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fog--fog/lib/fog/rackspace/examples/compute_v2/server_attachments.rb

69 lines
2.1 KiB
Ruby

#!/usr/bin/env ruby
# This example demonstrates working with server and volumes on 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_server(servers)
abort "\nThere are not any servers in the Chicago region. Try running create_server.rb\n\n" if servers.empty?
puts "\nSelect Server For Attachment:\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 Server Number"
servers[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 Next Generation Cloud Server service
compute_service = Fog::Compute.new({
:provider => 'rackspace',
:rackspace_username => rackspace_username,
:rackspace_api_key => rackspace_api_key,
:version => :v2, # Use Next Gen Cloud Servers
:rackspace_region => :ord #Use Chicago Region
})
cbs_service = Fog::Rackspace::BlockStorage.new({
:rackspace_username => rackspace_username,
:rackspace_api_key => rackspace_api_key,
:rackspace_region => :ord #Use Chicago Region
})
# retrieve list of servers
servers = compute_service.servers
# prompt user for server
server = select_server(servers)
# prompt for volume name
volume_name = get_user_input "Enter Volume Name"
puts "\nCreating Volume\n"
volume = cbs_service.volumes.create(:size => 100, :display_name => volume_name)
puts "\nAttaching volume\n"
attachment = server.attach_volume volume
puts "\nVolume #{volume.display_name} has been attached to #{server.name} on device #{attachment.device}\n\n"
puts "To detach volume please execute the detach_volume.rb script\n\n"