DIYサーバーデーモンコントロールパネル

 # -*- coding: utf-8 -*- from django.db import models #   CODE_PAUSE = 1 #   "" CODE_RESUME = 2 #   "" CODE_RESTART = 3 #   "" CODE_REMOTE_OFF = 4 #   "  " COMMANDS = ( (CODE_RESTART, 'Restart'), (CODE_PAUSE, 'Pause'), (CODE_RESUME, 'Resume'), (CODE_REMOTE_OFF, 'Disable remote control'), ) class Command(models.Model): #   STATUS_CREATE = 1 #   "" STATUS_PROCESS = 2 #   " " STATUS_DONE = 3 #   "" STATUS_DECLINE = 4 #   "" STATUS_CHOICES = ( (STATUS_CREATE, 'Created'), (STATUS_PROCESS, 'In progress...'), (STATUS_DONE, 'DONE'), (STATUS_DECLINE, 'Declined'), ) #   created = models.DateTimeField(auto_now_add=True) ip = models.GenericIPAddressField() code = models.IntegerField(choices=COMMANDS) status = models.IntegerField(choices=STATUS_CHOICES, default=STATUS_CREATE) 

 class CommandManager(models.Manager): #    "",        def created(self): return super(CommandManager, self).get_queryset().filter( status=Command.STATUS_CREATE).order_by('created') #    " ",        def processing(self): return super(CommandManager, self).get_queryset().filter( status=Command.STATUS_PROCESS).order_by('created') 

 class Command(models.Model): ....... #    def is_created(self): return self.status == self.STATUS_CREATE def is_processing(self): return self.status == self.STATUS_PROCESS def is_done(self): return self.status == self.STATUS_DONE def is_declined(self): return self.status == self.STATUS_DECLINE #    def __update_command(self, status): self.status = status self.save() def set_process(self): self.__update_command(Command.STATUS_PROCESS) def set_done(self): self.__update_command(Command.STATUS_DONE) def set_decline(self): self.__update_command(Command.STATUS_DECLINE) 

 # -*- coding: utf-8 -*- from django.db import models #   CODE_PAUSE = 1 #   "" CODE_RESUME = 2 #   "" CODE_RESTART = 3 #   "" CODE_REMOTE_OFF = 4 #   "  " COMMANDS = ( (CODE_RESTART, 'Restart'), (CODE_PAUSE, 'Pause'), (CODE_RESUME, 'Resume'), (CODE_REMOTE_OFF, 'Disable remote control'), ) class CommandManager(models.Manager): #    "",        def created(self): return super(CommandManager, self).get_queryset().filter( status=Command.STATUS_CREATE).order_by('created') #    " ",        def processing(self): return super(CommandManager, self).get_queryset().filter( status=Command.STATUS_PROCESS).order_by('created') class Command(models.Model): #   STATUS_CREATE = 1 #   "" STATUS_PROCESS = 2 #   " " STATUS_DONE = 3 #   "" STATUS_DECLINE = 4 #   "" STATUS_CHOICES = ( (STATUS_CREATE, 'Created'), (STATUS_PROCESS, 'In progress...'), (STATUS_DONE, 'DONE'), (STATUS_DECLINE, 'Declined'), ) #   created = models.DateTimeField(auto_now_add=True) ip = models.GenericIPAddressField() code = models.IntegerField(choices=COMMANDS) status = models.IntegerField(choices=STATUS_CHOICES, default=STATUS_CREATE) objects = CommandManager() #    def is_created(self): return self.status == self.STATUS_CREATE def is_processing(self): return self.status == self.STATUS_PROCESS def is_done(self): return self.status == self.STATUS_DONE def is_declined(self): return self.status == self.STATUS_DECLINE #    def set_process(self): self.__update_command(Command.STATUS_PROCESS) def set_done(self): self.__update_command(Command.STATUS_DONE) def set_decline(self): self.__update_command(Command.STATUS_DECLINE) def __update_command(self, status): self.status = status self.save() #   - STATUS_COLORS = { STATUS_CREATE: '000000', STATUS_PROCESS: 'FFBB00', STATUS_DONE: '00BB00', STATUS_DECLINE: 'FF0000', } def colored_status(self): return '<span style="color: #%s;">%s</span>' % (self.STATUS_COLORS[self.status], self.get_status_display()) colored_status.allow_tags = True colored_status.short_description = 'Status' #     REST API def status_dsp(self): return self.get_status_display() def code_dsp(self): return self.get_code_display() 

