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113 lines
3.3 KiB
113 lines
3.3 KiB
# -*- coding: utf-8 -*-
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#
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import os
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import uuid
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from django.core.cache import cache
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from django.views.decorators.csrf import csrf_exempt
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from rest_framework import generics, serializers
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from rest_framework.permissions import AllowAny
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from rest_framework.response import Response
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from rest_framework.views import APIView
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from common.const import KEY_CACHE_RESOURCE_IDS, COUNTRY_CALLING_CODES
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from common.permissions import IsValidUser
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from common.utils import get_logger
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from common.views.http import HttpResponseTemporaryRedirect
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__all__ = [
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'LogTailApi', 'ResourcesIDCacheApi', 'CountryListApi'
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]
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logger = get_logger(__file__)
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class OutputSerializer(serializers.Serializer):
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output = serializers.CharField()
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is_end = serializers.BooleanField()
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mark = serializers.CharField()
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class LogTailApi(generics.RetrieveAPIView):
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permission_classes = (IsValidUser,)
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buff_size = 1024 * 10
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serializer_class = OutputSerializer
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end = False
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mark = ''
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log_path = ''
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def is_file_finish_write(self):
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return True
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def get_log_path(self):
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raise NotImplementedError()
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def get_no_file_message(self, request):
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return 'Not found the log'
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def filter_line(self, line):
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"""
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过滤行，可能替换一些信息
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:param line:
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:return:
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"""
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return line
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def read_from_file(self):
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with open(self.log_path, 'rt', encoding='utf8') as f:
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offset = cache.get(self.mark, 0)
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f.seek(offset)
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data = f.read(self.buff_size).replace('\n', '\r\n')
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new_mark = str(uuid.uuid4())
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cache.set(new_mark, f.tell(), 5)
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if data == '' and self.is_file_finish_write():
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self.end = True
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_data = ''
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for line in data.split('\r\n'):
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new_line = self.filter_line(line)
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if line == '':
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continue
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_data += new_line + '\r\n'
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return _data, self.end, new_mark
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def get(self, request, *args, **kwargs):
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self.mark = request.query_params.get("mark") or str(uuid.uuid4())
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self.log_path = self.get_log_path()
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if not self.log_path or not os.path.isfile(self.log_path):
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msg = self.get_no_file_message(self.request)
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return Response({"data": msg}, status=200)
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data, end, new_mark = self.read_from_file()
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return Response({"data": data, 'end': end, 'mark': new_mark})
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class ResourcesIDCacheApi(APIView):
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permission_classes = (IsValidUser,)
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def post(self, request, *args, **kwargs):
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spm = str(uuid.uuid4())
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resources = request.data.get('resources')
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if resources is not None:
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cache_key = KEY_CACHE_RESOURCE_IDS.format(spm)
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cache.set(cache_key, resources, 300)
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return Response({'spm': spm})
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class CountryListApi(APIView):
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permission_classes = (IsValidUser,)
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def get(self, request, *args, **kwargs):
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return Response(COUNTRY_CALLING_CODES)
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@csrf_exempt
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def redirect_plural_name_api(request, *args, **kwargs):
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resource = kwargs.get("resource", "")
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org_full_path = request.get_full_path()
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full_path = org_full_path.replace(resource, resource + "s", 1)
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logger.debug("Redirect {} => {}".format(org_full_path, full_path))
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return HttpResponseTemporaryRedirect(full_path)
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