/
config_test.py
3271 lines (2890 loc) · 107 KB
/
config_test.py
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# encoding: utf-8
from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
import os
import shutil
import tempfile
from operator import itemgetter
import py
import pytest
from ...helpers import build_config_details
from compose.config import config
from compose.config.config import resolve_build_args
from compose.config.config import resolve_environment
from compose.config.config import V1
from compose.config.config import V2_0
from compose.config.config import V2_1
from compose.config.config import V3_0
from compose.config.environment import Environment
from compose.config.errors import ConfigurationError
from compose.config.errors import VERSION_EXPLANATION
from compose.config.types import VolumeSpec
from compose.const import IS_WINDOWS_PLATFORM
from compose.utils import nanoseconds_from_time_seconds
from tests import mock
from tests import unittest
DEFAULT_VERSION = V2_0
def make_service_dict(name, service_dict, working_dir, filename=None):
"""Test helper function to construct a ServiceExtendsResolver
"""
resolver = config.ServiceExtendsResolver(
config.ServiceConfig(
working_dir=working_dir,
filename=filename,
name=name,
config=service_dict),
config.ConfigFile(filename=filename, config={}),
environment=Environment.from_env_file(working_dir)
)
return config.process_service(resolver.run())
def service_sort(services):
return sorted(services, key=itemgetter('name'))
class ConfigTest(unittest.TestCase):
def test_load(self):
service_dicts = config.load(
build_config_details(
{
'foo': {'image': 'busybox'},
'bar': {'image': 'busybox', 'environment': ['FOO=1']},
},
'tests/fixtures/extends',
'common.yml'
)
).services
self.assertEqual(
service_sort(service_dicts),
service_sort([
{
'name': 'bar',
'image': 'busybox',
'environment': {'FOO': '1'},
},
{
'name': 'foo',
'image': 'busybox',
}
])
)
def test_load_v2(self):
config_data = config.load(
build_config_details({
'version': '2',
'services': {
'foo': {'image': 'busybox'},
'bar': {'image': 'busybox', 'environment': ['FOO=1']},
},
'volumes': {
'hello': {
'driver': 'default',
'driver_opts': {'beep': 'boop'}
}
},
'networks': {
'default': {
'driver': 'bridge',
'driver_opts': {'beep': 'boop'}
},
'with_ipam': {
'ipam': {
'driver': 'default',
'config': [
{'subnet': '172.28.0.0/16'}
]
}
},
'internal': {
'driver': 'bridge',
'internal': True
}
}
}, 'working_dir', 'filename.yml')
)
service_dicts = config_data.services
volume_dict = config_data.volumes
networks_dict = config_data.networks
self.assertEqual(
service_sort(service_dicts),
service_sort([
{
'name': 'bar',
'image': 'busybox',
'environment': {'FOO': '1'},
},
{
'name': 'foo',
'image': 'busybox',
}
])
)
self.assertEqual(volume_dict, {
'hello': {
'driver': 'default',
'driver_opts': {'beep': 'boop'}
}
})
self.assertEqual(networks_dict, {
'default': {
'driver': 'bridge',
'driver_opts': {'beep': 'boop'}
},
'with_ipam': {
'ipam': {
'driver': 'default',
'config': [
{'subnet': '172.28.0.0/16'}
]
}
},
'internal': {
'driver': 'bridge',
'internal': True
}
})
def test_valid_versions(self):
for version in ['2', '2.0']:
cfg = config.load(build_config_details({'version': version}))
assert cfg.version == V2_0
cfg = config.load(build_config_details({'version': '2.1'}))
assert cfg.version == V2_1
for version in ['3', '3.0']:
cfg = config.load(build_config_details({'version': version}))
assert cfg.version == V3_0
def test_v1_file_version(self):
cfg = config.load(build_config_details({'web': {'image': 'busybox'}}))
assert cfg.version == V1
assert list(s['name'] for s in cfg.services) == ['web']
cfg = config.load(build_config_details({'version': {'image': 'busybox'}}))
assert cfg.version == V1
assert list(s['name'] for s in cfg.services) == ['version']
def test_wrong_version_type(self):
for version in [None, 1, 2, 2.0]:
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{'version': version},
filename='filename.yml',
)
)
assert 'Version in "filename.yml" is invalid - it should be a string.' \
