ansible/test/lib/ansible_test/_internal/cloud/tower.py

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"""Tower plugin for integration tests."""
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
import os
import time
from ..util import (
display,
ApplicationError,
is_shippable,
SubprocessError,
ConfigParser,
)
from ..util_common import (
run_command,
)
from . import (
CloudProvider,
CloudEnvironment,
CloudEnvironmentConfig,
)
from ..core_ci import (
AnsibleCoreCI,
)
class TowerCloudProvider(CloudProvider):
"""Tower cloud provider plugin. Sets up cloud resources before delegation."""
def __init__(self, args):
"""
:type args: TestConfig
"""
super(TowerCloudProvider, self).__init__(args)
self.aci = None
self.version = ''
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
aci = get_tower_aci(self.args)
if os.path.isfile(aci.ci_key):
return
if is_shippable():
return
super(TowerCloudProvider, self).filter(targets, exclude)
def setup(self):
"""Setup the cloud resource before delegation and register a cleanup callback."""
super(TowerCloudProvider, self).setup()
if self._use_static_config():
self._setup_static()
else:
self._setup_dynamic()
def check_tower_version(self, fallback=None):
"""Check the Tower version being tested and determine the correct CLI version to use.
:type fallback: str | None
"""
tower_cli_version_map = {
'3.1.5': '3.1.8',
'3.2.3': '3.3.0',
'3.3.5': '3.3.3',
'3.4.3': '3.3.3',
}
cli_version = tower_cli_version_map.get(self.version, fallback)
if not cli_version:
raise ApplicationError('Mapping to ansible-tower-cli version required for Tower version: %s' % self.version)
self._set_cloud_config('tower_cli_version', cli_version)
def cleanup(self):
"""Clean up the cloud resource and any temporary configuration files after tests complete."""
# cleanup on success or failure is not yet supported due to how cleanup is called
if self.aci and self.args.remote_terminate == 'always':
self.aci.stop()
super(TowerCloudProvider, self).cleanup()
def _setup_static(self):
config = TowerConfig.parse(self.config_static_path)
self.version = config.version
self.check_tower_version()
def _setup_dynamic(self):
"""Request Tower credentials through the Ansible Core CI service."""
display.info('Provisioning %s cloud environment.' % self.platform, verbosity=1)
# temporary solution to allow version selection
self.version = os.environ.get('TOWER_VERSION', '3.2.3')
self.check_tower_version(os.environ.get('TOWER_CLI_VERSION'))
aci = get_tower_aci(self.args, self.version)
aci.start()
aci.wait()
connection = aci.get()
config = self._read_config_template()
if not self.args.explain:
self.aci = aci
values = dict(
VERSION=self.version,
HOST=connection.hostname,
USERNAME=connection.username,
PASSWORD=connection.password,
)
display.sensitive.add(values['PASSWORD'])
config = self._populate_config_template(config, values)
self._write_config(config)
class TowerCloudEnvironment(CloudEnvironment):
"""Tower cloud environment plugin. Updates integration test environment after delegation."""
def setup(self):
"""Setup which should be done once per environment instead of once per test target."""
self.setup_cli()
self.disable_pendo()
def setup_cli(self):
"""Install the correct Tower CLI for the version of Tower being tested."""
tower_cli_version = self._get_cloud_config('tower_cli_version')
display.info('Installing Tower CLI version: %s' % tower_cli_version)
cmd = self.args.pip_command + ['install', '--disable-pip-version-check', 'ansible-tower-cli==%s' % tower_cli_version]
run_command(self.args, cmd)
def disable_pendo(self):
"""Disable Pendo tracking."""
display.info('Disable Pendo tracking')
config = TowerConfig.parse(self.config_path)
# tower-cli does not recognize TOWER_ environment variables
cmd = ['tower-cli', 'setting', 'modify', 'PENDO_TRACKING_STATE', 'off',
'-h', config.host, '-u', config.username, '-p', config.password]
attempts = 60
while True:
attempts -= 1
try:
run_command(self.args, cmd, capture=True)
return
except SubprocessError as ex:
if not attempts:
raise ApplicationError('Timed out trying to disable Pendo tracking:\n%s' % ex)
time.sleep(5)
def get_environment_config(self):
"""
:rtype: CloudEnvironmentConfig
"""
config = TowerConfig.parse(self.config_path)
env_vars = config.environment
ansible_vars = dict((key.lower(), value) for key, value in env_vars.items())
return CloudEnvironmentConfig(
env_vars=env_vars,
ansible_vars=ansible_vars,
)
class TowerConfig:
"""Tower settings."""
def __init__(self, values):
self.version = values.get('version')
self.host = values.get('host')
self.username = values.get('username')
self.password = values.get('password')
if self.password:
display.sensitive.add(self.password)
@property
def environment(self):
"""Tower settings as environment variables.
:rtype: dict[str, str]
"""
env = dict(
TOWER_VERSION=self.version,
TOWER_HOST=self.host,
TOWER_USERNAME=self.username,
TOWER_PASSWORD=self.password,
)
return env
@staticmethod
def parse(path):
"""
:type path: str
:rtype: TowerConfig
"""
parser = ConfigParser()
parser.read(path)
keys = (
'version',
'host',
'username',
'password',
)
values = dict((k, parser.get('default', k)) for k in keys)
config = TowerConfig(values)
missing = [k for k in keys if not values.get(k)]
if missing:
raise ApplicationError('Missing or empty Tower configuration value(s): %s' % ', '.join(missing))
return config
def get_tower_aci(args, version=None):
"""
:type args: EnvironmentConfig
:type version: str | None
:rtype: AnsibleCoreCI
"""
if version:
persist = True
else:
version = ''
persist = False
return AnsibleCoreCI(args, 'tower', version, persist=persist, stage=args.remote_stage, provider=args.remote_provider)