From 237aa8dfaf2cef7fcfc4fbb8cc8fecac6ebcbf1c Mon Sep 17 00:00:00 2001
From: Mike Hiretsky <mh@calculate.ru>
Date: Tue, 14 Sep 2010 15:33:55 +0000
Subject: [PATCH] Added new variable cl_kernel_uid.

Variable has value of 8 char of UUID root device.
---
 pym/cl_fill.py | 15 +++++++++++++++
 pym/cl_vars.py |  2 ++
 2 files changed, 17 insertions(+)

diff --git a/pym/cl_fill.py b/pym/cl_fill.py
index 76c6d11..590ac2f 100644
--- a/pym/cl_fill.py
+++ b/pym/cl_fill.py
@@ -885,3 +885,18 @@ class fillVars(glob_attr):
             return "vmware"
         else:
             return "vesa"
+
+    def get_cl_kernel_uid(self):
+        uuidpath = '/dev/disk/by-uuid'
+        if not os.access(uuidpath,os.R_OK):
+            return ""
+        uuidDevs = filter(os.path.islink,map(lambda x: os.path.join(uuidpath,x),
+                                          os.listdir(uuidpath)))
+        mapDevUuid = dict(map(lambda x:(os.path.normpath(os.path.join(uuidpath,
+                                                      os.readlink(x))),
+                                        os.path.basename(x)),
+                          uuidDevs))
+        if self.Get('os_root_dev') in mapDevUuid:
+            return mapDevUuid[self.Get('os_root_dev')][:8]
+        else:
+            return ""
diff --git a/pym/cl_vars.py b/pym/cl_vars.py
index 3859baf..d173659 100644
--- a/pym/cl_vars.py
+++ b/pym/cl_vars.py
@@ -147,6 +147,8 @@ class Data:
     # user email
     ur_mail = {'official':True}
 
+    # kernel uid get by uuid root device
+    cl_kernel_uid = {}
     # variable for calculate-client and calculate-desktop packages
     # ip or domain name of CDS
     cl_remote_host = {'mode':'r', 'official':True}