custome sshable

lib/fog/google/models/compute/server.rb

@@ -66,6 +66,14 @@ module Fog
           sleep(1)
           retry
         end
+
+        def sshable?(options={})
+          service.set_metadata(self.instance, self.zone, {'sshKeys' => self.public_key })
+          ready? && !public_ip_address.nil? && public_key && metadata['sshKeys']
+        rescue SystemCallError, Net::SSH::AuthenticationFailed, Timeout::Error
+          false
+        end
+
       end
     end
   end

tests/google/models/compute/server_tests.rb

@@ -8,6 +8,7 @@ Shindo.tests("Fog::Compute[:google] | server model", ['google']) do
     end
 
     test('#sshable?') do
+      @instance.wait_for { sshable? }
       @instance.sshable?
     end