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api_service_test.py
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import random
import time
import docker
import pytest
from ..helpers import (
force_leave_swarm, requires_api_version, requires_experimental
)
from .base import BaseAPIIntegrationTest, TEST_IMG
class ServiceTest(BaseAPIIntegrationTest):
@classmethod
def setup_class(cls):
client = cls.get_client_instance()
force_leave_swarm(client)
cls._init_swarm(client)
@classmethod
def teardown_class(cls):
client = cls.get_client_instance()
force_leave_swarm(client)
def tearDown(self):
for service in self.client.services(filters={'name': 'dockerpytest_'}):
try:
self.client.remove_service(service['ID'])
except docker.errors.APIError:
pass
super().tearDown()
def get_service_name(self):
return f'dockerpytest_{random.getrandbits(64):x}'
def get_service_container(self, service_name, attempts=20, interval=0.5,
include_stopped=False):
# There is some delay between the service's creation and the creation
# of the service's containers. This method deals with the uncertainty
# when trying to retrieve the container associated with a service.
while True:
containers = self.client.containers(
filters={'name': [service_name]}, quiet=True,
all=include_stopped
)
if len(containers) > 0:
return containers[0]
attempts -= 1
if attempts <= 0:
return None
time.sleep(interval)
def create_simple_service(self, name=None, labels=None):
if name:
name = f'dockerpytest_{name}'
else:
name = self.get_service_name()
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
return name, self.client.create_service(
task_tmpl, name=name, labels=labels
)
@requires_api_version('1.24')
def test_list_services(self):
services = self.client.services()
assert isinstance(services, list)
test_services = self.client.services(filters={'name': 'dockerpytest_'})
assert len(test_services) == 0
self.create_simple_service()
test_services = self.client.services(filters={'name': 'dockerpytest_'})
assert len(test_services) == 1
assert 'dockerpytest_' in test_services[0]['Spec']['Name']
@requires_api_version('1.24')
def test_list_services_filter_by_label(self):
test_services = self.client.services(filters={'label': 'test_label'})
assert len(test_services) == 0
self.create_simple_service(labels={'test_label': 'testing'})
test_services = self.client.services(filters={'label': 'test_label'})
assert len(test_services) == 1
assert test_services[0]['Spec']['Labels']['test_label'] == 'testing'
@requires_api_version('1.41')
def test_list_services_with_status(self):
test_services = self.client.services()
assert len(test_services) == 0
self.create_simple_service()
test_services = self.client.services(
filters={'name': 'dockerpytest_'}, status=False
)
assert 'ServiceStatus' not in test_services[0]
test_services = self.client.services(
filters={'name': 'dockerpytest_'}, status=True
)
assert 'ServiceStatus' in test_services[0]
def test_inspect_service_by_id(self):
svc_name, svc_id = self.create_simple_service()
svc_info = self.client.inspect_service(svc_id)
assert 'ID' in svc_info
assert svc_info['ID'] == svc_id['ID']
def test_inspect_service_by_name(self):
svc_name, svc_id = self.create_simple_service()
svc_info = self.client.inspect_service(svc_name)
assert 'ID' in svc_info
assert svc_info['ID'] == svc_id['ID']
@requires_api_version('1.29')
def test_inspect_service_insert_defaults(self):
svc_name, svc_id = self.create_simple_service()
svc_info = self.client.inspect_service(svc_id)
svc_info_defaults = self.client.inspect_service(
svc_id, insert_defaults=True
)
assert svc_info != svc_info_defaults
assert 'RollbackConfig' in svc_info_defaults['Spec']
assert 'RollbackConfig' not in svc_info['Spec']
def test_remove_service_by_id(self):
svc_name, svc_id = self.create_simple_service()
assert self.client.remove_service(svc_id)
test_services = self.client.services(filters={'name': 'dockerpytest_'})
assert len(test_services) == 0
def test_remove_service_by_name(self):
svc_name, svc_id = self.create_simple_service()
assert self.client.remove_service(svc_name)
test_services = self.client.services(filters={'name': 'dockerpytest_'})
assert len(test_services) == 0
def test_create_service_simple(self):
name, svc_id = self.create_simple_service()
assert self.client.inspect_service(svc_id)
services = self.client.services(filters={'name': name})
assert len(services) == 1
assert services[0]['ID'] == svc_id['ID']
@requires_api_version('1.25')
@requires_experimental(until='1.29')
def test_service_logs(self):
name, svc_id = self.create_simple_service()
assert self.get_service_container(name, include_stopped=True)
attempts = 20
while True:
if attempts == 0:
self.fail('No service logs produced by endpoint')
return
logs = self.client.service_logs(svc_id, stdout=True, is_tty=False)
try:
