module SensuPluginsHttp::AwsV4
Public Instance Methods
apply_v4_signature(http, req, options = {})
click to toggle source
Returns a modified request object with AWS v4 signature headers and authentication options (if any)
@param [Net::HTTP] http
The http object used to execute the request. Used to build uri
@param [Net::HTTPGenericRequest] req
The http request. Used to populate headers, path, method, and body
@param [Hash] options Details about how to configure the request @option options [String] :aws_v4_service
AWS service to use in signature. Defaults to 'execute-api'
@option options [String] :aws_v4_region
AWS region to use in signature. Defaults to ENV['AWS_REGION'] or ENV['AWS_DEFAULT_REGION']
# File lib/sensu-plugins-http/aws-v4.rb, line 18 def apply_v4_signature(http, req, options = {}) require 'aws-sdk' fake_seahorse = Struct.new(:endpoint, :body, :headers, :http_method) headers = {} req.each_name { |name| headers[name] = req[name] } protocol = http.use_ssl? ? 'https' : 'http' uri = URI.parse("#{protocol}://#{http.address}:#{http.port}#{req.path}") fake_req = fake_seahorse.new(uri, req.body || '', headers, req.method) credentials = Aws::CredentialProviderChain.new.resolve service = options[:aws_v4_service] || 'execute-api' region = options[:aws_v4_region] || ENV['AWS_REGION'] || ENV['AWS_DEFAULT_REGION'] signer = Aws::Signers::V4.new(credentials, service, region) signed_req = signer.sign(fake_req) signed_req.headers.each { |key, value| req[key] = value } req end