Add example files for running clipperz with uwsgi and nginx

Additionally make changes to enable running clipperz from uwsgi

backend/flask/src/clipperz/views.py

@@ -1,10 +1,11 @@
 """Clipperz views."""
-from flask import session, request, g
+from flask import session, request, g, send_from_directory
 from clipperz import app, db, lm
 from .models import User
 from .api import *  # NOQA
 from .exceptions import InvalidUsage
 from flask.ext.login import login_required
+from os.path import dirname
 
 
 @lm.user_loader
@@ -113,19 +114,25 @@ def dump(frontend_version):
 @app.route('/beta/<path:path>')
 def beta(path):
     """Fallback for serving beta version."""
-    return send_from_directory('beta', path)
+    here = dirname(__file__)
+    file_path = "{0}/../beta/".format(here)
+    return send_from_directory(file_path, path)
 
 
 @app.route('/gamma/<path:path>')
 def gamma(path):
     """Fallback for serving gamma version."""
-    return send_from_directory('gamma', path)
+    here = dirname(__file__)
+    file_path = "{0}/../gamma/".format(here)
+    return send_from_directory(file_path, path)
 
 
 @app.route('/delta/<path:path>')
 def delta(path):
     """Fallback for serving delta version."""
-    return send_from_directory('delta', path)
+    here = dirname(__file__)
+    file_path = "{0}/../delta/".format(here)
+    return send_from_directory(file_path, path)
 
 
 @app.route('/pm', methods=['GET', 'OPTIONS', 'POST'])

backend/flask/src/nginx.conf.example

@@ -0,0 +1,11 @@
+  location /pm {
+    auth_basic            "Restricted";
+    auth_basic_user_file  /etc/nginx/.htpasswd;
+    try_files $uri $uri/ @pm;
+  }
+  location @pm {
+    include         uwsgi_params;
+    uwsgi_param SCRIPT_NAME /pm;
+    uwsgi_modifier1 30;
+    uwsgi_pass      unix:/run/uwsgi/pm.sock;
+  }

backend/flask/src/run.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python
+from clipperz import app, db
+
+
+def main():
+    db.create_all()
+    app.run(debug=True)
+
+if __name__ == "__main__":
+    main()

backend/flask/src/uwsg-emperor.ini.example

@@ -0,0 +1,28 @@
+[uwsgi]
+plugin = python
+socket = /run/uwsgi/%n.sock
+chmod-socket = 660
+master = true
+processes = 1
+uid = clipperz
+gid = clipperz
+umask = 027
+procname-master = uwsgi pm
+
+vacuum = true
+
+die-on-term = true
+
+base = /home/clipperz/password-manager/target/flask/
+module = clipperz
+callable = app
+venv = /home/clipperz/password-manager/target/flask/
+
+#the variable that holds a flask application inside the module imported at line #6
+callable = app
+
+#location of log files
+logto = /var/log/uwsgi/%n.log
+
+env = PYTHON_EGG_CACHE=/var/tmp/clipperz
+env = DATABASE_URL = 'mysql://clipperz:clipperz@localhost/clipperz'