def apt_command(args):
""" Main entry point for curtin apt-config standalone command
This does not read the global config as handled by curthooks, but
instead one can specify a different "target" and a new cfg via --config
"""
cfg = config.load_command_config(args, {})
if args.target is not None:
target = args.target
else:
state = util.load_command_environment()
target = state['target']
if target is None:
sys.stderr.write("Unable to find target. "
"Use --target or set TARGET_MOUNT_POINT\n")
sys.exit(2)
apt_cfg = cfg.get("apt")
# if no apt config section is available, do nothing
if apt_cfg is not None:
LOG.debug("Handling apt to target %s with config %s", target, apt_cfg)
try:
with util.ChrootableTarget(target, sys_resolvconf=True):
handle_apt(apt_cfg, target)
except (RuntimeError, TypeError, ValueError, IOError):
LOG.exception("Failed to configure apt features '%s'", apt_cfg)
sys.exit(1)
else:
LOG.info("No apt config provided, skipping")
sys.exit(0)
def interfaces_custom(args):
state = util.load_command_environment()
cfg = config.load_command_config(args, state)
network_config = cfg.get('network', [])
if not network_config:
raise Exception("network configuration is required by mode '%s' "
"but not provided in the config file" % 'custom')
return {'network': network_config}
def install_grub_main(args):
state = util.load_command_environment()
if args.target is not None:
target = args.target
else:
target = state['target']
if target is None:
sys.stderr.write("Unable to find target. "
"Use --target or set TARGET_MOUNT_POINT\n")
sys.exit(2)
cfg = config.load_command_config(args, state)
stack_prefix = state.get('report_stack_prefix', '')
uefi = util.is_uefi_bootable()
grubcfg = cfg.get('grub')
with events.ReportEventStack(
name=stack_prefix,
reporting_enabled=True,
level="INFO",
description="Installing grub to target devices"):
install_grub(args.devices, target, uefi=uefi, grubcfg=grubcfg)
sys.exit(0)
def net_meta(args):
# curtin net-meta --devices connected dhcp
# curtin net-meta --devices configured dhcp
# curtin net-meta --devices netboot dhcp
# curtin net-meta --devices connected custom
# if network-config hook exists in target,
# we do not run the builtin
if util.run_hook_if_exists(args.target, 'network-config'):
sys.exit(0)
state = util.load_command_environment()
cfg = config.load_command_config(args, state)
if cfg.get("network") is not None:
args.mode = "custom"
eni = "etc/network/interfaces"
if args.mode == "auto":
if not args.devices:
args.devices = ["connected"]
t_eni = None
if args.target:
t_eni = os.path.sep.join((
args.target,
eni,
))
if not os.path.isfile(t_eni):
t_eni = None
if t_eni:
args.mode = "copy"
else:
args.mode = "dhcp"
devices = []
if args.devices:
for dev in args.devices:
if dev in DEVNAME_ALIASES:
devices += resolve_alias(dev)
else:
devices.append(dev)
LOG.debug("net-meta mode is '%s'. devices=%s", args.mode, devices)
output_network_config = os.environ.get("OUTPUT_NETWORK_CONFIG", "")
if args.mode == "copy":
if not args.target:
raise argparse.ArgumentTypeError("mode 'copy' requires --target")
t_eni = os.path.sep.join((
args.target,
"etc/network/interfaces",
))
with open(t_eni, "r") as fp:
content = fp.read()
LOG.warn(
"net-meta mode is 'copy', static network interfaces files"
"can be brittle. Copied interfaces: %s", content)
target = args.output
elif args.mode == "dhcp":
target = output_network_config
content = config.dump_config(interfaces_basic_dhcp(devices))
elif args.mode == 'custom':
target = output_network_config
content = config.dump_config(interfaces_custom(args))
else:
raise Exception("Unexpected network config mode '%s'." % args.mode)
if not target:
raise Exception(
"No target given for mode = '%s'. No where to write content: %s" %
(args.mode, content))
LOG.debug("writing to file %s with network config: %s", target, content)
if target == "-":
sys.stdout.write(content)
else:
with open(target, "w") as fp:
fp.write(content)
sys.exit(0)
def curthooks(args):
state = util.load_command_environment()
if args.target is not None:
target = args.target
else:
target = state['target']
if target is None:
sys.stderr.write("Unable to find target. "
"Use --target or set TARGET_MOUNT_POINT\n")
sys.exit(2)
cfg = config.load_command_config(args, state)
stack_prefix = state.get('report_stack_prefix', '')
# if curtin-hooks hook exists in target we can defer to the in-target hooks
if util.run_hook_if_exists(target, 'curtin-hooks'):
# For vmtests to force execute centos_apply_network_config, uncomment
# the value in examples/tests/centos_defaults.yaml
if cfg.get('_ammend_centos_curthooks'):
if cfg.get('cloudconfig'):
