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#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import copy
import json
import os
import shutil
import tempfile
import fixtures
from testtools import matchers
from tests.software_config import common
class HeatConfigTest(common.RunScriptTest):
fake_hooks = ['cfn-init', 'chef', 'puppet', 'salt', 'script',
'apply-config', 'hiera', 'json-file']
data = [
{
'id': '1111',
'group': 'chef',
'inputs': [{
'name': 'deploy_signal_id',
'value': 'mock://192.0.2.2/foo'
}],
'config': 'one'
}, {
'id': '2222',
'group': 'cfn-init',
'inputs': [],
'config': 'two'
}, {
'id': '3333',
'group': 'salt',
'inputs': [{'name': 'foo', 'value': 'bar'}],
'outputs': [{'name': 'foo'}],
'config': 'three'
}, {
'id': '4444',
'group': 'puppet',
'inputs': [],
'config': 'four'
}, {
'id': '5555',
'group': 'script',
'inputs': [{
'name': 'deploy_status_code', 'value': '-1'
}, {
'name': 'deploy_stderr', 'value': 'A bad thing happened'
}, {
'name': 'deploy_signal_id',
'value': 'mock://192.0.2.3/foo'
}],
'config': 'five'
}, {
'id': '6666',
'group': 'apply-config',
'inputs': [{'name': 'foo', 'value': 'bar'}],
'config': 'six'
}, {
'id': '7777',
'group': 'hiera',
'inputs': [],
'config': 'seven'
}, {
'id': '8888',
'group': 'json-file',
'inputs': [],
'config': 'eight'
}, {
'id': '9999',
'group': 'no-such-hook',
'inputs': [],
'config': 'nine'
}]
outputs = {
'chef': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
},
'cfn-init': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
},
'salt': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout',
'foo': 'bar'
},
'puppet': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
},
'script': {
'deploy_status_code': '-1',
'deploy_stderr': 'A bad thing happened',
'deploy_stdout': 'stdout'
},
'hiera': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
},
'json-file': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
},
'apply-config': {
'deploy_status_code': '0',
'deploy_stderr': 'stderr',
'deploy_stdout': 'stdout'
}
}
def setUp(self):
super(HeatConfigTest, self).setUp()
self.fake_hook_path = self.relative_path(__file__, 'hook-fake.py')
self.heat_config_path = self.relative_path(
__file__,
'../..',
'hot/software-config/elements',
'heat-config/os-refresh-config/configure.d/55-heat-config')
self.hooks_dir = self.useFixture(fixtures.TempDir())
self.deployed_dir = self.useFixture(fixtures.TempDir())
with open(self.fake_hook_path) as f:
fake_hook = f.read()
for hook in self.fake_hooks:
hook_name = self.hooks_dir.join(hook)
with open(hook_name, 'w') as f:
os.utime(hook_name, None)
f.write(fake_hook)
f.flush()
os.chmod(hook_name, 0o755)
self.env = os.environ.copy()
def write_config_file(self, data):
config_file = tempfile.NamedTemporaryFile()
config_file.write(json.dumps(data))
config_file.flush()
return config_file
def run_heat_config(self, data):
with self.write_config_file(data) as config_file:
self.env.update({
'HEAT_CONFIG_HOOKS': self.hooks_dir.join(),
'HEAT_CONFIG_DEPLOYED': self.deployed_dir.join(),
'HEAT_SHELL_CONFIG': config_file.name
})
returncode, stdout, stderr = self.run_cmd(
[self.heat_config_path], self.env)
self.assertEqual(0, returncode, stderr)
def test_hooks_exist(self):
self.assertThat(
self.hooks_dir.join('no-such-hook'),
matchers.Not(matchers.FileExists()))
for hook in self.fake_hooks:
hook_path = self.hooks_dir.join(hook)
self.assertThat(hook_path, matchers.FileExists())
def test_run_heat_config(self):
self.run_heat_config(self.data)
for config in self.data:
hook = config['group']
stdin_path = self.hooks_dir.join('%s.stdin' % hook)
stdout_path = self.hooks_dir.join('%s.stdout' % hook)
deployed_file = self.deployed_dir.join('%s.json' % config['id'])
if hook == 'no-such-hook':
self.assertThat(
stdin_path, matchers.Not(matchers.FileExists()))
self.assertThat(
stdout_path, matchers.Not(matchers.FileExists()))
continue
self.assertThat(stdin_path, matchers.FileExists())
self.assertThat(stdout_path, matchers.FileExists())
# parsed stdin should match the config item
self.assertEqual(config,
self.json_from_file(stdin_path))
# parsed stdin should match the written deployed file
self.assertEqual(config,
self.json_from_file(deployed_file))
self.assertEqual(self.outputs[hook],
self.json_from_file(stdout_path))
# clean up files in preparation for second run
os.remove(stdin_path)
os.remove(stdout_path)
# run again with no changes, assert no new files
self.run_heat_config(self.data)
for config in self.data:
hook = config['group']
stdin_path = self.hooks_dir.join('%s.stdin' % hook)
stdout_path = self.hooks_dir.join('%s.stdout' % hook)
self.assertThat(
stdin_path, matchers.Not(matchers.FileExists()))
self.assertThat(
stdout_path, matchers.Not(matchers.FileExists()))
# run again changing the puppet config
data = copy.deepcopy(self.data)
for config in data:
if config['id'] == '4444':
config['id'] = '44444444'
self.run_heat_config(data)
for config in self.data:
hook = config['group']
stdin_path = self.hooks_dir.join('%s.stdin' % hook)
stdout_path = self.hooks_dir.join('%s.stdout' % hook)
if hook == 'puppet':
self.assertThat(stdin_path, matchers.FileExists())
self.assertThat(stdout_path, matchers.FileExists())
else:
self.assertThat(
stdin_path, matchers.Not(matchers.FileExists()))
self.assertThat(
stdout_path, matchers.Not(matchers.FileExists()))
# run again with a different deployed_dir
old_deployed_dir = self.deployed_dir
self.env['HEAT_CONFIG_DEPLOYED_OLD'] = old_deployed_dir.join()
self.deployed_dir = self.useFixture(fixtures.TempDir())
# make sure the new deployed_dir doesn't exist to trigger the migration
shutil.rmtree(self.deployed_dir.join())
self.run_heat_config(data)
for config in self.data:
hook = config['group']
if hook == 'no-such-hook':
continue
deployed_file = self.deployed_dir.join('%s.json' % config['id'])
old_deployed_file = old_deployed_dir.join('%s.json' % config['id'])
self.assertEqual(config,
self.json_from_file(deployed_file))
self.assertThat(
old_deployed_file, matchers.Not(matchers.FileExists()))
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