classes:
+- service.etcd.server.single
+- service.etcd.support
+- service.etcd.linux
+parameters:
+  etcd:
+    server:
+      enabled: true
+      image: ${_param:docker_image_etcd}
+      source:
+        engine: archive
+      etcd_source: ${_param:kubernetes_etcd_source}
+      etcd_source_hash: ${_param:kubernetes_etcd_source_hash}
+      bind:
+        host: ${_param:single_address}
+      ssl:
+        enabled: true