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96 lines
3.3 KiB
Ruby
96 lines
3.3 KiB
Ruby
#!/usr/bin/env ruby
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# This example demonstrates creating a server with the Rackpace Open Cloud
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require 'rubygems' #required for Ruby 1.8.x
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require 'fog'
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require 'base64' #required to encode files for personality functionality
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require 'sshkey' #required to generate ssh keys. 'gem install sshkey'
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def get_user_input(prompt)
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print "#{prompt}: "
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gets.chomp
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end
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# Use username defined in ~/.fog file, if absent prompt for username.
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# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
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def rackspace_username
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Fog.credentials[:rackspace_username] || get_user_input("Enter Rackspace Username")
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end
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# Use api key defined in ~/.fog file, if absent prompt for api key
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# For more details on ~/.fog refer to http://fog.io/about/getting_started.html
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def rackspace_api_key
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Fog.credentials[:rackspace_api_key] || get_user_input("Enter Rackspace API key")
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end
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# Generates a ssh key using the SSHKey library. The private key is avaialble via
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# the '.private_key' and the public key is avaialble via '.ssh_public_key'
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def generate_ssh_key
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SSHKey.generate
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end
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# create Next Generation Cloud Server service
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service = Fog::Compute.new({
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:provider => 'rackspace',
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:rackspace_username => rackspace_username,
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:rackspace_api_key => rackspace_api_key,
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:version => :v2, # Use Next Gen Cloud Servers
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:rackspace_region => :ord #Use Chicago Region
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})
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# pick the first flavor
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flavor = service.flavors.first
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# pick the first Ubuntu image we can find
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image = service.images.find {|image| image.name =~ /Ubuntu/}
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# prompt for server name
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server_name = get_user_input "\nEnter Server Name"
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# generate the ssh key
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ssh_key = generate_ssh_key
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# reload flavor in order to retrieve all of its attributes
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flavor.reload
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puts "\nNow creating server '#{server_name}' the following with specifications:\n"
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puts "\t* #{flavor.ram} MB RAM"
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puts "\t* #{flavor.disk} GB"
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puts "\t* #{flavor.vcpus} CPU(s)"
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puts "\t* #{image.name}"
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puts "\n"
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begin
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# bootstrap server
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server = service.servers.bootstrap :name => server_name,
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:flavor_id => flavor.id,
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:image_id => image.id,
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:private_key => ssh_key.private_key,
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:public_key => ssh_key.ssh_public_key
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if server.ready?
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puts "[DONE]\n\n"
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puts "The server has been successfully created.\n"
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puts "Write the following ssh keys to you ~/.ssh directory in order to log in\n\n"
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puts "+++++++++++PRIVATE_KEY (~/.ssh/fog_key)++++++++++++"
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puts ssh_key.private_key
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puts "++++++++++PUBLIC_KEY (~/.ssh/fog_key.pub)++++++++++"
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puts ssh_key.ssh_public_key
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puts "+++++++++++++++++++++++++++++++++++++++++++++++++++i\n\n"
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puts "You can then log into the server using the following command\n"
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puts "ssh #{server.username}@#{server.public_ip_address}\n\n"
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else
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puts "An error occured, please try again"
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end
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rescue Fog::Errors::TimeoutError
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puts "[TIMEOUT]\n\n"
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puts "This server is currently #{server.progress}% into the build process and is taking longer to complete than expected."
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puts "You can continute to monitor the build process through the web console at https://mycloud.rackspace.com/\n\n"
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end
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puts "To delete the server please execute the delete_server.rb script\n\n"
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