Class: VagrantPlugins::ProviderLibvirt::Driver
- Inherits:
-
Object
- Object
- VagrantPlugins::ProviderLibvirt::Driver
- Defined in:
- lib/vagrant-libvirt/driver.rb
Constant Summary collapse
- @@connection =
store the connection at the process level
possibly this should be a connection pool using the connection settings as a key to allow per machine connection attributes to be used.
nil
- @@system_connection =
nil
Instance Method Summary collapse
- #connection ⇒ Object
- #created?(mid) ⇒ Boolean
- #get_domain(mid) ⇒ Object
- #get_ipaddress(machine) ⇒ Object
- #get_ipaddress_system(mac) ⇒ Object
-
#initialize(machine) ⇒ Driver
constructor
A new instance of Driver.
- #state(machine) ⇒ Object
- #system_connection ⇒ Object
Constructor Details
#initialize(machine) ⇒ Driver
Returns a new instance of Driver.
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# File 'lib/vagrant-libvirt/driver.rb', line 16 def initialize(machine) @logger = Log4r::Logger.new('vagrant_libvirt::driver') @machine = machine end |
Instance Method Details
#connection ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 21 def connection # If already connected to Libvirt, just use it and don't connect # again. return @@connection if @@connection # Get config options for Libvirt provider. config = @machine.provider_config uri = config.uri conn_attr = {} conn_attr[:provider] = 'libvirt' conn_attr[:libvirt_uri] = uri conn_attr[:libvirt_username] = config.username if config.username conn_attr[:libvirt_password] = config.password if config.password # Setup command for retrieving IP address for newly created machine # with some MAC address. Get it from dnsmasq leases table ip_command = %q( awk "/$mac/ {print \$1}" /proc/net/arp ) conn_attr[:libvirt_ip_command] = ip_command @logger.info("Connecting to Libvirt (#{uri}) ...") begin @@connection = Fog::Compute.new(conn_attr) rescue Fog::Errors::Error => e raise Errors::FogLibvirtConnectionError, error_message: e. end @@connection end |
#created?(mid) ⇒ Boolean
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# File 'lib/vagrant-libvirt/driver.rb', line 78 def created?(mid) domain = get_domain(mid) !domain.nil? end |
#get_domain(mid) ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 63 def get_domain(mid) begin domain = connection.servers.get(mid) rescue Libvirt::RetrieveError => e if e.libvirt_code == ProviderLibvirt::Util::ErrorCodes::VIR_ERR_NO_DOMAIN @logger.debug("machine #{mid} not found #{e}.") return nil else raise e end end domain end |
#get_ipaddress(machine) ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 83 def get_ipaddress(machine) # Find the machine domain = get_domain(machine.id) if @machine.provider_config.qemu_use_session return get_ipaddress_system domain.mac end if domain.nil? # The machine can't be found return nil end # Get IP address from arp table ip_address = nil begin domain.wait_for(2) do addresses.each_pair do |_type, ip| # Multiple leases are separated with a newline, return only # the most recent address ip_address = ip[0].split("\n").first unless ip[0].nil? end !ip_address.nil? end rescue Fog::Errors::TimeoutError @logger.info('Timeout at waiting for an ip address for machine %s' % machine.name) end unless ip_address @logger.info('No arp table entry found for machine %s' % machine.name) return nil end ip_address end |
#get_ipaddress_system(mac) ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 118 def get_ipaddress_system(mac) ip_address = nil system_connection.list_all_networks.each do |net| leases = net.dhcp_leases(mac, 0) # Assume the lease expiring last is the current IP address ip_address = leases.sort_by { |lse| lse["expirytime"] }.last["ipaddr"] if !leases.empty? break if ip_address end return ip_address end |
#state(machine) ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 131 def state(machine) # may be other error states with initial retreival we can't handle begin domain = get_domain(machine.id) rescue Libvirt::RetrieveError => e @logger.debug("Machine #{machine.id} not found #{e}.") return :not_created end # TODO: terminated no longer appears to be a valid fog state, remove? return :not_created if domain.nil? || domain.state.to_sym == :terminated domain.state.tr('-', '_').to_sym end |
#system_connection ⇒ Object
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# File 'lib/vagrant-libvirt/driver.rb', line 52 def system_connection # If already connected to Libvirt, just use it and don't connect # again. return @@system_connection if @@system_connection config = @machine.provider_config @@system_connection = Libvirt::open_read_only(config.system_uri) @@system_connection end |