log_line = next(logs)
except StopIteration:
attempts -= 1
time.sleep(0.1)
continue
else:
break
if log_line is not None:
log_line = log_line.decode('utf-8')
assert 'hello\n' in log_line
def test_create_service_custom_log_driver(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
log_cfg = docker.types.DriverConfig('none')
task_tmpl = docker.types.TaskTemplate(
container_spec, log_driver=log_cfg
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
res_template = svc_info['Spec']['TaskTemplate']
assert 'LogDriver' in res_template
assert 'Name' in res_template['LogDriver']
assert res_template['LogDriver']['Name'] == 'none'
def test_create_service_with_volume_mount(self):
vol_name = self.get_service_name()
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['ls'],
mounts=[
docker.types.Mount(target='/test', source=vol_name)
]
)
self.tmp_volumes.append(vol_name)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'ContainerSpec' in svc_info['Spec']['TaskTemplate']
cspec = svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert 'Mounts' in cspec
assert len(cspec['Mounts']) == 1
mount = cspec['Mounts'][0]
assert mount['Target'] == '/test'
assert mount['Source'] == vol_name
assert mount['Type'] == 'volume'
def test_create_service_with_resources_constraints(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
resources = docker.types.Resources(
cpu_limit=4000000, mem_limit=3 * 1024 * 1024 * 1024,
cpu_reservation=3500000, mem_reservation=2 * 1024 * 1024 * 1024
)
task_tmpl = docker.types.TaskTemplate(
container_spec, resources=resources
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
res_template = svc_info['Spec']['TaskTemplate']
assert 'Resources' in res_template
assert res_template['Resources']['Limits'] == resources['Limits']
assert res_template['Resources']['Reservations'] == resources[
'Reservations'
]
def _create_service_with_generic_resources(self, generic_resources):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
resources = docker.types.Resources(
generic_resources=generic_resources
)
task_tmpl = docker.types.TaskTemplate(
container_spec, resources=resources
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
return resources, self.client.inspect_service(svc_id)
@requires_api_version('1.32')
def test_create_service_with_generic_resources(self):
successful = [{
'input': [
{'DiscreteResourceSpec': {'Kind': 'gpu', 'Value': 1}},
{'NamedResourceSpec': {'Kind': 'gpu', 'Value': 'test'}}
]}, {
'input': {'gpu': 2, 'mpi': 'latest'},
'expected': [
{'DiscreteResourceSpec': {'Kind': 'gpu', 'Value': 2}},
{'NamedResourceSpec': {'Kind': 'mpi', 'Value': 'latest'}}
]}
]
for test in successful:
t = test['input']
resrcs, svc_info = self._create_service_with_generic_resources(t)
assert 'TaskTemplate' in svc_info['Spec']
res_template = svc_info['Spec']['TaskTemplate']
assert 'Resources' in res_template
res_reservations = res_template['Resources']['Reservations']
assert res_reservations == resrcs['Reservations']
assert 'GenericResources' in res_reservations
def _key(d, specs=('DiscreteResourceSpec', 'NamedResourceSpec')):
return [d.get(s, {}).get('Kind', '') for s in specs]
actual = res_reservations['GenericResources']
expected = test.get('expected', test['input'])
assert sorted(actual, key=_key) == sorted(expected, key=_key)
@requires_api_version('1.32')
def test_create_service_with_invalid_generic_resources(self):
for test_input in ['1', 1.0, lambda: '1', {1, 2}]:
with pytest.raises(docker.errors.InvalidArgument):
self._create_service_with_generic_resources(test_input)
def test_create_service_with_update_config(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
update_config = docker.types.UpdateConfig(
parallelism=10, delay=5, failure_action='pause'
)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, update_config=update_config, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'UpdateConfig' in svc_info['Spec']
uc = svc_info['Spec']['UpdateConfig']
assert update_config['Parallelism'] == uc['Parallelism']
assert update_config['Delay'] == uc['Delay']
assert update_config['FailureAction'] == uc['FailureAction']
@requires_api_version('1.28')
def test_create_service_with_failure_action_rollback(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
update_config = docker.types.UpdateConfig(failure_action='rollback')
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, update_config=update_config, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'UpdateConfig' in svc_info['Spec']
uc = svc_info['Spec']['UpdateConfig']
assert update_config['FailureAction'] == uc['FailureAction']
@requires_api_version('1.25')
def test_create_service_with_update_config_monitor(self):
container_spec = docker.types.ContainerSpec('busybox', ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
update_config = docker.types.UpdateConfig(
