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import docker
from docker.constants import DEFAULT_DATA_CHUNK_SIZE
from docker.models.containers import Container, _create_container_args
from docker.models.images import Image
import unittest
from .fake_api import FAKE_CONTAINER_ID, FAKE_IMAGE_ID, FAKE_EXEC_ID
from .fake_api_client import make_fake_client
import pytest
class ContainerCollectionTest(unittest.TestCase):
def test_run(self):
client = make_fake_client()
out = client.containers.run("alpine", "echo hello world")
assert out == b'hello world\n'
client.api.create_container.assert_called_with(
image="alpine",
command="echo hello world",
detach=False,
host_config={'NetworkMode': 'default'}
)
client.api.inspect_container.assert_called_with(FAKE_CONTAINER_ID)
client.api.start.assert_called_with(FAKE_CONTAINER_ID)
client.api.wait.assert_called_with(FAKE_CONTAINER_ID)
client.api.logs.assert_called_with(
FAKE_CONTAINER_ID, stderr=False, stdout=True, stream=True,
follow=True
)
def test_create_container_args(self):
create_kwargs = _create_container_args(dict(
image='alpine',
command='echo hello world',
blkio_weight_device=[{'Path': 'foo', 'Weight': 3}],
blkio_weight=2,
cap_add=['foo'],
cap_drop=['bar'],
cgroup_parent='foobar',
cpu_period=1,
cpu_quota=2,
cpu_shares=5,
cpuset_cpus='0-3',
detach=False,
device_read_bps=[{'Path': 'foo', 'Rate': 3}],
device_read_iops=[{'Path': 'foo', 'Rate': 3}],
device_write_bps=[{'Path': 'foo', 'Rate': 3}],
device_write_iops=[{'Path': 'foo', 'Rate': 3}],
devices=['/dev/sda:/dev/xvda:rwm'],
dns=['8.8.8.8'],
domainname='example.com',
dns_opt=['foo'],
dns_search=['example.com'],
entrypoint='/bin/sh',
environment={'FOO': 'BAR'},
extra_hosts={'foo': '1.2.3.4'},
group_add=['blah'],
ipc_mode='foo',
kernel_memory=123,
labels={'key': 'value'},
links={'foo': 'bar'},
log_config={'Type': 'json-file', 'Config': {}},
lxc_conf={'foo': 'bar'},
healthcheck={'test': 'true'},
hostname='somehost',
mac_address='abc123',
mem_limit=123,
mem_reservation=123,
mem_swappiness=2,
memswap_limit=456,
name='somename',
network_disabled=False,
network='foo',
oom_kill_disable=True,
oom_score_adj=5,
pid_mode='host',
pids_limit=500,
ports={
1111: 4567,
2222: None
},
privileged=True,
publish_all_ports=True,
read_only=True,
restart_policy={'Name': 'always'},
security_opt=['blah'],
shm_size=123,
stdin_open=True,
stop_signal=9,
sysctls={'foo': 'bar'},
tmpfs={'/blah': ''},
tty=True,
ulimits=[{"Name": "nofile", "Soft": 1024, "Hard": 2048}],
user='bob',
userns_mode='host',
version='1.23',
volume_driver='some_driver',
volumes=[
'/home/user1/:/mnt/vol2',
'/var/www:/mnt/vol1:ro',
'volumename:/mnt/vol3',
'/volumewithnohostpath',
'/anothervolumewithnohostpath:ro',
'C:\\windows\\path:D:\\hello\\world:rw'
],
volumes_from=['container'],
working_dir='/code'
))
expected = dict(
image='alpine',
command='echo hello world',
domainname='example.com',
detach=False,
entrypoint='/bin/sh',
environment={'FOO': 'BAR'},
host_config={
'Binds': [
'/home/user1/:/mnt/vol2',
'/var/www:/mnt/vol1:ro',
'volumename:/mnt/vol3',
'/volumewithnohostpath',
'/anothervolumewithnohostpath:ro',
'C:\\windows\\path:D:\\hello\\world:rw'
],
'BlkioDeviceReadBps': [{'Path': 'foo', 'Rate': 3}],
'BlkioDeviceReadIOps': [{'Path': 'foo', 'Rate': 3}],
'BlkioDeviceWriteBps': [{'Path': 'foo', 'Rate': 3}],
'BlkioDeviceWriteIOps': [{'Path': 'foo', 'Rate': 3}],
'BlkioWeightDevice': [{'Path': 'foo', 'Weight': 3}],
'BlkioWeight': 2,
'CapAdd': ['foo'],
'CapDrop': ['bar'],
'CgroupParent': 'foobar',
'CpuPeriod': 1,
'CpuQuota': 2,
'CpuShares': 5,
'CpusetCpus': '0-3',
