def get_runner_module(name):
"""
Load runner driver and return reference to the runner driver module.
"""
# NOTE: For backward compatibility we also support "_" in place of "-"
from stevedore.exception import NoMatches
try:
module = get_plugin_instance(RUNNERS_NAMESPACE,
name,
invoke_on_load=False)
except NoMatches:
name = name.replace('_', '-')
try:
module = get_plugin_instance(RUNNERS_NAMESPACE,
name,
invoke_on_load=False)
except Exception as e:
available_runners = get_available_plugins(
namespace=RUNNERS_NAMESPACE)
available_runners = ', '.join(available_runners)
msg = (
'Failed to find runner %s. Make sure that the runner is available and installed '
'in StackStorm virtual environment. Available runners are: %s'
% (name, available_runners))
LOG.exception(msg)
raise exc.ActionRunnerCreateError('%s\n\n%s' %
(msg, six.text_type(e)))
return module
def get_callback_module(name):
"""
Retrieve runner callback module for the provided runner.
"""
# NOTE: For backward compatibility we also support "_" in place of "-"
from stevedore.exception import NoMatches
try:
module = get_plugin_instance(RUNNERS_CALLBACK_MODULES_NAMESPACE, name, invoke_on_load=False)
except NoMatches:
name = name.replace('_', '-')
module = get_plugin_instance(RUNNERS_CALLBACK_MODULES_NAMESPACE, name, invoke_on_load=False)
return module
def get_callback_module(name):
"""
Retrieve runner callback module for the provided runner.
"""
# NOTE: For backward compatibility we also support "_" in place of "-"
from stevedore.exception import NoMatches
try:
module = get_plugin_instance(RUNNERS_CALLBACK_MODULES_NAMESPACE,
name,
invoke_on_load=False)
except NoMatches:
name = name.replace('_', '-')
module = get_plugin_instance(RUNNERS_CALLBACK_MODULES_NAMESPACE,
name,
invoke_on_load=False)
return module
def get_runner(name, config=None):
"""
Load the module and return an instance of the runner.
"""
LOG.debug('Runner loading Python module: %s', name)
# NOTE: For backward compatibility we also support "_" in place of "-"
from stevedore.exception import NoMatches
try:
module = get_plugin_instance(RUNNERS_NAMESPACE,
name,
invoke_on_load=False)
except NoMatches:
name = name.replace('_', '-')
try:
module = get_plugin_instance(RUNNERS_NAMESPACE,
name,
invoke_on_load=False)
except Exception as e:
available_runners = get_available_plugins(
namespace=RUNNERS_NAMESPACE)
available_runners = ', '.join(available_runners)
msg = (
'Failed to find runner %s. Make sure that the runner is available and installed '
'in StackStorm virtual environment. Available runners are: %s'
% (name, available_runners))
LOG.exception(msg)
raise exc.ActionRunnerCreateError('%s\n\n%s' %
(msg, six.text_type(e)))
LOG.debug('Instance of runner module: %s', module)
if config:
runner_kwargs = {'config': config}
else:
runner_kwargs = {}
runner = module.get_runner(**runner_kwargs)
LOG.debug('Instance of runner: %s', runner)
return runner
def metrics_initialize():
"""Initialize metrics constant
"""
global METRICS
try:
METRICS = get_plugin_instance(PLUGIN_NAMESPACE, cfg.CONF.metrics.driver)
except (NoMatches, MultipleMatches, NoSuchOptError) as error:
raise PluginLoadError('Error loading metrics driver. Check configuration: %s', error)
return METRICS
def metrics_initialize():
"""Initialize metrics constant
"""
global METRICS
try:
METRICS = get_plugin_instance(PLUGIN_NAMESPACE, cfg.CONF.metrics.driver)
except (NoMatches, MultipleMatches, NoSuchOptError) as error:
raise PluginLoadError('Error loading metrics driver. Check configuration: %s', error)
return METRICS
def get_runner(name, config=None):
"""
Load the module and return an instance of the runner.
"""
LOG.debug('Runner loading Python module: %s', name)
# NOTE: For backward compatibility we also support "_" in place of "-"
from stevedore.exception import NoMatches
try:
module = get_plugin_instance(RUNNERS_NAMESPACE, name, invoke_on_load=False)
except NoMatches:
name = name.replace('_', '-')
try:
module = get_plugin_instance(RUNNERS_NAMESPACE, name, invoke_on_load=False)
except Exception as e:
available_runners = get_available_plugins(namespace=RUNNERS_NAMESPACE)
available_runners = ', '.join(available_runners)
msg = ('Failed to find runner %s. Make sure that the runner is available and installed '
'in StackStorm virtual environment. Available runners are: %s' %
(name, available_runners))
LOG.exception(msg)
raise exc.ActionRunnerCreateError('%s\n\n%s' % (msg, six.text_type(e)))
LOG.debug('Instance of runner module: %s', module)
if config:
runner_kwargs = {'config': config}
else:
runner_kwargs = {}
runner = module.get_runner(**runner_kwargs)
LOG.debug('Instance of runner: %s', runner)
return runner