monitor=300000000, max_failure_ratio=0.4
)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, update_config=update_config, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'UpdateConfig' in svc_info['Spec']
uc = svc_info['Spec']['UpdateConfig']
assert update_config['Monitor'] == uc['Monitor']
assert update_config['MaxFailureRatio'] == uc['MaxFailureRatio']
@requires_api_version('1.28')
def test_create_service_with_rollback_config(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
rollback_cfg = docker.types.RollbackConfig(
parallelism=10, delay=5, failure_action='pause',
monitor=300000000, max_failure_ratio=0.4
)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, rollback_config=rollback_cfg, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'RollbackConfig' in svc_info['Spec']
rc = svc_info['Spec']['RollbackConfig']
assert rollback_cfg['Parallelism'] == rc['Parallelism']
assert rollback_cfg['Delay'] == rc['Delay']
assert rollback_cfg['FailureAction'] == rc['FailureAction']
assert rollback_cfg['Monitor'] == rc['Monitor']
assert rollback_cfg['MaxFailureRatio'] == rc['MaxFailureRatio']
def test_create_service_with_restart_policy(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
policy = docker.types.RestartPolicy(
docker.types.RestartPolicy.condition_types.ANY,
delay=5, max_attempts=5
)
task_tmpl = docker.types.TaskTemplate(
container_spec, restart_policy=policy
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'RestartPolicy' in svc_info['Spec']['TaskTemplate']
assert policy == svc_info['Spec']['TaskTemplate']['RestartPolicy']
def test_create_service_with_custom_networks(self):
net1 = self.client.create_network(
'dockerpytest_1', driver='overlay', ipam={'Driver': 'default'}
)
self.tmp_networks.append(net1['Id'])
net2 = self.client.create_network(
'dockerpytest_2', driver='overlay', ipam={'Driver': 'default'}
)
self.tmp_networks.append(net2['Id'])
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name, networks=[
'dockerpytest_1', {'Target': 'dockerpytest_2'}
]
)
svc_info = self.client.inspect_service(svc_id)
assert 'Networks' in svc_info['Spec']
assert svc_info['Spec']['Networks'] == [
{'Target': net1['Id']}, {'Target': net2['Id']}
]
@requires_api_version('1.25')
def test_create_service_with_network_attachment_config(self):
network = self.client.create_network(
'dockerpytest_1', driver='overlay', ipam={'Driver': 'default'}
)
self.tmp_networks.append(network['Id'])
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
network_config = docker.types.NetworkAttachmentConfig(
target='dockerpytest_1',
aliases=['dockerpytest_1_alias'],
options={
'foo': 'bar'
}
)
task_tmpl = docker.types.TaskTemplate(
container_spec,
networks=[network_config]
)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'Networks' in svc_info['Spec']['TaskTemplate']
service_networks_info = svc_info['Spec']['TaskTemplate']['Networks']
assert len(service_networks_info) == 1
assert service_networks_info[0]['Target'] == network['Id']
assert service_networks_info[0]['Aliases'] == ['dockerpytest_1_alias']
assert service_networks_info[0]['DriverOpts'] == {'foo': 'bar'}
def test_create_service_with_placement(self):
node_id = self.client.nodes()[0]['ID']
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=[f'node.id=={node_id}']
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert (svc_info['Spec']['TaskTemplate']['Placement'] ==
{'Constraints': [f'node.id=={node_id}']})
def test_create_service_with_placement_object(self):
node_id = self.client.nodes()[0]['ID']
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
placemt = docker.types.Placement(
constraints=[f'node.id=={node_id}']
)
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=placemt
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['Placement'] == placemt
@requires_api_version('1.30')
def test_create_service_with_placement_platform(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
placemt = docker.types.Placement(platforms=[('x86_64', 'linux')])
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=placemt
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['Placement'] == placemt
@requires_api_version('1.27')
def test_create_service_with_placement_preferences(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
placemt = docker.types.Placement(preferences=[
{'Spread': {'SpreadDescriptor': 'com.dockerpy.test'}}
])
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=placemt
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['Placement'] == placemt
@requires_api_version('1.27')
def test_create_service_with_placement_preferences_tuple(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
placemt = docker.types.Placement(preferences=(
('spread', 'com.dockerpy.test'),
))
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=placemt
