From 091c53d8e43c6333d2ae6d2e45f666d218090165 Mon Sep 17 00:00:00 2001
From: Marcin Kuzminski <marcin@rhodecode.com>
Date: Tue, 15 Nov 2016 00:35:53 +0100
Subject: [PATCH] system-info: added UUID placeholder for generating platform
 unique identifiers.

---
 rhodecode/controllers/admin/settings.py |  3 ++-
 rhodecode/lib/system_info.py            |  8 ++++++--
 rhodecode/lib/utils.py                  | 15 +++++++++++++++
 3 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/rhodecode/controllers/admin/settings.py b/rhodecode/controllers/admin/settings.py
index c8753286..8123c6b6 100644
--- a/rhodecode/controllers/admin/settings.py
+++ b/rhodecode/controllers/admin/settings.py
@@ -589,7 +589,8 @@ class SettingsController(BaseController):
             ('', '', ''),  # spacer
 
             # Platform/Python
-            (_('Platform'), val('platform'), state('platform')),
+            (_('Platform'), val('platform')['name'], state('platform')),
+            (_('Platform UUID'), val('platform')['uuid'], state('platform')),
             (_('Python version'), val('python')['version'], state('python')),
             (_('Python path'), val('python')['executable'], state('python')),
             ('', '', ''),  # spacer
diff --git a/rhodecode/lib/system_info.py b/rhodecode/lib/system_info.py
index c8f7dde7..7b8651aa 100644
--- a/rhodecode/lib/system_info.py
+++ b/rhodecode/lib/system_info.py
@@ -107,8 +107,12 @@ def py_modules():
 
 
 def platform_type():
-    from rhodecode.lib.utils import safe_unicode
-    value = safe_unicode(platform.platform())
+    from rhodecode.lib.utils import safe_unicode, generate_platform_uuid
+
+    value = dict(
+        name=safe_unicode(platform.platform()),
+        uuid=generate_platform_uuid()
+    )
     return SysInfoRes(value=value)
 
 
diff --git a/rhodecode/lib/utils.py b/rhodecode/lib/utils.py
index d61c7868..858ffafc 100644
--- a/rhodecode/lib/utils.py
+++ b/rhodecode/lib/utils.py
@@ -33,6 +33,7 @@ import tempfile
 import traceback
 import tarfile
 import warnings
+import hashlib
 from os.path import join as jn
 
 import paste
@@ -1001,3 +1002,17 @@ def get_registry(request):
         return request.registry
     except AttributeError:
         return get_current_registry()
+
+
+def generate_platform_uuid():
+    """
+    Generates platform UUID based on it's name
+    """
+    import platform
+
+    try:
+        uuid_list = [platform.platform()]
+        return hashlib.sha256(':'.join(uuid_list)).hexdigest()
+    except Exception as e:
+        log.error('Failed to generate host uuid: %s' % e)
+        return 'UNDEFINED'