diff --git a/src/oca/ec2/client.rb b/src/oca/ec2/client.rb
index 16b992491b..836c4f9631 100644
--- a/src/oca/ec2/client.rb
+++ b/src/oca/ec2/client.rb
@@ -33,3 +33,33 @@ base=EC2::Base.new(
 pp base.describe_instances
 
 
+
+def upload_request (base, file_name=nil )
+    params =  {"Action" => "UploadImage",
+               "SignatureVersion" => "2",
+               "SignatureMethod" => 'HmacSHA1',
+               "AWSAccessKeyId" => ACCESS_KEY_ID,
+               "Version" => API_VERSION,
+               "Timestamp"=>Time.now.getutc.iso8601}
+
+    #sig = base.get_aws_auth_param(params, SECRET_ACCESS_KEY, SERVER)
+
+    canonical_string =  EC2.canonical_string(params, SERVER)
+    sig = EC2.encode(SECRET_ACCESS_KEY, canonical_string, false)
+    pp sig
+
+    post_fields = Array.new;
+
+    params.each { |k,v|
+        post_fields << Curl::PostField.content(k,v)
+    }
+
+    post_fields << Curl::PostField.content("Signature",sig)
+    post_fields << Curl::PostField.file("file",file_name)
+
+    c = Curl::Easy.new("http://localhost:4567/")
+    c.multipart_form_post = true
+    c.http_post(*post_fields)
+    #pp c.body_str
+end
+