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#!/usr/bin/python3
import sys
import glob
import os
from debian_linux.config import ConfigCoreDump
from debian_linux.debian import Changelog, VersionLinux
class CheckImage(object):
def __init__(self, config, dir, arch, featureset, flavour):
self.dir = dir
self.arch, self.featureset, self.flavour = arch, featureset, flavour
self.changelog = Changelog(version=VersionLinux)[0]
self.config_entry_base = config.merge('base', arch, featureset,
flavour)
self.config_entry_build = config.merge('build', arch, featureset,
flavour)
self.config_entry_image = config.merge('image', arch, featureset,
flavour)
def __call__(self, out):
image = self.config_entry_build.get('image-file')
uncompressed_image = self.config_entry_build \
.get('uncompressed-image-file')
if not image:
# TODO: Bail out
return 0
image = os.path.join(self.dir, image)
if uncompressed_image:
uncompressed_image = os.path.join(self.dir, uncompressed_image)
fail = 0
fail |= self.check_size(out, image, uncompressed_image)
return fail
def check_size(self, out, image, uncompressed_image):
value = self.config_entry_image.get('check-size')
if not value:
return 0
dtb_size = 0
if self.config_entry_image.get('check-size-with-dtb'):
for dtb in glob.glob(
os.path.join(self.dir, 'arch',
self.config_entry_base['kernel-arch'],
'boot/dts/*.dtb')):
dtb_size = max(dtb_size, os.stat(dtb).st_size)
size = os.stat(image).st_size + dtb_size
# 1% overhead is desirable in order to cope with growth
# through the lifetime of a stable release. Warn if this is
# not the case.
usage = (float(size)/value) * 100.0
out.write('Image size %d/%d, using %.2f%%. ' % (size, value, usage))
if size > value:
out.write('Too large. Refusing to continue.\n')
return 1
elif usage >= 99.0:
out.write('Under 1%% space in %s. ' % self.changelog.distribution)
else:
out.write('Image fits. ')
out.write('Continuing.\n')
# Also check the uncompressed image
if uncompressed_image and \
self.config_entry_image.get('check-uncompressed-size'):
value = self.config_entry_image.get('check-uncompressed-size')
size = os.stat(uncompressed_image).st_size
usage = (float(size)/value) * 100.0
out.write('Uncompressed Image size %d/%d, using %.2f%%. ' %
(size, value, usage))
if size > value:
out.write('Too large. Refusing to continue.\n')
return 1
elif usage >= 99.0:
out.write('Uncompressed Image Under 1%% space in %s. ' %
self.changelog.distribution)
else:
out.write('Uncompressed Image fits. ')
out.write('Continuing.\n')
return 0
class Main(object):
def __init__(self, dir, arch, featureset, flavour):
self.args = dir, arch, featureset, flavour
self.config = ConfigCoreDump(open("debian/config.defines.dump", "rb"))
def __call__(self):
fail = 0
for c in (CheckImage, ):
fail |= c(self.config, *self.args)(sys.stdout)
return fail
if __name__ == '__main__':
sys.exit(Main(*sys.argv[1:])())
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