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Handle leases for containers with already leased IPs

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Disassembler 2019-10-05 22:26:07 +02:00
parent 6045349f9c
commit b02fc3f42c
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1 changed files with 5 additions and 1 deletions
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6
usr/lib/python3.6/lxcmgr/lxcmgr.py
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@ -88,8 +88,12 @@ def update_hosts_lease(container, is_request):
# Load all existing records
with open(HOSTS_FILE, 'r') as f:
leases = [l.strip().split(' ', 1) for l in f]
# If this call is a request for lease, find the first unassigned IP
# If this call is a request for lease, find if there isn't already existing lease for the container
if is_request:
already_leased = [l[0] for l in leases if l[1] == container]
if already_leased:
return already_leased[0]
# Otherwise assign the first unassigned IP
used_ips = [l[0] for l in leases]
for i in range(2, 65278): # Reserve last /24 subnet for VPN
ip = '172.17.{}.{}'. format(i // 256, i % 256)