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from argparse import Namespace
import logging
import os
import pickle
import stat
import subprocess
from tempfile import NamedTemporaryFile
import unittest
from mock import (
call,
Mock,
patch,
)
from jujupy import (
EnvJujuClient,
JujuData,
)
from fakejuju import fake_juju_client
from run_deployer import (
apply_condition,
assess_deployer,
check_health,
CLOCK_SKEW_SCRIPT,
ErrUnitCondition,
main,
parse_args,
)
import tests
class TestParseArgs(tests.TestCase):
def test_parse_args(self):
args = parse_args(['/bundle/path', 'test_env', 'new/bin/juju',
'/tmp/logs', 'test_job'])
self.assertEqual(args.bundle_path, '/bundle/path')
self.assertEqual(args.env, 'test_env')
self.assertEqual(args.juju_bin, 'new/bin/juju')
self.assertEqual(args.logs, '/tmp/logs')
self.assertEqual(args.temp_env_name, 'test_job')
self.assertEqual(args.allow_native_deploy, False)
self.assertEqual(args.bundle_name, None)
self.assertEqual(args.health_cmd, None)
self.assertEqual(args.keep_env, False)
self.assertEqual(args.agent_url, None)
self.assertEqual(args.agent_stream, None)
self.assertEqual(args.series, None)
self.assertEqual(args.debug, False)
self.assertEqual(args.verbose, logging.INFO)
self.assertEqual(args.upgrade, False)
self.assertEqual(args.upgrade_condition, None)
self.assertEqual(args.agent_timeout, 1200)
self.assertEqual(args.workload_timeout, 1800)
def test_allow_native_bundle(self):
args = parse_args(['./bundle/path', 'an_env', './juju', './logs',
'temp_env', '--allow-native-deploy'])
self.assertEqual(args.bundle_path, './bundle/path')
self.assertEqual(args.env, 'an_env')
self.assertEqual(args.juju_bin, './juju')
self.assertEqual(args.logs, './logs')
self.assertEqual(args.temp_env_name, 'temp_env')
self.assertEqual(args.allow_native_deploy, True)
def test_native_bundle_no_name(self):
with tests.parse_error(self) as stderr:
parse_args(['./bundle/path', 'an_env', './juju', './logs',
'temp_env', '--allow-native-deploy',
'--bundle-name', 'specific_bundle'])
self.assertRegexpMatches(
stderr.getvalue(),
'error: cannot supply bundle name with native juju deploying$')
class TestMain(tests.FakeHomeTestCase):
def test_basic_args(self):
args = ['bundles', 'an-env', '/bin/juju', 'logs', 'deployer-env']
env = JujuData('an-env')
client = EnvJujuClient(env, '1.234-76', None)
with patch('run_deployer.client_from_config',
return_value=client) as c_mock:
with patch('run_deployer.boot_context'):
with patch('run_deployer.assess_deployer') as ad_mock:
main(args)
c_mock.assert_called_once_with('an-env', '/bin/juju', debug=False,
soft_deadline=None)
ad_mock.assert_called_once_with(parse_args(args), client, 1200, 1800)
def test_basic_args_native_deploy(self):
args = ['mediawiki-scalable.yaml', 'an-env', '/bin/juju', 'logs',
'deployer-env', '--allow-native-deploy',
'--bundle-verification-script',
'verify_mediawiki_bundle.py']
env = JujuData('an-env')
client = EnvJujuClient(env, '1.234-76', None)
with patch('run_deployer.client_from_config',
return_value=client) as c_mock:
with patch('run_deployer.boot_context'):
with patch('run_deployer.assess_deployer') as ad_mock:
with patch('run_deployer.run_command') as mb_mock:
main(args)
c_mock.assert_called_once_with('an-env', '/bin/juju', debug=False,
soft_deadline=None)
ad_mock.assert_called_once_with(parse_args(args), client, 1200, 1800)
client_ser = pickle.dumps(client)
mb_mock.assert_called_once_with(['verify_mediawiki_bundle.py',
client_ser])
def test_basic_args_native_deploy_landscape(self):
args = ['cs:~landscape/bundle/landscape-scalable', 'an-env',
'/bin/juju', 'logs', 'deployer-env',
'--allow-native-deploy',
'--bundle-verification-script',
'verify_landscape_bundle.py']
env = JujuData('an-env')
client = EnvJujuClient(env, '1.234-76', None)
with patch('run_deployer.client_from_config',
return_value=client) as c_mock:
with patch('run_deployer.boot_context'):
