mirror of https://github.com/docker/compose.git
Merge pull request #2364 from dnephin/handle_signals_properly
Handle SIGTERM/SIGINT properly for up and run
This commit is contained in:
commit
c4096525c2
|
@ -368,7 +368,6 @@ class TopLevelCommand(DocoptCommand):
|
|||
allocates a TTY.
|
||||
"""
|
||||
service = project.get_service(options['SERVICE'])
|
||||
|
||||
detach = options['-d']
|
||||
|
||||
if IS_WINDOWS_PLATFORM and not detach:
|
||||
|
@ -380,22 +379,6 @@ class TopLevelCommand(DocoptCommand):
|
|||
if options['--allow-insecure-ssl']:
|
||||
log.warn(INSECURE_SSL_WARNING)
|
||||
|
||||
if not options['--no-deps']:
|
||||
deps = service.get_linked_service_names()
|
||||
|
||||
if len(deps) > 0:
|
||||
project.up(
|
||||
service_names=deps,
|
||||
start_deps=True,
|
||||
strategy=ConvergenceStrategy.never,
|
||||
)
|
||||
elif project.use_networking:
|
||||
project.ensure_network_exists()
|
||||
|
||||
tty = True
|
||||
if detach or options['-T'] or not sys.stdin.isatty():
|
||||
tty = False
|
||||
|
||||
if options['COMMAND']:
|
||||
command = [options['COMMAND']] + options['ARGS']
|
||||
else:
|
||||
|
@ -403,7 +386,7 @@ class TopLevelCommand(DocoptCommand):
|
|||
|
||||
container_options = {
|
||||
'command': command,
|
||||
'tty': tty,
|
||||
'tty': not (detach or options['-T'] or not sys.stdin.isatty()),
|
||||
'stdin_open': not detach,
|
||||
'detach': detach,
|
||||
}
|
||||
|
@ -435,31 +418,7 @@ class TopLevelCommand(DocoptCommand):
|
|||
if options['--name']:
|
||||
container_options['name'] = options['--name']
|
||||
|
||||
try:
|
||||
container = service.create_container(
|
||||
quiet=True,
|
||||
one_off=True,
|
||||
**container_options
|
||||
)
|
||||
except APIError as e:
|
||||
legacy.check_for_legacy_containers(
|
||||
project.client,
|
||||
project.name,
|
||||
[service.name],
|
||||
allow_one_off=False,
|
||||
)
|
||||
|
||||
raise e
|
||||
|
||||
if detach:
|
||||
container.start()
|
||||
print(container.name)
|
||||
else:
|
||||
dockerpty.start(project.client, container.id, interactive=not options['-T'])
|
||||
exit_code = container.wait()
|
||||
if options['--rm']:
|
||||
project.client.remove_container(container.id)
|
||||
sys.exit(exit_code)
|
||||
run_one_off_container(container_options, project, service, options)
|
||||
|
||||
def scale(self, project, options):
|
||||
"""
|
||||
|
@ -647,6 +606,58 @@ def convergence_strategy_from_opts(options):
|
|||
return ConvergenceStrategy.changed
|
||||
|
||||
|
||||
def run_one_off_container(container_options, project, service, options):
|
||||
if not options['--no-deps']:
|
||||
deps = service.get_linked_service_names()
|
||||
if deps:
|
||||
project.up(
|
||||
service_names=deps,
|
||||
start_deps=True,
|
||||
strategy=ConvergenceStrategy.never)
|
||||
|
||||
if project.use_networking:
|
||||
project.ensure_network_exists()
|
||||
|
||||
try:
|
||||
container = service.create_container(
|
||||
quiet=True,
|
||||
one_off=True,
|
||||
**container_options)
|
||||
except APIError:
|
||||
legacy.check_for_legacy_containers(
|
||||
project.client,
|
||||
project.name,
|
||||
[service.name],
|
||||
allow_one_off=False)
|
||||
raise
|
||||
|
||||
if options['-d']:
|
||||
container.start()
|
||||
print(container.name)
|
||||
return
|
||||
|
||||
def remove_container(force=False):
|
||||
if options['--rm']:
|
||||
project.client.remove_container(container.id, force=True)
|
||||
|
||||
def force_shutdown(signal, frame):
|
||||
project.client.kill(container.id)
|
||||
remove_container(force=True)
|
||||
sys.exit(2)
|
||||
|
||||
def shutdown(signal, frame):
|
||||
set_signal_handler(force_shutdown)
|
||||
project.client.stop(container.id)
|
||||
remove_container()
|
||||
sys.exit(1)
|
||||
|
||||
set_signal_handler(shutdown)
|
||||
dockerpty.start(project.client, container.id, interactive=not options['-T'])
|
||||
exit_code = container.wait()
|
||||
remove_container()
|
||||