handle_cloudconfig(cfg['cloudconfig'],
base_dir=util.target_path(
target, 'etc/cloud/cloud.cfg.d'))
if target_is_centos(target) or target_is_rhel(target):
LOG.info('Detected RHEL/CentOS image, running extra hooks')
with events.ReportEventStack(
name=stack_prefix,
reporting_enabled=True,
level="INFO",
description="Configuring CentOS for first boot"):
centos_apply_network_config(cfg.get('network', {}), target)
sys.exit(0)
if target_is_ubuntu_core(target):
LOG.info('Detected Ubuntu-Core image, running hooks')
with events.ReportEventStack(
name=stack_prefix,
reporting_enabled=True,
level="INFO",
description="Configuring Ubuntu-Core for first boot"):
ubuntu_core_curthooks(cfg, target)
sys.exit(0)
with events.ReportEventStack(
name=stack_prefix + '/writing-config',
reporting_enabled=True,
level="INFO",
description="configuring apt configuring apt"):
do_apt_config(cfg, target)
disable_overlayroot(cfg, target)
# LP: #1742560 prevent zfs-dkms from being installed (Xenial)
if util.lsb_release(target=target)['codename'] == 'xenial':
util.apt_update(target=target)
with util.ChrootableTarget(target) as in_chroot:
in_chroot.subp(['apt-mark', 'hold', 'zfs-dkms'])
# packages may be needed prior to installing kernel
with events.ReportEventStack(name=stack_prefix +
'/installing-missing-packages',
reporting_enabled=True,
level="INFO",
description="installing missing packages"):
install_missing_packages(cfg, target)
# If a /etc/iscsi/nodes/... file was created by block_meta then it
# needs to be copied onto the target system
nodes_location = os.path.join(os.path.split(state['fstab'])[0], "nodes")
if os.path.exists(nodes_location):
copy_iscsi_conf(nodes_location, target)
# do we need to reconfigure open-iscsi?
# If a mdadm.conf file was created by block_meta than it needs to be copied
# onto the target system
mdadm_location = os.path.join(
os.path.split(state['fstab'])[0], "mdadm.conf")
if os.path.exists(mdadm_location):
copy_mdadm_conf(mdadm_location, target)
# as per https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/964052
# reconfigure mdadm
util.subp(['dpkg-reconfigure', '--frontend=noninteractive', 'mdadm'],
data=None,
target=target)
with events.ReportEventStack(name=stack_prefix + '/installing-kernel',
reporting_enabled=True,
level="INFO",
description="installing kernel"):
setup_zipl(cfg, target)
install_kernel(cfg, target)
run_zipl(cfg, target)
restore_dist_interfaces(cfg, target)
with events.ReportEventStack(name=stack_prefix + '/setting-up-swap',
reporting_enabled=True,
level="INFO",
description="setting up swap"):
add_swap(cfg, target, state.get('fstab'))
with events.ReportEventStack(name=stack_prefix +
'/apply-networking-config',
reporting_enabled=True,
level="INFO",
description="apply networking config"):
apply_networking(target, state)
with events.ReportEventStack(name=stack_prefix + '/writing-etc-fstab',
reporting_enabled=True,
level="INFO",
description="writing etc/fstab"):
copy_fstab(state.get('fstab'), target)
with events.ReportEventStack(name=stack_prefix + '/configuring-multipath',
reporting_enabled=True,
level="INFO",
description="configuring multipath"):
detect_and_handle_multipath(cfg, target)
with events.ReportEventStack(
name=stack_prefix + '/system-upgrade',
reporting_enabled=True,
level="INFO",
description="updating packages on target system"):
system_upgrade(cfg, target)
with events.ReportEventStack(
name=stack_prefix + '/pollinate-user-agent',
reporting_enabled=True,
level="INFO",
description="configuring pollinate user-agent on target system"):
handle_pollinate_user_agent(cfg, target)
# If a crypttab file was created by block_meta than it needs to be copied
# onto the target system, and update_initramfs() needs to be run, so that
# the cryptsetup hooks are properly configured on the installed system and
# it will be able to open encrypted volumes at boot.
crypttab_location = os.path.join(
os.path.split(state['fstab'])[0], "crypttab")
if os.path.exists(crypttab_location):
copy_crypttab(crypttab_location, target)
update_initramfs(target)
# If udev dname rules were created, copy them to target
udev_rules_d = os.path.join(state['scratch'], "rules.d")
if os.path.isdir(udev_rules_d):
copy_dname_rules(udev_rules_d, target)
# As a rule, ARMv7 systems don't use grub. This may change some
# day, but for now, assume no. They do require the initramfs
# to be updated, and this also triggers boot loader setup via
# flash-kernel.
machine = platform.machine()
if (machine.startswith('armv7') or machine.startswith('s390x')
or machine.startswith('aarch64') and not util.is_uefi_bootable()):
update_initramfs(target)
else:
setup_grub(cfg, target)
sys.exit(0)