diff options
Diffstat (limited to 'scripts/lib/wic/ksparser.py')
| -rw-r--r-- | scripts/lib/wic/ksparser.py | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/scripts/lib/wic/ksparser.py b/scripts/lib/wic/ksparser.py index 0894e2b199..62c490274a 100644 --- a/scripts/lib/wic/ksparser.py +++ b/scripts/lib/wic/ksparser.py @@ -113,6 +113,9 @@ def systemidtype(arg): class KickStart(): """"Kickstart parser implementation.""" + DEFAULT_EXTRA_SPACE = 10*1024 + DEFAULT_OVERHEAD_FACTOR = 1.3 + def __init__(self, confpath): self.partitions = [] @@ -127,16 +130,24 @@ class KickStart(): part.add_argument('mountpoint', nargs='?') part.add_argument('--active', action='store_true') part.add_argument('--align', type=int) - part.add_argument("--extra-space", type=sizetype, default=10*1024) + part.add_argument("--extra-space", type=sizetype) part.add_argument('--fsoptions', dest='fsopts') part.add_argument('--fstype') part.add_argument('--label') part.add_argument('--no-table', action='store_true') part.add_argument('--ondisk', '--ondrive', dest='disk') - part.add_argument("--overhead-factor", type=overheadtype, default=1.3) + part.add_argument("--overhead-factor", type=overheadtype) part.add_argument('--part-type') part.add_argument('--rootfs-dir') - part.add_argument('--size', type=sizetype, default=0) + + # --size and --fixed-size cannot be specified together; options + # ----extra-space and --overhead-factor should also raise a parser + # --error, but since nesting mutually exclusive groups does not work, + # ----extra-space/--overhead-factor are handled later + sizeexcl = part.add_mutually_exclusive_group() + sizeexcl.add_argument('--size', type=sizetype, default=0) + sizeexcl.add_argument('--fixed-size', type=sizetype, default=0) + part.add_argument('--source') part.add_argument('--sourceparams') part.add_argument('--system-id', type=systemidtype) @@ -170,11 +181,33 @@ class KickStart(): lineno += 1 if line and line[0] != '#': try: - parsed = parser.parse_args(shlex.split(line)) + line_args = shlex.split(line) + parsed = parser.parse_args(line_args) except ArgumentError as err: raise KickStartError('%s:%d: %s' % \ (confpath, lineno, err)) if line.startswith('part'): + # using ArgumentParser one cannot easily tell if option + # was passed as argument, if said option has a default + # value; --overhead-factor/--extra-space cannot be used + # with --fixed-size, so at least detect when these were + # passed with non-0 values ... + if parsed.fixed_size: + if parsed.overhead_factor or parsed.extra_space: + err = "%s:%d: arguments --overhead-factor and --extra-space not "\ + "allowed with argument --fixed-size" \ + % (confpath, lineno) + raise KickStartError(err) + else: + # ... and provide defaults if not using + # --fixed-size iff given option was not used + # (again, one cannot tell if option was passed but + # with value equal to 0) + if '--overhead-factor' not in line_args: + parsed.overhead_factor = self.DEFAULT_OVERHEAD_FACTOR + if '--extra-space' not in line_args: + parsed.extra_space = self.DEFAULT_EXTRA_SPACE + self.partnum += 1 self.partitions.append(Partition(parsed, self.partnum)) elif line.startswith('include'): |