'Devices': [{'PathOnHost': '/dev/sda',
'CgroupPermissions': 'rwm',
'PathInContainer': '/dev/xvda'}],
'Dns': ['8.8.8.8'],
'DnsOptions': ['foo'],
'DnsSearch': ['example.com'],
'ExtraHosts': ['foo:1.2.3.4'],
'GroupAdd': ['blah'],
'IpcMode': 'foo',
'KernelMemory': 123,
'Links': ['foo:bar'],
'LogConfig': {'Type': 'json-file', 'Config': {}},
'LxcConf': [{'Key': 'foo', 'Value': 'bar'}],
'Memory': 123,
'MemoryReservation': 123,
'MemorySwap': 456,
'MemorySwappiness': 2,
'NetworkMode': 'foo',
'OomKillDisable': True,
'OomScoreAdj': 5,
'PidMode': 'host',
'PidsLimit': 500,
'PortBindings': {
'1111/tcp': [{'HostIp': '', 'HostPort': '4567'}],
'2222/tcp': [{'HostIp': '', 'HostPort': ''}]
},
'Privileged': True,
'PublishAllPorts': True,
'ReadonlyRootfs': True,
'RestartPolicy': {'Name': 'always'},
'SecurityOpt': ['blah'],
'ShmSize': 123,
'Sysctls': {'foo': 'bar'},
'Tmpfs': {'/blah': ''},
'Ulimits': [{"Name": "nofile", "Soft": 1024, "Hard": 2048}],
'UsernsMode': 'host',
'VolumesFrom': ['container'],
},
healthcheck={'test': 'true'},
hostname='somehost',
labels={'key': 'value'},
mac_address='abc123',
name='somename',
network_disabled=False,
networking_config={'foo': None},
ports=[('1111', 'tcp'), ('2222', 'tcp')],
stdin_open=True,
stop_signal=9,
tty=True,
user='bob',
volume_driver='some_driver',
volumes=[
'/mnt/vol2',
'/mnt/vol1',
'/mnt/vol3',
'/volumewithnohostpath',
'/anothervolumewithnohostpath',
'D:\\hello\\world'
],
working_dir='/code'
)
assert create_kwargs == expected
def test_run_detach(self):
client = make_fake_client()
container = client.containers.run('alpine', 'sleep 300', detach=True)
assert isinstance(container, Container)
assert container.id == FAKE_CONTAINER_ID
client.api.create_container.assert_called_with(
image='alpine',
command='sleep 300',
detach=True,
host_config={
'NetworkMode': 'default',
}
)
client.api.inspect_container.assert_called_with(FAKE_CONTAINER_ID)
client.api.start.assert_called_with(FAKE_CONTAINER_ID)
def test_run_pull(self):
client = make_fake_client()
# raise exception on first call, then return normal value
client.api.create_container.side_effect = [
docker.errors.ImageNotFound(""),
client.api.create_container.return_value
]
container = client.containers.run('alpine', 'sleep 300', detach=True)
assert container.id == FAKE_CONTAINER_ID
client.api.pull.assert_called_with('alpine', platform=None, tag=None)
def test_run_with_error(self):
client = make_fake_client()
client.api.logs.return_value = "some error"
client.api.wait.return_value = {'StatusCode': 1}
with pytest.raises(docker.errors.ContainerError) as cm:
client.containers.run('alpine', 'echo hello world')
assert cm.value.exit_status == 1
assert "some error" in cm.exconly()
def test_run_with_image_object(self):
client = make_fake_client()
image = client.images.get(FAKE_IMAGE_ID)
client.containers.run(image)
client.api.create_container.assert_called_with(
image=image.id,
command=None,
detach=False,
host_config={
'NetworkMode': 'default',
}
)
def test_run_remove(self):
client = make_fake_client()
client.containers.run("alpine")
client.api.remove_container.assert_not_called()
client = make_fake_client()
client.api.wait.return_value = {'StatusCode': 1}
with pytest.raises(docker.errors.ContainerError):
client.containers.run("alpine")
client.api.remove_container.assert_not_called()
client = make_fake_client()
client.containers.run("alpine", remove=True)
client.api.remove_container.assert_called_with(FAKE_CONTAINER_ID)
client = make_fake_client()
client.api.wait.return_value = {'StatusCode': 1}
with pytest.raises(docker.errors.ContainerError):
