def __init__(self,
ip_forwarding_enabled,
proto_id,
ip_aliases,
target_instance_ips,
dhclient_script,
dhcp_command,
network_setup_enabled,
debug=False):
"""Constructor.
Args:
ip_forwarding_enabled: bool, True if ip forwarding is enabled.
proto_id: string, the routing protocol identifier for Google IP changes.
ip_aliases: bool, True if the guest should configure IP alias routes.
target_instance_ips: bool, True supports internal IP load balancing.
dhclient_script: string, the path to a dhclient script used by dhclient.
dhcp_command: string, a command to enable Ethernet interfaces.
network_setup_enabled: bool, True if network setup is enabled.
debug: bool, True if debug output should write to the console.
"""
facility = logging.handlers.SysLogHandler.LOG_DAEMON
self.logger = logger.Logger(name='google-networking',
debug=debug,
facility=facility)
self.ip_aliases = ip_aliases
self.ip_forwarding_enabled = ip_forwarding_enabled
self.network_setup_enabled = network_setup_enabled
self.target_instance_ips = target_instance_ips
self.dhclient_script = dhclient_script
self.ip_forwarding = ip_forwarding.IpForwarding(proto_id=proto_id,
debug=debug)
self.network_setup = network_setup.NetworkSetup(
dhclient_script=dhclient_script,
dhcp_command=dhcp_command,
debug=debug)
self.network_utils = network_utils.NetworkUtils(logger=self.logger)
self.watcher = metadata_watcher.MetadataWatcher(logger=self.logger)
self.distro_utils = distro_utils.Utils(debug=debug)
try:
with file_utils.LockFile(LOCKFILE):
self.logger.info('Starting Google Networking daemon.')
timeout = 60 + random.randint(0, 30)
self.watcher.WatchMetadata(
self.HandleNetworkInterfaces,
metadata_key=self.instance_metadata_key,
recursive=True,
timeout=timeout)
except (IOError, OSError) as e:
self.logger.warning(str(e))
def __init__(self, dhclient_script=None, dhcp_command=None, debug=False):
"""Constructor.
Args:
dhclient_script: string, the path to a dhclient script used by dhclient.
dhcp_command: string, a command to enable Ethernet interfaces.
debug: bool, True if debug output should write to the console.
"""
self.dhclient_script = dhclient_script or '/sbin/google-dhclient-script'
self.dhcp_command = dhcp_command
facility = logging.handlers.SysLogHandler.LOG_DAEMON
self.logger = logger.Logger(
name='network-setup', debug=debug, facility=facility)
self.distro_utils = distro_utils.Utils(debug=debug)
def __init__(self, debug=False):
"""Constructor.
Args:
debug: bool, True if debug output should write to the console.
"""
facility = logging.handlers.SysLogHandler.LOG_DAEMON
self.logger = logger.Logger(
name='google-clock-skew', debug=debug, facility=facility)
self.distro_utils = distro_utils.Utils(debug=debug)
self.watcher = metadata_watcher.MetadataWatcher(logger=self.logger)
try:
with file_utils.LockFile(LOCKFILE):
self.logger.info('Starting Google Clock Skew daemon.')
self.watcher.WatchMetadata(
self.HandleClockSync, metadata_key=self.drift_token,
recursive=False)
except (IOError, OSError) as e:
self.logger.warning(str(e))
def __new__(self, logger, proto_id=None): return distro_utils.Utils().IpForwardingUtils(logger, proto_id)