Check local storage type

Fail the deployment if local sr type is not a file-based SR type

Change-Id: Ia6e289befa2fecda89d8f8ad2e38a62f57b548f0

branding.inc

@@ -2,4 +2,4 @@ HYPERVISOR_NAME=XenServer
 HYPERVISOR_LOWER=xenserver
 PLUGIN_NAME=fuel-plugin-xenserver
 PLUGIN_VERSION=3.90
-PLUGIN_REVISION=5
+PLUGIN_REVISION=6

doc/source/description.rst

@@ -17,6 +17,8 @@ XenServer plugin for Fuel @PLUGIN_VERSION@
   Machines used to run the OpenStack services.  Installation of
   XenServer and configuration of these Virtual Machines must be
   performed manually.
+* File-based storage (EXT / NFS) must be used.  If using local storage
+  then select "Enable thin provisioning" at host installation time
 * Each hypervisor must have the same access credentials as Fuel
   does not support per-node settings.
 * One Virtual Machine, which will be used to run Nova (the compute

plugin_source/deployment_scripts/compute_post_deployment.py

@@ -222,6 +222,15 @@ def check_host_compatibility(himn, username):
                      'and product version is %s') % (hotfix, ver))
 
 
+def check_local_sr(himn, username):
+    sr_type = ssh(himn, username,
+                  ('xe sr-param-get param-name=type uuid=`xe pool-list params=default-SR --minimal`'))
+
+    if sr_type != "ext" and sr_type != "nfs":
+        reportError(('Default SR type should be EXT or NFS.  If using local storage, Please make sure thin'
+                     ' provisioning is enabled on your host during installation.'))
+
+
 def install_xenapi_sdk():
     """Install XenAPI Python SDK"""
     execute('cp', 'XenAPI.py', DIST_PACKAGES_DIR)
@@ -486,6 +495,7 @@ if __name__ == '__main__':
         if username and password and endpoints and himn_local:
             ssh_copy_id(HIMN_IP, username, password)
             check_host_compatibility(HIMN_IP, username)
+            check_local_sr(HIMN_IP, username)
             route_to_compute(endpoints, HIMN_IP, himn_local, username)
             if install_xapi:
                 install_suppack(HIMN_IP, username)