Tyler King
6058e62348
Go-based network automation with YANG models, gRPC, Ansible, Terraform, and Kubernetes integration. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
37 lines
958 B
Go
37 lines
958 B
Go
package cni
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import (
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"fmt"
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"github.com/vishvananda/netlink"
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"github.com/guildhouse-co/kedge/internal/topology"
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)
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// attachUnderlayRoutes connects the host-side veth to VLAN bridge interfaces
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// for underlay mode routing.
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func attachUnderlayRoutes(hostVeth string, routes []SubnetRoute, topo *topology.MeshTopology) error {
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if len(routes) == 0 {
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return nil
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}
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hostLink, err := netlink.LinkByName(hostVeth)
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if err != nil {
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return fmt.Errorf("host veth %s not found: %w", hostVeth, err)
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}
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for _, route := range routes {
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bridgeName := route.Via // e.g., "vlan100"
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bridge, err := netlink.LinkByName(bridgeName)
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if err != nil {
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return fmt.Errorf("bridge %s not found for route %s: %w", bridgeName, route.Dst, err)
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}
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// Attach host veth to the VLAN bridge.
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if err := netlink.LinkSetMaster(hostLink, bridge); err != nil {
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return fmt.Errorf("failed to attach %s to bridge %s: %w", hostVeth, bridgeName, err)
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}
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}
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return nil
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}
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