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Add hash manifest of new os profiles

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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
1 changed files with 22 additions and 0 deletions
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22
confluent_server/confluent/osimage.py
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@ -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):