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Validate vip_subnet for legacy vip address at runtime (#1500)

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* Validate vip_subnet for legacy vip address at runtime

Signed-off-by: orkun incili <orkunincili0@gmail.com>

* Fix lifecycle: only cancel on init/config failure paths

Signed-off-by: orkun incili <orkunincili0@gmail.com>

* Update changelog for failure-path cancel behavior

Signed-off-by: orkun incili <orkunincili0@gmail.com>

---------

Signed-off-by: orkun incili <orkunincili0@gmail.com>
This commit is contained in:
Orkun İncili
2026-04-13 18:09:08 +03:00
committed by GitHub
parent cd7c84a8a2
commit b8052ba0e6
5 changed files with 88 additions and 1 deletions
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18
cmd/kube-vip.go
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@@ -235,6 +235,15 @@ var kubeVipService = &cobra.Command{
configMap = envConfigMap
}
// Legacy vip_address requires vip_subnet for control-plane ARP, BGP, and Routing Table modes.
if initConfig.EnableControlPlane &&
(initConfig.EnableARP || initConfig.EnableBGP || initConfig.EnableRoutingTable) {
if err := initConfig.CheckSubnetExists(); err != nil {
log.Error("checking subnet exists if vip_address defined", "err", err)
return
}
}
// Ensure there is an address to generate the CIDR from
if initConfig.VIPSubnet == "" && initConfig.Address != "" {
initConfig.VIPSubnet, err = GenerateCidrRange(initConfig.Address, initConfig.DNSMode)
@@ -291,6 +300,15 @@ var kubeVipManager = &cobra.Command{
// Set the logging level for all subsequent functions
log.SetLogLoggerLevel(log.Level(initConfig.Logging))
// Legacy vip_address requires vip_subnet for control-plane ARP, BGP, and Routing Table modes.
if initConfig.EnableControlPlane &&
(initConfig.EnableARP || initConfig.EnableBGP || initConfig.EnableRoutingTable) {
if err := initConfig.CheckSubnetExists(); err != nil {
log.Error("checking subnet exists if vip_address defined", "err", err)
return
}
}
// Ensure there is an address to generate the CIDR from
if initConfig.VIPSubnet == "" && initConfig.Address != "" {
initConfig.VIPSubnet, err = GenerateCidrRange(initConfig.Address, initConfig.DNSMode)