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['Placement'] == placemt
@requires_api_version('1.40')
def test_create_service_with_placement_maxreplicas(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
placemt = docker.types.Placement(maxreplicas=1)
task_tmpl = docker.types.TaskTemplate(
container_spec, placement=placemt
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Placement' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['Placement'] == placemt
def test_create_service_with_endpoint_spec(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
endpoint_spec = docker.types.EndpointSpec(ports={
12357: (1990, 'udp'),
12562: (678,),
53243: 8080,
})
svc_id = self.client.create_service(
task_tmpl, name=name, endpoint_spec=endpoint_spec
)
svc_info = self.client.inspect_service(svc_id)
ports = svc_info['Spec']['EndpointSpec']['Ports']
for port in ports:
if port['PublishedPort'] == 12562:
assert port['TargetPort'] == 678
assert port['Protocol'] == 'tcp'
elif port['PublishedPort'] == 53243:
assert port['TargetPort'] == 8080
assert port['Protocol'] == 'tcp'
elif port['PublishedPort'] == 12357:
assert port['TargetPort'] == 1990
assert port['Protocol'] == 'udp'
else:
self.fail(f'Invalid port specification: {port}')
assert len(ports) == 3
@requires_api_version('1.32')
def test_create_service_with_endpoint_spec_host_publish_mode(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
endpoint_spec = docker.types.EndpointSpec(ports={
12357: (1990, None, 'host'),
})
svc_id = self.client.create_service(
task_tmpl, name=name, endpoint_spec=endpoint_spec
)
svc_info = self.client.inspect_service(svc_id)
ports = svc_info['Spec']['EndpointSpec']['Ports']
assert len(ports) == 1
port = ports[0]
assert port['PublishedPort'] == 12357
assert port['TargetPort'] == 1990
assert port['Protocol'] == 'tcp'
assert port['PublishMode'] == 'host'
def test_create_service_with_env(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['true'], env={'DOCKER_PY_TEST': 1}
)
task_tmpl = docker.types.TaskTemplate(
container_spec,
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
assert 'ContainerSpec' in svc_info['Spec']['TaskTemplate']
con_spec = svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert 'Env' in con_spec
assert con_spec['Env'] == ['DOCKER_PY_TEST=1']
@requires_api_version('1.29')
def test_create_service_with_update_order(self):
container_spec = docker.types.ContainerSpec(TEST_IMG, ['true'])
task_tmpl = docker.types.TaskTemplate(container_spec)
update_config = docker.types.UpdateConfig(
parallelism=10, delay=5, order='start-first'
)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, update_config=update_config, name=name
)
svc_info = self.client.inspect_service(svc_id)
assert 'UpdateConfig' in svc_info['Spec']
uc = svc_info['Spec']['UpdateConfig']
assert update_config['Parallelism'] == uc['Parallelism']
assert update_config['Delay'] == uc['Delay']
assert update_config['Order'] == uc['Order']
@requires_api_version('1.25')
def test_create_service_with_tty(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['true'], tty=True
)
task_tmpl = docker.types.TaskTemplate(
container_spec,
)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
assert 'ContainerSpec' in svc_info['Spec']['TaskTemplate']
con_spec = svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert 'TTY' in con_spec
assert con_spec['TTY'] is True
@requires_api_version('1.25')
def test_create_service_with_tty_dict(self):
container_spec = {
'Image': TEST_IMG,
'Command': ['true'],
'TTY': True
}
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
assert 'ContainerSpec' in svc_info['Spec']['TaskTemplate']
con_spec = svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert 'TTY' in con_spec
assert con_spec['TTY'] is True
def test_create_service_global_mode(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name, mode='global'
)
svc_info = self.client.inspect_service(svc_id)
assert 'Mode' in svc_info['Spec']
assert 'Global' in svc_info['Spec']['Mode']
def test_create_service_replicated_mode(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name,
mode=docker.types.ServiceMode('replicated', 5)
)
svc_info = self.client.inspect_service(svc_id)
assert 'Mode' in svc_info['Spec']
assert 'Replicated' in svc_info['Spec']['Mode']
assert svc_info['Spec']['Mode']['Replicated'] == {'Replicas': 5}
@requires_api_version('1.41')
def test_create_service_global_job_mode(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name, mode='global-job'
)
svc_info = self.client.inspect_service(svc_id)
assert 'Mode' in svc_info['Spec']
assert 'GlobalJob' in svc_info['Spec']['Mode']
@requires_api_version('1.41')
def test_create_service_replicated_job_mode(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name,
mode=docker.types.ServiceMode('replicated-job', 5)
)
