def test_split_command() -> None:
cmd = Docker.split_command(None)
assert isinstance(cmd, list)
assert len(cmd) == 0
cmd = Docker.split_command("")
assert isinstance(cmd, list)
assert len(cmd) == 0
cmd = Docker.split_command("a")
assert isinstance(cmd, list)
assert len(cmd) == 1
assert cmd[0] == "a"
cmd = Docker.split_command("a b")
assert isinstance(cmd, list)
assert len(cmd) == 2
assert cmd[0] == "a"
assert cmd[1] == "b"
cmd = Docker.split_command("a b c")
assert isinstance(cmd, list)
assert len(cmd) == 3
assert cmd[0] == "a"
assert cmd[1] == "b"
assert cmd[2] == "c"
cmd = Docker.split_command("a 'b c'")
assert isinstance(cmd, list)
assert len(cmd) == 2
assert cmd[0] == "a"
assert cmd[1] == "b c"
def create_volatile_container(
self,
service: str,
command: Optional[str] = None,
publish: Optional[List[Union[PortMapping, PortRangeMapping]]] = None,
# used by interfaces
detach: bool = False,
user: Optional[str] = None,
) -> bool:
compose_engine_forced = False
if Configuration.swarm_mode:
# import here to prevent circular imports
from controller.app import Application
if not Configuration.FORCE_COMPOSE_ENGINE:
compose_engine_forced = True
Configuration.FORCE_COMPOSE_ENGINE = True
# init is needed to reload the configuration to force compose engine
Application.get_controller().controller_init()
tty = sys.stdout.isatty()
try:
output = self.docker.compose.run(
service=service,
name=service,
command=Docker.split_command(command),
user=user,
detach=detach,
tty=tty and not detach,
stream=not tty and not detach,
dependencies=False,
remove=True,
service_ports=False,
publish=publish or [],
use_aliases=True,
)
if not detach:
for out_line in output: # type: ignore
# 'stdout' or 'stderr'
# Both out and err are collapsed in stdout
# Maybe in the future would be useful to keep them separated?
# stdstream = out_line[0]
line = out_line[1]
if isinstance(line, bytes):
line = line.decode("UTF-8")
print(line.strip())
if compose_engine_forced:
Configuration.FORCE_COMPOSE_ENGINE = False
# init is needed to reload the configuration to undo compose engine
Application.get_controller().controller_init()
return True
except DockerException as e:
log.critical(e)
return False
