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

85 lines
2.3 KiB
Ruby

#!/usr/bin/env ruby
# This example demonstrates working with server metadata on the Rackpace Open Cloud
require 'rubygems' #required for Ruby 1.8.x
require './lib/fog'
# 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
def print_metadata(server)
server.metadata.each do |metadatum|
puts "\t#{metadatum.key}: #{metadatum.value}"
end
puts "\n"
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_region => :ord #Use Chicago Region
})
# Pick the first flavor
flavor = service.flavors.first
# Pick the first Ubuntu image we can find
image = service.images.find {|image| image.name =~ /Ubuntu/}
#create server
server = service.servers.create :name => 'meta-cumulus',
:flavor_id => flavor.id,
:image_id => image.id,
:metadata => { 'color' => 'red'}
puts "Waiting for server to be created\n"
server.wait_for(600, 5) do
print "."
STDOUT.flush
ready?
end
puts "[DONE]\n\n"
puts "Initial Metadata\n"
print_metadata(server)
puts "Adding New Metadata\n"
server.metadata["environment"] = "demo"
print_metadata(server)
puts "Updating Existing Metadata\n"
server.metadata["color"] = "blue"
print_metadata(server)
puts "Saving Metadata Changes\n"
server.metadata.save
puts "Reload Metadata\n"
server.metadata.reload
print_metadata(server)
puts "Delete Metadata"
metadatum = server.metadata.find {|metadataum| metadataum.key == 'environment'}
metadatum.destroy
puts "Reload Metadata"
server.metadata.reload
print_metadata(server)
puts "To delete the server please execute the delete_server.rb script\n\n"