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authorKristian Klausen <kristian@klausen.dk>2021-09-03 15:52:53 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2021-09-04 15:05:48 +0100
commitf81b188bcf5aa18746fd622eb7b5c0dcb0b5c93d (patch)
treef98273e2271223bcff7acce42c46888088035e4c
parent35d699c479b6ce6acafbf75fb003618aaad094d7 (diff)
downloadopenembedded-core-f81b188bcf5aa18746fd622eb7b5c0dcb0b5c93d.tar.gz
wic: Add extra-space argument
This allows extra space to be added after the last partition and is especially useful when free space is needed for ex: adding partitions on first boot with ex: systemd-repart[1] and the image is tested in QEMU. [1] https://www.freedesktop.org/software/systemd/man/systemd-repart.html Signed-off-by: Kristian Klausen <kristian@klausen.dk> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--meta/lib/oeqa/selftest/cases/wic.py11
-rw-r--r--scripts/lib/wic/plugins/imager/direct.py7
-rwxr-xr-xscripts/wic2
3 files changed, 18 insertions, 2 deletions
diff --git a/meta/lib/oeqa/selftest/cases/wic.py b/meta/lib/oeqa/selftest/cases/wic.py
index 3b4143414f..dc7b9e637e 100644
--- a/meta/lib/oeqa/selftest/cases/wic.py
+++ b/meta/lib/oeqa/selftest/cases/wic.py
@@ -744,6 +744,17 @@ part /etc --source rootfs --fstype=ext4 --change-directory=etc
% (wks_file, self.resultdir), ignore_status=True).status)
os.remove(wks_file)
+ def test_extra_space(self):
+ """Test --extra-space wks option."""
+ extraspace = 1024**3
+ runCmd("wic create wictestdisk "
+ "--image-name core-image-minimal "
+ "--extra-space %i -o %s" % (extraspace ,self.resultdir))
+ wicout = glob(self.resultdir + "wictestdisk-*.direct")
+ self.assertEqual(1, len(wicout))
+ size = os.path.getsize(wicout[0])
+ self.assertTrue(size > extraspace)
+
class Wic2(WicTestCase):
def test_bmap_short(self):
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index 96168aadb4..9d10ec01d0 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -77,7 +77,8 @@ class DirectPlugin(ImagerPlugin):
image_path = self._full_path(self.workdir, self.parts[0].disk, "direct")
self._image = PartitionedImage(image_path, self.ptable_format,
- self.parts, self.native_sysroot)
+ self.parts, self.native_sysroot,
+ options.extra_space)
def setup_workdir(self, workdir):
if workdir:
@@ -293,7 +294,7 @@ class PartitionedImage():
Partitioned image in a file.
"""
- def __init__(self, path, ptable_format, partitions, native_sysroot=None):
+ def __init__(self, path, ptable_format, partitions, native_sysroot=None, extra_space=0):
self.path = path # Path to the image file
self.numpart = 0 # Number of allocated partitions
self.realpart = 0 # Number of partitions in the partition table
@@ -314,6 +315,7 @@ class PartitionedImage():
self.sector_size = SECTOR_SIZE
self.native_sysroot = native_sysroot
num_real_partitions = len([p for p in self.partitions if not p.no_table])
+ self.extra_space = extra_space
# calculate the real partition number, accounting for partitions not
# in the partition table and logical partitions
@@ -483,6 +485,7 @@ class PartitionedImage():
self.min_size += GPT_OVERHEAD
self.min_size *= self.sector_size
+ self.min_size += self.extra_space
def _create_partition(self, device, parttype, fstype, start, size):
""" Create a partition on an image described by the 'device' object. """
diff --git a/scripts/wic b/scripts/wic
index a741aed364..57197c2048 100755
--- a/scripts/wic
+++ b/scripts/wic
@@ -346,6 +346,8 @@ def wic_init_parser_create(subparser):
default=False, help="output debug information")
subparser.add_argument("-i", "--imager", dest="imager",
default="direct", help="the wic imager plugin")
+ subparser.add_argument("--extra-space", type=int, dest="extra_space",
+ default=0, help="additional free disk space to add to the image")
return