[rackspace|queues] adding examples create queue, delete queue, and post message

lib/fog/rackspace/examples/queues/create_queue.rb

@@ -0,0 +1,45 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates creating a queue with the Rackpace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require 'fog'
+
+def get_user_input(prompt)
+  print "#{prompt}: "
+  gets.chomp
+end
+
+# Use username defined in ~/.fog file, if absent prompt for username.
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_username
+  Fog.credentials[:rackspace_username] || get_user_input("Enter Rackspace Username")
+end
+
+# Use api key defined in ~/.fog file, if absent prompt for api key
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_api_key
+  Fog.credentials[:rackspace_api_key] || get_user_input("Enter Rackspace API key")
+end
+
+# create Queue Service
+service = Fog::Rackspace::Queues.new({
+  :rackspace_username   => rackspace_username,
+  :rackspace_api_key    => rackspace_api_key,
+  :rackspace_region => :ord #Use Chicago Region
+})
+
+#prompt for queue name
+queue_name = get_user_input "Enter name for queue"
+
+begin
+  # create queue
+  queue = service.queues.create :name => queue_name
+  puts "Queue #{queue_name} was successfully created"
+
+  puts "To delete the queue please execute the delete_queue.rb script\n\n"
+rescue Fog::Rackspace::Queues::ServiceError => e
+  if e.status_code == 204
+    puts "Queue #{queue_name} already exists"
+  end
+end

lib/fog/rackspace/examples/queues/delete_queue.rb

@@ -0,0 +1,53 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates deleting a queue with the Rackpace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require 'fog'
+
+def get_user_input(prompt)
+  print "#{prompt}: "
+  gets.chomp
+end
+
+def select_queue(queues)
+  abort "\nThere are not any queues to delete in the Chicago region. Try running create_queue.rb\n\n" if queues.empty?
+
+  puts "\nSelect Queue To Delete:\n\n"
+  queues.each_with_index do |queue, i|
+    puts "\t #{i}. #{queue.name}"
+  end
+
+  delete_str = get_user_input "\nEnter Queue Number"
+  queues[delete_str.to_i]
+end
+
+# Use username defined in ~/.fog file, if absent prompt for username.
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_username
+  Fog.credentials[:rackspace_username] || get_user_input("Enter Rackspace Username")
+end
+
+# Use api key defined in ~/.fog file, if absent prompt for api key
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_api_key
+  Fog.credentials[:rackspace_api_key] || get_user_input("Enter Rackspace API key")
+end
+
+# create Queue Service
+service = Fog::Rackspace::Queues.new({
+  :rackspace_username   => rackspace_username,
+  :rackspace_api_key    => rackspace_api_key,
+  :rackspace_region => :ord #Use Chicago Region
+})
+
+# retrieve list of queues
+queues = service.queues
+
+# prompt for queue to delete
+queue = select_queue(queues)
+
+# delete queue
+queue.destroy
+
+puts "\nQueue #{queue.name} has been destroyed\n"

lib/fog/rackspace/examples/queues/post_message.rb

@@ -0,0 +1,59 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates deleting a queue with the Rackpace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require 'fog'
+
+def get_user_input(prompt)
+  print "#{prompt}: "
+  gets.chomp
+end
+
+def select_queue(queues)
+  abort "\nThere are not any queues to post a message to in the Chicago region. Try running create_queue.rb\n\n" if queues.empty?
+
+  puts "\nSelect Queue To Delete:\n\n"
+  queues.each_with_index do |queue, i|
+    puts "\t #{i}. #{queue.name}"
+  end
+
+  delete_str = get_user_input "\nEnter Queue Number"
+  queues[delete_str.to_i]
+end
+
+# Use username defined in ~/.fog file, if absent prompt for username.
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_username
+  Fog.credentials[:rackspace_username] || get_user_input("Enter Rackspace Username")
+end
+
+# Use api key defined in ~/.fog file, if absent prompt for api key
+# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
+def rackspace_api_key
+  Fog.credentials[:rackspace_api_key] || get_user_input("Enter Rackspace API key")
+end
+
+# create Queue Service
+service = Fog::Rackspace::Queues.new({
+  # :rackspace_username   => rackspace_username,
+  # :rackspace_api_key    => rackspace_api_key,
+  :rackspace_region => :ord #Use Chicago Region
+})
+
+# retrieve list of queues
+queues = service.queues
+
+# prompt for queue to delete
+queue = select_queue(queues)
+
+# prompt for queue message
+message = get_user_input "Enter Queue Message"
+
+# time to live TTL = 1 hour
+ttl = 3600
+
+# post message to queue
+queue.messages.create :body => message, :ttl => ttl
+
+puts "The message has been successfully posted"