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 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))