in excinfo.exconly()
def test_unsupported_version(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{'version': '2.18'},
filename='filename.yml',
)
)
assert 'Version in "filename.yml" is unsupported' in excinfo.exconly()
assert VERSION_EXPLANATION in excinfo.exconly()
def test_version_1_is_invalid(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{
'version': '1',
'web': {'image': 'busybox'},
},
filename='filename.yml',
)
)
assert 'Version in "filename.yml" is invalid' in excinfo.exconly()
assert VERSION_EXPLANATION in excinfo.exconly()
def test_v1_file_with_version_is_invalid(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{
'version': '2',
'web': {'image': 'busybox'},
},
filename='filename.yml',
)
)
assert 'Additional properties are not allowed' in excinfo.exconly()
assert VERSION_EXPLANATION in excinfo.exconly()
def test_named_volume_config_empty(self):
config_details = build_config_details({
'version': '2',
'services': {
'simple': {'image': 'busybox'}
},
'volumes': {
'simple': None,
'other': {},
}
})
config_result = config.load(config_details)
volumes = config_result.volumes
assert 'simple' in volumes
assert volumes['simple'] == {}
assert volumes['other'] == {}
def test_named_volume_numeric_driver_opt(self):
config_details = build_config_details({
'version': '2',
'services': {
'simple': {'image': 'busybox'}
},
'volumes': {
'simple': {'driver_opts': {'size': 42}},
}
})
cfg = config.load(config_details)
assert cfg.volumes['simple']['driver_opts']['size'] == '42'
def test_volume_invalid_driver_opt(self):
config_details = build_config_details({
'version': '2',
'services': {
'simple': {'image': 'busybox'}
},
'volumes': {
'simple': {'driver_opts': {'size': True}},
}
})
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert 'driver_opts.size contains an invalid type' in exc.exconly()
def test_named_volume_invalid_type_list(self):
config_details = build_config_details({
'version': '2',
'services': {
'simple': {'image': 'busybox'}
},
'volumes': []
})
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert "volume must be a mapping, not an array" in exc.exconly()
def test_networks_invalid_type_list(self):
config_details = build_config_details({
'version': '2',
'services': {
'simple': {'image': 'busybox'}
},
'networks': []
})
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert "network must be a mapping, not an array" in exc.exconly()
def test_load_service_with_name_version(self):
with mock.patch('compose.config.config.log') as mock_logging:
config_data = config.load(
build_config_details({
'version': {
'image': 'busybox'
}
}, 'working_dir', 'filename.yml')
)
assert 'Unexpected type for "version" key in "filename.yml"' \
in mock_logging.warn.call_args[0][0]
service_dicts = config_data.services
self.assertEqual(
service_sort(service_dicts),
service_sort([
{
'name': 'version',
'image': 'busybox',
}
])
)
def test_load_throws_error_when_not_dict(self):
with self.assertRaises(ConfigurationError):
config.load(
build_config_details(
{'web': 'busybox:latest'},
'working_dir',
'filename.yml'
)
)
def test_load_throws_error_when_not_dict_v2(self):
with self.assertRaises(ConfigurationError):
config.load(
build_config_details(
{'version': '2', 'services': {'web': 'busybox:latest'}},
'working_dir',
'filename.yml'
)
)
def test_load_throws_error_with_invalid_network_fields(self):
with self.assertRaises(ConfigurationError):
config.load(
build_config_details({
'version': '2',
'services': {'web': 'busybox:latest'},
'networks': {
'invalid': {'foo', 'bar'}
}
}, 'working_dir', 'filename.yml')
)
def test_load_config_link_local_ips_network(self):
base_file = config.ConfigFile(
'base.yaml',
{
'version': V2_1,
'services': {
'web': {
'image': 'example/web',
'networks': {
'foobar': {
'aliases': ['foo', 'bar'],
'link_local_ips': ['169.254.8.8']
}
}
}
},
'networks': {'foobar': {}}
}
)
details = config.ConfigDetails('.', [base_file])
web_service = config.load(details).services[0]
assert web_service['networks'] == {
'foobar': {