 # -*- coding: utf-8 -*- from django.contrib import admin from ipware.ip import get_ip from .models import Command @admin.register(Command) class CommandAdmin(admin.ModelAdmin): #       list_display = ('created', 'code', 'colored_status', 'ip') #       list_filter = ('code', 'status', 'ip') #     \  fields = (('code', 'status'), ) #     def save_model(self, request, obj, form, change): if obj.ip is None: #    IP     obj.ip = get_ip(request) obj.save() 

 # -*- coding: utf-8 -*- import django django.setup() from time import sleep from remotecontrol.models import * class IRemoteControl(object): #   IP.   ,    . IP_WHITE_LIST = ['127.0.0.1'] #    CODE_REMOTE_OFF REMOTE_ENABLED = True #      def __get_command(self): commands = Command.objects.processing() if len(commands) == 0: commands = Command.objects.created() if len(commands) == 0: return None command = commands[0] if self.IP_WHITE_LIST and command.ip not in self.IP_WHITE_LIST: print('Wrong IP: %s' % command.ip) elif not self.REMOTE_ENABLED: print('Remote is disabled') else: return command self.__update_command(command.set_decline) #    "" def __restart(self, command): if command.is_created(): self.__update_command(command.set_process) print('... Restarting ...') sleep(5) self.__update_command(command.set_done) print('... Restart complete ...') #       def __update_command(self, method): try: method() except Exception as e: print('Cannot update command. Reason: %s' % e) #     def check_commands(self): pause = False enter = True while enter or pause: enter = False command = self.__get_command() if command is not None: if command.code == CODE_REMOTE_OFF: self.__update_command(command.set_done) print('... !!! WARNING !!! Remote control is DISABLED ...') self.REMOTE_ENABLED = False elif command.code == CODE_RESTART: self.__restart(command) pause = False elif pause: if command.code == CODE_RESUME: self.__update_command(command.set_done) print('... Resuming ...') pause = False else: self.__update_command(command.set_decline) else: if command.code == CODE_PAUSE: self.__update_command(command.set_done) print('... Waiting for resume ...') pause = True elif pause: sleep(1) 

 from rest_framework import serializers from .models import Command class CommandSerializer(serializers.ModelSerializer): class Meta: model = Command fields = ('status', 'code', 'id', 'status_dsp', 'code_dsp', 'ip') 

 from rest_framework.decorators import api_view from rest_framework.response import Response from rest_framework import generics from ipware.ip import get_ip from .models import Command from .serializers import CommandSerializer @api_view(['GET']) def commands_available(request): # API- "   " response = { #    .   CODE_REMOTE_OFF  # ,    " "   . 'commands': dict(Command.COMMAND_CHOICES), #   ,     . 'completed': [Command.STATUS_DONE, Command.STATUS_DECLINE], } return Response(response) class CommandList(generics.CreateAPIView): # API- " " serializer_class = CommandSerializer def post(self, request, *args, **kwargs): #    IP  request.data[u'ip'] = u'' + get_ip(request) return super(CommandList, self).post(request, *args, **kwargs) class CommandDetail(generics.RetrieveAPIView): # API- "  " queryset = Command.objects.all() serializer_class = CommandSerializer 

 from django.conf.urls import url from . import views urlpatterns = [ url(r'^commands_available/$', views.commands_available), url(r'^commands/$', views.CommandList.as_view()), url(r'^commands/(?P<pk>[0-9]+)/$', views.CommandDetail.as_view()), ] 