svc_info = self.client.inspect_service(svc_id)
assert 'Mode' in svc_info['Spec']
assert 'ReplicatedJob' in svc_info['Spec']['Mode']
assert svc_info['Spec']['Mode']['ReplicatedJob'] == {
'MaxConcurrent': 1,
'TotalCompletions': 5
}
@requires_api_version('1.25')
def test_update_service_force_update(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'TaskTemplate' in svc_info['Spec']
assert 'ForceUpdate' in svc_info['Spec']['TaskTemplate']
assert svc_info['Spec']['TaskTemplate']['ForceUpdate'] == 0
version_index = svc_info['Version']['Index']
task_tmpl = docker.types.TaskTemplate(container_spec, force_update=10)
self.client.update_service(name, version_index, task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
new_index = svc_info['Version']['Index']
assert new_index > version_index
assert svc_info['Spec']['TaskTemplate']['ForceUpdate'] == 10
@requires_api_version('1.25')
def test_create_service_with_secret(self):
secret_name = 'favorite_touhou'
secret_data = b'phantasmagoria of flower view'
secret_id = self.client.create_secret(secret_name, secret_data)
self.tmp_secrets.append(secret_id)
secret_ref = docker.types.SecretReference(secret_id, secret_name)
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], secrets=[secret_ref]
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Secrets' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
secrets = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Secrets']
assert secrets[0] == secret_ref
container = self.get_service_container(name)
assert container is not None
exec_id = self.client.exec_create(
container, f'cat /run/secrets/{secret_name}'
)
assert self.client.exec_start(exec_id) == secret_data
@requires_api_version('1.25')
def test_create_service_with_unicode_secret(self):
secret_name = 'favorite_touhou'
secret_data = '東方花映塚'
secret_id = self.client.create_secret(secret_name, secret_data)
self.tmp_secrets.append(secret_id)
secret_ref = docker.types.SecretReference(secret_id, secret_name)
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], secrets=[secret_ref]
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Secrets' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
secrets = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Secrets']
assert secrets[0] == secret_ref
container = self.get_service_container(name)
assert container is not None
exec_id = self.client.exec_create(
container, f'cat /run/secrets/{secret_name}'
)
container_secret = self.client.exec_start(exec_id)
container_secret = container_secret.decode('utf-8')
assert container_secret == secret_data
@requires_api_version('1.30')
def test_create_service_with_config(self):
config_name = 'favorite_touhou'
config_data = b'phantasmagoria of flower view'
config_id = self.client.create_config(config_name, config_data)
self.tmp_configs.append(config_id)
config_ref = docker.types.ConfigReference(config_id, config_name)
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], configs=[config_ref]
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Configs' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
configs = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Configs']
assert configs[0] == config_ref
container = self.get_service_container(name)
assert container is not None
exec_id = self.client.exec_create(
container, f'cat /{config_name}'
)
assert self.client.exec_start(exec_id) == config_data
@requires_api_version('1.30')
def test_create_service_with_unicode_config(self):
config_name = 'favorite_touhou'
config_data = '東方花映塚'
config_id = self.client.create_config(config_name, config_data)
self.tmp_configs.append(config_id)
config_ref = docker.types.ConfigReference(config_id, config_name)
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], configs=[config_ref]
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Configs' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
configs = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Configs']
assert configs[0] == config_ref
container = self.get_service_container(name)
assert container is not None
exec_id = self.client.exec_create(
container, f'cat /{config_name}'
)
container_config = self.client.exec_start(exec_id)
container_config = container_config.decode('utf-8')
assert container_config == config_data
@requires_api_version('1.25')
def test_create_service_with_hosts(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], hosts={
'foobar': '127.0.0.1',
'baz': '8.8.8.8',
}
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Hosts' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
hosts = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Hosts']
assert len(hosts) == 2
assert '127.0.0.1 foobar' in hosts
assert '8.8.8.8 baz' in hosts
@requires_api_version('1.25')
