Add encrypted configuration backup and planned restore

deploy/docker_helper.py

@@ -143,6 +143,12 @@ class Manager:
    return self.video_status(config)
  def dispatch(self,data):
   if not isinstance(data,dict):raise ValueError('Ungültige Helferanfrage.')
+  if data.get('action')=='backup-export' and set(data)=={'action'}:
+   import docker_backup
+   return docker_backup.export(self)
+  if data.get('action')=='backup-restore' and set(data)=={'action','container'}:
+   import docker_backup
+   return docker_backup.restore(self,data['container'])
   if set(data)=={'action','service'} and data['action'] in ('video-start','video-stop'):
    return self.video_action(data['service'],data['action']=='video-start')
   if set(data)!={'action'}:raise ValueError('Ungültige Helferanfrage.')
@@ -197,8 +203,8 @@ class Handler(socketserver.StreamRequestHandler):
   try:
    _,uid,_=struct.unpack('3i',self.connection.getsockopt(socket.SOL_SOCKET,socket.SO_PEERCRED,12))
    if uid not in (0,self.server.client_uid):raise ValueError('Client nicht erlaubt.')
-   raw=self.rfile.readline(4097)
-   if len(raw)>4096:raise ValueError('Anfrage zu groß.')
+   raw=self.rfile.readline(67108865)
+   if len(raw)>67108864:raise ValueError('Anfrage zu groß.')
    data=json.loads(raw)
    if isinstance(data,dict) and data.get('action')=='video-http':
     self.connection.settimeout(3600);video_http(self.server.manager,data,self.rfile,self.wfile);return