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#!/usr/bin/env python
from argparse import ArgumentParser
import logging
from textwrap import dedent
import yaml
from deploy_stack import (
BootstrapManager,
)
from jujupy import (
ConditionList,
get_juju_home,
ModelClient,
FakeBackend,
FakeControllerState,
get_client_class,
)
from utility import (
add_basic_testing_arguments,
configure_logging,
)
def client_from_args(args):
"""Return client from args, as generated by parse_args.
If the path given is FAKE, fake_juju_client() is used. Otherwise, the
client is determined based on the path and version.
"""
if args.juju_bin == 'FAKE':
client_class = ModelClient
controller_state = FakeControllerState()
version = '2.0.0'
backend = FakeBackend(controller_state, full_path=args.juju_bin,
version=version)
else:
version = ModelClient.get_version(args.juju_bin)
client_class = get_client_class(version)
backend = None
juju_home = get_juju_home()
with open(args.clouds_file) as f:
clouds = yaml.safe_load(f)
if args.config is None:
config = {}
else:
with open(args.config) as f:
config = yaml.safe_load(f)
juju_data = client_class.config_class.from_cloud_region(
args.cloud, args.region, config, clouds, juju_home)
return client_class(juju_data, version, args.juju_bin, debug=args.debug,
soft_deadline=args.deadline, _backend=backend)
def assess_cloud_combined(bs_manager):
"""Assess several operations on a cloud.
This tests bootstrap, deploy, remove-unit and destroy-controller.
"""
client = bs_manager.client
with bs_manager.booted_context(upload_tools=False):
old_status = client.get_status()
client.juju('deploy', ('ubuntu'))
new_status = client.wait_for_started()
new_machines = [k for k, v in new_status.iter_new_machines(old_status)]
client.juju('remove-unit', 'ubuntu/0')
new_status = client.wait_for(
ConditionList([client.make_remove_machine_condition(n)
for n in new_machines]))
def assess_cloud_provisioning(bs_manager, series=None):
"""Assess provisioning operations on a cloud.
This was created for testing Azure streams. It tests bootstrap,
add-machine, remove-machine and destroy-controller. It does not test
charms.
It tests "trusty" and "win2012r2" as representative series on Azure. It
tests "trusty" rather than "xenial" because "xenial" will be used for
bootstrap by default.
"""
if series is None:
series = ['win2012r2', 'trusty', 'centos7']
logging.info(
'Testing provisioning for series: {}'.format(', '.join(series)))
client = bs_manager.client
with bs_manager.booted_context(upload_tools=False):
old_status = client.get_status()
for current_series in series:
client.juju('add-machine', ('--series', current_series))
new_status = client.wait_for_started()
new_machines = [k for k, v in new_status.iter_new_machines(old_status)]
conditions = []
for machine in new_machines:
conditions.append(client.remove_machine(machine))
new_status = client.wait_for(ConditionList(conditions))
def assess_cloud_kill_controller(bs_manager):
client = bs_manager.client
with bs_manager.booted_context(upload_tools=False):
controller_client = client.get_controller_client()
# We expect juju to die with a connection error (because we just
# stopped its jujud). This would normally be seen as a bug, so we
# suppress it.
controller_client.juju('run', (
'--machine', '0', 'sudo service jujud-machine-0 stop'),
check=False, suppress_err=True)
bs_manager.has_controller = False
def parse_args(args):
parser = ArgumentParser(description=dedent("""\
Test a specified cloud.
This tests basic provider operations and charm store support.
The cloud.yaml file must be provided, followed by the name of the
cloud to test.
"""))
subparsers = parser.add_subparsers(dest='test')
for test in ['combined', 'kill-controller', 'provisioning']:
subparser = subparsers.add_parser(test)
subparser.add_argument('clouds_file',
help='A clouds.yaml file to use for testing.')
subparser.add_argument('cloud', help='Specific cloud to test.')
add_basic_testing_arguments(subparser, env=False)
subparser.add_argument('--config')
if test == 'provisioning':
subparser.add_argument('--machine-series', action='append',
help='A machine series to add.')
return parser.parse_args(args)
def main(argv=None):
args = parse_args(argv)
configure_logging(args.verbose)
client = client_from_args(args)
bs_manager = BootstrapManager.from_client(args, client)
if args.test == 'combined':
assess_cloud_combined(bs_manager)
elif args.test == 'provisioning':
assess_cloud_provisioning(bs_manager, args.machine_series)
else:
assess_cloud_kill_controller(bs_manager)
if __name__ == '__main__':
main()
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