sys.exit(exit_code)
|
||||
|
||||
|
||||
def build_log_printer(containers, service_names, monochrome):
|
||||
if service_names:
|
||||
containers = [
|
||||
|
@ -657,18 +668,25 @@ def build_log_printer(containers, service_names, monochrome):
|
|||
|
||||
|
||||
def attach_to_logs(project, log_printer, service_names, timeout):
|
||||
print("Attaching to", list_containers(log_printer.containers))
|
||||
try:
|
||||
log_printer.run()
|
||||
finally:
|
||||
def handler(signal, frame):
|
||||
project.kill(service_names=service_names)
|
||||
sys.exit(0)
|
||||
signal.signal(signal.SIGINT, handler)
|
||||
|
||||
def force_shutdown(signal, frame):
|
||||
project.kill(service_names=service_names)
|
||||
sys.exit(2)
|
||||
|
||||
def shutdown(signal, frame):
|
||||
set_signal_handler(force_shutdown)
|
||||
print("Gracefully stopping... (press Ctrl+C again to force)")
|
||||
project.stop(service_names=service_names, timeout=timeout)
|
||||
|
||||
print("Attaching to", list_containers(log_printer.containers))
|
||||
set_signal_handler(shutdown)
|
||||
log_printer.run()
|
||||
|
||||
|
||||
def set_signal_handler(handler):
|
||||
signal.signal(signal.SIGINT, handler)
|
||||
signal.signal(signal.SIGTERM, handler)
|
||||
|
||||
|
||||
def list_containers(containers):
|
||||
return ", ".join(c.name for c in containers)
|
||||
|
|
|
@ -2,10 +2,14 @@ from __future__ import absolute_import
|
|||
|
||||
import os
|
||||
import shlex
|
||||
import signal
|
||||
import subprocess
|
||||
import time
|
||||
from collections import namedtuple
|
||||
from operator import attrgetter
|
||||
|
||||
from docker import errors
|
||||
|
||||
from .. import mock
|
||||
from compose.cli.command import get_project
|
||||
from compose.cli.docker_client import docker_client
|
||||
|
@ -20,6 +24,64 @@ BUILD_CACHE_TEXT = 'Using cache'
|
|||
BUILD_PULL_TEXT = 'Status: Image is up to date for busybox:latest'
|
||||
|
||||
|
||||
def start_process(base_dir, options):
|
||||
proc = subprocess.Popen(
|
||||
['docker-compose'] + options,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE,
|
||||
cwd=base_dir)
|
||||
print("Running process: %s" % proc.pid)
|
||||
return proc
|
||||
|
||||
|
||||
def wait_on_process(proc, returncode=0):
|
||||
stdout, stderr = proc.communicate()
|
||||
if proc.returncode != returncode:
|
||||
print(stderr)
|
||||
assert proc.returncode == returncode
|
||||
return ProcessResult(stdout.decode('utf-8'), stderr.decode('utf-8'))
|
||||
|
||||
|
||||
def wait_on_condition(condition, delay=0.1, timeout=5):
|
||||
start_time = time.time()
|
||||
while not condition():
|
||||
if time.time() - start_time > timeout:
|
||||
raise AssertionError("Timeout: %s" % condition)
|
||||
time.sleep(delay)
|
||||
|
||||
|
||||
class ContainerCountCondition(object):
|
||||
|
||||
def __init__(self, project, expected):
|
||||
self.project = project
|
||||
self.expected = expected
|
||||
|
||||
def __call__(self):
|
||||
return len(self.project.containers()) == self.expected
|
||||
|
||||
def __str__(self):
|
||||
return "waiting for counter count == %s" % self.expected
|
||||
|
||||
|
||||
class ContainerStateCondition(object):
|
||||
|
||||
def __init__(self, client, name, running):
|
||||
self.client = client
|
||||
self.name = name
|
||||
self.running = running
|
||||
|
||||
# State.Running == true
|
||||
def __call__(self):
|
||||
try:
|
||||
container = self.client.inspect_container(self.name)
|
||||
return container['State']['Running'] == self.running
|
||||
except errors.APIError:
|
||||
return False
|
||||
|
||||
def __str__(self):
|
||||
return "waiting for container to have state %s" % self.expected
|
||||
|
||||
|
||||
class CLITestCase(DockerClientTestCase):
|
||||
|
||||
def setUp(self):
|
||||
|
@ -42,17 +104,8 @@ class CLITestCase(DockerClientTestCase):
|
|||
|
||||
def dispatch(self, options, project_options=None, returncode=0):
|
||||
project_options = project_options or []
