[rackspace|compute] Adding more cloud server examples

lib/fog/rackspace/examples/create_image.rb

@@ -0,0 +1,64 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates creating a server image with the Rackpace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require './lib/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
+  username = Fog.credentials[:rackspace_username]
+  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
+  api_key = Fog.credentials[:rackspace_api_key]
+  api_key ||= get_user_input "Enter Rackspace API key: "
+end
+
+#create Next Generation Cloud Server service
+service = Fog::Compute.new({
+  :provider             => 'rackspace',
+  :rackspace_username   => rackspace_username,
+  :rackspace_api_key    => rackspace_api_key,
+  :version => :v2,  # Use Next Gen Cloud Servers
+  :rackspace_endpoint => Fog::Compute::RackspaceV2::ORD_ENDPOINT #Use Chicago Region
+})
+
+#retrieve list of servers
+servers = service.servers
+
+abort "\nThere are not any servers avaliable to image. Try running create_server.rb\n\n" if servers.empty?
+
+puts "\nSelect server image:\n\n"
+servers.each_with_index do |server, i|
+  puts "\t #{i}. #{server.name} [#{server.public_ip_address}]"
+end
+
+selected_str = get_user_input "\nEnter number"
+
+selected_id = begin
+  Integer(selected_str)
+rescue
+  abort "Unrecognized input. Exiting without creating image."
+end
+
+server = servers[selected_id]
+image_name = get_user_input "Enter name for image"
+
+#creates image for server
+server.create_image image_name
+  
+puts "\n\nImage #{image_name} is being created for server #{server.name}.\n\n"
+
+puts "To delete the image please execute the delete_image.rb script\n\n"
+
+

lib/fog/rackspace/examples/create_server.rb

@@ -1,7 +1,9 @@
 #!/usr/bin/env ruby
 
+# This example demonstrates creating a server with the Rackpace Open Cloud
+
 require 'rubygems' #required for Ruby 1.8.x
-require 'lib/fog'
+require './lib/fog'
 require "base64" #required to encode files for personality functionality
 
 def get_user_input(prompt)
@@ -62,7 +64,7 @@ puts "\n"
 begin
   # Check every 5 seconds to see if server is in the active state (ready?). 
   # If the server has not been built in 5 minutes (600 seconds) an exception will be raised.
-  server.wait_for(10, 5) do
+  server.wait_for(600, 5) do
     print "."
     STDOUT.flush
     ready?

lib/fog/rackspace/examples/delete_image.rb

@@ -0,0 +1,68 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates deleting a server image with the Rackpace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require './lib/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
+  username = Fog.credentials[:rackspace_username]
+  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
+  api_key = Fog.credentials[:rackspace_api_key]
+  api_key ||= get_user_input "Enter Rackspace API key: "
+end
+
+#create Next Generation Cloud Server service
+service = Fog::Compute.new({
+  :provider             => 'rackspace',
+  :rackspace_username   => rackspace_username,
+  :rackspace_api_key    => rackspace_api_key,
+  :version => :v2,  # Use Next Gen Cloud Servers
+  :rackspace_endpoint => Fog::Compute::RackspaceV2::ORD_ENDPOINT #Use Chicago Region
+})
+
+#retrieve list of images
+images = service.images
+
+# select all of the snapshot type images. base images are not user deletable 
+snapshot_images = images.select do |image|
+  image.metadata["image_type"] == "snapshot" 
+end
+
+abort "\nThere are not any images avaliable to delete. Try running create_image.rb\n\n" if snapshot_images.empty?
+
+puts "\nSelect image to delete:\n\n"
+snapshot_images.each_with_index do |image, i|
+  puts "\t #{i}. #{image.name}"
+end
+
+delete_str = get_user_input "\nEnter number (type 'ALL' to delete all images)"
+abort "Unrecognized input. Exiting without deleting images." unless delete_str =~ /^ALL|\d+$/
+
+confirm = get_user_input "Are you sure? (Y/N)"
+abort "Exiting without deleting images" unless confirm == 'Y'
+
+puts "\n\n"
+
+if delete_str == 'ALL'
+  snapshot_images.each {|image| image.destroy }
+  puts "All images have been destroyed"
+else
+  delete_id = Integer(delete_str)
+  image = snapshot_images[delete_id]
+  image.destroy
+  puts "#{image.name} has been destroyed"
+end
+

lib/fog/rackspace/examples/delete_server.rb

@@ -0,0 +1,63 @@
+#!/usr/bin/env ruby
+
+# This example demonstrates how to delete servers with Fog and the Rackspace Open Cloud
+
+require 'rubygems' #required for Ruby 1.8.x
+require './lib/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
+  username = Fog.credentials[:rackspace_username]
+  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
+  api_key = Fog.credentials[:rackspace_api_key]
+  api_key ||= get_user_input "Enter Rackspace API key: "
+end
+
+#create Next Generation Cloud Server service
+service = Fog::Compute.new({
+  :provider             => 'rackspace',
+  :rackspace_username   => rackspace_username,
+  :rackspace_api_key    => rackspace_api_key,
+  :version => :v2,  # Use Next Gen Cloud Servers
+  :rackspace_endpoint => Fog::Compute::RackspaceV2::ORD_ENDPOINT #Use Chicago Region
+})
+
+#retrieve list of servers
+servers = service.servers
+
+abort "\nThere are not any servers to delete. Try running create_server.rb\n\n" if servers.empty?
+
+puts "\nSelect server delete:\n\n"
+servers.each_with_index do |server, i|
+  puts "\t #{i}. #{server.name} [#{server.public_ip_address}]"
+end
+
+delete_str = get_user_input "\nEnter number (type 'ALL' to delete all servers)"
+abort "Unrecognized input. Exiting without deleting servers." unless delete_str =~ /^ALL|\d+$/
+
+confirm = get_user_input "Are you sure? (Y/N)"
+abort "Exiting without deleting servers" unless confirm == 'Y'
+
+puts "\n\n"
+
+if delete_str == 'ALL'
+  servers.each {|server| server.destroy }
+  puts "All servers have been destroyed"
+else
+  delete_id = Integer(delete_str)
+  server = servers[delete_id]
+  server.destroy
+  puts "#{server.name} has been destroyed"
+end
+