 # -*- coding: utf-8 -*- import kivy kivy.require('1.9.1') from kivy.network.urlrequest import UrlRequest from kivy.properties import StringProperty, Clock from kivy.uix.button import Button from kivy.app import App from kivy.uix.boxlayout import BoxLayout try: from kivy.garden.xpopup import XError, XProgress except: from xpopup import XError, XProgress from json import dumps import base64 class RemoteControlUI(BoxLayout): """     """ #      login = StringProperty(u'') password = StringProperty(u'') host = StringProperty('') def __init__(self, **kwargs): # ID     self._cmd_id = None #   ""  self._completed = [] #      . #    ""   #    . self._wait_completion = False super(RemoteControlUI, self).__init__( orientation='vertical', spacing=2, padding=3, **kwargs) #     self._pnl_commands = BoxLayout(orientation='vertical') self.add_widget(self._pnl_commands) # =============  http- ============== def _get_auth(self): #     "Authorization" cred = ('%s:%s' % (self.login, self.password)) return 'Basic %s' %\ base64.b64encode(cred.encode('ascii')).decode('ascii') def _send_request(self, url, success=None, error=None, params=None): #    headers = { 'User-Agent': 'Mozilla/5.0', 'Content-type': 'application/json', 'Authorization': self._get_auth() } UrlRequest( url=self.host + url, timeout=30, req_headers=headers, req_body=None if params is None else dumps(params), on_success=success, on_error=error, on_failure=error) # ===========      =========== def _get_commands(self, instance=None): #    API- "commands_available" self._progress_start('Trying to get command list') self._send_request( 'commands_available/', success=self._get_commands_result, error=self._get_commands_error) def _get_commands_result(self, request, response): # callback    try: self._pnl_commands.clear_widgets() #        for code, command in sorted( response['commands'].items(), key=lambda x: int(x[0])): btn = Button( id=code, text=command, on_release=self._btn_command_click) self._pnl_commands.add_widget(btn) self._completed = response['completed'] self._progress_complete('Command list received successfully') except Exception as e: self._get_commands_error(request, str(e)) def _get_commands_error(self, request, error): # callback    self._progress_complete() XError(text=str(error)[:256], buttons=['Retry', 'Exit'], on_dismiss=self._get_commands_error_dismiss) def _get_commands_error_dismiss(self, instance): # callback    if instance.button_pressed == 'Exit': App.get_running_app().stop() elif instance.button_pressed == 'Retry': self._get_commands() # =============   ============= def _btn_command_click(self, instance): #    API- "commands" self._cmd_id = None self._wait_completion = True self._progress_start('Processing command "%s"' % instance.text) self._send_request( 'commands/', params={'code': instance.id}, success=self._send_command_result, error=self._send_command_error) def _send_command_result(self, request, response): # callback    try: if response['status'] not in self._completed: #   -  ID  self._cmd_id = response['id'] #         , #      if self._wait_completion: #      Clock.schedule_once(self._get_status, 1) else: #   self._progress_complete( 'Command "%s" is %s' % (response['code_dsp'], response['status_dsp'])) except Exception as e: XError(text=str(e)[:256]) def _send_command_error(self, request, error): # callback    self._progress_complete() XError(text=str(error)[:256]) # ==========     ========== def _get_status(self, pdt=None): #    API- "commands/<id_>" if not self._cmd_id: return self._send_request( 'commands/%s/' % self._cmd_id, success=self._send_command_result, error=self._send_command_error) # =============       ============== def _progress_start(self, text): self.popup = XProgress( title='RemoteControl', text=text, buttons=['Close'], on_dismiss=self._progress_dismiss) self.popup.autoprogress() def _progress_dismiss(self, instance): self._wait_completion = False def _progress_complete(self, text=''): if self.popup is not None: self.popup.complete(text=text, show_time=0 if text is None else 1) # ========================================= def start(self): self._get_commands() class RemoteControlApp(App): """   """ remote = None def build(self): #    self.remote = RemoteControlUI( login='test', password='qwerty123', host='http://localhost:8000/remotecontrol/') return self.remote def on_start(self): self.remote.start() #   RemoteControlApp().run() 

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