From 4dd32df24959b3f6062f525a3bba5cd592729107 Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Mon, 24 Mar 2014 12:38:44 -0300
Subject: Add script for resetting users database.

---
 scripts/db_access/reset_db.py | 79 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 scripts/db_access/reset_db.py

(limited to 'scripts/db_access')

diff --git a/scripts/db_access/reset_db.py b/scripts/db_access/reset_db.py
new file mode 100644
index 00000000..80871856
--- /dev/null
+++ b/scripts/db_access/reset_db.py
@@ -0,0 +1,79 @@
+#!/usr/bin/python
+
+# This script can be run on server side to completelly reset a user database.
+#
+# WARNING: running this script over a database will delete all documents but
+# the one with id u1db_config (which contains db metadata) and design docs
+# needed for couch backend.
+
+
+import sys
+from ConfigParser import ConfigParser
+import threading
+import logging
+from couchdb import Database as CouchDatabase
+
+
+if len(sys.argv) != 2:
+    print 'Usage: %s <uuid>' % sys.argv[0]
+    exit(1)
+
+uuid = sys.argv[1]
+
+
+# create a logger
+logger = logging.getLogger(__name__)
+LOG_FORMAT = '%(asctime)s %(message)s'
+logging.basicConfig(format=LOG_FORMAT, level=logging.INFO)
+
+
+# get couch url
+cp = ConfigParser()
+cp.read('/etc/leap/soledad-server.conf')
+url = cp.get('soledad-server', 'couch_url')
+
+
+# confirm
+yes = raw_input("Are you sure you want to reset the database for user %s "
+                "(type YES)? " % uuid)
+if yes != 'YES':
+    print 'Bailing out...'
+    exit(2)
+
+
+db = CouchDatabase('%s/user-%s' % (url, uuid))
+
+
+class _DeleterThread(threading.Thread):
+
+    def __init__(self, db, doc_id, release_fun):
+        threading.Thread.__init__(self)
+        self._db = db
+        self._doc_id = doc_id
+        self._release_fun = release_fun
+
+    def run(self):
+        logger.info('[%s] deleting doc...' % self._doc_id)
+        del self._db[self._doc_id]
+        logger.info('[%s] done.' % self._doc_id)
+        self._release_fun()
+
+
+semaphore_pool = threading.BoundedSemaphore(value=20)
+
+
+threads = []
+for doc_id in db:
+    if doc_id != 'u1db_config' and not doc_id.startswith('_design'):
+        semaphore_pool.acquire()
+        logger.info('[main] launching thread for doc: %s' % doc_id)
+        t = _DeleterThread(db, doc_id, semaphore_pool.release)
+        t.start()
+        threads.append(t)
+
+
+logger.info('[main] waiting for threads.')
+map(lambda thread: thread.join(), threads)
+
+
+logger.info('[main] done.')
-- 
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