diff --git a/rhodecode/lib/audit_logger.py b/rhodecode/lib/audit_logger.py
new file mode 100644
--- /dev/null
+++ b/rhodecode/lib/audit_logger.py
@@ -0,0 +1,138 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2017-2017 RhodeCode GmbH
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License, version 3
+# (only), as published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# This program is dual-licensed. If you wish to learn more about the
+# RhodeCode Enterprise Edition, including its added features, Support services,
+# and proprietary license terms, please see https://rhodecode.com/licenses/
+
+import logging
+import datetime
+
+from rhodecode.model import meta
+from rhodecode.model.db import User, UserLog
+
+
+log = logging.getLogger(__name__)
+
+
+ACTIONS = {
+    'repo.add': {},
+    'repo.edit': {},
+}
+
+
+class UserWrap(object):
+    """
+    Fake object used to imitate AuthUser
+    """
+
+    def __init__(self, user_id=None, username=None, ip_addr=None):
+        self.user_id = user_id
+        self.username = username
+        self.ip_addr = ip_addr
+
+
+def _store_log(action_name, action_data, user_id, username, user_data,
+               ip_address, repository_id, repository_name):
+    user_log = UserLog()
+    user_log.version = UserLog.VERSION_2
+
+    user_log.action = action_name
+    user_log.action_data = action_data
+
+    user_log.user_ip = ip_address
+
+    user_log.user_id = user_id
+    user_log.username = username
+    user_log.user_data = user_data
+
+    user_log.repository_id = repository_id
+    user_log.repository_name = repository_name
+
+    user_log.action_date = datetime.datetime.now()
+
+    log.info('AUDIT: Logging action: `%s` by user:id:%s[%s] ip:%s',
+             action_name, user_id, username, ip_address)
+
+    return user_log
+
+
+def store(
+        action, user, action_data=None, user_data=None, ip_addr=None,
+        repo=None, sa_session=None, commit=False):
+    """
+    Audit logger for various actions made by users, typically this results in a call such::
+
+        from rhodecode.lib import audit_logger
+
+        audit_logger.store(action='repo.edit', user=self._rhodecode_user)
+        audit_logger.store(action='repo.delete', user=audit_logger.UserWrap(username='itried-to-login', ip_addr='8.8.8.8'))
+
+        # without an user ?
+        audit_user = audit_logger.UserWrap(
+            username=self.request.params.get('username'),
+            ip_addr=self.request.remote_addr)
+        audit_logger.store(action='user.login.failure', user=audit_user)
+    """
+    from rhodecode.lib.utils2 import safe_unicode
+    from rhodecode.lib.auth import AuthUser
+
+    if action not in ACTIONS:
+        raise ValueError('Action `{}` not in valid actions'.format(action))
+
+    if not sa_session:
+        sa_session = meta.Session()
+
+    try:
+        username = getattr(user, 'username', None)
+        if not username:
+            pass
+
+        user_id = getattr(user, 'user_id', None)
+        if not user_id:
+            # maybe we have username ? Try to figure user_id from username
+            if username:
+                user_id = getattr(
+                    User.get_by_username(username), 'user_id', None)
+
+        ip_addr = ip_addr or getattr(user, 'ip_addr', None)
+        if not ip_addr:
+            pass
+
+        if not user_data:
+            # try to get this from the auth user
+            if isinstance(user, AuthUser):
+                user_data = {}
+
+        repository_id = getattr(repo, 'repo_id', None)
+        repository_name = getattr(repo, 'repo_name', None)
+
+        user_log = _store_log(
+            action_name=safe_unicode(action),
+            action_data=action_data or {},
+            user_id=user_id,
+            username=username,
+            user_data=user_data or {},
+            ip_address=safe_unicode(ip_addr),
+            repository_id=repository_id,
+            repository_name=repository_name
+        )
+        sa_session.add(user_log)
+        if commit:
+            sa_session.commit()
+
+    except Exception:
+        log.exception('AUDIT: failed to store audit log')
diff --git a/rhodecode/model/db.py b/rhodecode/model/db.py
--- a/rhodecode/model/db.py
+++ b/rhodecode/model/db.py
@@ -1098,6 +1098,10 @@ class UserLog(Base, BaseModel):
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8', 'sqlite_autoincrement': True},
     )
+    VERSION_1 = 'v1'
+    VERSION_2 = 'v2'
+    VERSIONS = [VERSION_1, VERSION_2]
+
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255), nullable=True, unique=None, default=None)
@@ -1107,7 +1111,7 @@ class UserLog(Base, BaseModel):
     action = Column("action", Text().with_variant(Text(1200000), 'mysql'), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
-    version = Column("version", String(255), nullable=True, default='v1')
+    version = Column("version", String(255), nullable=True, default=VERSION_1)
     user_data = Column('user_data_json', MutationObj.as_mutable(JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))
     action_data = Column('action_data_json', MutationObj.as_mutable(JsonType(dialect_map=dict(mysql=UnicodeText(16384)))))