'aliases': ['foo', 'bar'],
'link_local_ips': ['169.254.8.8']
}
}
def test_load_config_volume_and_network_labels(self):
base_file = config.ConfigFile(
'base.yaml',
{
'version': '2.1',
'services': {
'web': {
'image': 'example/web',
},
},
'networks': {
'with_label': {
'labels': {
'label_key': 'label_val'
}
}
},
'volumes': {
'with_label': {
'labels': {
'label_key': 'label_val'
}
}
}
}
)
details = config.ConfigDetails('.', [base_file])
network_dict = config.load(details).networks
volume_dict = config.load(details).volumes
self.assertEqual(
network_dict,
{
'with_label': {
'labels': {
'label_key': 'label_val'
}
}
}
)
self.assertEqual(
volume_dict,
{
'with_label': {
'labels': {
'label_key': 'label_val'
}
}
}
)
def test_load_config_invalid_service_names(self):
for invalid_name in ['?not?allowed', ' ', '', '!', '/', '\xe2']:
with pytest.raises(ConfigurationError) as exc:
config.load(build_config_details(
{invalid_name: {'image': 'busybox'}}))
assert 'Invalid service name \'%s\'' % invalid_name in exc.exconly()
def test_load_config_invalid_service_names_v2(self):
for invalid_name in ['?not?allowed', ' ', '', '!', '/', '\xe2']:
with pytest.raises(ConfigurationError) as exc:
config.load(build_config_details(
{
'version': '2',
'services': {invalid_name: {'image': 'busybox'}},
}))
assert 'Invalid service name \'%s\'' % invalid_name in exc.exconly()
def test_load_with_invalid_field_name(self):
with pytest.raises(ConfigurationError) as exc:
config.load(build_config_details(
{
'version': '2',
'services': {
'web': {'image': 'busybox', 'name': 'bogus'},
}
},
'working_dir',
'filename.yml',
))
assert "Unsupported config option for services.web: 'name'" in exc.exconly()
def test_load_with_invalid_field_name_v1(self):
with pytest.raises(ConfigurationError) as exc:
config.load(build_config_details(
{
'web': {'image': 'busybox', 'name': 'bogus'},
},
'working_dir',
'filename.yml',
))
assert "Unsupported config option for web: 'name'" in exc.exconly()
def test_load_invalid_service_definition(self):
config_details = build_config_details(
{'web': 'wrong'},
'working_dir',
'filename.yml')
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert "service 'web' must be a mapping not a string." in exc.exconly()
def test_load_with_empty_build_args(self):
config_details = build_config_details(
{
'version': '2',
'services': {
'web': {
'build': {
'context': '.',
'args': None,
},
},
},
}
)
with pytest.raises(ConfigurationError) as exc:
config.load(config_details)
assert (
"services.web.build.args contains an invalid type, it should be an "
"object, or an array" in exc.exconly()
)
def test_config_integer_service_name_raise_validation_error(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{1: {'image': 'busybox'}},
'working_dir',
'filename.yml'
)
)
assert (
"In file 'filename.yml', the service name 1 must be a quoted string, i.e. '1'" in
excinfo.exconly()
)
def test_config_integer_service_name_raise_validation_error_v2(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(
build_config_details(
{
'version': '2',
'services': {1: {'image': 'busybox'}}
},
'working_dir',
'filename.yml'
)
)
assert (
"In file 'filename.yml', the service name 1 must be a quoted string, i.e. '1'." in
excinfo.exconly()
)
def test_load_with_multiple_files_v1(self):
base_file = config.ConfigFile(
'base.yaml',
{
'web': {
'image': 'example/web',
'links': ['db'],
},
'db': {
'image': 'example/db',
},
})
override_file = config.ConfigFile(
'override.yaml',
{
'web': {
'build': '/',
'volumes': ['/home/user/project:/code'],
},
})
details = config.ConfigDetails('.', [base_file, override_file])
service_dicts = config.load(details).services
expected = [
{
'name': 'web',
'build': {'context': os.path.abspath('/')},
'volumes': [VolumeSpec.parse('/home/user/project:/code')],
'links': ['db'],
},
{
'name': 'db',
'image': 'example/db',
},
]
assert service_sort(service_dicts) == service_sort(expected)
def test_load_with_multiple_files_and_empty_override(self):
base_file = config.ConfigFile(
'base.yml',
{'web': {'image': 'example/web'}})
