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Add hash manifest of new os profiles

When importing an image and taking stock copy, mark the files to allow detection of stock
versus customized profile content.

This will be used by a rebase command to know when
to overwrite or when to leave a file alone.
This commit is contained in:
Jarrod Johnson 2022-08-23 15:25:17 -04:00
parent 801e43936c
commit d97c508d86

View File

@ -645,6 +645,24 @@ def get_profile_label(profile):
importing = {}
def get_hashes(dirname):
hashmap = {}
for dname, _, fnames in os.walk(dirname):
for fname in fnames:
if fname == 'profile.yaml':
continue
fullname = os.path.join(dname, fname)
currhash = hashlib.sha512()
with open(fullname, 'rb') as currf:
currd = currf.read(2048)
while currd:
currhash.update(currd)
currd = currf.read(2048)
subname = fullname.replace(dirname + '/', '')
hashmap[subname] = currhash.hexdigest()
return hashmap
def generate_stock_profiles(defprofile, distpath, targpath, osname,
profilelist):
osd, osversion, arch = osname.split('-')
@ -657,6 +675,7 @@ def generate_stock_profiles(defprofile, distpath, targpath, osname,
continue
oumask = os.umask(0o22)
shutil.copytree(srcname, dirname)
hmap = get_hashes(dirname)
profdata = None
try:
os.makedirs('{0}/boot/initramfs'.format(dirname), 0o755)
@ -674,6 +693,9 @@ def generate_stock_profiles(defprofile, distpath, targpath, osname,
if profdata:
with open('{0}/profile.yaml'.format(dirname), 'w') as yout:
yout.write(profdata)
yout.write('# The data below facilitates detecting customization during osdeploy rebase\n')
manifestdata = {'distdir': srcname, 'disthashes': hmap}
yout.write(yaml.dump(manifestdata, default_flow_style=False))
for initrd in os.listdir('{0}/initramfs'.format(defprofile)):
fullpath = '{0}/initramfs/{1}'.format(defprofile, initrd)
if os.path.isdir(fullpath):