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1# -------------------------------------------------------------------------- 

2# 

3# Copyright (c) Microsoft Corporation. All rights reserved. 

4# 

5# The MIT License (MIT) 

6# 

7# Permission is hereby granted, free of charge, to any person obtaining a copy 

8# of this software and associated documentation files (the ""Software""), to 

9# deal in the Software without restriction, including without limitation the 

10# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 

11# sell copies of the Software, and to permit persons to whom the Software is 

12# furnished to do so, subject to the following conditions: 

13# 

14# The above copyright notice and this permission notice shall be included in 

15# all copies or substantial portions of the Software. 

16# 

17# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 

18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 

19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 

20# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 

21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 

22# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 

23# IN THE SOFTWARE. 

24# 

25# -------------------------------------------------------------------------- 

26import asyncio 

27import json 

28import logging 

29import uuid 

30from typing import Union 

31 

32from azure.core.pipeline import PipelineRequest, PipelineResponse 

33from azure.core.pipeline.policies import AsyncHTTPPolicy 

34from azure.core.pipeline.transport import ( 

35 HttpRequest as LegacyHttpRequest, 

36 AsyncHttpResponse as LegacyAsyncHttpResponse, 

37) 

38from azure.core.rest import HttpRequest, AsyncHttpResponse 

39 

40 

41from ._base import _SansIOARMAutoResourceProviderRegistrationPolicy 

42 

43_LOGGER = logging.getLogger(__name__) 

44 

45HTTPRequestType = Union[LegacyHttpRequest, HttpRequest] 

46AsyncHTTPResponseType = Union[LegacyAsyncHttpResponse, AsyncHttpResponse] 

47PipelineResponseType = PipelineResponse[HTTPRequestType, AsyncHTTPResponseType] 

48 

49 

50class AsyncARMAutoResourceProviderRegistrationPolicy( 

51 _SansIOARMAutoResourceProviderRegistrationPolicy, AsyncHTTPPolicy[HTTPRequestType, AsyncHTTPResponseType] 

52): # pylint: disable=name-too-long 

53 """Auto register an ARM resource provider if not done yet.""" 

54 

55 async def send( 

56 self, request: PipelineRequest[HTTPRequestType] 

57 ) -> PipelineResponse[HTTPRequestType, AsyncHTTPResponseType]: 

58 http_request = request.http_request 

59 response = await self.next.send(request) 

60 if response.http_response.status_code == 409: 

61 rp_name = self._check_rp_not_registered_err(response) 

62 if rp_name: 

63 url_prefix = self._extract_subscription_url(http_request.url) 

64 register_rp_status = await self._async_register_rp(request, url_prefix, rp_name) 

65 if not register_rp_status: 

66 return response 

67 # Change the 'x-ms-client-request-id' otherwise the Azure endpoint 

68 # just returns the same 409 payload without looking at the actual query 

69 if "x-ms-client-request-id" in http_request.headers: 

70 http_request.headers["x-ms-client-request-id"] = str(uuid.uuid4()) 

71 response = await self.next.send(request) 

72 return response 

73 

74 async def _async_register_rp( 

75 self, initial_request: PipelineRequest[HTTPRequestType], url_prefix: str, rp_name: str 

76 ) -> bool: 

77 """Synchronously register the RP is paremeter. 

78 

79 Return False if we have a reason to believe this didn't work 

80 

81 :param initial_request: The initial request 

82 :type initial_request: ~azure.core.pipeline.PipelineRequest 

83 :param str url_prefix: The url prefix 

84 :param str rp_name: The resource provider name 

85 :return: Return False if we have a reason to believe this didn't work 

86 :rtype: bool 

87 """ 

88 post_url = "{}providers/{}/register?api-version=2016-02-01".format(url_prefix, rp_name) 

89 get_url = "{}providers/{}?api-version=2016-02-01".format(url_prefix, rp_name) 

90 _LOGGER.warning( 

91 "Resource provider '%s' used by this operation is not registered. We are registering for you.", 

92 rp_name, 

93 ) 

94 post_response = await self.next.send(self._build_next_request(initial_request, "POST", post_url)) 

95 if post_response.http_response.status_code != 200: 

96 _LOGGER.warning("Registration failed. Please register manually.") 

97 return False 

98 

99 while True: 

100 await asyncio.sleep(10) 

101 get_response = await self.next.send(self._build_next_request(initial_request, "GET", get_url)) 

102 rp_info = json.loads(get_response.http_response.text()) 

103 if rp_info["registrationState"] == "Registered": 

104 _LOGGER.warning("Registration succeeded.") 

105 return True