override_file = config.ConfigFile('override.yml', None)
details = config.ConfigDetails('.', [base_file, override_file])
with pytest.raises(ConfigurationError) as exc:
config.load(details)
error_msg = "Top level object in 'override.yml' needs to be an object"
assert error_msg in exc.exconly()
def test_load_with_multiple_files_and_empty_override_v2(self):
base_file = config.ConfigFile(
'base.yml',
{'version': '2', 'services': {'web': {'image': 'example/web'}}})
override_file = config.ConfigFile('override.yml', None)
details = config.ConfigDetails('.', [base_file, override_file])
with pytest.raises(ConfigurationError) as exc:
config.load(details)
error_msg = "Top level object in 'override.yml' needs to be an object"
assert error_msg in exc.exconly()
def test_load_with_multiple_files_and_empty_base(self):
base_file = config.ConfigFile('base.yml', None)
override_file = config.ConfigFile(
'override.yml',
{'web': {'image': 'example/web'}})
details = config.ConfigDetails('.', [base_file, override_file])
with pytest.raises(ConfigurationError) as exc:
config.load(details)
assert "Top level object in 'base.yml' needs to be an object" in exc.exconly()
def test_load_with_multiple_files_and_empty_base_v2(self):
base_file = config.ConfigFile('base.yml', None)
override_file = config.ConfigFile(
'override.tml',
{'version': '2', 'services': {'web': {'image': 'example/web'}}}
)
details = config.ConfigDetails('.', [base_file, override_file])
with pytest.raises(ConfigurationError) as exc:
config.load(details)
assert "Top level object in 'base.yml' needs to be an object" in exc.exconly()
def test_load_with_multiple_files_and_extends_in_override_file(self):
base_file = config.ConfigFile(
'base.yaml',
{
'web': {'image': 'example/web'},
})
override_file = config.ConfigFile(
'override.yaml',
{
'web': {
'extends': {
'file': 'common.yml',
'service': 'base',
},
'volumes': ['/home/user/project:/code'],
},
})
details = config.ConfigDetails('.', [base_file, override_file])
tmpdir = py.test.ensuretemp('config_test')
self.addCleanup(tmpdir.remove)
tmpdir.join('common.yml').write("""
base:
labels: ['label=one']
""")
with tmpdir.as_cwd():
service_dicts = config.load(details).services
expected = [
{
'name': 'web',
'image': 'example/web',
'volumes': [VolumeSpec.parse('/home/user/project:/code')],
'labels': {'label': 'one'},
},
]
self.assertEqual(service_sort(service_dicts), service_sort(expected))
def test_load_with_multiple_files_and_invalid_override(self):
base_file = config.ConfigFile(
'base.yaml',
{'web': {'image': 'example/web'}})
override_file = config.ConfigFile(
'override.yaml',
{'bogus': 'thing'})
details = config.ConfigDetails('.', [base_file, override_file])
with pytest.raises(ConfigurationError) as exc:
config.load(details)
assert "service 'bogus' must be a mapping not a string." in exc.exconly()
assert "In file 'override.yaml'" in exc.exconly()
def test_load_sorts_in_dependency_order(self):
config_details = build_config_details({
'web': {
'image': 'busybox:latest',
'links': ['db'],
},
'db': {
'image': 'busybox:latest',
'volumes_from': ['volume:ro']
},
'volume': {
'image': 'busybox:latest',
'volumes': ['/tmp'],
}
})
services = config.load(config_details).services
assert services[0]['name'] == 'volume'
assert services[1]['name'] == 'db'
assert services[2]['name'] == 'web'
def test_config_build_configuration(self):
service = config.load(
build_config_details(
{'web': {
'build': '.',
'dockerfile': 'Dockerfile-alt'
}},
'tests/fixtures/extends',
'filename.yml'
)
).services
self.assertTrue('context' in service[0]['build'])
self.assertEqual(service[0]['build']['dockerfile'], 'Dockerfile-alt')
def test_config_build_configuration_v2(self):
# service.dockerfile is invalid in v2
with self.assertRaises(ConfigurationError):
config.load(
build_config_details(
{
'version': '2',
'services': {
'web': {
'build': '.',
'dockerfile': 'Dockerfile-alt'
}
}
},
'tests/fixtures/extends',
'filename.yml'
)
)
service = config.load(
build_config_details({
'version': '2',
'services': {
'web': {
'build': '.'
