core: added metadata for control upgrades.

rhodecode/config/middleware.py

@@ -52,7 +52,8 b' from rhodecode.lib.middleware.https_fixu'
 from rhodecode.lib.middleware.vcs import VCSMiddleware
 from rhodecode.lib.plugins.utils import register_rhodecode_plugin
 from rhodecode.lib.utils2 import aslist as rhodecode_aslist
-from rhodecode.subscribers import scan_repositories_if_enabled
+from rhodecode.subscribers import (
+    scan_repositories_if_enabled, write_metadata_if_needed)
 
 
 log = logging.getLogger(__name__)
@@ -296,6 +297,7 b' def includeme(config):'
 
     # Add subscribers.
     config.add_subscriber(scan_repositories_if_enabled, ApplicationCreated)
+    config.add_subscriber(write_metadata_if_needed, ApplicationCreated)
 
     # Set the authorization policy.
     authz_policy = ACLAuthorizationPolicy()

rhodecode/subscribers.py

@@ -18,11 +18,12 b''
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
-
+import datetime
 import logging
 import pylons
 import Queue
 import subprocess32
+import os
 
 from pyramid.i18n import get_localizer
 from pyramid.threadlocal import get_current_request
@@ -134,6 +135,40 b' def scan_repositories_if_enabled(event):'
         repo2db_mapper(repositories, remove_obsolete=False)
 
 
+def write_metadata_if_needed(event):
+    """
+    Writes upgrade metadata
+    """
+    import rhodecode
+    from rhodecode.lib import system_info
+    from rhodecode.lib import ext_json
+
+    def write():
+        fname = '.rcmetadata.json'
+        ini_loc = os.path.dirname(rhodecode.CONFIG.get('__file__'))
+        metadata_destination = os.path.join(ini_loc, fname)
+
+        dbinfo = system_info.SysInfo(system_info.database_info)()['value']
+        del dbinfo['url']
+        metadata = dict(
+            desc='upgrade metadata info',
+            created_on=datetime.datetime.utcnow().isoformat(),
+            usage=system_info.SysInfo(system_info.usage_info)()['value'],
+            platform=system_info.SysInfo(system_info.platform_type)()['value'],
+            database=dbinfo,
+            cpu=system_info.SysInfo(system_info.cpu)()['value'],
+            memory=system_info.SysInfo(system_info.memory)()['value'],
+        )
+
+        with open(metadata_destination, 'wb') as f:
+            f.write(ext_json.json.dumps(metadata))
+
+    try:
+        write()
+    except Exception:
+        pass
+
+
 class Subscriber(object):
     """
     Base class for subscribers to the pyramid event system.