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Contents
# OpenStack Compute (Nova) Example
require 'fog'
auth_url = "https://example.net/v2.0/tokens"
username = 'admin@example.net'
password = 'secret'
tenant = 'My Compute Tenant' # String
compute_client ||= ::Fog::Compute.new(:provider => :openstack,
:openstack_api_key => password ,
:openstack_username => username ,
:openstack_auth_url => auth_url ,
:openstack_tenant => tenant)
# Create VM
# Options include metadata, availability zone, etc...
begin
vm = compute_client.servers.create(name, image, flavor, options = {})
rescue => e
puts JSON.parse(e.response.body)['badRequest']['message']
end
# Destroy VM
vm = compute_client.servers.get(vm.id) # Retrieve previously created vm by UUID
floating_ips = vm.all_addresses # fetch and release its floating IPs
floating_ips.each do |address|
compute_client.disassociate_address(uuid, address['ip'])
compute_client.release_address(address['id'])
end
vm.destroy
# Power operations helper
# vm.start / vm.stop / vm.pause should work after this
class Server < Fog::Compute::Server
def start
if state.downcase == 'paused'
service.unpause_server(id) # resumes from frozen VM state
else
service.resume_server(id) # resumes from hibernation
end
end
def stop
service.suspend_server(id) # hibernates the VM at hypervisor-level
end
def pause
service.pause_server(id) # stores VM state in RAM
end
end
# Images available at tenant
image_names = compute_client.images.map { |image| image['name'] }
# Floating IP address pools available at tenant
compute_client.addresses.get_address_pools
# response.body #=> { 'name' => 'pool1' }, { 'name' => 'pool2' }
# VNC console
vm.console.body # returns VNC url
# "console" => {
# "url" => "http://vmvncserver:6080/vnc_auto.html?token=231",
# "type" => "novnc"
# }
Version data entries
36 entries across 36 versions & 2 rubygems