}
}
}, 'tests/fixtures/extends', 'filename.yml')
).services[0]
self.assertTrue('context' in service['build'])
service = config.load(
build_config_details(
{
'version': '2',
'services': {
'web': {
'build': {
'context': '.',
'dockerfile': 'Dockerfile-alt'
}
}
}
},
'tests/fixtures/extends',
'filename.yml'
)
).services
self.assertTrue('context' in service[0]['build'])
self.assertEqual(service[0]['build']['dockerfile'], 'Dockerfile-alt')
def test_load_with_buildargs(self):
service = config.load(
build_config_details(
{
'version': '2',
'services': {
'web': {
'build': {
'context': '.',
'dockerfile': 'Dockerfile-alt',
'args': {
'opt1': 42,
'opt2': 'foobar'
}
}
}
}
},
'tests/fixtures/extends',
'filename.yml'
)
).services[0]
assert 'args' in service['build']
assert 'opt1' in service['build']['args']
assert isinstance(service['build']['args']['opt1'], str)
assert service['build']['args']['opt1'] == '42'
assert service['build']['args']['opt2'] == 'foobar'
def test_build_args_allow_empty_properties(self):
service = config.load(
build_config_details(
{
'version': '2',
'services': {
'web': {
'build': {
'context': '.',
'dockerfile': 'Dockerfile-alt',
'args': {
'foo': None
}
}
}
}
},
'tests/fixtures/extends',
'filename.yml'
)
).services[0]
assert 'args' in service['build']
assert 'foo' in service['build']['args']
assert service['build']['args']['foo'] == ''
# If build argument is None then it will be converted to the empty
# string. Make sure that int zero kept as it is, i.e. not converted to
# the empty string
def test_build_args_check_zero_preserved(self):
service = config.load(
build_config_details(
{
'version': '2',
'services': {
'web': {
'build': {
'context': '.',
'dockerfile': 'Dockerfile-alt',
'args': {
'foo': 0
}
}
}
}
},
'tests/fixtures/extends',
'filename.yml'
)
).services[0]
assert 'args' in service['build']
assert 'foo' in service['build']['args']
assert service['build']['args']['foo'] == '0'
def test_load_with_multiple_files_mismatched_networks_format(self):
base_file = config.ConfigFile(
'base.yaml',
{
'version': '2',
'services': {
'web': {
'image': 'example/web',
'networks': {
'foobar': {'aliases': ['foo', 'bar']}
}
}
},
'networks': {'foobar': {}, 'baz': {}}
}
)
override_file = config.ConfigFile(
'override.yaml',
{
'version': '2',
'services': {
'web': {
'networks': ['baz']
}
}
}
)
details = config.ConfigDetails('.', [base_file, override_file])
web_service = config.load(details).services[0]
assert web_service['networks'] == {
'foobar': {'aliases': ['foo', 'bar']},
'baz': None
}
def test_load_with_multiple_files_v2(self):
base_file = config.ConfigFile(
'base.yaml',
{
'version': '2',
'services': {
'web': {
'image': 'example/web',
'depends_on': ['db'],
},
'db': {
'image': 'example/db',
}
},
})
override_file = config.ConfigFile(
'override.yaml',
{
'version': '2',
'services': {
'web': {
'build': '/',
'volumes': ['/home/user/project:/code'],
'depends_on': ['other'],
},
'other': {
'image': 'example/other',
}
}
})
details = config.ConfigDetails('.', [base_file, override_file])
service_dicts = config.load(details).services
expected = [
{
'name': 'web',
'build': {'context': os.path.abspath('/')},
'image': 'example/web',
'volumes': [VolumeSpec.parse('/home/user/project:/code')],
'depends_on': {
'db': {'condition': 'container_start'},
'other': {'condition': 'container_start'},
},
},
{
'name': 'db',
'image': 'example/db',
},
{
'name': 'other',
'image': 'example/other',
},
]
assert service_sort(service_dicts) == service_sort(expected)
def test_undeclared_volume_v2(self):
base_file = config.ConfigFile(
'base.yaml',
{
'version': '2',
'services': {
'web': {
'image': 'busybox:latest',
'volumes': ['data0028:/data:ro'],
},
},
}
)
details = config.ConfigDetails('.', [base_file])
with self.assertRaises(ConfigurationError):
config.load(details)
base_file = config.ConfigFile(
'base.yaml',
{
'version': '2',
'services': {
'web': {
'image': 'busybox:latest',
'volumes': ['./data0028:/data:ro'],
},
},
}
)
details = config.ConfigDetails('.', [base_file])
config_data = config.load(details)
volume = config_data.services[0].get('volumes')[0]
assert not volume.is_named_volume
def test_undeclared_volume_v1(self):
base_file = config.ConfigFile(
'base.yaml',
{
'web': {
'image': 'busybox:latest',
'volumes': ['data0028:/data:ro'],
},
}
)
details = config.ConfigDetails('.', [base_file])
config_data = config.load(details)
volume = config_data.services[0].get('volumes')[0]
assert volume.external == 'data0028'
assert volume.is_named_volume
def test_config_valid_service_names(self):
for valid_name in ['_', '-', '.__.', '_what-up.', 'what_.up----', 'whatup']:
services = config.load(
build_config_details(
{valid_name: {'image': 'busybox'}},
'tests/fixtures/extends',
'common.yml')).services
assert services[0]['name'] == valid_name
def test_config_hint(self):
with pytest.raises(ConfigurationError) as excinfo:
config.load(