def __init__(self):
'''
Instantiate an RTSRoot object. Basically checks for configfs setup and
base kernel modules (tcm)
'''
super(RTSRoot, self).__init__()
modprobe('target_core_mod')
self._create_in_cfs_ine('any')
def load(self, yield_steps=False):
'''
Attempt to load the target fabric kernel module as defined in the
specfile.
@param yield_steps: Whether or not to yield an (action, taken, desc)
tuple at each step: action is either 'load_module' or
'create_cfs_group', 'taken' is a bool indicating whether the action was
taken (if needed) or not, and desc is a text description of the step
suitable for logging.
@type yield_steps: bool
@raises RTSLibError: For failure to load kernel module and/or create
configfs group.
'''
module = self.spec['kernel_module']
load_module = modprobe(module)
if yield_steps:
yield ('load_module', load_module,
"Loaded %s kernel module." % module)
# TODO: Also load saved targets and config if needed. For that, support
# XXX: from the configfs side would be nice: have a config ID present
# XXX: both on the on-disk saved config and a configfs attibute.
# Create the configfs group
self._create_in_cfs_ine('any')
if yield_steps:
yield ('create_cfs_group', self._fresh,
"Created '%s'." % self.path)
def _check_self(self):
if not self.exists:
modprobe(self.kernel_module)
self._create_in_cfs_ine('any')
super(_BaseFabricModule, self)._check_self()
contexts.LoggregatorRelation,
contexts.EtcdRelation]},
]
},
'dea-v1': {
'summary': 'DEA runs CF apps in containers',
'description': '',
'jobs': [
{
'job_name': 'dea_next',
'mapping': {},
'install': [
utils.install_linux_image_extra,
utils.apt_install(['quota']),
utils.modprobe(['quota_v1', 'quota_v2'])
],
'required_data': [
contexts.NatsRelation,
contexts.LTCRelation,
contexts.DEARelation.remote_view,
],
'data_ready': [
# Apply our workaround till we
# have a real fix
tasks.patch_dea
]
},
{
'job_name': 'dea_logging_agent',
'mapping': {},
def _check_self(self):
if not self.exists:
modprobe(self.kernel_module)
self._create_in_cfs_ine('any')
super(_BaseFabricModule, self)._check_self()