|
||||
proc = subprocess.Popen(
|
||||
['docker-compose'] + project_options + options,
|
||||
stdout=subprocess.PIPE,
|
||||
stderr=subprocess.PIPE,
|
||||
cwd=self.base_dir)
|
||||
print("Running process: %s" % proc.pid)
|
||||
stdout, stderr = proc.communicate()
|
||||
if proc.returncode != returncode:
|
||||
print(stderr)
|
||||
assert proc.returncode == returncode
|
||||
return ProcessResult(stdout.decode('utf-8'), stderr.decode('utf-8'))
|
||||
proc = start_process(self.base_dir, project_options + options)
|
||||
return wait_on_process(proc, returncode=returncode)
|
||||
|
||||
def test_help(self):
|
||||
old_base_dir = self.base_dir
|
||||
|
@ -291,7 +344,7 @@ class CLITestCase(DockerClientTestCase):
|
|||
returncode=1)
|
||||
|
||||
def test_up_with_timeout(self):
|
||||
self.dispatch(['up', '-d', '-t', '1'], None)
|
||||
self.dispatch(['up', '-d', '-t', '1'])
|
||||
service = self.project.get_service('simple')
|
||||
another = self.project.get_service('another')
|
||||
self.assertEqual(len(service.containers()), 1)
|
||||
|
@ -303,6 +356,20 @@ class CLITestCase(DockerClientTestCase):
|
|||
self.assertFalse(config['AttachStdout'])
|
||||
self.assertFalse(config['AttachStdin'])
|
||||
|
||||
def test_up_handles_sigint(self):
|
||||
proc = start_process(self.base_dir, ['up', '-t', '2'])
|
||||
wait_on_condition(ContainerCountCondition(self.project, 2))
|
||||
|
||||
os.kill(proc.pid, signal.SIGINT)
|
||||
wait_on_condition(ContainerCountCondition(self.project, 0))
|
||||
|
||||
def test_up_handles_sigterm(self):
|
||||
proc = start_process(self.base_dir, ['up', '-t', '2'])
|
||||
wait_on_condition(ContainerCountCondition(self.project, 2))
|
||||
|
||||
os.kill(proc.pid, signal.SIGTERM)
|
||||
wait_on_condition(ContainerCountCondition(self.project, 0))
|
||||
|
||||
def test_run_service_without_links(self):
|
||||
self.base_dir = 'tests/fixtures/links-composefile'
|
||||
self.dispatch(['run', 'console', '/bin/true'])
|
||||
|
@ -508,6 +575,32 @@ class CLITestCase(DockerClientTestCase):
|
|||
self.assertEqual(len(networks), 1)
|
||||
self.assertEqual(container.human_readable_command, u'true')
|
||||
|
||||
def test_run_handles_sigint(self):
|
||||
proc = start_process(self.base_dir, ['run', '-T', 'simple', 'top'])
|
||||
wait_on_condition(ContainerStateCondition(
|
||||
self.project.client,
|
||||
'simplecomposefile_simple_run_1',
|
||||
running=True))
|
||||
|
||||
os.kill(proc.pid, signal.SIGINT)
|
||||
wait_on_condition(ContainerStateCondition(
|
||||
self.project.client,
|
||||
'simplecomposefile_simple_run_1',
|
||||
running=False))
|
||||
|
||||
def test_run_handles_sigterm(self):
|
||||
proc = start_process(self.base_dir, ['run', '-T', 'simple', 'top'])
|
||||
wait_on_condition(ContainerStateCondition(
|
||||
self.project.client,
|
||||
'simplecomposefile_simple_run_1',
|
||||
running=True))
|
||||
|
||||
os.kill(proc.pid, signal.SIGTERM)
|
||||
wait_on_condition(ContainerStateCondition(
|
||||
self.project.client,
|
||||
'simplecomposefile_simple_run_1',
|
||||
running=False))
|
||||
|
||||
def test_rm(self):
|
||||
service = self.project.get_service('simple')
|
||||
service.create_container()
|
||||
|
|
|
@ -57,11 +57,11 @@ class CLIMainTestCase(unittest.TestCase):
|
|||
with mock.patch('compose.cli.main.signal', autospec=True) as mock_signal:
|
||||
attach_to_logs(project, log_printer, service_names, timeout)
|
||||
|
||||
mock_signal.signal.assert_called_once_with(mock_signal.SIGINT, mock.ANY)
|
||||
assert mock_signal.signal.mock_calls == [
|
||||
mock.call(mock_signal.SIGINT, mock.ANY),
|
||||
mock.call(mock_signal.SIGTERM, mock.ANY),
|
||||
]
|
||||
log_printer.run.assert_called_once_with()
|
||||
project.stop.assert_called_once_with(
|
||||
service_names=service_names,
|
||||
timeout=timeout)
|
||||
|
||||
|
||||
class SetupConsoleHandlerTestCase(unittest.TestCase):
|
||||
|
|
Loading…
Reference in New Issue