[aws|iam] add get_server_certificate request

lib/fog/aws/iam.rb

@@ -31,6 +31,7 @@ module Fog
       request :get_user_policy
       request :get_group
       request :get_group_policy
+      request :get_server_certificate
       request :list_access_keys
       request :list_account_aliases
       request :list_groups
@@ -152,7 +153,7 @@ module Fog
           rescue Excon::Errors::HTTPStatusError => error
             if match = error.message.match(/<Code>(.*)<\/Code>(?:.*<Message>(.*)<\/Message>)?/m)
               case match[1]
-              when 'CertificateNotFound'
+              when 'CertificateNotFound', 'NoSuchEntity'
                 raise Fog::AWS::IAM::NotFound.slurp(error, match[2])
               when 'EntityAlreadyExists'
                 raise Fog::AWS::IAM::EntityAlreadyExists.slurp(error, match[2])

lib/fog/aws/requests/iam/get_server_certificate.rb

@@ -0,0 +1,50 @@
+module Fog
+  module AWS
+    class IAM
+      class Real
+
+        require 'fog/aws/parsers/iam/upload_server_certificate'
+
+        # Gets the specified server certificate.
+        #
+        # ==== Parameters
+        # * server_certificate_name<~String>: The name of the server certificate you want to get.
+        #
+        # ==== Returns
+        # * response<~Excon::Response>:
+        #   * body<~Hash>:
+        #     * 'RequestId'<~String> - Id of the request
+        #
+        # ==== See Also
+        # http://docs.amazonwebservices.com/IAM/latest/APIReference/API_GetServerCertificate.html
+        #
+        def get_server_certificate(server_certificate_name)
+          request({
+            'Action'                => 'GetServerCertificate',
+            'ServerCertificateName' => server_certificate_name,
+            :parser                 => Fog::Parsers::AWS::IAM::UploadServerCertificate.new
+          })
+        end
+
+      end
+
+      class Mock
+        def get_server_certificate(server_certificate_name)
+          raise Fog::AWS::IAM::NotFound unless self.data[:server_certificates].key?(server_certificate_name)
+
+          response = Excon::Response.new
+          response.status = 200
+          response.body = {
+            'Certificate' => self.data[:server_certificates][server_certificate_name],
+            'RequestId' => Fog::AWS::Mock.request_id
+          }
+
+          self.data[:server_certificates]
+
+          response
+        end
+      end
+    end
+  end
+end
+

tests/aws/requests/iam/server_certificate_tests.rb

@@ -19,6 +19,13 @@ Shindo.tests('AWS::IAM | server certificate requests', ['aws']) do
     AWS[:iam].upload_server_certificate(public_key, private_key, @key_name).body
   end
 
+  tests('#get_server_certificate').formats(@upload_format) do
+    tests('raises NotFound').raises(Fog::AWS::IAM::NotFound) do
+      AWS[:iam].get_server_certificate("#{@key_name}fake")
+    end
+    AWS[:iam].get_server_certificate(@key_name).body
+  end
+
   @list_format = { 'Certificates' => [@certificate_format] }
   tests('#list_server_certificates').formats(@list_format) do
     result = AWS[:iam].list_server_certificates.body