in gstack/controllers/operations.py [0:0]
def _add_sshkey_metadata(authorization, publickey, instanceid):
l = publickey
n = 100
split_publickey = [l[i:i + n] for i in range(0, len(l), n)]
i = 0
for datasegment in split_publickey:
_add_sshkey_metadata_segment(
authorization, str(i) + '-sshkey-segment', datasegment, instanceid)
i = i + 1