604 lines
22 KiB
Python
604 lines
22 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import collections
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import inspect
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import json
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import mock
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import tenacity
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from paunch.builder import compose1
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from paunch import runner
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from paunch.tests import base
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class TestComposeV1Builder(base.TestCase):
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@mock.patch("psutil.Process.cpu_affinity", return_value=[0, 1, 2, 3])
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def test_apply(self, mock_cpu):
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orig_call = tenacity.wait.wait_random_exponential.__call__
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orig_argspec = inspect.getargspec(orig_call)
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config = {
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'one': {
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'start_order': 0,
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'image': 'centos:7',
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},
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'two': {
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'start_order': 1,
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'image': 'centos:7',
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},
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'three': {
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'start_order': 2,
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'image': 'centos:6',
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},
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'four': {
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'start_order': 10,
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'image': 'centos:7',
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},
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'four_ls': {
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'action': 'exec',
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'start_order': 20,
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'command': ['four', 'ls', '-l', '/']
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}
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}
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r = runner.DockerRunner(managed_by='tester', docker_cmd='docker')
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exe = mock.Mock()
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exe.side_effect = [
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('exists', '', 0), # inspect for image centos:6
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('', '', 1), # inspect for missing image centos:7
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('Pulled centos:7', 'ouch', 1), # pull centos:6 fails
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('Pulled centos:7', '', 0), # pull centos:6 succeeds
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('', '', 0), # ps for delete_missing_and_updated container_names
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('', '', 0), # ps for after delete_missing_and_updated renames
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('', '', 0), # ps to only create containers which don't exist
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('Created one-12345678', '', 0),
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('Created two-12345678', '', 0),
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('Created three-12345678', '', 0),
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('Created four-12345678', '', 0),
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('a\nb\nc', '', 0)
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]
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r.discover_container_name = lambda n, c: '%s-12345678' % n
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r.unique_container_name = lambda n: '%s-12345678' % n
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r.execute = exe
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with mock.patch('tenacity.wait.wait_random_exponential.__call__') as f:
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f.return_value = 0
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with mock.patch('inspect.getargspec') as mock_args:
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mock_args.return_value = orig_argspec
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builder = compose1.ComposeV1Builder('foo', config, r)
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stdout, stderr, deploy_status_code = builder.apply()
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self.assertEqual(0, deploy_status_code)
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self.assertEqual([
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'Pulled centos:7',
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'Created one-12345678',
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'Created two-12345678',
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'Created three-12345678',
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'Created four-12345678',
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'a\nb\nc'
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], stdout)
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self.assertEqual([], stderr)
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exe.assert_has_calls([
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# inspect existing image centos:6
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mock.call(
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['docker', 'inspect', '--type', 'image',
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'--format', 'exists', 'centos:6'], mock.ANY
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),
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# inspect and pull missing image centos:7
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mock.call(
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['docker', 'inspect', '--type', 'image',
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'--format', 'exists', 'centos:7'], mock.ANY
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),
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# first pull attempt fails
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mock.call(
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['docker', 'pull', 'centos:7'], mock.ANY
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),
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# second pull attempt succeeds
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mock.call(
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['docker', 'pull', 'centos:7'], mock.ANY
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),
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# ps for delete_missing_and_updated container_names
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--filter', 'label=config_id=foo',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# ps for after delete_missing_and_updated renames
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# ps to only create containers which don't exist
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--filter', 'label=config_id=foo',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# run one
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mock.call(
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['docker', 'run', '--name', 'one-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=one',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['one']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# run two
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mock.call(
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['docker', 'run', '--name', 'two-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=two',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['two']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# run three
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mock.call(
