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The libpod/network packages were moved to c/common so that buildah can
use it as well. To prevent duplication use it in podman as well and
remove it from here.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Implement a new network interface for netavark.
For now only bridge networking is supported.
The interface can create/list/inspect/remove networks. For setup and
teardown netavark will be invoked.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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To prevent code duplication when creating new network backends move
reusable code into a separate internal package.
This allows all network backends to use the same code as long as they
implement the new NetUtil interface.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Make podman network rm more robust by checking for ENOENT if we cannot
remove the config file. If it does not exists there is no reason to
error. This is especially useful for podman network prune.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Remove ERROR: Error stutter from logrus messages also.
[ NO TESTS NEEDED] This is just code cleanup.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add support for the ipvlan cni plugin. This allows us to create,
inspect and list ipvlan networks correctly.
Fixes #10478
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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The default network should not be validated against used subnets, we have to ensure
that this network can always be created even when a subnet is already used on the host.
This could happen if you run a container on this net, then the cni interface will be
created on the host and "block" this subnet from being used again.
Therefore the next podman command tries to create the default net again and it would
fail because it thinks the network is used on the host.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Check that the given subnet does not conflict with existing ones (other
configs or host interfaces).
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Implement a new network interface to abstract CNI from libpod. The
interface is implemented for the CNI backend but in the future we can
add more backends.
The code is structured in three new packages:
- `libpod/network/types`: contains the interface definition
and the necessary types for it.
- `libpod/network/cni` contains the interface implementation for the CNI
backend.
- `libpod/network/util` a set of utility functions related to
networking.
The CNI package uses ginkgo style unit tests. To test Setup/Teardown the
test must be run as root. Each test will run in their own namespace to
make the test independent from the host environment.
New features with the CNI backend:
- The default network will be created in memory if it does not exists on
disk.
- It can set more than one static IP per container network.
- Networks are loaded once from disk and only if this interface is
used, e.g. for commands such as `podman info` networks are not loaded.
This reduces unnecessary disk IO.
This commit only adds the interface it is not wired into libpod. This
requires a lot of breaking changes which will be done in a followup
commit.
Once this is integrated into libpod the current network code under
`libpod/network` should be removed. Also the dependency on OCICNI
should be dropped.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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