Add test for keystone auth

This commit adds an integration test for swift configured with
keystone.

Author: Dan Bode

ext/swift_keystone_test.rb

@@ -0,0 +1,115 @@
+#!/usr/bin/env ruby
+#
+# This is a script that uses
+# instructions here: http://swift.openstack.org/howto_installmultinode.html
+# Even though I expect this script will work with a wide range
+# of swift versions, it is currently only tested with: 1.4.6
+require 'open3'
+require 'fileutils'
+
+# connection variables
+proxy_local_net_ip='127.0.0.1'
+user='openstack:admin'
+password='admin_password'
+
+# headers for curl requests
+user_header="-H 'X-Storage-User: #{user}'"
+password_header="-H 'X-Storage-Pass: #{password}'"
+get_cred_command="curl -k -v #{user_header} #{password_header} http://#{proxy_local_net_ip}:5000/v2.0/"
+
+# verify that we can retrive credentials from our user
+result_hash = {}
+puts "getting credentials: #{get_cred_command}"
+Open3.popen3(get_cred_command) do |stdin, stdout, stderr|
+  result_hash[:stderr] = stderr.read
+  result_hash[:stderr].split("\n").each do |line|
+    if line =~ /^< HTTP\/\d\.\d (\d\d\d)/
+      result_hash[:status_code]=$1
+    end
+    if line =~ /< X-Storage-Url: (http\S+)/
+      result_hash[:auth_url]=$1
+    end
+    if line =~ /< X-Storage-Token: (AUTH_\S+)/
+      result_hash[:auth_token]=$1
+    end
+  end
+end
+raise(Exception, "Call to get auth tokens failed:\n#{result_hash[:stderr]}") unless result_hash[:status_code] == '200'
+
+# verify that the credentials are valid
+auth_token_header="-H 'X-Auth-Token: #{result_hash[:auth_token]}'"
+puts auth_token_header
+get_account_head="curl -k -v #{auth_token_header} #{result_hash[:auth_url]}"
+# what is the expected code?
+puts "verifying connection auth: #{get_account_head}"
+Open3.popen3(get_account_head) do |stdin, stdout, stderr|
+  #puts stdout.read
+  #puts stderr.read
+end
+
+
+swift_command_prefix="swift -A http://#{proxy_local_net_ip}:5000/v2.0/ -V 2 -U #{user} -K #{password}"
+
+swift_test_command="#{swift_command_prefix} stat"
+
+puts "Testing swift: #{swift_test_command}"
+status_hash={}
+Open3.popen3(swift_test_command) do |stdin, stdout, stderr|
+  status_hash[:stdout] = stdout.read
+  status_hash[:stderr] = stderr.read
+  status_hash[:stdout].split("\n").each do |line|
+    if line =~ /\s*Containers:\s+(\d+)/
+      status_hash[:containers] = $1
+    end
+    if line =~ /\s*Objects:\s+(\d+)/
+      status_hash[:objects] = $1
+    end
+  end
+end
+
+unless(status_hash[:containers] =~ /\d+/ and status_hash[:objects] =~ /\d+/)
+  raise(Exception, "Expected to find the number of containers/objects:\n#{status_hash[:stdout]}\n#{status_hash[:stderr]}")
+else
+  puts "found containers/objects: #{status_hash[:containers]}/#{status_hash[:objects]}"
+end
+
+# test that we can upload something
+File.open('/tmp/foo1', 'w') do |fh|
+  fh.write('test1')
+end
+
+container = 'my_container'
+
+swift_upload_command="#{swift_command_prefix} upload #{container} /tmp/foo1"
+puts "Uploading file to swift with command: #{swift_upload_command}"
+
+Open3.popen3(swift_upload_command) do |stdin, stdout, stderr|
+  puts stdout.read
+  puts stderr.read
+end
+
+# test that we can download the thing that we uploaded
+download_test_dir = '/tmp/test/downloadtest/'
+FileUtils.rm_rf download_test_dir
+FileUtils.mkdir_p download_test_dir
+
+swift_download_command="#{swift_command_prefix} download #{container}"
+puts "Downloading file with command: #{swift_download_command}"
+Dir.chdir(download_test_dir) do
+  Open3.popen3(swift_download_command) do |stdin, stdout, stderr|
+    puts stdout.read
+    puts stderr.read
+  end
+end
+
+expected_file = File.join(download_test_dir, 'tmp', 'foo1')
+
+if File.exists?(expected_file)
+  if File.read(expected_file) == 'test1'
+    puts "Dude!!!! It actually seems to work, we can upload and download files!!!!"
+  else
+    raise(Exception, "So close, but the contents of the downloaded file are not what I expected: Got: #{File.read(expected_file)}, expected: test1")
+  end
+else
+  raise(Exception, "file #{expected_file} did not exist somehow, probably b/c swift is not installed correctly")
+end