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"""CloudStack plugin for integration tests."""
from __future__ import absolute_import, print_function
import json
import os
import re
import time
from lib.cloud import (
CloudProvider,
CloudEnvironment,
)
from lib.util import (
find_executable,
ApplicationError,
display,
SubprocessError,
is_shippable,
)
from lib.http import (
HttpClient,
urlparse,
)
from lib.docker_util import (
docker_run,
docker_rm,
docker_inspect,
docker_pull,
docker_network_inspect,
get_docker_container_id,
)
try:
# noinspection PyPep8Naming
import ConfigParser as configparser
except ImportError:
# noinspection PyUnresolvedReferences
import configparser
class CsCloudProvider(CloudProvider):
"""CloudStack cloud provider plugin. Sets up cloud resources before delegation."""
DOCKER_SIMULATOR_NAME = 'cloudstack-sim'
def __init__(self, args):
"""
:type args: TestConfig
"""
super(CsCloudProvider, self).__init__(args, config_extension='.ini')
self.image = 'ansible/ansible:cloudstack-simulator'
self.container_name = ''
self.endpoint = ''
self.host = ''
self.port = 0
def filter(self, targets, exclude):
"""Filter out the cloud tests when the necessary config and resources are not available.
:type targets: tuple[TestTarget]
:type exclude: list[str]
"""
if os.path.isfile(self.config_static_path):
return
docker = find_executable('docker')
if docker:
return
super(CsCloudProvider, self).filter(targets, exclude)
def setup(self):
"""Setup the cloud resource before delegation and register a cleanup callback."""
super(CsCloudProvider, self).setup()
if self._use_static_config():
self._setup_static()
else:
self._setup_dynamic()
def get_remote_ssh_options(self):
"""Get any additional options needed when delegating tests to a remote instance via SSH.
:rtype: list[str]
"""
if self.managed:
return ['-R', '8888:localhost:8888']
return []
def get_docker_run_options(self):
"""Get any additional options needed when delegating tests to a docker container.
:rtype: list[str]
"""
if self.managed:
return ['--link', self.DOCKER_SIMULATOR_NAME]
return []
def cleanup(self):
"""Clean up the cloud resource and any temporary configuration files after tests complete."""
if self.container_name:
if is_shippable():
docker_rm(self.args, self.container_name)
elif not self.args.explain:
display.notice('Remember to run `docker rm -f %s` when finished testing.' % self.container_name)
super(CsCloudProvider, self).cleanup()
def _setup_static(self):
"""Configure CloudStack tests for use with static configuration."""
parser = configparser.RawConfigParser()
parser.read(self.config_static_path)
self.endpoint = parser.get('cloudstack', 'endpoint')
parts = urlparse(self.endpoint)
self.host = parts.hostname
if not self.host:
raise ApplicationError('Could not determine host from endpoint: %s' % self.endpoint)
if parts.port:
self.port = parts.port
elif parts.scheme == 'http':
self.port = 80
elif parts.scheme == 'https':
self.port = 443
else:
raise ApplicationError('Could not determine port from endpoint: %s' % self.endpoint)
display.info('Read cs host "%s" and port %d from config: %s' % (self.host, self.port, self.config_static_path), verbosity=1)
self._wait_for_service()
def _setup_dynamic(self):
"""Create a CloudStack simulator using docker."""
config = self._read_config_template()
self.container_name = self.DOCKER_SIMULATOR_NAME
results = docker_inspect(self.args, self.container_name)
if results and not results[0]['State']['Running']:
docker_rm(self.args, self.container_name)
results = []
if results:
display.info('Using the existing CloudStack simulator docker container.', verbosity=1)
else:
display.info('Starting a new CloudStack simulator docker container.', verbosity=1)
docker_pull(self.args, self.image)
docker_run(self.args, self.image, ['-d', '-p', '8888:8888', '--name', self.container_name])
if not self.args.explain:
display.notice('The CloudStack simulator will probably be ready in 5 - 10 minutes.')
container_id = get_docker_container_id()
if container_id:
display.info('Running in docker container: %s' % container_id, verbosity=1)
self.host = self._get_simulator_address()
display.info('Found CloudStack simulator container address: %s' % self.host, verbosity=1)
else:
self.host = 'localhost'
self.port = 8888
self.endpoint = 'http://%s:%d' % (self.host, self.port)
self._wait_for_service()
if self.args.explain:
values = dict(
HOST=self.host,
PORT=str(self.port),
)
else:
credentials = self._get_credentials()
if self.args.docker:
host = self.DOCKER_SIMULATOR_NAME
else:
host = self.host
values = dict(
HOST=host,
PORT=str(self.port),
KEY=credentials['apikey'],
SECRET=credentials['secretkey'],
)
config = self._populate_config_template(config, values)
self._write_config(config)
def _get_simulator_address(self):
networks = docker_network_inspect(self.args, 'bridge')
try:
bridge = [network for network in networks if network['Name'] == 'bridge'][0]
containers = bridge['Containers']
container = [containers[container] for container in containers if containers[container]['Name'] == self.DOCKER_SIMULATOR_NAME][0]
return re.sub(r'/[0-9]+$', '', container['IPv4Address'])
except:
display.error('Failed to process the following docker network inspect output:\n%s' %
json.dumps(networks, indent=4, sort_keys=True))
raise
def _wait_for_service(self):
"""Wait for the CloudStack service endpoint to accept connections."""
if self.args.explain:
return
client = HttpClient(self.args, always=True)
endpoint = self.endpoint
for _ in range(1, 30):
display.info('Waiting for CloudStack service: %s' % endpoint, verbosity=1)
try:
client.get(endpoint)
return
except SubprocessError:
pass
time.sleep(30)
raise ApplicationError('Timeout waiting for CloudStack service.')
def _get_credentials(self):
"""Wait for the CloudStack simulator to return credentials.
:rtype: dict[str, str]
"""
client = HttpClient(self.args, always=True)
endpoint = '%s/admin.json' % self.endpoint
for _ in range(1, 30):
display.info('Waiting for CloudStack credentials: %s' % endpoint, verbosity=1)
response = client.get(endpoint)
if response.status_code == 200:
return response.json()
time.sleep(30)
raise ApplicationError('Timeout waiting for CloudStack credentials.')
class CsCloudEnvironment(CloudEnvironment):
"""CloudStack cloud environment plugin. Updates integration test environment after delegation."""
def configure_environment(self, env, cmd):
"""
:type env: dict[str, str]
:type cmd: list[str]
"""
changes = dict(
CLOUDSTACK_CONFIG=self.config_path,
)
env.update(changes)
cmd.append('-e')
cmd.append('cs_resource_prefix=%s' % self.resource_prefix)
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