Initial manila support

This patch adds the following:

 * Apache manila sites
 * mysql database
 * horizon plugin
 * keystone endpoints/users
 * manila system cluster/single
 * nginx proxy site
 * haproxy proxy site

Related-Prod: PROD-18003

Change-Id: I8892e7ad32d1d1d8adb487a94f669593aab15977
diff --git a/manila/share/backend/lvm.yml b/manila/share/backend/lvm.yml
new file mode 100644
index 0000000..488de4d
--- /dev/null
+++ b/manila/share/backend/lvm.yml
@@ -0,0 +1,20 @@
+parameters:
+  linux:
+    storage:
+      lvm:
+        manila-vg:
+          enabled: true
+          name: manila-volume
+          devices: ${_param:manila_lvm_devices}
+  manila:
+    share:
+      enabled_share_backends:
+        lvm:
+          name: lvm
+          type: lvm
+          enabled: true
+          lvm_share_export_ips:
+            - "${_param:single_address}"
+          dhss: false
+          share_driver: manila.share.drivers.lvm.LVMShareDriver
+          lvm_share_volume_group: manila-volume