def make_kernel_parameters(testcase=None, **parms):
"""Make a randomly populated `KernelParameters` instance.
If testcase is passed, we poke the generated arch/subarch into the
ArchitectureRegistry and call addCleanup on the testcase to make sure
it is removed after the test completes.
"""
# fs_host needs to be an IP address, set it if it was not passed.
if 'fs_host' not in parms:
parms.update({'fs_host': factory.make_ip_address()})
parms.update({
field: factory.make_name(field)
for field in KernelParameters._fields if field not in parms
})
if not isinstance(parms['http_boot'], bool):
parms['http_boot'] = True
params = KernelParameters(**parms)
if testcase is not None:
name = "%s/%s" % (params.arch, params.subarch)
if name in ArchitectureRegistry:
# It's already there, no need to patch and risk overwriting
# preset kernel options.
return params
resource = Architecture(name, name)
ArchitectureRegistry.register_item(name, resource)
testcase.addCleanup(ArchitectureRegistry.unregister_item, name)
return params
def make_kernel_parameters(**parms):
"""Make a randomly populated `KernelParameters` instance."""
parms.update({
field: factory.make_name(field)
for field in KernelParameters._fields if field not in parms
})
return KernelParameters(**parms)
def fetch(client, params):
params["system_id"] = client.localIdent
d = self.fetcher(client, GetBootConfig, **params)
d.addCallback(self.get_boot_image, client, params["remote_ip"])
d.addCallback(lambda data: KernelParameters(**data))
return d
def test_pxeconfig_returns_fs_host_as_cluster_controller(self):
# The kernel parameter `fs_host` points to the cluster controller
# address, which is passed over within the `local` parameter.
params = self.get_default_params()
kernel_params = KernelParameters(**self.get_pxeconfig(params))
self.assertEqual(params["local"], kernel_params.fs_host)
def reassemble(data):
return KernelParameters(**data)