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Make use of the new network interface in libpod.
This commit contains several breaking changes:
- podman network create only outputs the new network name and not file
path.
- podman network ls shows the network driver instead of the cni version
and plugins.
- podman network inspect outputs the new network struct and not the cni
conflist.
- The bindings and libpod api endpoints have been changed to use the new
network structure.
The container network status is stored in a new field in the state. The
status should be received with the new `c.getNetworkStatus`. This will
migrate the old status to the new format. Therefore old containers should
contine to work correctly in all cases even when network connect/
disconnect is used.
New features:
- podman network reload keeps the ip and mac for more than one network.
- podman container restore keeps the ip and mac for more than one
network.
- The network create compat endpoint can now use more than one ipam
config.
The man pages and the swagger doc are updated to reflect the latest
changes.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Commit(fe3faa517e1b) introduced a lock file for network create/rm calls.
There is a problem with the location of the lock file. The lock file was
stored in the tmpdir. Running multiple podman network create/remove
commands in parallel with different tmpdirs made the lockfile inaccessible
to the other process, and so parallel read/write operations to the cni
config directory continued to occur. This scenario happened frequently
during the e2e tests and caused some flakes.
Fixes #9041
Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
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due to a lack of "locking" on cni operations, we could get ourselves in trouble when doing rapid creation or removal of networks. added a simple file lock to deal with the collision and because it is not considered a performent path, use of the file lock should be ok. if proven otherwise in the future, some generic shared memory lock should be implemented for libpod and also used here.
moved pkog/network to libpod/network because libpod is now being pulled into the package and it has therefore lost its generic nature. this will make it easier to absorb into libpod as we try to make the network closer to core operations.
Fixes: #7807
Signed-off-by: baude <bbaude@redhat.com>
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