23379470922

Committed 20 Mar 2026 09:31PM UTC coverage: 57.067% (+0.3%) from 56.729%

Build # 23379470922

Build Type

push

github

Committed by

jcaamano

Commit Message

Add NetlinkDeviceManager for declarative device lifecycle management

Introduce NetlinkDeviceManager, a controller that declaratively manages
Linux network device lifecycle with self-healing and dependency resolution.

Key features:
- Declarative API: Define desired device state (Bridge, VXLAN, VLAN, VRF, Dummy)
  and the manager ensures convergence
- Ownership tracking: Uses IFLA_IFALIAS to mark managed devices, preventing
  conflicts with external tools
- Dependency resolution: Automatically retries device creation when master/parent
  is not yet present
- Self-healing: Periodic reconciliation catches external drift and restores
  desired state
- Bridge VLAN/VNI mappings: Manages VID-to-VNI mappings for VXLAN devices
  with VniFilter enabled
- Bridge port settings: Configures vlan_tunnel, neigh_suppress, learning

Also extends NetLinkOps interface with:
- LinkModify for atomic attribute updates
- Bridge VLAN operations (BridgeVlanAdd/Del, BridgeVniAdd/Del, tunnel info)
- Bridge port settings (LinkSetVlanTunnel, LinkSetBrNeighSuppress, LinkSetLearning)
- Error checking helpers (IsEntryNotFoundError, IsAlreadyExistsError)

Signed-off-by: Matteo Dallaglio <mdallagl@redhat.com>

Coverage Stats

893 of 1147 new or added lines in 4 files covered. (77.86%)

2464 existing lines in 29 files now uncovered.

47622 of 83450 relevant lines covered (57.07%)

385.4 hits per line

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86.89

/go-controller/pkg/node/netlinkdevicemanager/netlink_ops.go

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