client.containers.run("alpine", remove=True)
client.api.remove_container.assert_called_with(FAKE_CONTAINER_ID)
client = make_fake_client()
client.api._version = '1.24'
with pytest.raises(RuntimeError):
client.containers.run("alpine", detach=True, remove=True)
client = make_fake_client()
client.api._version = '1.23'
with pytest.raises(RuntimeError):
client.containers.run("alpine", detach=True, remove=True)
client = make_fake_client()
client.api._version = '1.25'
client.containers.run("alpine", detach=True, remove=True)
client.api.remove_container.assert_not_called()
client.api.create_container.assert_called_with(
command=None,
image='alpine',
detach=True,
host_config={'AutoRemove': True,
'NetworkMode': 'default'}
)
client = make_fake_client()
client.api._version = '1.26'
client.containers.run("alpine", detach=True, remove=True)
client.api.remove_container.assert_not_called()
client.api.create_container.assert_called_with(
command=None,
image='alpine',
detach=True,
host_config={'AutoRemove': True,
'NetworkMode': 'default'}
)
def test_create(self):
client = make_fake_client()
container = client.containers.create(
'alpine',
'echo hello world',
environment={'FOO': 'BAR'}
)
assert isinstance(container, Container)
assert container.id == FAKE_CONTAINER_ID
client.api.create_container.assert_called_with(
image='alpine',
command='echo hello world',
environment={'FOO': 'BAR'},
host_config={'NetworkMode': 'default'}
)
client.api.inspect_container.assert_called_with(FAKE_CONTAINER_ID)
def test_create_with_image_object(self):
client = make_fake_client()
image = client.images.get(FAKE_IMAGE_ID)
client.containers.create(image)
client.api.create_container.assert_called_with(
image=image.id,
command=None,
host_config={'NetworkMode': 'default'}
)
def test_get(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
assert isinstance(container, Container)
assert container.id == FAKE_CONTAINER_ID
client.api.inspect_container.assert_called_with(FAKE_CONTAINER_ID)
def test_list(self):
client = make_fake_client()
containers = client.containers.list(all=True)
client.api.containers.assert_called_with(
all=True,
before=None,
filters=None,
limit=-1,
since=None
)
client.api.inspect_container.assert_called_with(FAKE_CONTAINER_ID)
assert len(containers) == 1
assert isinstance(containers[0], Container)
assert containers[0].id == FAKE_CONTAINER_ID
def test_list_ignore_removed(self):
def side_effect(*args, **kwargs):
raise docker.errors.NotFound('Container not found')
client = make_fake_client({
'inspect_container.side_effect': side_effect
})
with pytest.raises(docker.errors.NotFound):
client.containers.list(all=True, ignore_removed=False)
assert client.containers.list(all=True, ignore_removed=True) == []
class ContainerTest(unittest.TestCase):
def test_name(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
assert container.name == 'foobar'
def test_status(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
assert container.status == "running"
def test_attach(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.attach(stream=True)
client.api.attach.assert_called_with(FAKE_CONTAINER_ID, stream=True)
def test_commit(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
image = container.commit()
client.api.commit.assert_called_with(FAKE_CONTAINER_ID,
repository=None,
tag=None)
assert isinstance(image, Image)
assert image.id == FAKE_IMAGE_ID
def test_diff(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.diff()
client.api.diff.assert_called_with(FAKE_CONTAINER_ID)
