def get_curtin_image(node):
"""Return boot image that supports 'xinstall' for the given node."""
osystem = node.get_osystem()
series = node.get_distro_series()
arch, subarch = node.split_arch()
rack_controller = node.get_boot_rack_controller()
try:
images = get_boot_images_for(rack_controller, osystem, arch, subarch,
series)
except (NoConnectionsAvailable, TimeoutError):
logger.error(
"Unable to get RPC connection for rack controller '%s' (%s)",
rack_controller.hostname, rack_controller.system_id)
raise ClusterUnavailable(
"Unable to get RPC connection for rack controller '%s' (%s)" %
(rack_controller.hostname, rack_controller.system_id))
for image in images:
if image['purpose'] == 'xinstall':
return image
raise MissingBootImage(
"Error generating the URL of curtin's image file. "
"No image could be found for the given selection: "
"os=%s, arch=%s, subarch=%s, series=%s, purpose=xinstall." % (
osystem,
arch,
subarch,
series,
))
def test_returns_boot_images_matching_subarches_in_boot_resources(self):
rack = factory.make_RackController()
self.useFixture(RunningClusterRPCFixture())
params = self.make_boot_images()
param = params.pop()
subarches = [factory.make_name("subarch") for _ in range(3)]
resource_name = "%s/%s" % (param["osystem"], param["release"])
resource_arch = "%s/%s" % (
param["architecture"],
param["subarchitecture"],
)
resource = factory.make_BootResource(
rtype=BOOT_RESOURCE_TYPE.SYNCED,
name=resource_name,
architecture=resource_arch,
)
extra = resource.extra.copy()
extra["subarches"] = ",".join(subarches)
resource.extra = extra
resource.save()
subarch = subarches.pop()
self.assertItemsEqual(
self.make_rpc_boot_images(param),
get_boot_images_for(
rack,
param["osystem"],
param["architecture"],
subarch,
param["release"],
),
)
def get_curtin_image(node):
"""Return boot image that supports 'xinstall' for the given node."""
osystem = node.get_osystem()
series = node.get_distro_series()
arch, subarch = node.split_arch()
rack_controller = node.get_boot_rack_controller()
try:
images = get_boot_images_for(rack_controller, osystem, arch, subarch,
series)
except (NoConnectionsAvailable, TimeoutError):
logger.error(
"Unable to get RPC connection for rack controller '%s' (%s)",
rack_controller.hostname,
rack_controller.system_id,
)
raise ClusterUnavailable(
"Unable to get RPC connection for rack controller '%s' (%s)" %
(rack_controller.hostname, rack_controller.system_id))
# A matching subarch may be a newer subarch which contains support for
# an older one. e.g Xenial hwe-16.04 will match for ga-16.04. First
# try to find the subarch we are deploying, if that isn't found allow
# a newer version.
for image in images:
if (image["purpose"] == "xinstall"
and image["subarchitecture"] == subarch):
return image
for image in images:
if image["purpose"] == "xinstall":
return image
raise MissingBootImage(
"Error generating the URL of curtin's image file. "
"No image could be found for the given selection: "
"os=%s, arch=%s, subarch=%s, series=%s, purpose=xinstall." %
(osystem, arch, subarch, series))
def test_returns_boot_images_matching_subarchitecture(self):
rack = factory.make_RackController()
self.useFixture(RunningClusterRPCFixture())
params = self.make_boot_images()
param = params.pop()
self.assertItemsEqual(
self.make_rpc_boot_images(param),
get_boot_images_for(rack, param['osystem'], param['architecture'],
param['subarchitecture'], param['release']))
