153 lines
4.6 KiB
Ruby
153 lines
4.6 KiB
Ruby
require 'fog/aws/core'
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module Fog
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module AWS
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class DynamoDB < Fog::Service
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extend Fog::AWS::CredentialFetcher::ServiceMethods
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requires :aws_access_key_id, :aws_secret_access_key
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recognizes :aws_session_token, :host, :path, :port, :scheme, :persistent, :region, :use_iam_profile, :aws_credentials_expire_at, :instrumentor, :instrumentor_name
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request_path 'fog/aws/requests/dynamodb'
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request :batch_get_item
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request :batch_write_item
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request :create_table
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request :delete_item
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request :delete_table
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request :describe_table
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request :get_item
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request :list_tables
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request :put_item
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request :query
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request :scan
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request :update_item
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request :update_table
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class Mock
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def self.data
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@data ||= Hash.new do |hash, key|
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hash[key] = {
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:domains => {}
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}
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end
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end
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def self.reset
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@data = nil
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end
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def initialize(options={})
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@use_iam_profile = options[:use_iam_profile]
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setup_credentials(options)
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end
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def data
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self.class.data[@aws_access_key_id]
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end
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def reset_data
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self.class.data.delete(@aws_access_key_id)
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end
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def setup_credentials(options)
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@aws_access_key_id = options[:aws_access_key_id]
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end
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end
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class Real
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include Fog::AWS::CredentialFetcher::ConnectionMethods
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# Initialize connection to DynamoDB
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#
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# ==== Notes
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# options parameter must include values for :aws_access_key_id and
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# :aws_secret_access_key in order to create a connection
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#
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# ==== Examples
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# ddb = DynamoDB.new(
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# :aws_access_key_id => your_aws_access_key_id,
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# :aws_secret_access_key => your_aws_secret_access_key
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# )
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#
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# ==== Parameters
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# * options<~Hash> - config arguments for connection. Defaults to {}.
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#
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# ==== Returns
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# * DynamoDB object with connection to aws
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def initialize(options={})
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@use_iam_profile = options[:use_iam_profile]
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@region = options[:region] || 'us-east-1'
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setup_credentials(options)
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@connection_options = options[:connection_options] || {}
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@instrumentor = options[:instrumentor]
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@instrumentor_name = options[:instrumentor_name] || 'fog.aws.dynamodb'
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@host = options[:host] || "dynamodb.#{@region}.amazonaws.com"
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@path = options[:path] || '/'
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@persistent = options[:persistent] || false
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@port = options[:port] || '443'
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@scheme = options[:scheme] || 'https'
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@connection = Fog::XML::Connection.new("#{@scheme}://#{@host}:#{@port}#{@path}", @persistent, @connection_options)
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end
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private
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def setup_credentials(options)
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@aws_access_key_id = options[:aws_access_key_id]
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@aws_secret_access_key = options[:aws_secret_access_key]
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@aws_session_token = options[:aws_session_token]
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@aws_credentials_expire_at = options[:aws_credentials_expire_at]
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@signer = Fog::AWS::SignatureV4.new(@aws_access_key_id, @aws_secret_access_key, @region, 'dynamodb')
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end
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def reload
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@connection.reset
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end
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def request(params)
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refresh_credentials_if_expired
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# defaults for all dynamodb requests
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params.merge!({
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:expects => 200,
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:method => :post,
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:path => '/'
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})
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# setup headers and sign with signature v4
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date = Fog::Time.now
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params[:headers] = {
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'Content-Type' => 'application/x-amz-json-1.0',
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'Date' => date.to_iso8601_basic,
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'Host' => @host,
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}.merge!(params[:headers])
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params[:headers]['x-amz-security-token'] = @aws_session_token if @aws_session_token
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params[:headers]['Authorization'] = @signer.sign(params, date)
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if @instrumentor
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@instrumentor.instrument("#{@instrumentor_name}.request", params) do
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_request(params)
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end
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else
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_request(params)
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end
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end
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def _request(params)
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response = @connection.request(params)
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unless response.body.empty?
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response.body = Fog::JSON.decode(response.body)
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end
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response
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end
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end
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end
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end
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end
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