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['docker', 'run', '--name', 'three-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=three',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['three']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:6'],
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mock.ANY
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),
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# run four
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mock.call(
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['docker', 'run', '--name', 'four-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=four',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['four']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# execute within four
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mock.call(
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['docker', 'exec', 'four-12345678', 'ls', '-l', '/'], mock.ANY
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),
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])
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@mock.patch("psutil.Process.cpu_affinity", return_value=[0, 1, 2, 3])
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def test_apply_idempotency(self, mock_cpu):
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config = {
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# not running yet
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'one': {
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'start_order': 0,
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'image': 'centos:7',
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},
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# running, but with a different config
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'two': {
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'start_order': 1,
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'image': 'centos:7',
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},
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# running with the same config
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'three': {
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'start_order': 2,
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'image': 'centos:7',
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},
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# not running yet
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'four': {
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'start_order': 10,
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'image': 'centos:7',
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},
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'four_ls': {
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'action': 'exec',
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'start_order': 20,
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'command': ['four', 'ls', '-l', '/']
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}
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}
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r = runner.DockerRunner(managed_by='tester', docker_cmd='docker')
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exe = mock.Mock()
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exe.side_effect = [
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# inspect for image centos:7
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('exists', '', 0),
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# ps for delete_missing_and_updated container_names
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('''five five
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six six
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two-12345678 two
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three-12345678 three''', '', 0),
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# stop five
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('', '', 0),
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# rm five
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('', '', 0),
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# stop six
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('', '', 0),
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# rm six
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('', '', 0),
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# inspect two
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('{"start_order": 1, "image": "centos:6"}', '', 0),
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# stop two, changed config data
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('', '', 0),
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# rm two, changed config data
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('', '', 0),
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# inspect three
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('{"start_order": 2, "image": "centos:7"}', '', 0),
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# ps for after delete_missing_and_updated renames
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('', '', 0),
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# ps to only create containers which don't exist
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('three-12345678 three', '', 0),
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('Created one-12345678', '', 0),
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('Created two-12345678', '', 0),
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('Created four-12345678', '', 0),
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('a\nb\nc', '', 0)
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]
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r.discover_container_name = lambda n, c: '%s-12345678' % n
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r.unique_container_name = lambda n: '%s-12345678' % n
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r.execute = exe
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builder = compose1.ComposeV1Builder('foo', config, r)
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stdout, stderr, deploy_status_code = builder.apply()
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self.assertEqual(0, deploy_status_code)
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self.assertEqual([
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'Created one-12345678',
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'Created two-12345678',
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'Created four-12345678',
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'a\nb\nc'
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], stdout)
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self.assertEqual([], stderr)
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exe.assert_has_calls([
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# inspect image centos:7
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mock.call(
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['docker', 'inspect', '--type', 'image',
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'--format', 'exists', 'centos:7'], mock.ANY
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),
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# ps for delete_missing_and_updated container_names
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--filter', 'label=config_id=foo',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# rm containers not in config
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mock.call(['docker', 'stop', 'five'], mock.ANY),
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mock.call(['docker', 'rm', 'five'], mock.ANY),
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mock.call(['docker', 'stop', 'six'], mock.ANY),
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mock.call(['docker', 'rm', 'six'], mock.ANY),
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# rm two, changed config
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mock.call(['docker', 'inspect', '--type', 'container',
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'--format', '{{index .Config.Labels "config_data"}}',
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'two-12345678'], mock.ANY),
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mock.call(['docker', 'stop', 'two-12345678'], mock.ANY),
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mock.call(['docker', 'rm', 'two-12345678'], mock.ANY),
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# check three, config hasn't changed