with patch('run_deployer.assess_deployer') as ad_mock:
with patch('run_deployer.run_command') as rc:
main(args)
c_mock.assert_called_once_with('an-env', '/bin/juju', debug=False,
soft_deadline=None)
ad_mock.assert_called_once_with(parse_args(args), client, 1200, 1800)
client_ser = pickle.dumps(client)
rc.assert_called_once_with(['verify_landscape_bundle.py',
client_ser])
class TestAssessDeployer(tests.TestCase):
@staticmethod
def make_args(temp_env_name='foo', env='bar', series=None, agent_url=None,
agent_stream=None, juju_bin='', logs=None, keep_env=False,
health_cmd=None, debug=False, bundle_path='bundle.yaml',
bundle_name='bu', verbose=logging.INFO, region=None,
upgrade=False, upgrade_condition=None,
allow_native_deploy=False):
return Namespace(
temp_env_name=temp_env_name, env=env, series=series,
agent_url=agent_url, agent_stream=agent_stream, juju_bin=juju_bin,
logs=logs, keep_env=keep_env, health_cmd=health_cmd, debug=debug,
bundle_path=bundle_path, bundle_name=bundle_name, verbose=verbose,
region=region, upgrade=upgrade,
allow_native_deploy=allow_native_deploy,
upgrade_condition=upgrade_condition)
def test_health(self):
args = self.make_args(health_cmd='/tmp/check')
client_mock = Mock(spec=EnvJujuClient)
with patch('run_deployer.check_health', autospec=True) as ch_mock:
assess_deployer(args, client_mock, 600, 1800)
client_mock.deployer.assert_called_once_with('bundle.yaml', 'bu')
client_mock.wait_for_workloads.assert_called_once_with(timeout=1800)
environ = client_mock._shell_environ()
ch_mock.assert_called_once_with('/tmp/check', 'foo', environ)
def test_upgrade(self):
args = self.make_args(juju_bin='new/juju', upgrade=True)
client_mock = Mock(spec=EnvJujuClient)
with patch('run_deployer.assess_upgrade', autospec=True) as au_mock:
assess_deployer(args, client_mock, 600, 1800)
client_mock.deployer.assert_called_once_with('bundle.yaml', 'bu')
client_mock.show_status.assert_called_once_with()
au_mock.assert_called_once_with(client_mock, 'new/juju')
self.assertEqual(
client_mock.wait_for_workloads.call_args_list,
[call(timeout=1800), call()])
def test_upgrade_and_health(self):
args = self.make_args(health_cmd='/tmp/check', juju_bin='new/juju',
upgrade=True)
client_mock = Mock(spec=EnvJujuClient)
with patch('run_deployer.assess_upgrade', autospec=True) as au_mock:
with patch('run_deployer.check_health', autospec=True) as ch_mock:
assess_deployer(args, client_mock, 600, 1800)
client_mock.deployer.assert_called_once_with('bundle.yaml', 'bu')
client_mock.show_status.assert_called_once_with()
au_mock.assert_called_once_with(client_mock, 'new/juju')
self.assertEqual(
client_mock.wait_for_workloads.call_args_list,
[call(timeout=1800), call()])
environ = client_mock._shell_environ()
self.assertEqual(
ch_mock.call_args_list, [call('/tmp/check', 'foo', environ)] * 2)
@patch('run_deployer.boot_context', autospec=True)
def test_run_deployer_upgrade(self, *args):
args = self.make_args(
juju_bin='baz/juju', upgrade=True,
upgrade_condition=['bla/0:clock_skew', 'foo/1:fill_disk'])
client = fake_juju_client()
client.bootstrap()
with patch('run_deployer.client_from_config', return_value=client):
with patch('run_deployer.apply_condition') as ac_mock:
with patch('run_deployer.assess_upgrade') as au_mock:
assess_deployer(args, client, 600, 1800)
self.assertEqual(2, ac_mock.call_count)
self.assertEqual(
ac_mock.call_args_list,
[call(client, 'bla/0:clock_skew'),
call(client, 'foo/1:fill_disk')])
au_mock.assert_called_once_with(client, 'baz/juju')
def test_allow_native_deploy(self):
args = self.make_args(allow_native_deploy=True)
client_mock = Mock(spec=EnvJujuClient)
assess_deployer(args, client_mock, 600, 1800)
client_mock.deploy_bundle.assert_called_once_with('bundle.yaml')
client_mock.wait_for_started.assert_called_once_with(timeout=600)
client_mock.wait_for_workloads.assert_called_once_with(timeout=1800)
class FakeRemote():
"""Fake remote class for testing."""