def test_exec_run(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.exec_run("echo hello world", privileged=True, stream=True)
client.api.exec_create.assert_called_with(
FAKE_CONTAINER_ID, "echo hello world", stdout=True, stderr=True,
stdin=False, tty=False, privileged=True, user='', environment=None,
workdir=None
)
client.api.exec_start.assert_called_with(
FAKE_EXEC_ID, detach=False, tty=False, stream=True, socket=False
)
def test_exec_run_failure(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.exec_run("docker ps", privileged=True, stream=False)
client.api.exec_create.assert_called_with(
FAKE_CONTAINER_ID, "docker ps", stdout=True, stderr=True,
stdin=False, tty=False, privileged=True, user='', environment=None,
workdir=None
)
client.api.exec_start.assert_called_with(
FAKE_EXEC_ID, detach=False, tty=False, stream=False, socket=False
)
def test_export(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.export()
client.api.export.assert_called_with(
FAKE_CONTAINER_ID, DEFAULT_DATA_CHUNK_SIZE
)
def test_get_archive(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.get_archive('foo')
client.api.get_archive.assert_called_with(
FAKE_CONTAINER_ID, 'foo', DEFAULT_DATA_CHUNK_SIZE
)
def test_image(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
assert container.image.id == FAKE_IMAGE_ID
def test_kill(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.kill(signal=5)
client.api.kill.assert_called_with(FAKE_CONTAINER_ID, signal=5)
def test_labels(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
assert container.labels == {'foo': 'bar'}
def test_logs(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.logs()
client.api.logs.assert_called_with(FAKE_CONTAINER_ID)
def test_pause(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.pause()
client.api.pause.assert_called_with(FAKE_CONTAINER_ID)
def test_put_archive(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.put_archive('path', 'foo')
client.api.put_archive.assert_called_with(FAKE_CONTAINER_ID,
'path', 'foo')
def test_remove(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.remove()
client.api.remove_container.assert_called_with(FAKE_CONTAINER_ID)
def test_rename(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.rename("foo")
client.api.rename.assert_called_with(FAKE_CONTAINER_ID, "foo")
def test_resize(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.resize(1, 2)
client.api.resize.assert_called_with(FAKE_CONTAINER_ID, 1, 2)
def test_restart(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.restart()
client.api.restart.assert_called_with(FAKE_CONTAINER_ID)
def test_start(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.start()
client.api.start.assert_called_with(FAKE_CONTAINER_ID)
def test_stats(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.stats()
client.api.stats.assert_called_with(FAKE_CONTAINER_ID)
def test_stop(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.stop()
client.api.stop.assert_called_with(FAKE_CONTAINER_ID)
def test_top(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.top()
client.api.top.assert_called_with(FAKE_CONTAINER_ID)
def test_unpause(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.unpause()
client.api.unpause.assert_called_with(FAKE_CONTAINER_ID)
def test_update(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.update(cpu_shares=2)
client.api.update_container.assert_called_with(FAKE_CONTAINER_ID,
cpu_shares=2)
def test_wait(self):
client = make_fake_client()
container = client.containers.get(FAKE_CONTAINER_ID)
container.wait()
client.api.wait.assert_called_with(FAKE_CONTAINER_ID)