Class: OpenAI::Auth::SubjectTokenProviders::AzureManagedIdentityTokenProvider

Inherits:
Object
  • Object
show all
Includes:
OpenAI::Auth::SubjectTokenProvider
Defined in:
lib/openai/auth/subject_token_providers/azure_managed_identity_token_provider.rb

Constant Summary collapse

IMDS_ENDPOINT = 
"http://169.254.169.254/metadata/identity/oauth2/token"
DEFAULT_RESOURCE = 
"https://management.azure.com/"
DEFAULT_API_VERSION = 
"2018-02-01"
DEFAULT_TIMEOUT = 
10.0

Instance Method Summary collapse

Constructor Details

#initialize(resource: self.class::DEFAULT_RESOURCE, object_id: nil, client_id: nil, msi_res_id: nil, api_version: self.class::DEFAULT_API_VERSION, timeout: self.class::DEFAULT_TIMEOUT) ⇒ AzureManagedIdentityTokenProvider

Returns a new instance of AzureManagedIdentityTokenProvider.



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
 
# File 'lib/openai/auth/subject_token_providers/azure_managed_identity_token_provider.rb', line 14

def initialize(
  resource: self.class::DEFAULT_RESOURCE,
  object_id: nil,
  client_id: nil,
  msi_res_id: nil,
  api_version: self.class::DEFAULT_API_VERSION,
  timeout: self.class::DEFAULT_TIMEOUT
)
  @resource = resource
  @object_id = object_id
  @client_id = client_id
  @msi_res_id = msi_res_id
  @api_version = api_version
  @timeout = timeout
end

Instance Method Details

#get_token ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'lib/openai/auth/subject_token_providers/azure_managed_identity_token_provider.rb', line 34

def get_token
  uri = URI(self.class::IMDS_ENDPOINT)
  params = {
    "api-version" => @api_version,
    "resource" => @resource
  }
  params["object_id"] = @object_id if @object_id
  params["client_id"] = @client_id if @client_id
  params["msi_res_id"] = @msi_res_id if @msi_res_id
  uri.query = URI.encode_www_form(params)

  request = Net::HTTP::Get.new(uri)
  request["Metadata"] = "true"

  response = Net::HTTP.start(
    uri.hostname,
    uri.port,
    use_ssl: uri.scheme == "https",
    open_timeout: @timeout,
    read_timeout: @timeout
  ) do |http|
    http.request(request)
  end

  unless response.is_a?(Net::HTTPSuccess)
    raise OpenAI::Errors::SubjectTokenProviderError.new(
      message: "Azure IMDS returned #{response.code}: #{response.body}",
      provider: "azure-imds"
    )
  end

  data = JSON.parse(response.body, symbolize_names: true)

  case data
  in {access_token: String => token}
    token
  else
    raise OpenAI::Errors::SubjectTokenProviderError.new(
      message: "Azure IMDS response missing access_token field",
      provider: "azure-imds"
    )
  end
rescue OpenAI::Errors::SubjectTokenProviderError
  raise
rescue StandardError => e
  raise OpenAI::Errors::SubjectTokenProviderError.new(
    message: "Failed to fetch token from Azure IMDS: #{e.message}",
    provider: "azure-imds",
    cause: e
  )
end

#token_type ⇒ Object 



30
31
32
 
# File 'lib/openai/auth/subject_token_providers/azure_managed_identity_token_provider.rb', line 30

def token_type
  TokenType::JWT
end