def check_setup(self, storage, ksdata, instClass):
""" Check storage to make sure the selected VG has a thinpool and it is named docker-pool
:param storage: Blivet storage object
:param ksdata: Kickstart data object
:param instClass: Anaconda installclass object
If there is an error, raise the appropriate Kickstart error.
"""
if self.addon.vgname not in (vg.name for vg in storage.vgs):
raise KickstartParseError(formatErrorMsg(0, msg=_("%%addon com_redhat_docker is missing VG named %s")) % self.addon.vgname)
# Make sure the VG has a docker-pool LV
if self.addon.vgname+"-docker-pool" not in (lv.name for lv in storage.lvs):
raise KickstartParseError(formatErrorMsg(0, msg=_("%%addon com_redhat_docker is missing a LV named docker-pool")))
def handle_header(self, lineno, args):
""" Handle the kickstart addon header
:param lineno: Line number
:param args: arguments from %addon line
"""
# This gets called after __init__, very early in the installation.
op = KSOptionParser()
op.add_option("--vgname", required=True,
help="Name of the VG that contains a thinpool named docker-pool")
op.add_option("--fstype", required=True,
help="Type of filesystem to use for docker to use with docker-pool")
op.add_option("--save-args", action="store_true", default=False,
help="Save all extra args to the OPTIONS variable in /etc/sysconfig/docker")
(opts, extra) = op.parse_args(args=args, lineno=lineno)
fmt = blivet.formats.getFormat(opts.fstype)
if not fmt or fmt.type is None:
raise KickstartValueError(formatErrorMsg(lineno,
msg=_("%%addon com_redhat_docker fstype of %s is invalid.")) % opts.fstype)
self.vgname = opts.vgname
self.fstype = opts.fstype
self.enabled = True
self.extra_args = extra
self.save_args = opts.save_args
def check_setup(self, storage, ksdata, instClass):
""" Check to make sure /var/lib/docker is on a BTRFS filesystem"""
for path in ["/var/lib/docker", "/var/lib", "/var", "/"]:
device = storage.mountpoints.get(path)
if isinstance(device, BTRFSDevice):
log.debug("com_redhat_docker found BTRFS at %s", path)
return
raise KickstartParseError(formatErrorMsg(0, msg=_("%%addon com_redhat_docker /var/lib/docker is not on a BTRFS volume")))
def setup(self, storage, ksdata, instClass):
""" Setup the addon
:param storage: Blivet storage object
:param ksdata: Kickstart data object
:param instClass: Anaconda installclass object
"""
# This gets called after entering progress hub, just before installation and device partitioning.
if "docker" not in ksdata.packages.packageList:
raise KickstartValueError(formatErrorMsg(0, msg=_("%%package section is missing docker")))
# Check storage to make sure the selected VG has a thinpool and it is named docker-pool?
if self.vgname not in (vg.name for vg in storage.vgs):
raise KickstartValueError(formatErrorMsg(0, msg=_("%%addon com_redhat_docker is missing VG named %s")) % self.vgname)
# Make sure the VG has a docker-pool LV
if self.vgname+"-docker-pool" not in (lv.name for lv in storage.lvs):
raise KickstartValueError(formatErrorMsg(0, msg=_("%%addon com_redhat_docker is missing a LV named docker-pool")))
def handle_header(self, lineno, args):
""" Handle the kickstart addon header
:param lineno: Line number
:param args: arguments from %addon line
"""
# This gets called after __init__, very early in the installation.
op = KSOptionParser()
op.add_option("--vgname",
help="Name of the VG that contains a thinpool named docker-pool")
op.add_option("--fstype",
help="Type of filesystem for docker to use with the docker-pool")
op.add_option("--overlay", action="store_true",
help="Use the overlay driver")
op.add_option("--btrfs", action="store_true",
help="Use the BTRFS driver")
op.add_option("--save-args", action="store_true", default=False,
help="Save all extra args to the OPTIONS variable in /etc/sysconfig/docker")
(opts, extra) = op.parse_args(args=args, lineno=lineno)
if sum(1 for v in [opts.overlay, opts.btrfs, opts.vgname] if bool(v)) != 1:
raise KickstartParseError(formatErrorMsg(lineno,
msg=_("%%addon com_redhat_docker must choose one of --overlay, --btrfs, or --vgname")))
self.enabled = True
self.extra_args = extra
self.save_args = opts.save_args
if opts.overlay:
self.storage = OverlayStorage(self)
elif opts.btrfs:
self.storage = BTRFSStorage(self)
elif opts.vgname:
fmt = blivet.formats.get_format(opts.fstype)
if not fmt or fmt.type is None:
raise KickstartParseError(formatErrorMsg(lineno,
msg=_("%%addon com_redhat_docker fstype of %s is invalid.")) % opts.fstype)
self.vgname = opts.vgname
self.fstype = opts.fstype
self.storage = LVMStorage(self)
def setup(self, storage, ksdata, instClass):
""" Setup the addon
:param storage: Blivet storage object
:param ksdata: Kickstart data object
:param instClass: Anaconda installclass object
"""
# This gets called after entering progress hub, just before installation and device partitioning.
if not self.enabled:
return
if "docker" not in ksdata.packages.packageList:
raise KickstartValueError(formatErrorMsg(0, msg=_("%%package section is missing docker")))
self.storage.check_setup(storage, ksdata, instClass)
