def start(self):
# Anything to start?
am_started = 0
apps_to_start = self._get_apps_to_start()
if not apps_to_start:
return am_started
# Select how we are going to start it
run_type = self._fetch_run_type()
starter = importer.import_entry_point(run_type)(self)
for app_info in apps_to_start:
app_name = app_info["name"]
app_pth = app_info.get("path", app_name)
app_dir = app_info.get("app_dir", self.get_option('app_dir'))
# Adjust the program options now that we have real locations
program_opts = utils.param_replace_list(self._get_app_options(app_name), self._get_param_map(app_name))
# Start it with the given settings
LOG.debug("Starting %r using %r", app_name, run_type)
details_fn = starter.start(app_name, app_pth=app_pth, app_dir=app_dir, opts=program_opts)
LOG.info("Started %s details are in %s", colorizer.quote(app_name), colorizer.quote(details_fn))
# This trace is used to locate details about what to stop
self.tracewriter.app_started(app_name, details_fn, run_type)
if app_info.get('sleep_time'):
LOG.info("%s requested a %s second sleep time, please wait...", colorizer.quote(app_name), app_info.get('sleep_time'))
sh.sleep(app_info.get('sleep_time'))
am_started += 1
return am_started
def __init__(self, installer):
super(QuantumConfigurator, self).__init__(installer, CONFIGS)
self.core_plugin = installer.get_option("core_plugin")
self.plugin_configurator = importer.import_entry_point(
"anvil.components.configurators.quantum_plugins.%s:%sConfigurator" %
(self.core_plugin, self.core_plugin.title()))(installer)
self.config_adjusters = {
PASTE_CONF: self._config_adjust_paste,
API_CONF: self._config_adjust_api,
}
self.config_adjusters.update(self.plugin_configurator.config_adjusters)
def make_packager(package, default_class, **kwargs):
packager_name = package.get("packager_name") or ""
packager_name = packager_name.strip()
if packager_name:
packager_cls = importer.import_entry_point(packager_name)
else:
packager_cls = default_class
if packager_cls in _PACKAGERS:
return _PACKAGERS[packager_cls]
p = packager_cls(**kwargs)
_PACKAGERS[packager_cls] = p
return p
def make_packager(package, default_class, **kwargs):
packager_name = package.get('packager_name') or ''
packager_name = packager_name.strip()
if packager_name:
packager_cls = importer.import_entry_point(packager_name)
else:
packager_cls = default_class
if packager_cls in _PACKAGERS:
return _PACKAGERS[packager_cls]
p = packager_cls(**kwargs)
_PACKAGERS[packager_cls] = p
return p
def extract_component(self, name, action):
"""Return the class + component info to use for doing the action w/the component."""
try:
# Use a copy instead of the original
component_info = copy.deepcopy(self._components[name])
action_classes = dict(component_info['action_classes'])
entry_point = action_classes[action]
del action_classes[action]
cls = importer.import_entry_point(entry_point)
return ((cls, component_info), action_classes)
except KeyError:
raise RuntimeError('No class configured to %r %r on %r' %
(action, name, self.name))
def extract_component(self, name, action):
"""Return the class + component info to use for doing the action w/the component."""
try:
# Use a copy instead of the original
component_info = copy.deepcopy(self._components[name])
action_classes = component_info['action_classes']
entry_point = action_classes[action]
del action_classes[action]
cls = importer.import_entry_point(entry_point)
return ((cls, component_info), action_classes)
except KeyError:
raise RuntimeError('No class configured to %r %r on %r' %
(action, name, self.name))
def get_packager_for(self, pkg_info):
packager_name = pkg_info.get(self.PACKAGER_KEY_NAME)
if not packager_name or not packager_name.strip():
packager = self._get_default_pkgr()
else:
if packager_name in self.fetched_packagers:
packager = self.fetched_packagers[packager_name]
else:
packager_cls = importer.import_entry_point(packager_name)
LOG.debug('Loading custom package manager %s for package %r', packager_cls, pkg_info['name'])
packager = self._construct_pkger(packager_cls)
self.fetched_packagers[packager_name] = packager
return packager
def _construct_siblings(self, name, siblings, params, sibling_instances):
there_siblings = {}
for (action, cls_name) in siblings.items():
if action not in sibling_instances:
sibling_instances[action] = {}
cls = importer.import_entry_point(cls_name)
sibling_params = utils.merge_dicts(params, self.cli_opts, preserve=True)
sibling_params["instances"] = sibling_instances[action]
LOG.debug("Construction of sibling component %r (%r) params are:", name, action)
utils.log_object(sibling_params, logger=LOG, level=logging.DEBUG)
a_sibling = cls(**sibling_params)
