def test_parse_int_port(self):
PORT = 5000
RESULT = self.make_port_spec('', '', '5000', 'tcp')
r = parse_port_spec(PORT)
self.assertEqual(r, RESULT)
def create_container(client,
image_id,
command,
environment=None,
volumes=None,
ports=None,
name=None,
stdin_open=False,
tty=False,
detach=True,
log=None):
"""
:return: DockerContainer
"""
log = log if log else default_logger
log_msg = 'create new container: environment: {0} volumes: {1} ' \
'ports: {2}'.format(environment, volumes, ports)
log.debug(log_msg)
if volumes is None:
volumes = []
if environment is None:
environment = {}
if ports is None:
ports = []
cmd = _docker_run_command(image_id, command, environment, volumes, ports,
name, stdin_open, tty, detach)
log.debug('debug docker command: ' + cmd)
volumes_specs = [parse_volume_spec(v) for v in volumes]
binds = convert_volumes_specs_to_binds(volumes_specs)
internal_volumes = [v.container for v in volumes_specs]
ports_specs = [parse_port_spec(p) for p in ports]
port_binds = convert_ports_specs_to_port_binds(ports_specs)
internal_ports = [(p.port, p.protocol) for p in ports_specs]
kwargs = dict(image=image_id,
command=command,
environment=environment,
volumes=internal_volumes,
name=name,
ports=internal_ports,
stdin_open=stdin_open,
tty=tty,
detach=detach)
try:
container = client.create_container(**kwargs)
except docker.errors.APIError as e:
if e.response.status_code == 404 and e.explanation and \
'No such image' in str(e.explanation):
log_msg = 'Container image not exists. Try pulling ... ' \
'(docker pull {0})'.format(image_id)
log.warning(log_msg)
output = client.pull(image_id, stream=True)
stream_output(output, sys.stderr)
container = client.create_container(**kwargs)
else:
raise
id = container['Id']
warnings = container['Warnings']
log.info('new container created: id={0}'.format(id))
if warnings:
log.warning('new container warnings: {0}, id={1}'.format(warnings, id))
options = DockerContainerOptions(binds=binds, ports_binds=port_binds)
return DockerContainer(client, container['Id'], options)
def test_parse_port_spec_with_empty_port_raise_error(self):
PORT = ''
with self.assertRaises(ValueError):
parse_port_spec(PORT)
def test_parse_port_spec_with_host_ip_and_empty_port(self):
PORT = '127.0.0.1::5000'
RESULT = self.make_port_spec('127.0.0.1', '', '5000', 'tcp')
r = parse_port_spec(PORT)
self.assertEqual(r, RESULT)
def test_parse_port_spec_with_host_port_and_ip(self):
PORT = '127.0.0.1:4999:5000'
RESULT = self.make_port_spec('127.0.0.1', '4999', '5000', 'tcp')
r = parse_port_spec(PORT)
self.assertEqual(r, RESULT)
def test_parse_port_spec_with_host_port(self):
PORT = '4999:5000'
RESULT = self.make_port_spec('', '4999', '5000', 'tcp')
r = parse_port_spec(PORT)
self.assertEqual(r, RESULT)
def create_container(client, image_id, command, environment=None,
volumes=None, ports=None, name=None,
stdin_open=False, tty=False, detach=True,
log=None):
"""
:return: DockerContainer
"""
log = log if log else default_logger
log_msg = 'create new container: environment: {0} volumes: {1} ' \
'ports: {2}'.format(environment, volumes, ports)
log.debug(log_msg)
if volumes is None:
volumes = []
if environment is None:
environment = {}
if ports is None:
ports = []
cmd = _docker_run_command(image_id, command, environment, volumes, ports,
name, stdin_open, tty, detach)
log.debug('debug docker command: ' + cmd)
volumes_specs = [parse_volume_spec(v) for v in volumes]
binds = convert_volumes_specs_to_binds(volumes_specs)
internal_volumes = [v.container for v in volumes_specs]
ports_specs = [parse_port_spec(p) for p in ports]
port_binds = convert_ports_specs_to_port_binds(ports_specs)
internal_ports = [(p.port, p.protocol) for p in ports_specs]
kwargs = dict(
image=image_id,
command=command,
environment=environment,
volumes=internal_volumes,
name=name,
ports=internal_ports,
stdin_open=stdin_open, tty=tty, detach=detach
)
try:
container = client.create_container(**kwargs)
except docker.errors.APIError as e:
if e.response.status_code == 404 and e.explanation and \
'No such image' in str(e.explanation):
log_msg = 'Container image not exists. Try pulling ... ' \
'(docker pull {0})'.format(image_id)
log.warning(log_msg)
output = client.pull(image_id, stream=True)
stream_output(output, sys.stderr)
container = client.create_container(**kwargs)
else:
raise
id = container['Id']
warnings = container['Warnings']
log.info('new container created: id={0}'.format(id))
if warnings:
log.warning('new container warnings: {0}, id={1}'.format(warnings, id))
options = DockerContainerOptions(binds=binds, ports_binds=port_binds)
return DockerContainer(client, container['Id'], options)