Add integration test code

This commit adds a test script that can be used to verify
if the glance instance is functional.

ext/glance.rb

@@ -0,0 +1,86 @@
+#!/usr/bin/env ruby
+#
+# test that we can upload and download files
+#
+require 'open3'
+require 'fileutils'
+
+keystone_public = '127.0.0.1'
+image_dir='/tmp/images'
+
+ENV['OS_USERNAME']='admin'
+ENV['OS_TENANT_NAME']='openstack'
+ENV['OS_PASSWORD']='ChangeMe'
+ENV['OS_AUTH_URL']='http://127.0.0.1:5000/v2.0/'
+ENV['OS_REGION_NAME']='RegionOne'
+
+FileUtils.mkdir_p(image_dir)
+Dir.chdir(image_dir) do |dir|
+
+  kernel_id = nil
+  initrd_id = nil
+
+  remote_image_url='http://smoser.brickies.net/ubuntu/ttylinux-uec/ttylinux-uec-amd64-12.1_2.6.35-22_1.tar.gz; tar -zxvf ttylinux-uec-amd64-12.1_2.6.35-22_1.tar.gz'
+
+  wget_command = "wget #{remote_image_url}"
+
+  Open3.popen3(wget_command) do |stdin, stdout, stderr|
+    puts "wget stdout: #{stdout.read}"
+    puts "wget stderr: #{stderr.read}"
+  end
+
+  add_kernel='disk_format=aki container_format=aki < ttylinux-uec-amd64-12.1_2.6.35-22_1-vmlinuz'
+  kernel_name='tty-linux-kernel'
+  kernel_format='aki'
+
+  add_kernel_command="glance add name='#{kernel_name}' disk_format='#{kernel_format}' container_format=#{kernel_format} < ttylinux-uec-amd64-12.1_2.6.35-22_1-vmlinuz"
+
+  Open3.popen3(add_kernel_command) do |stdin, stdout, stderr|
+    stdout = stdout.read.split("\n")
+    stdout.each do |line|
+      if line =~ /Added new image with ID: (\w+)/
+        kernel_id = $1
+      end
+    end
+    puts stderr.read
+    puts stdout
+  end
+
+  raise(Exception, 'Did not add kernel successfully') unless kernel_id
+
+  initrd_id = nil
+  add_initrd_command="glance add name='tty-linux-ramdisk' disk_format=ari container_format=ari < ttylinux-uec-amd64-12.1_2.6.35-22_1-loader"
+
+  Open3.popen3(add_initrd_command) do |stdin, stdout, stderr|
+    stdout = stdout.read.split("\n")
+    stdout.each do |line|
+      if line =~ /Added new image with ID: (\w+)/
+        initrd_id = $1
+      end
+    end
+    puts stderr.read
+    puts stdout
+  end
+
+  raise(Exception, 'Did not add initrd successfully') unless initrd_id
+
+  add_image_command="glance add name='tty-linux' disk_format=ami container_format=ami kernel_id=#{kernel_id} ramdisk_id=#{initrd_id} < ttylinux-uec-amd64-12.1_2.6.35-22_1.img"
+
+  Open3.popen3(add_image_command) do |stdin, stdout, stderr|
+    stdout = stdout.read.split("\n")
+    stdout.each do |line|
+      if line =~ /Added new image with ID: (\w+)/
+        kernel_id = $1
+      end
+    end
+    puts stderr.read
+    puts stdout
+  end
+
+  get_index='glance index'
+
+  Open3.popen3(get_index) do |stdin, stdout, stderr|
+    puts stdout.read
+    puts stderr.read
+  end
+end