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mock.call(['docker', 'inspect', '--type', 'container',
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'--format', '{{index .Config.Labels "config_data"}}',
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'three-12345678'], mock.ANY),
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# ps for after delete_missing_and_updated renames
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# ps to only create containers which don't exist
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mock.call(
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['docker', 'ps', '-a',
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'--filter', 'label=managed_by=tester',
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'--filter', 'label=config_id=foo',
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'--format', '{{.Names}} {{.Label "container_name"}}'],
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mock.ANY
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),
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# run one
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mock.call(
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['docker', 'run', '--name', 'one-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=one',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['one']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# run two
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mock.call(
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['docker', 'run', '--name', 'two-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=two',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['two']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# don't run three, its already running
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# run four
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mock.call(
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['docker', 'run', '--name', 'four-12345678',
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'--label', 'config_id=foo',
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'--label', 'container_name=four',
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'--label', 'managed_by=tester',
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'--label', 'config_data=%s' % json.dumps(config['four']),
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'--detach=true', '--cpuset-cpus=0,1,2,3', 'centos:7'],
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mock.ANY
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),
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# execute within four
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mock.call(
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['docker', 'exec', 'four-12345678', 'ls', '-l', '/'], mock.ANY
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),
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])
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def test_apply_failed_pull(self):
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orig_call = tenacity.wait.wait_random_exponential.__call__
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orig_argspec = inspect.getargspec(orig_call)
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config = {
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'one': {
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'start_order': 0,
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'image': 'centos:7',
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},
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'two': {
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'start_order': 1,
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'image': 'centos:7',
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},
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'three': {
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'start_order': 2,
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'image': 'centos:6',
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},
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'four': {
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'start_order': 10,
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'image': 'centos:7',
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},
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'four_ls': {
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'action': 'exec',
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'start_order': 20,
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'command': ['four', 'ls', '-l', '/']
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}
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}
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r = runner.DockerRunner(managed_by='tester', docker_cmd='docker')
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exe = mock.Mock()
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exe.side_effect = [
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('exists', '', 0), # inspect for image centos:6
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('', '', 1), # inspect for missing image centos:7
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('Pulling centos:7', 'ouch', 1), # pull centos:7 failure
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('Pulling centos:7', 'ouch', 1), # pull centos:7 retry 2
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('Pulling centos:7', 'ouch', 1), # pull centos:7 retry 3
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('Pulling centos:7', 'ouch', 1), # pull centos:7 retry 4
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]
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r.execute = exe
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with mock.patch('tenacity.wait.wait_random_exponential.__call__') as f:
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f.return_value = 0
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with mock.patch('inspect.getargspec') as mock_args:
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mock_args.return_value = orig_argspec
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builder = compose1.ComposeV1Builder('foo', config, r)
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stdout, stderr, deploy_status_code = builder.apply()
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self.assertEqual(1, deploy_status_code)
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self.assertEqual(['Pulling centos:7'], stdout)
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self.assertEqual(['ouch'], stderr)
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exe.assert_has_calls([
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# inspect existing image centos:6
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mock.call(
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['docker', 'inspect', '--type', 'image',
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'--format', 'exists', 'centos:6'], mock.ANY
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),
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# inspect and pull missing image centos:7
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mock.call(
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['docker', 'inspect', '--type', 'image',
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'--format', 'exists', 'centos:7'], mock.ANY
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),
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mock.call(
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['docker', 'pull', 'centos:7'], mock.ANY
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),
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])
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@mock.patch('paunch.runner.DockerRunner', autospec=True)
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def test_label_arguments(self, runner):
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r = runner.return_value
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r.managed_by = 'tester'
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builder = compose1.ComposeV1Builder('foo', {}, r)
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cmd = []
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builder.label_arguments(cmd, 'one')
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self.assertEqual(
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['--label', 'config_id=foo',
