From 49b69191522d91165327db9e2805dd675a317b0f Mon Sep 17 00:00:00 2001
From: drebs <drebs@leap.se>
Date: Tue, 25 Feb 2014 16:10:52 -0300
Subject: Add script for updating design docs.

---
 scripts/update_design_docs.py | 147 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 scripts/update_design_docs.py

diff --git a/scripts/update_design_docs.py b/scripts/update_design_docs.py
new file mode 100644
index 00000000..e7b5a29c
--- /dev/null
+++ b/scripts/update_design_docs.py
@@ -0,0 +1,147 @@
+#!/usr/bin/python
+
+# This script updates Soledad's design documents in the session database and
+# all user databases with contents from the installed leap.soledad.common
+# package.
+
+import json
+import logging
+import argparse
+import re
+import threading
+import binascii
+
+
+from getpass import getpass
+from ConfigParser import ConfigParser
+from couchdb.client import Server
+from couchdb.http import Resource, Session
+from datetime import datetime
+from urlparse import urlparse
+
+
+from leap.soledad.common import ddocs
+
+
+# parse command line for the log file name
+logger_fname = "/tmp/update-design-docs_%s.log" % \
+               str(datetime.now()).replace(' ', '_')
+parser = argparse.ArgumentParser()
+parser.add_argument('--log', action='store', default=logger_fname, type=str,
+                    required=False, help='the name of the log file', nargs=1)
+args = parser.parse_args()
+
+
+# configure the logger
+logger = logging.getLogger(__name__)
+logger.setLevel(logging.DEBUG)
+print "Logging to %s." % args.log
+logging.basicConfig(
+    filename=args.log,
+    format="%(asctime)-15s %(message)s")
+
+
+# configure threads
+max_threads = 20
+semaphore_pool = threading.BoundedSemaphore(value=max_threads)
+threads = []
+
+# get couch url
+cp = ConfigParser()
+cp.read('/etc/leap/soledad-server.conf')
+url = urlparse(cp.get('soledad-server', 'couch_url'))
+
+# get admin password
+netloc = re.sub('^.*@', '', url.netloc)
+url = url._replace(netloc=netloc)
+password = getpass("Admin password for %s: " % url.geturl())
+url = url._replace(netloc='admin:%s@%s' % (password, netloc))
+
+resource = Resource(url.geturl(), Session(retry_delays=[1,2,4,8], timeout=10))
+server = Server(url=resource)
+
+hidden_url = re.sub(
+    'http://(.*):.*@',
+    'http://\\1:xxxxx@',
+    url.geturl())
+
+print """
+==========
+ATTENTION!
+==========
+
+This script will modify Soledad's shared and user databases in:
+
+  %s
+
+This script does not make a backup of the couch db data, so make sure you
+have a copy or you may loose data.
+""" % hidden_url
+confirm = raw_input("Proceed (type uppercase YES)? ")
+
+if confirm != "YES":
+    exit(1)
+
+# convert design doc content
+
+design_docs = {
+    '_design/docs': json.loads(binascii.a2b_base64(ddocs.docs)),
+    '_design/syncs': json.loads(binascii.a2b_base64(ddocs.syncs)),
+    '_design/transactions': json.loads(binascii.a2b_base64(ddocs.transactions)),
+}
+
+#
+# Thread
+#
+
+class DBWorkerThread(threading.Thread):
+
+    def __init__(self, server, dbname, db_idx, db_len, release_fun):
+        threading.Thread.__init__(self)
+        self._dbname = dbname
+        self._cdb = server[self._dbname]
+        self._db_idx = db_idx
+        self._db_len = db_len
+        self._release_fun = release_fun
+
+    def run(self):
+
+        logger.info("(%d/%d) Updating db %s." % (self._db_idx, self._db_len,
+                    self._dbname))
+
+        for doc_id in design_docs:
+            doc = self._cdb[doc_id]
+            for key in ['lists', 'views', 'updates']:
+                if key in design_docs[doc_id]:
+                    doc[key] = design_docs[doc_id][key]
+            self._cdb.save(doc)
+
+        # release the semaphore
+        self._release_fun()
+
+
+db_idx = 0
+db_len = len(server)
+for dbname in server:
+
+    db_idx += 1
+
+    if not (dbname.startswith('user-') or dbname == 'shared') \
+            or dbname == 'user-test-db':
+        logger.info("(%d/%d) Skipping db %s." % (db_idx, db_len, dbname))
+        continue
+
+
+    # get access to couch db
+    cdb = Server(url.geturl())[dbname]
+
+    #---------------------------------------------------------------------
+    # Start DB worker thread
+    #---------------------------------------------------------------------
+    semaphore_pool.acquire()
+    thread = DBWorkerThread(server, dbname, db_idx, db_len, semaphore_pool.release)
+    thread.daemon = True
+    thread.start()
+    threads.append(thread)
+
+map(lambda thread: thread.join(), threads)
-- 
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