Support SSL for the API

client-api/pvc-api.py

@@ -53,14 +53,21 @@ try:
         'coordinators': o_config['pvc']['coordinators'],
         'listen_address': o_config['pvc']['api']['listen_address'],
         'listen_port': int(o_config['pvc']['api']['listen_port']),
-        'authentication_key': o_config['pvc']['api']['authentication']['key']
+        'authentication_key': o_config['pvc']['api']['authentication']['key'],
+        'secret_key': o_config['pvc']['api']['secret_key'],
+        'ssl_enabled': o_config['pvc']['api']['ssl']['enabled'],
+        'ssl_key_file': o_config['pvc']['api']['ssl']['key_file'],
+        'ssl_cert_file': o_config['pvc']['api']['ssl']['cert_file']
     }
+
     # Set the config object in the pvcapi namespace
     pvcapi.config = config
 except Exception as e:
     print('ERROR: {}.'.format(e))
     exit(1)
 
+api.config["SECRET_KEY"] = config['secret_key']
+
 def authenticator(function):
     def authenticate(*args, **kwargs):
         request_values = flask.request.values
@@ -914,6 +921,11 @@ def api_ceph_volume_snapshot_remove(pool, volume, snapshot):
 #
 # Entrypoint
 #
-http_server = gevent.pywsgi.WSGIServer((config['listen_address'], config['listen_port']), api)
+if config['api_ssl_enabled']:
+    # Run the WSGI server with SSL
+    http_server = gevent.pywsgi.WSGIServer((config['listen_address'], config['listen_port']), api,
+                                       keyfile=config['ssl_key_file'], certfile=config['ssl_cert_file'])
+else:
+    # Run the ?WSGI server without SSL
+    http_server = gevent.pywsgi.WSGIServer((config['listen_address'], config['listen_port']), api)
 http_server.serve_forever()
-

client-api/pvc-api.sample.yaml

@@ -24,3 +24,13 @@ pvc:
             # key: A secure key to authorize against the API; must be sent in the body
             #      arguments or in the URI of each request; leave blank for no authentication
             key: ""
+        # secret_key: Random, per-cluster secret key for the Flask API cookies; generate with uuidgen or pwgen
+        secret_key: ""
+        # ssl: SSL configuration
+        ssl:
+            # Enabled or disable SSL operation
+            enabled: False
+            # cert_file: SSL certificate file
+            cert_file: ""
+            # key_file: SSL certificate key file
+            key_file: ""