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Backport netplan to xenial
Status in network-manager package in Ubuntu:
Status in nplan package in Ubuntu:
Status in systemd package in Ubuntu:
Status in network-manager source package in Xenial:
Status in nplan source package in Xenial:
Status in systemd source package in Xenial:
For snappy (at first at least) we need to provide netplan in xenial,
as for the first snappy GA release we must not use any PPAs any more.
netplan's NetworkManager backend depends on two patches to read
configuration and connections from /run/NetworkManager/. These will
need to be backported for full netplan support; but they are not
required for snappy as this will use a snapped NM. However, this will
need a temporary hack
until snaps can actually properly support OS components like
netplan: The risk for existing installations is practically zero as nplan
does not exist in xenial yet and thus will not be pulled in during upgrades.
NetworkManager: Nothing in xenial expects/uses /run/NetworkManager/
and as it's an ephemeral tmpfs there is no risk of existing files
there. If the patches are broken it could in theory happen that
NetworkManager also does not properly read files from
/etc/NetworkManager/ any more, so the -proposed package must verify
that existing connections still work.
systemd: This does change behavior of networkd quite a bit: RA is now
being handled in userpsace instead of the kernel, there are some new
virtual device types, LLDP support, etc., and there are no (known)
backwards incompatibilities. The 229 version was known buggy with
DHCPv6 (we disabled these two test cases), and judging by the feedback
in Debian 231 is now reasonably stable. networkd is not being used by
default or advertised in Ubuntu 16.04 (so far), so this will not
affect the vast majority of installations. But while we have quite
good test coverage, it cannot be ruled out that we break some custom
setup that uses networkd.
1. Run "NetworkManager --print-config" and save the output.
2. Install the proposed NetworkManager and confirm that existing connections
(from /etc/NetworkManager/system-connections) still work.
3. Run "NetworkManager --print-config" again and verify that the output is
the same as in step 1.
4. netplan has a very comprehensive integration test suite run as
autopkgtest, which covers NetworkManager (including the /run patches) and
network. Confirm that it succeeds.
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