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Message #20631
[Bug 1664844] Re: No distinction between link-up and link-down interfaces
This bug was fixed in the package nplan - 0.32~16.04.3
---------------
nplan (0.32~16.04.3) xenial; urgency=medium
* tests/integration.py: Really fix skipping test_routes_v6 for the NM
backend.
nplan (0.32~16.04.2) xenial; urgency=medium
* tests/integration.py: Fix test_routes_v6 that I clobbered when I re-applied
the skip rules for 16.04 after merging in 0.32.
nplan (0.32~16.04.1) xenial; urgency=medium
* Backport netplan 0.32 to 16.04. (LP: #1713142)
* debian/control: Depend on systemd (>= 229-4ubuntu20) for the PrimarySlave
feature backported in that revision.
* tests/integration.py: Skip tests that are still not yet supported in xenial
nplan (0.32) bionic; urgency=medium
* src/nm.c: better handle the UUID generation; the order of iterating
through interaces may affect things here. Also make sure the tests catch
a null UUID.
nplan (0.31) bionic; urgency=medium
[ Mathieu Trudel-Lapierre ]
* src/nm.c: generate a UUID for a connection only as needed; when we're
dealing with NM VLANs. (LP: #1712921)
* debian/tests/autostart: Make the autostart test more verbose and avoid
failing right from the start when systemd-networkd is disabled.
(LP: #1699371)
* tests/integration.py: bump the NetworkManager timeout for settling to
120 seconds, autopkgtest infrastructure tends to be a little slow for the
network device configuration to be applied and noticed by NM.
(LP: #1699371)
[ Dimitri John Ledkov ]
* Reload udevd to invalidate configuration cache of .rules/.link files
as generate step may have changed them. LP: #1669564
[ Dan Streetman ]
* Add another interface driver exception to netplan replug to prevent unbind
of the Xen VIF interfaces. (LP: #1729573)
nplan (0.30) artful; urgency=medium
* Add an "optional" syntax node for now to all devices. This is unimplemented
for now, but intended to allow users to mark some devices as optional: to
make sure they do not delay boot when configured. (LP: #1664844)
nplan (0.29) artful; urgency=medium
* Fix autopkgtests in a world where /run/NetworkManager/conf.d already
exists. nplan is enabled by default, so it might well have the directory
already created on the filesystem.
nplan (0.28) artful; urgency=medium
* Revert 56cd3eec which disabled IPv6 Router Advertisements by default. It
broke default network config in LXD and was contrary to the defaults used
by the kernel. Reopens LP: 1655440. (LP: #1717404)
* Add "accept-ra:" key for all device types; this will default to OFF but
allow users to disable processing Router Advertisements when required by
their network setup. (LP: #1655440)
nplan (0.27) artful; urgency=medium
[ Mathieu Trudel-Lapierre ]
* Fix crash in systemd generator if called by an user on the command-line
* coverage: fix exclusions to properly not cover our "never reached defaults"
[ Dimitri John Ledkov ]
* tests/integration.py: In teardown, stop systemd-networkd.socket.
* src/networkd.c: Set UseMTU=true by default, whenever DHCP is in use.
(LP: #1717471)
* tests/integration.py: fix resolved detection.
nplan (0.26) artful; urgency=medium
* Bonding:
- Add support for specifying a primary slave. (LP: #1709135)
* Rebind:
- Fix brcmfmac harder. Treat any 'brcmfmac' driver as not supporting
rebind. (LP: #1712224)
* Autopkgtests:
- Add allow-stderr. Systemd now bleats about a the networkd socket still
being around and enabled when we restart the service; but we don't need
to care since we're /restarting/ the service to load the new config.
- Fix the autostart package to be more sensible: we don't really care if
networkd autostarts or not, but we need to make sure that our generator
will run at boot, so instead check the state, but only assert it once
we've added a config file and before checking the state of our dummy
device.
- Do a bit more to make sure "mix" tests which stack virtual devices are
as reliable as possible; by setting saner defaults.
nplan (0.25) artful; urgency=medium
* tests/generate.py: add a test to validate that correct blacklist entries
are added when creating virtual devices.
* tests/integration.py: clean up after br0 in networkd's test_bridge_mac; as
the remaining interface and udev configuration can confuse NetworkManager
now that it seems to manage random devices it did not create again.
(LP: #1699371)
* src/nm.c: set the MTU even though we also specify it in systemd-networkd
for consumption by udev. NetworkManager will try to set it and might
otherwise default to the wrong value.
* src/networkd.c: Set IPv6AcceptRA=no anytime we don't do DHCPv6 (or by the
same config, SLAAC), and don't have static addresses set. This should fix
the cases where unconfigured devices still get an IPv6 address.
(LP: #1655440)
* src/nm.c: Explicitly set IPv6 method=ignore when IPv6 is otherwise not
configured; this follows the same logic as setting IPv6AcceptRA=no in
networkd, with the exception that NM does not currently disable RAs. When
it does, an unconfigured device for IPv6 will truly be left with no config.
nplan (0.24) artful; urgency=medium
* debian/control: set Priority to important to make sure we can get into
minimal.
-- Mathieu Trudel-Lapierre <cyphermox@xxxxxxxxxx> Mon, 04 Dec 2017
10:57:34 -0500
** Changed in: nplan (Ubuntu Xenial)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1664844
Title:
No distinction between link-up and link-down interfaces
Status in MAAS:
Triaged
Status in netplan:
Triaged
Status in nplan package in Ubuntu:
Confirmed
Status in nplan source package in Xenial:
Fix Released
Status in nplan source package in Zesty:
Fix Released
Bug description:
[Impact]
Users need to write valid configuration, especially for new features that are approved by not yet implemented, such as marking a link "optional".
[Test case]
Write a netplan configuration:
network:
version: 2
renderer: networkd
ethernets:
eth0:
optional: yes
dhcp4: yes
And run 'netplan apply'. Netplan should write configuration for the
link and not error out with a syntax error.
[Regression potential]
This has a minimal potential for regression: the new keyword was added to be supported already by consumers of netplan (users, cloud-init) so that they could start writing config with the new key and that configuration to be seen as valid by netplan before the backend is implemented. There is no functional change besides allowing for the value to exist in a netplan configuation.
---
If I define an interface in netplan (even one which has no DHCP type
and no addresses), it's not possible to determine if its adminStatus
should be enabled (link up) or disabled (link down).
I can completely exclude an interface from the netplan configuration,
but I think that implies that not only its adminStatus is "disabled"
by default, but also netplan will not be able to do anything "nice"
for the interface, such as rename it to what the user specified in
MAAS.
If I include the interface but don't specify any addresses or DHCP, it
isn't clear if it will be link up (my current assumption) or link
down.
There should be a way to allow an interface to be recognized by
netplan (and even partially configured, waiting for the user to run
something like 'ifup <interface>' on a manual but not auto-started
interface in ifupdown), but marked administratively disabled.
(adminStatus down)
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