containernetworking / plugins
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LAST BUILD ON BRANCH host-device-l3-info
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coverage: 52.912%. First build
28855646314

Pull #1257

github

SchSeba 
host-device: copy host interface IP addresses and routes into container

Add a new configuration option `useInterfaceNetwork` that instructs the
host-device plugin to capture the interface's IP addresses and routes
from the host before moving the device into the container namespace,
and then apply them inside the container.

This is critical for virtual environments (AWS, IBM Cloud, GPC) where
the cloud provider configures IP addresses and routes directly on the
network device. In these environments, there is no traditional IPAM
source; the ground truth for L3 configuration lives on the host
interface itself.

When `useInterfaceNetwork` is enabled, the plugin:
  - Captures all global-scope addresses and non-local routes from the
    host device before moving it into the container namespace.
  - Applies the captured addresses and routes to the interface inside
    the container.
  - Reports the addresses and routes in the CNI result (merged with
    any IPAM result if an IPAM plugin is also configured).

NOTE: The interface configuration on the host node must be persistent.
When the device is moved back to the host (via DEL) and renamed to its
original name, the system's network management service (e.g.
NetworkManager, systemd-networkd, cloud-init, or cloud-specific agents)
is expected to detect the device and re-apply the IP addresses and
routes. This plugin does NOT re-configure the host interface on DEL; it
relies on the node's network configuration being declarative and
reconciled by the platform's networking stack.

Also implements the STATUS command to verify the host device exists,
replacing the previous TODO stub.

Signed-off-by: Sebastian Sch <sebassch@gmail.com>
Pull Request #1257: host-device: copy host interface IP addresses and routes into container

120 of 162 new or added lines in 2 files covered. (74.07%)

5124 of 9684 relevant lines covered (52.91%)

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Source Files on host-device-l3-info

Recent builds

Builds Branch Commit Type Ran Committer Via Coverage
28855646314 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
52.91
28798682744 host-device-l3-info host-device: copy host interface IP addresses and routes into container Pull #1257 Sebastian Sch github
52.91
28798527561 host-device-l3-info host-device: copy host interface IP addresses and routes into container Pull #1257 Sebastian Sch github
52.91
28744684543 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
52.86
28555812558 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
52.93
28542336419 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
52.93
28354901456 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
53.01
28150601120 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
53.01
28116072689 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
53.01
25674197703 host-device-l3-info host-device: copy host interface IP addresses and routes into container Add a new configuration option `useInterfaceNetwork` that instructs the host-device plugin to capture the interface's IP addresses and routes from the host before moving the ... Pull #1257 SchSeba github
53.01
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