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Merge pull request #536 from fedepaol/customtable

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VRF CNI: Add an optional table parameter.
This commit is contained in:
Casey Callendrello
2020-11-11 17:57:54 +01:00
committed by GitHub
parent b7af044cdc b34402abd3
commit 8aad9739d8
4 changed files with 107 additions and 7 deletions
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10
plugins/meta/vrf/main.go
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@ -35,6 +35,8 @@ type VRFNetConf struct {
// VRFName is the name of the vrf to add the interface to.
VRFName string `json:"vrfname"`
// Table is the optional name of the routing table set for the vrf
Table uint32 `json:"table"`
}
func main() {
@ -54,8 +56,14 @@ func cmdAdd(args *skel.CmdArgs) error {
err = ns.WithNetNSPath(args.Netns, func(_ ns.NetNS) error {
vrf, err := findVRF(conf.VRFName)
// If the user set a tableid and the vrf is already in the namespace
// we check if the tableid is the same one already assigned to the vrf.
if err == nil && conf.Table != 0 && vrf.Table != conf.Table {
return fmt.Errorf("VRF %s already exist with different routing table %d", conf.VRFName, vrf.Table)
}
if _, ok := err.(netlink.LinkNotFoundError); ok {
vrf, err = createVRF(conf.VRFName)
vrf, err = createVRF(conf.VRFName, conf.Table)
}
if err != nil {