def test_file_has_content_differ(self):
data = b'Mary had a little lamb, its fleece as white as snow'
ref = data + b'!'
with mock.patch('oslo_utils.fileutils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertFalse(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_equal_not_binary(self):
data = u'Mary had a little lamb, its fleece as white as sno\u0449'
ref = data
with mock.patch('ironic.common.utils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertTrue(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_differ(self):
data = b'Mary had a little lamb, its fleece as white as snow'
ref = data + b'!'
with mock.patch('ironic.common.utils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertFalse(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_equal(self):
data = b'Mary had a little lamb, its fleece as white as snow'
ref = data
with mock.patch('oslo_utils.fileutils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertTrue(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_equal_not_binary(self):
data = u'Mary had a little lamb, its fleece as white as sno\u0449'
ref = data
with mock.patch('ironic.common.utils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertTrue(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_equal_not_binary(self):
data = ('Mary had a little lamb, its fleece as white as '
'sno\u0449').encode('utf-8')
ref = data
with mock.patch('oslo_utils.fileutils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertTrue(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def test_file_has_content_equal_not_binary(self):
data = ('Mary had a little lamb, its fleece as white as '
'sno\u0449').encode('utf-8')
ref = data
with mock.patch('oslo_utils.fileutils.open',
mock.mock_open(read_data=data)) as mopen:
self.assertTrue(utils.file_has_content('foo', ref))
mopen.assert_called_once_with('foo', 'rb')
def create_ipxe_boot_script():
"""Render the iPXE boot script into the HTTP root directory"""
boot_script = utils.render_template(
CONF.pxe.ipxe_boot_script,
{'ipxe_for_mac_uri': PXE_CFG_DIR_NAME + '/'})
bootfile_path = os.path.join(CONF.deploy.http_root,
os.path.basename(CONF.pxe.ipxe_boot_script))
# NOTE(pas-ha) to prevent unneeded writes,
# only write to file if its content is different from required,
# which should be rather rare
if (not os.path.isfile(bootfile_path)
or not utils.file_has_content(bootfile_path, boot_script)):
utils.write_to_file(bootfile_path, boot_script)
def create_ipxe_boot_script():
"""Render the iPXE boot script into the HTTP root directory"""
boot_script = utils.render_template(
CONF.pxe.ipxe_boot_script,
{'ipxe_for_mac_uri': PXE_CFG_DIR_NAME + '/'})
bootfile_path = os.path.join(
CONF.deploy.http_root,
os.path.basename(CONF.pxe.ipxe_boot_script))
# NOTE(pas-ha) to prevent unneeded writes,
# only write to file if its content is different from required,
# which should be rather rare
if (not os.path.isfile(bootfile_path)
or not utils.file_has_content(bootfile_path, boot_script)):
utils.write_to_file(bootfile_path, boot_script)
def prepare_ramdisk(self, task, ramdisk_params):
"""Prepares the boot of Ironic ramdisk using PXE.
This method prepares the boot of the deploy kernel/ramdisk after
reading relevant information from the node's driver_info and
instance_info.
:param task: a task from TaskManager.
:param ramdisk_params: the parameters to be passed to the ramdisk.
pxe driver passes these parameters as kernel command-line
arguments.
:returns: None
:raises: MissingParameterValue, if some information is missing in
node's driver_info or instance_info.
:raises: InvalidParameterValue, if some information provided is
invalid.
:raises: IronicException, if some power or set boot boot device
operation failed on the node.
"""
node = task.node
if CONF.pxe.ipxe_enabled:
# Render the iPXE boot script template and save it
# to HTTP root directory
boot_script = utils.render_template(
CONF.pxe.ipxe_boot_script,
{'ipxe_for_mac_uri': pxe_utils.PXE_CFG_DIR_NAME + '/'})
bootfile_path = os.path.join(
CONF.deploy.http_root,
os.path.basename(CONF.pxe.ipxe_boot_script))
# NOTE(pas-ha) to prevent unneeded writes,
# only write to file if its content is different from required,
# which should be rather rare
if (not os.path.isfile(bootfile_path) or
not utils.file_has_content(bootfile_path, boot_script)):
utils.write_to_file(bootfile_path, boot_script)
dhcp_opts = pxe_utils.dhcp_options_for_instance(task)
provider = dhcp_factory.DHCPFactory()
provider.update_dhcp(task, dhcp_opts)
pxe_info = _get_deploy_image_info(node)
# NODE: Try to validate and fetch instance images only
# if we are in DEPLOYING state.
if node.provision_state == states.DEPLOYING:
pxe_info.update(_get_instance_image_info(node, task.context))
pxe_options = _build_pxe_config_options(task, pxe_info)
pxe_options.update(ramdisk_params)
pxe_config_template = deploy_utils.get_pxe_config_template(node)
pxe_utils.create_pxe_config(task, pxe_options,
pxe_config_template)
deploy_utils.try_set_boot_device(task, boot_devices.PXE)
if CONF.pxe.ipxe_enabled and CONF.pxe.ipxe_use_swift:
pxe_info.pop('deploy_kernel', None)
pxe_info.pop('deploy_ramdisk', None)
if pxe_info:
_cache_ramdisk_kernel(task.context, node, pxe_info)
def test_file_has_content_differ(self):
data = b'Mary had a little lamb, its fleece as white as snow'
ref = data + b'!'
with mock.patch('ironic.common.utils.open',
mock.mock_open(read_data=data)):
self.assertFalse(utils.file_has_content('foo', ref))
def test_file_has_content_equal(self):
data = b'Mary had a little lamb, its fleece as white as snow'
ref = data
with mock.patch('ironic.common.utils.open',
mock.mock_open(read_data=data)):
self.assertTrue(utils.file_has_content('foo', ref))
