def ping(ip_address: str):
if config.system == config.System.windows:
packets_number_option = "-n"
else:
packets_number_option = "-c"
cmd = ["ping", packets_number_option, "1", ip_address]
try:
util.run(cmd)
return True
except YurtException:
return False
def run_vbox(args: List[str], **kwargs):
"""
See yurt.util.run for **kwargs documentation.
"""
executable = get_vboxmanage_executable()
cmd = [executable, "-q"] + args
try:
return run(cmd, **kwargs)
except CommandException as e:
raise VBoxException(e.message)
def _ports_in_use():
ports = set()
if config.system == config.System.windows:
for line in util.run(["netstat", "-qnp", "TCP"]).split("\n"):
cols = line.split()
if len(cols) > 2 and cols[0] == "TCP":
_, port = cols[1].split(":")
ports.add(port)
else:
raise VMException(f"Unsupported platform: {config.system}")
return ports
def run_lxc(args: List[str], **kwargs):
"""
See yurt.util.run for **kwargs documentation.
"""
lxc = get_lxc_executable()
cmd = [lxc] + args
lxc_env = {
"HOME": config.config_dir
}
return run(cmd, env=lxc_env, **kwargs)