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Improved logging, comments, and fixed undefined shell variable error.

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This commit is contained in:
Cody Shepherd 2018-10-16 14:50:14 -07:00
parent becac6ac09
commit 3c3be06f27
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GPG Key ID: 0DB7E5F05C3FAB5F
3 changed files with 15 additions and 9 deletions
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2
live-build/auto/build
View File

@ -551,7 +551,7 @@ fi
# '--initramfs none' produces different manifest names.
if [ -e "binary/$INITFS/filesystem.packages" ]; then
/build/config/snap_seed_parse ${CHROOT_ROOT} >> "binary/${INITFS}/filesystem.packages"
/build/config/snap_seed_parse "chroot/" >> "binary/${INITFS}/filesystem.packages"
ln "binary/$INITFS/filesystem.packages" "$PREFIX.manifest"
chmod 644 "$PREFIX.manifest"
fi

5
live-build/functions
View File

@ -46,9 +46,12 @@ create_empty_disk_image() {
create_manifest() {
local chroot_root=${1}
local target_file=${2}
(echo "create_manifest chroot_root: ${chroot_root}")
dpkg-query --show --admindir="${chroot_root}/var/lib/dpkg" > ${target_file}
(>&2 echo "create_manifest chroot_root: ${chroot_root}")
(echo "create_manifest call to dpkg-query finished.")
/build/config/snap_seed_parse "${chroot_root}" >> ${target_file}
(echo "create_manifest call to snap_seed_parse finished.")
(echo "create_manifest finished")
}
make_ext4_partition() {

17
live-build/snap_seed_parse.py
View File

@ -20,30 +20,33 @@ log("Parsing seed.yaml")
CHROOT_ROOT = sys.argv[1] if len(sys.argv) > 1 and len(sys.argv[1]) > 0 \
else ''
'''The chroot rooth path should be passed in by the caller'''
log("CHROOT_ROOT: {}".format(CHROOT_ROOT))
log("CHROOT_ROOT: {}".format(CHROOT_ROOT))
if len(CHROOT_ROOT) > 0 and CHROOT_ROOT[-1] == '/':
CHROOT_ROOT = CHROOT_ROOT[:-1]
'''Trim any trailing slashes for correct appending'''
YAML_PATH = CHROOT_ROOT + '/var/lib/snapd/seed/seed.yaml'
'''This is where we expect to find the seed.yaml file'''
LINE_PREFIX = 'snap:'
'''Snaps are prepended with this string in the manifest'''
log("yaml path: {}".format(YAML_PATH))
if not os.path.isfile(YAML_PATH):
log("yaml path not found.")
exit(1)
'''Exit gracefully and issue a warning if seeded snaps not found'''
log("WARNING: yaml path not found; no seeded snaps found.")
exit(0)
else:
log("yaml path found.")
# Open the seed.yaml and ingest its contents
with open(YAML_PATH, 'r') as fh:
'''Open the seed.yaml and ingest its contents'''
yaml_lines = yaml.load(fh)['snaps']
to_write = ''
# Loop over dict items, generating one manifest line from each
# triplet
for item in yaml_lines:
'''Loop over dict items, generating one manifest line from each triplet'''
filestring = item['file']
revision = filestring[filestring.rindex('_')+1:]
revision = re.sub(r'[^0-9]', '', revision)
@ -53,5 +56,5 @@ for item in yaml_lines:
revision,
)
# write accumulated text to stdout for redirection
print(to_write.strip('\n'))
'''write accumulated text to stdout for redirection'''