Class: Chef::Provisioning::FogDriver::Providers::XenServer

Inherits:
Driver
  • Object
show all
Defined in:
lib/chef/provisioning/fog_driver/providers/xenserver.rb

Constant Summary

Constants inherited from Driver

Driver::DEFAULT_OPTIONS, Driver::RETRYABLE_ERRORS, Driver::RETRYABLE_OPTIONS

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Driver

__new__, #allocate_machine, #allocate_machines, canonicalize_url, #compute, #compute_options, #connect_to_machine, #destroy_machine, from_provider, from_url, #image_for, inherited, #initialize, new, #provider, provider_class_for, #ready_machine, register_provider_class, #stop_machine, #transport_for

Constructor Details

This class inherits a constructor from Chef::Provisioning::FogDriver::Driver

Class Method Details

.compute_options_for(provider, id, config) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 27

def self.compute_options_for(provider, id, config)
  new_compute_options = {}
  new_compute_options[:provider] = provider
  new_config = { driver_options: { compute_options: new_compute_options } }
  new_defaults = {
      driver_options: { compute_options: {} },
      machine_options: { bootstrap_options: { affinity: id } }
  }
  result = Cheffish::MergedConfig.new(new_config, config, new_defaults)

  new_compute_options[:xenserver_url] = id if id && id != ''
  credential = Fog.credentials

  new_compute_options[:xenserver_username] ||= credential[:xenserver_username]
  new_compute_options[:xenserver_password] ||= credential[:xenserver_password]
  new_compute_options[:xenserver_url] ||= credential[:xenserver_url]
  new_compute_options[:xenserver_timeout] ||= 300
  new_compute_options[:xenserver_redirect_to_master] ||= true

  id = result[:driver_options][:compute_options][:xenserver_url]

  [result, id]
end

Instance Method Details

#bootstrap_options_for(action_handler, machine_spec, machine_options) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 14

def bootstrap_options_for(action_handler, machine_spec, machine_options)
  bootstrap_options = super
  bootstrap_options[:tags] = bootstrap_options[:tags].map {|k,v| "#{k}: #{v}" }
  bootstrap_options
end

#converge_floating_ips(action_handler, machine_spec, machine_options, server) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 159

def converge_floating_ips(action_handler, machine_spec, machine_options, server)
  # XenServer does not have floating IPs
end

#create_many_servers(num_servers, bootstrap_options, parallelizer) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 74

def create_many_servers(num_servers, bootstrap_options, parallelizer)
  parallelizer.parallelize(1.upto(num_servers)) do |i|
    compute.default_template = bootstrap_options[:template] if bootstrap_options[:template]
    raise 'No server can be created without a template, please set a template name as bootstrap_options' unless compute.default_template
    server = compute.default_template.clone bootstrap_options[:name]

    if bootstrap_options[:affinity]
      host = compute.hosts.all.select { |h| h.address == bootstrap_options[:affinity] }.first
      if !host
        raise "Host with ID #{bootstrap_options[:affinity]} not found."
      end
      server.affinity = host.reference
    end


    unless bootstrap_options[:memory].nil?
      mem = (bootstrap_options[:memory].to_i * 1024 * 1024).to_s
      server.set_attribute 'memory_limits', mem, mem, mem, mem
    end

    unless bootstrap_options[:cpus].nil?
      cpus = (bootstrap_options[:cpus]).to_s
      server.set_attribute 'VCPUs_max', cpus
      server.set_attribute 'VCPUs_at_startup', cpus
    end

    # network configuration through xenstore
    attrs = {}
    unless bootstrap_options[:network].nil?
      network = bootstrap_options[:network]
      net_names = network[:vifs]
      if net_names
        server.vifs.each {|x| x.destroy }
        compute.networks.select { |net| Array(net_names).include? net.name }.each do |net|
          compute.vifs.create vm: server, network: net, device: "0"
        end
      end
      attrs['vm-data/ip'] = network[:vm_ip] if network[:vm_ip]
      attrs['vm-data/gw'] = network[:vm_gateway] if network[:vm_gateway]
      attrs['vm-data/nm'] = network[:vm_netmask] if network[:vm_netmask]
      attrs['vm-data/ns'] = network[:vm_dns] if network[:vm_dns]
      attrs['vm-data/dm'] = network[:vm_domain] if network[:vm_domain]
      if !attrs.empty?
        server.set_attribute 'xenstore_data', attrs
      end
    end

    userdevice = 1
    (bootstrap_options[:additional_disks] || Hash.new).each do |name, data|
      sr_name = data[:sr]
      storage_repository = compute.storage_repositories.find { |sr| sr.name == sr_name }
      raise 'You must specify sr name to add additional disks' unless storage_repository
      raise 'You must specify size to add additional disk' unless data[:size]

      gb   = 1_073_741_824
      size = data[:size].to_i * gb


      vdi_params = { name: name}
      vdi_params[:storage_repository] = storage_repository
      vdi_params[:description] == data[:description] if data[:description]
      vdi_params[:virtual_size] = size.to_s
      vdi = compute.vdis.create vdi_params

      compute.vbds.create vm: server, vdi: vdi, userdevice: userdevice.to_s, bootable: false
      userdevice += 1

    end

    server.provision
    yield server if block_given?
    server
  end.to_a
end

#creator ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 10

def creator
  compute_options[:xenserver_username]
end

#server_for(machine_spec) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 51

def server_for(machine_spec)
  if machine_spec.reference
    compute.servers.get(compute.get_by_uuid(machine_spec.reference['server_id'], 'VM'))
  else
    nil
  end
end

#servers_for(machine_specs) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 59

def servers_for(machine_specs)
  result = {}
  machine_specs.each do |machine_spec|
    if machine_spec.reference
      if machine_spec.reference['driver_url'] != driver_url
        raise "Switching a machine's driver from #{machine_spec.reference['driver_url']} to #{driver_url} for is not currently supported!  Use machine :destroy and then re-create the machine on the new driver."
      end
      result[machine_spec] = compute.servers.get(compute.get_by_uuid(machine_spec.reference['server_id'], 'VM'))
    else
      result[machine_spec] = nil
    end
  end
  result
end

#ssh_options_for(machine_spec, machine_options, server) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 20

def ssh_options_for(machine_spec, machine_options, server)
  { auth_methods: [ 'password' ],
    timeout: (machine_options[:ssh_timeout] || 600),
    password: machine_options[:ssh_password]
  }.merge(machine_options[:ssh_options] || {})
end

#start_server(action_handler, machine_spec, server) ⇒ Object 



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# File 'lib/chef/provisioning/fog_driver/providers/xenserver.rb', line 149

def start_server(action_handler, machine_spec, server)
  if server.state == 'Halted'
    action_handler.perform_action "start machine #{machine_spec.name} (#{server.id} on #{driver_url})" do
      server.start
      machine_spec.reference['started_at'] = Time.now.to_i
    end
    machine_spec.save(action_handler)
  end
end