def __init__(self):
self.series = 'foo'
def is_windows(self):
return False
def run(self, command):
self.command = command
class TestApplyCondition(tests.TestCase):
def test_apply_condition_clock_skew(self):
client = fake_juju_client()
remote = FakeRemote()
with patch('run_deployer.remote_from_unit',
return_value=remote, autospec=True) as ru_mock:
apply_condition(client, 'bla/0:clock_skew')
ru_mock.assert_called_once_with(client, 'bla/0')
self.assertEqual(CLOCK_SKEW_SCRIPT, remote.command)
def test_apply_condition_raises_ErrUnitCondition(self):
client = fake_juju_client()
remote = FakeRemote()
with patch('run_deployer.remote_from_unit',
return_value=remote) as rfu_mock:
with self.assertRaises(ErrUnitCondition):
apply_condition(client, 'bla/0:foo')
rfu_mock.assert_called_once_with(client, 'bla/0')
class TestIsHealthy(unittest.TestCase):
def test_check_health(self):
SCRIPT = """#!/bin/bash\necho -n 'PASS'\nexit 0"""
with NamedTemporaryFile(delete=False) as health_script:
health_script.write(SCRIPT)
os.fchmod(health_script.fileno(), stat.S_IEXEC | stat.S_IREAD)
health_script.close()
with patch('logging.info') as lo_mock:
check_health(health_script.name)
os.unlink(health_script.name)
self.assertEqual(lo_mock.call_args[0][0],
'Health check output: PASS')
def test_check_health_with_env_name(self):
SCRIPT = """#!/bin/bash\necho -n \"PASS on $1\"\nexit 0"""
with NamedTemporaryFile(delete=False) as health_script:
health_script.write(SCRIPT)
os.fchmod(health_script.fileno(), stat.S_IEXEC | stat.S_IREAD)
health_script.close()
with patch('logging.info') as lo_mock:
check_health(health_script.name, 'foo')
os.unlink(health_script.name)
self.assertEqual(lo_mock.call_args[0][0],
'Health check output: PASS on foo')
def test_check_health_fail(self):
SCRIPT = """#!/bin/bash\necho -n 'FAIL'\nexit 1"""
with NamedTemporaryFile(delete=False) as health_script:
health_script.write(SCRIPT)
os.fchmod(health_script.fileno(), stat.S_IEXEC | stat.S_IREAD)
health_script.close()
with patch('logging.error') as le_mock:
with self.assertRaises(subprocess.CalledProcessError):
check_health(health_script.name)
os.unlink(health_script.name)
self.assertEqual(le_mock.call_args[0][0], 'FAIL')
def test_check_health_with_no_execute_perms(self):
SCRIPT = """#!/bin/bash\nexit 0"""
with NamedTemporaryFile(delete=False) as health_script:
health_script.write(SCRIPT)
os.fchmod(health_script.fileno(), stat.S_IREAD)
health_script.close()
with patch('logging.error') as le_mock:
with self.assertRaises(OSError):
check_health(health_script.name)
os.unlink(health_script.name)
self.assertRegexpMatches(
le_mock.call_args[0][0],
r'Failed to execute.*: \[Errno 13\].*')
|