Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/azure/mgmt/core/policies/_base.py: 31%

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

4# 

5# The MIT License (MIT) 

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

26import json 

27import logging 

28import re 

29import time 

30import uuid 

31 

32from azure.core.pipeline import PipelineContext, PipelineRequest 

33from azure.core.pipeline.policies import HTTPPolicy 

34from azure.core.pipeline.transport import HttpRequest 

35 

36 

37_LOGGER = logging.getLogger(__name__) 

38 

39 

40class ARMAutoResourceProviderRegistrationPolicy(HTTPPolicy): 

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

42 

43 def send(self, request): 

44 # type: (PipelineRequest[HTTPRequestType], Any) -> PipelineResponse[HTTPRequestType, HTTPResponseType] 

45 http_request = request.http_request 

46 response = self.next.send(request) 

47 if response.http_response.status_code == 409: 

48 rp_name = self._check_rp_not_registered_err(response) 

49 if rp_name: 

50 url_prefix = self._extract_subscription_url(http_request.url) 

51 if not self._register_rp(request, url_prefix, rp_name): 

52 return response 

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

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

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

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

57 response = self.next.send(request) 

58 return response 

59 

60 @staticmethod 

61 def _check_rp_not_registered_err(response): 

62 try: 

63 response = json.loads(response.http_response.text()) 

64 if response["error"]["code"] == "MissingSubscriptionRegistration": 

65 match = re.match(r".*'(.*)'", response["error"]["message"]) 

66 return match.group(1) 

67 except Exception: # pylint: disable=broad-except 

68 pass 

69 return None 

70 

71 @staticmethod 

72 def _extract_subscription_url(url): 

73 """Extract the first part of the URL, just after subscription: 

74 https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/ 

75 """ 

76 match = re.match(r".*/subscriptions/[a-f0-9-]+/", url, re.IGNORECASE) 

77 if not match: 

78 raise ValueError("Unable to extract subscription ID from URL") 

79 return match.group(0) 

80 

81 @staticmethod 

82 def _build_next_request(initial_request, method, url): 

83 request = HttpRequest(method, url) 

84 context = PipelineContext(initial_request.context.transport, **initial_request.context.options) 

85 return PipelineRequest(request, context) 

86 

87 def _register_rp(self, initial_request, url_prefix, rp_name): 

88 """Synchronously register the RP is paremeter. 

89 

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

91 """ 

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

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

94 _LOGGER.warning( 

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

96 rp_name, 

97 ) 

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

99 if post_response.http_response.status_code != 200: 

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

101 return False 

102 

103 while True: 

104 time.sleep(10) 

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

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

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

108 _LOGGER.warning("Registration succeeded.") 

109 return True