# Update the sibling we are returning and the corresponding
# siblings for that action (so that the sibling can have the
# correct 'sibling' instances associated with it, if it needs those...)
there_siblings[action] = a_sibling
sibling_instances[action][name] = a_sibling
return there_siblings
def __init__(self, installer):
super(NeutronConfigurator, self).__init__(installer, CONFIGS)
self.core_plugin = installer.get_option("core_plugin")
self.plugin_configurators = {
'core_plugin': importer.import_entry_point(
"anvil.components.configurators.neutron_plugins.%s:%sConfigurator" %
(self.core_plugin, self.core_plugin.title()))(installer),
'l3': l3.L3Configurator(installer),
'dhcp': dhcp.DhcpConfigurator(installer),
}
self.config_adjusters = {
PASTE_CONF: self._config_adjust_paste,
API_CONF: self._config_adjust_api,
}
for plugin_configurator in self.plugin_configurators.values():
self.config_adjusters.update(plugin_configurator.config_adjusters)
def _locate_investigators(self, apps_started):
investigators = dict()
to_investigate = list()
for (app_name, trace_fn, how) in apps_started:
inv_cls = None
try:
inv_cls = importer.import_entry_point(how)
except RuntimeError as e:
LOG.warn("Could not load class %s which should be used to investigate %s: %s",
colorizer.quote(how), colorizer.quote(app_name), e)
continue
investigator = None
if inv_cls in investigators:
investigator = investigators[inv_cls]
else:
investigator = inv_cls(self)
investigators[inv_cls] = investigator
to_investigate.append((app_name, investigator))
return to_investigate
def _construct_siblings(self, name, siblings, params, sibling_instances):
there_siblings = {}
for (action, cls_name) in siblings.items():
if action not in sibling_instances:
sibling_instances[action] = {}
cls = importer.import_entry_point(cls_name)
sibling_params = utils.merge_dicts(params,
self.cli_opts,
preserve=True)
sibling_params['instances'] = sibling_instances[action]
LOG.debug("Construction of sibling component %r (%r) params are:",
name, action)
utils.log_object(sibling_params, logger=LOG, level=logging.DEBUG)
a_sibling = cls(**sibling_params)
# Update the sibling we are returning and the corresponding
# siblings for that action (so that the sibling can have the
# correct 'sibling' instances associated with it, if it needs those...)
there_siblings[action] = a_sibling
sibling_instances[action][name] = a_sibling
return there_siblings
def __init__(self, installer):
super(NeutronConfigurator, self).__init__(installer, CONFIGS)
self.core_plugin = installer.get_option("core_plugin")
self.plugin_configurators = {
'core_plugin':
importer.import_entry_point(
"anvil.components.configurators.neutron_plugins.%s:%sConfigurator"
% (self.core_plugin, self.core_plugin.title()))(installer),
'l3':
l3.L3Configurator(installer),
'dhcp':
dhcp.DhcpConfigurator(installer),
}
self.config_adjusters = {
PASTE_CONF: self._config_adjust_paste,
API_CONF: self._config_adjust_api,
}
for plugin_configurator in self.plugin_configurators.values():
self.config_adjusters.update(plugin_configurator.config_adjusters)
def configure(self):
# Anything to configure for starting?
apps_to_start = self._get_apps_to_start()
am_configured = 0
if not apps_to_start:
return am_configured
# First make a pass and make sure all runtime
# (e.g. upstart starting)
# config files are in place....
run_type = self._fetch_run_type()
configurer = importer.import_entry_point(run_type)(self)
for app_info in apps_to_start:
app_name = app_info["name"]
app_pth = app_info.get("path", app_name)
app_dir = app_info.get("app_dir", self.get_option('app_dir'))
# Configure it with the given settings
LOG.debug("Configuring runner %r for program %r", run_type, app_name)
cfg_am = configurer.configure(app_name,
app_pth=app_pth, app_dir=app_dir,
opts=utils.param_replace_list(self._get_app_options(app_name), self._get_param_map(app_name)))
LOG.debug("Configured %s files for runner for program %r", cfg_am, app_name)
am_configured += cfg_am
return am_configured
def get_packager_class(package_info, default_packager_class=None):
packager_name = package_info.get('packager_name') or ''
packager_name = packager_name.strip()
if not packager_name:
return default_packager_class
return importer.import_entry_point(packager_name)
def install_helper_class(self):
"""Return an install helper that will work for this distro."""
return importer.import_entry_point(self._install_helper)
def get_default_package_manager_cls(self):
"""Return a package manager that will work for this distro."""
return importer.import_entry_point(self._packager_name)
def package_manager_class(self):
"""Return a package manager that will work for this distro."""
return importer.import_entry_point(self._packager_name)
def __init__(self, cfg):
# Late load since its using a client lib that is only avail after install...
self.cfg = cfg
client_cls = importer.import_entry_point("keystoneclient.v2_0.client:Client")
self.client = client_cls(token=self.cfg['service_token'],
endpoint=self.cfg['endpoints']['admin']['uri'])
def dependency_handler_class(self):
"""Return a dependency handler that will work for this distro."""
return importer.import_entry_point(self._dependency_handler["name"])
def get_packager_class(package_info, default_packager_class=None):
packager_name = package_info.get('packager_name') or ''
packager_name = packager_name.strip()
if not packager_name:
return default_packager_class
return importer.import_entry_point(packager_name)
