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| author | Chad Smith <chad.smith@canonical.com> | 2018-06-21 14:32:27 -0600 |
|---|---|---|
| committer | Chad Smith <chad.smith@canonical.com> | 2018-06-21 14:32:27 -0600 |
| commit | ba53ceb5a8a30c10951ec3ac49b8d6ebbe09a524 (patch) | |
| tree | 5b68f0602daea648d48b3dc16809b0d66fb565d1 /cloudinit/net/network_state.py | |
| parent | 7d1e8976bba629f30da45e814a5a97e2f4b7de3d (diff) | |
| parent | 2d6e4219db73e80c135efd83753f9302f778f08d (diff) | |
| download | vyos-cloud-init-ba53ceb5a8a30c10951ec3ac49b8d6ebbe09a524.tar.gz vyos-cloud-init-ba53ceb5a8a30c10951ec3ac49b8d6ebbe09a524.zip | |
merge from master at 18.3
Diffstat (limited to 'cloudinit/net/network_state.py')
| -rw-r--r-- | cloudinit/net/network_state.py | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/cloudinit/net/network_state.py b/cloudinit/net/network_state.py index 6d63e5c5..72c803eb 100644 --- a/cloudinit/net/network_state.py +++ b/cloudinit/net/network_state.py @@ -7,6 +7,8 @@ import copy import functools import logging +import socket +import struct import six @@ -886,12 +888,9 @@ def net_prefix_to_ipv4_mask(prefix): This is the inverse of ipv4_mask_to_net_prefix. 24 -> "255.255.255.0" Also supports input as a string.""" - - mask = [0, 0, 0, 0] - for i in list(range(0, int(prefix))): - idx = int(i / 8) - mask[idx] = mask[idx] + (1 << (7 - i % 8)) - return ".".join([str(x) for x in mask]) + mask = socket.inet_ntoa( + struct.pack(">I", (0xffffffff << (32 - int(prefix)) & 0xffffffff))) + return mask def ipv4_mask_to_net_prefix(mask): |