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'--label', 'container_name=one',
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'--label', 'managed_by=tester',
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'--label', 'config_data=null'],
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cmd)
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labels = collections.OrderedDict()
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labels['foo'] = 'bar'
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labels['bar'] = 'baz'
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builder = compose1.ComposeV1Builder('foo', {}, r, labels=labels)
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cmd = []
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builder.label_arguments(cmd, 'one')
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self.assertEqual(
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['--label', 'foo=bar',
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'--label', 'bar=baz',
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'--label', 'config_id=foo',
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'--label', 'container_name=one',
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'--label', 'managed_by=tester',
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'--label', 'config_data=null'],
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cmd)
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@mock.patch("psutil.Process.cpu_affinity", return_value=[0, 1, 2, 3])
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def test_docker_run_args(self, mock_cpu):
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config = {
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'one': {
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'image': 'centos:7',
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'privileged': True,
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'user': 'bar',
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'net': 'host',
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'ipc': 'host',
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'pid': 'container:bar',
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'uts': 'host',
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'restart': 'always',
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'healthcheck': {
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'test': '/bin/true',
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'interval': '30s',
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'timeout': '10s',
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'retries': 3
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},
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'env_file': '/tmp/foo.env',
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'log_tag': '{{.ImageName}}/{{.Name}}/{{.ID}}',
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'cpu_shares': 600,
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'security_opt': 'label:disable',
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'cpuset_cpus': 'all',
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'mem_limit': '1G',
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'memswap_limit': '1G',
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'mem_swappiness': '60'
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}
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}
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builder = compose1.ComposeV1Builder('foo', config, None)
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cmd = ['docker', 'run', '--name', 'one']
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builder.docker_run_args(cmd, 'one')
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self.assertEqual(
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['docker', 'run', '--name', 'one',
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'--detach=true', '--env-file=/tmp/foo.env',
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'--net=host', '--ipc=host', '--pid=container:bar',
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'--uts=host', '--health-cmd=/bin/true', '--health-interval=30s',
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'--health-timeout=10s', '--health-retries=3',
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'--privileged=true', '--restart=always', '--user=bar',
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'--log-opt=tag={{.ImageName}}/{{.Name}}/{{.ID}}',
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'--cpu-shares=600',
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'--security-opt=label:disable',
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'--memory=1G',
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'--memory-swap=1G',
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'--memory-swappiness=60',
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'centos:7'],
|
|
cmd
|
|
)
|
|
|
|
@mock.patch("psutil.Process.cpu_affinity", return_value=[0, 1, 2, 3])
|
|
def test_docker_run_args_lists(self, mock_cpu):
|
|
config = {
|
|
'one': {
|
|
'image': 'centos:7',
|
|
'detach': False,
|
|
'command': 'ls -l /foo',
|
|
'remove': True,
|
|
'tty': True,
|
|
'interactive': True,
|
|
'environment': ['FOO=BAR', 'BAR=BAZ'],
|
|
'env_file': ['/tmp/foo.env', '/tmp/bar.env'],
|
|
'ulimit': ['nofile=1024', 'nproc=1024'],
|
|
'volumes': ['/foo:/foo:rw', '/bar:/bar:ro'],
|
|
'volumes_from': ['two', 'three']
|
|
}
|
|
}
|
|
builder = compose1.ComposeV1Builder('foo', config, None)
|
|
|
|
cmd = ['docker', 'run', '--name', 'one']
|
|
builder.docker_run_args(cmd, 'one')
|
|
self.assertEqual(
|
|
['docker', 'run', '--name', 'one',
|
|
'--env-file=/tmp/foo.env', '--env-file=/tmp/bar.env',
|
|
'--env=FOO=BAR', '--env=BAR=BAZ',
|
|
'--rm', '--interactive', '--tty',
|
|
'--ulimit=nofile=1024', '--ulimit=nproc=1024',
|
|
'--volume=/foo:/foo:rw', '--volume=/bar:/bar:ro',
|
|
'--volumes-from=two', '--volumes-from=three',
|
|
'--cpuset-cpus=0,1,2,3',
|
|
'centos:7', 'ls', '-l', '/foo'],
|
|
cmd
|
|
)
|
|
|
|
@mock.patch("psutil.Process.cpu_affinity", return_value=[0, 1, 2, 3])
|
|
def test_docker_run_args_lists_with_cpu(self, mock_cpu):
|
|
config = {
|
|
'one': {
|
|
'image': 'centos:7',
|
|
'detach': False,
|
|
'command': 'ls -l /foo',
|
|
'remove': True,
|
|
'tty': True,
|
|
'interactive': True,
|
|
'environment': ['FOO=BAR', 'BAR=BAZ'],
|
|
'env_file': ['/tmp/foo.env', '/tmp/bar.env'],
|
|
'ulimit': ['nofile=1024', 'nproc=1024'],
|
|
'volumes': ['/foo:/foo:rw', '/bar:/bar:ro'],
|
|
'volumes_from': ['two', 'three'],
|
|
'cpuset_cpus': '0-2',
|
|
}
|
|
}
|
|
builder = compose1.ComposeV1Builder('foo', config, None)
|
|
|
|
cmd = ['docker', 'run', '--name', 'one']
|
|
builder.docker_run_args(cmd, 'one')
|
|
self.assertEqual(
|
|
['docker', 'run', '--name', 'one',
|
|
'--env-file=/tmp/foo.env', '--env-file=/tmp/bar.env',
|
|
'--env=FOO=BAR', '--env=BAR=BAZ',
|
|
'--rm', '--interactive', '--tty',
|
|
'--ulimit=nofile=1024', '--ulimit=nproc=1024',
|
|
'--volume=/foo:/foo:rw', '--volume=/bar:/bar:ro',
|
|
'--volumes-from=two', '--volumes-from=three',
|
|
'--cpuset-cpus=0-2',
|
|
'centos:7', 'ls', '-l', '/foo'],
|
|
cmd
|
|
)
|
|
|
|
@mock.patch('paunch.runner.DockerRunner', autospec=True)
|
|
def test_docker_exec_args(self, runner):
|
|
r = runner.return_value
|
|
r.discover_container_name.return_value = 'one-12345678'
|
|
config = {
|
|
'one': {
|
|
'command': 'ls -l /foo',
|
|
'privileged': True,
|
|
'environment': ['FOO=BAR'],
|
|
'user': 'bar'
|
|
}
|
|
}
|
|
self.builder = compose1.ComposeV1Builder(
|
|
'foo', config, runner.return_value)
|
|
|
|
cmd = ['docker', 'exec']
|
|
self.builder.docker_exec_args(cmd, 'one')
|
|
self.assertEqual(
|
|
['docker', 'exec',
|
|
'--privileged=true', '--user=bar',
|
|
'--env=FOO=BAR',
|
|
'one-12345678', '-l', '/foo'],
|
|
cmd
|
|
)
|
|
|
|
def test_command_argument(self):
|
|
b = compose1.ComposeV1Builder
|
|
self.assertEqual([], b.command_argument(None))
|
|
self.assertEqual([], b.command_argument(''))
|
|
self.assertEqual([], b.command_argument([]))
|
|
self.assertEqual(
|
|
['ls', '-l', '/foo-bar'],
|
|
b.command_argument(['ls', '-l', '/foo-bar'])
|
|
)
|
|
self.assertEqual(
|
|
['ls', '-l', '/foo-bar'],
|
|
b.command_argument('ls -l /foo-bar')
|
|
)
|
|
self.assertEqual(
|
|
['ls', '-l', '/foo bar'],
|
|
b.command_argument(['ls', '-l', '/foo bar'])
|
|
)
|
|
# don't expect quoted spaces to do the right thing
|
|
self.assertEqual(
|
|
['ls', '-l', '"/foo', 'bar"'],
|
|
b.command_argument('ls -l "/foo bar"')
|
|
)
|