def test_create_service_with_hostname(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], hostname='foobar.baz.com'
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Hostname' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert (
svc_info['Spec']['TaskTemplate']['ContainerSpec']['Hostname'] ==
'foobar.baz.com'
)
@requires_api_version('1.25')
def test_create_service_with_groups(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], groups=['shrinemaidens', 'youkais']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Groups' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
groups = svc_info['Spec']['TaskTemplate']['ContainerSpec']['Groups']
assert len(groups) == 2
assert 'shrinemaidens' in groups
assert 'youkais' in groups
@requires_api_version('1.25')
def test_create_service_with_dns_config(self):
dns_config = docker.types.DNSConfig(
nameservers=['8.8.8.8', '8.8.4.4'],
search=['local'], options=['debug']
)
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['sleep', '999'], dns_config=dns_config
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'DNSConfig' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert (
dns_config ==
svc_info['Spec']['TaskTemplate']['ContainerSpec']['DNSConfig']
)
@requires_api_version('1.25')
def test_create_service_with_healthcheck(self):
second = 1000000000
hc = docker.types.Healthcheck(
test='true', retries=3, timeout=1 * second,
start_period=3 * second, interval=int(second / 2),
)
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['sleep', '999'], healthcheck=hc
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert (
'Healthcheck' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
)
assert (
hc ==
svc_info['Spec']['TaskTemplate']['ContainerSpec']['Healthcheck']
)
@requires_api_version('1.28')
def test_create_service_with_readonly(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['sleep', '999'], read_only=True
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert (
'ReadOnly' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
)
assert svc_info['Spec']['TaskTemplate']['ContainerSpec']['ReadOnly']
@requires_api_version('1.28')
def test_create_service_with_stop_signal(self):
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['sleep', '999'], stop_signal='SIGINT'
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert (
'StopSignal' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
)
assert (
svc_info['Spec']['TaskTemplate']['ContainerSpec']['StopSignal'] ==
'SIGINT'
)
@requires_api_version('1.30')
def test_create_service_with_privileges(self):
priv = docker.types.Privileges(selinux_disable=True)
container_spec = docker.types.ContainerSpec(
TEST_IMG, ['sleep', '999'], privileges=priv
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert (
'Privileges' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
)
privileges = (
svc_info['Spec']['TaskTemplate']['ContainerSpec']['Privileges']
)
assert privileges['SELinuxContext']['Disable'] is True
@requires_api_version('1.38')
def test_create_service_with_init(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['sleep', '999'], init=True
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Init' in svc_info['Spec']['TaskTemplate']['ContainerSpec']
assert (
svc_info['Spec']['TaskTemplate']['ContainerSpec']['Init'] is True
)
@requires_api_version('1.25')
def test_update_service_with_defaults_name(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(task_tmpl, name=name)
svc_info = self.client.inspect_service(svc_id)
assert 'Name' in svc_info['Spec']
assert svc_info['Spec']['Name'] == name
version_index = svc_info['Version']['Index']
task_tmpl = docker.types.TaskTemplate(container_spec, force_update=10)
self._update_service(
svc_id, name, version_index, task_tmpl, fetch_current_spec=True
)
svc_info = self.client.inspect_service(svc_id)
new_index = svc_info['Version']['Index']
assert new_index > version_index
assert 'Name' in svc_info['Spec']
assert svc_info['Spec']['Name'] == name
@requires_api_version('1.25')
def test_update_service_with_defaults_labels(self):
container_spec = docker.types.ContainerSpec(
'busybox', ['echo', 'hello']
)
task_tmpl = docker.types.TaskTemplate(container_spec)
name = self.get_service_name()
svc_id = self.client.create_service(
task_tmpl, name=name, labels={'service.label': 'SampleLabel'}
)
svc_info = self.client.inspect_service(svc_id)
assert 'Labels' in svc_info['Spec']
assert 'service.label' in svc_info['Spec']['Labels']
assert svc_info['Spec']['Labels']['service.label'] == 'SampleLabel'
version_index = svc_info['Version']['Index']
task_tmpl = docker.types.TaskTemplate(container_spec, force_update=10)
self._update_service(
svc_id, name, version_index, task_tmpl, name=name,
fetch_current_spec=True
)
svc_info = self.client.inspect_service(svc_id)
new_index = svc_info['Version']['Index']
assert new_index > version_index