def autoconnect(self, dry_run=False):
"""Run the network's pre_up scripts and set up the bridge based on the
relevant driver."""
for net in self.networks.all():
network_bridge = net.bridge_name
if network_bridge:
if not net.driver.bridge_exists(network_bridge):
net.driver.create_bridge(network_bridge, dry_run)
else:
network_bridge = net.driver.generate_bridge_name()
self.add_bridge(network_bridge)
env = {
'KRAFT_NETWORK_NAME': net.name,
'KRAFT_NETWORK_DRIVER': net.driver.type.name,
'KRAFT_NETWORK_BRIDGE': network_bridge
}
env_str = []
for var in env:
env_str.append('%s=%s' % (var, env[var]))
for cmd in net.pre_up:
utils.execute(cmd, env, dry_run)
def execute(self,
extra_args=None,
background=False,
paused=False,
dry_run=False):
logger.debug("Executing on KVM...")
self._cmd.extend(('-k', self.unikernel))
if background:
self._cmd.append('-X')
if paused:
self._cmd.append('-P')
if dry_run:
self._cmd.append('-D')
if extra_args:
self._cmd.extend(('-a', ' '.join(extra_args)))
self.automount(dry_run)
self.autoconnect(dry_run)
if self.architecture == "x86_64":
self._cmd.extend(('-t', 'x86pc'))
elif self.architecture == "arm64":
self._cmd.extend(('-t', 'arm64v'))
if platform.machine() != self.architecture:
self._cmd.append('-W')
if self.arguments:
self._cmd.extend(('-a', self.arguments))
cmd = [QEMU_GUEST]
cmd.extend(self._cmd)
for pre_up_cmd in self._pre_up:
utils.execute(pre_up_cmd, dry_run=dry_run)
cmd = list(map(str, cmd))
logger.debug('Running: %s' % ' '.join(cmd))
if not dry_run:
process = subprocess.Popen(cmd)
try:
process.wait()
except KeyboardInterrupt:
try:
process.terminate()
except OSError:
pass
process.wait()
for post_down_cmd in self._post_down:
utils.execute(post_down_cmd, dry_run=dry_run)
def destroy_bridge(self, name=None):
if not self.integrity_ok():
raise NetworkBridgeUnsupported(self.type.name)
if name is None:
name = self.name
if name is not None and len(name) > 0:
utils.execute([BRCTL, "delbr", name])
else:
raise InvalidBridgeName(name)
def execute(self,
extra_args=None,
background=False,
paused=False,
dry_run=False):
logger.debug("Executing on Xen...")
self._cmd.extend(('-k', self.unikernel))
if background:
self._cmd.append('-X')
if paused:
self._cmd.append('-P')
if dry_run:
self._cmd.append('-D')
if extra_args:
self._cmd.extend(('-a', ' '.join(extra_args)))
self.automount(dry_run)
self.autoconnect(dry_run)
if self.arguments:
self._cmd.extend(('-a', self.arguments))
cmd = self.which(XEN_GUEST)
cmd.extend(self._cmd)
for pre_up_cmd in self._pre_up:
utils.execute(pre_up_cmd, dry_run=dry_run)
cmd = list(map(str, cmd))
logger.debug('Running: %s' % ' '.join(cmd))
if not dry_run:
process = subprocess.Popen(cmd)
try:
process.wait()
except KeyboardInterrupt:
try:
process.terminate()
except OSError:
pass
process.wait()
for post_down_cmd in self._post_down:
utils.execute(post_down_cmd, dry_run=dry_run)
def create_bridge(self, name=None, dry_run=False):
if not self.integrity_ok():
raise NetworkBridgeUnsupported(self.type.name)
if name is None:
name = self._name
if self.bridge_exists(name):
logger.warning("Bridge '%s' already exists!" % name)
return True
if name is not None and len(name) > 0:
utils.execute([BRCTL, "addbr", name], dry_run=dry_run)
else:
raise InvalidBridgeName(name)
return True
def execute(self,
extra_args=None,
background=False,
paused=False,
dry_run=False):
logger.debug("Executing on Linux...")
cmd = [self.unikernel]
if self.arguments:
cmd.append(self.arguments)
if extra_args:
cmd.extend(extra_args)
for pre_up_cmd in self._pre_up:
utils.execute(pre_up_cmd, dry_run=dry_run)
cmd = list(map(str, cmd))
logger.debug('Running: %s' % ' '.join(cmd))
if not dry_run:
process = subprocess.Popen(cmd)
try:
process.wait()
except KeyboardInterrupt:
try:
process.terminate()
except OSError:
pass
process.wait()
for post_down_cmd in self._post_down:
utils.execute(post_down_cmd, dry_run=dry_run)
def make(ctx, self, extra=None):
"""Run a make target for this project."""
self.checkout()
cmd = self.gen_make_cmd(extra, ctx.verbose)
utils.execute(cmd)