Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Add support for svclb pod PriorityClassName #10045

Merged
merged 1 commit into from
May 23, 2024
Merged

Add support for svclb pod PriorityClassName #10045

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 11 additions & 9 deletions pkg/cloudprovider/cloudprovider.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -28,11 +28,12 @@ import (
// Config describes externally-configurable cloud provider configuration.
// This is normally unmarshalled from a JSON config file.
type Config struct {
LBEnabled bool `json:"lbEnabled"`
LBImage string `json:"lbImage"`
LBNamespace string `json:"lbNamespace"`
NodeEnabled bool `json:"nodeEnabled"`
Rootless bool `json:"rootless"`
LBDefaultPriorityClassName string `json:"lbDefaultPriorityClassName"`
LBEnabled bool `json:"lbEnabled"`
LBImage string `json:"lbImage"`
LBNamespace string `json:"lbNamespace"`
NodeEnabled bool `json:"nodeEnabled"`
Rootless bool `json:"rootless"`
}

type k3s struct {
Expand All @@ -56,10 +57,11 @@ func init() {
var err error
k := k3s{
Config: Config{
LBEnabled: true,
LBImage: DefaultLBImage,
LBNamespace: DefaultLBNS,
NodeEnabled: true,
LBDefaultPriorityClassName: DefaultLBPriorityClassName,
LBEnabled: true,
LBImage: DefaultLBImage,
LBNamespace: DefaultLBNS,
NodeEnabled: true,
},
}

Expand Down
19 changes: 17 additions & 2 deletions pkg/cloudprovider/servicelb.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,12 +40,14 @@ var (
daemonsetNodeLabel = "svccontroller." + version.Program + ".cattle.io/enablelb"
daemonsetNodePoolLabel = "svccontroller." + version.Program + ".cattle.io/lbpool"
nodeSelectorLabel = "svccontroller." + version.Program + ".cattle.io/nodeselector"
priorityAnnotation = "svccontroller." + version.Program + ".cattle.io/priorityclassname"
controllerName = ccmapp.DefaultInitFuncConstructors["service"].InitContext.ClientName
)

const (
Ready = condition.Cond("Ready")
DefaultLBNS = meta.NamespaceSystem
Ready = condition.Cond("Ready")
DefaultLBNS = meta.NamespaceSystem
DefaultLBPriorityClassName = "system-node-critical"
)

var (
Expand Down Expand Up @@ -436,6 +438,7 @@ func (k *k3s) deleteDaemonSet(ctx context.Context, svc *core.Service) error {
func (k *k3s) newDaemonSet(svc *core.Service) (*apps.DaemonSet, error) {
name := generateName(svc)
oneInt := intstr.FromInt(1)
priorityClassName := k.getPriorityClassName(svc)
localTraffic := servicehelper.RequestsOnlyLocalTraffic(svc)
sourceRangesSet, err := servicehelper.GetLoadBalancerSourceRanges(svc)
if err != nil {
Expand Down Expand Up @@ -487,6 +490,7 @@ func (k *k3s) newDaemonSet(svc *core.Service) (*apps.DaemonSet, error) {
},
},
Spec: core.PodSpec{
PriorityClassName: priorityClassName,
ServiceAccountName: "svclb",
AutomountServiceAccountToken: utilsptr.To(false),
SecurityContext: &core.PodSecurityContext{
Expand Down Expand Up @@ -694,6 +698,17 @@ func (k *k3s) removeFinalizer(ctx context.Context, svc *core.Service) (*core.Ser
return svc, nil
}

// getPriorityClassName returns the value of the priority class name annotation on the service,
// or the system default priority class name.
func (k *k3s) getPriorityClassName(svc *core.Service) string {
if svc != nil {
if v, ok := svc.Annotations[priorityAnnotation]; ok {
return v
}
}
return k.LBDefaultPriorityClassName
}

// generateName generates a distinct name for the DaemonSet based on the service name and UID
func generateName(svc *core.Service) string {
return fmt.Sprintf("svclb-%s-%s", svc.Name, svc.UID[:8])
Expand Down
11 changes: 6 additions & 5 deletions pkg/daemons/control/deps/deps.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -829,11 +829,12 @@ func genEgressSelectorConfig(controlConfig *config.Control) error {

func genCloudConfig(controlConfig *config.Control) error {
cloudConfig := cloudprovider.Config{
LBEnabled: !controlConfig.DisableServiceLB,
LBNamespace: controlConfig.ServiceLBNamespace,
LBImage: cloudprovider.DefaultLBImage,
Rootless: controlConfig.Rootless,
NodeEnabled: !controlConfig.DisableCCM,
LBDefaultPriorityClassName: cloudprovider.DefaultLBPriorityClassName,
LBEnabled: !controlConfig.DisableServiceLB,
LBNamespace: controlConfig.ServiceLBNamespace,
LBImage: cloudprovider.DefaultLBImage,
Rootless: controlConfig.Rootless,
NodeEnabled: !controlConfig.DisableCCM,
}
if controlConfig.SystemDefaultRegistry != "" {
cloudConfig.LBImage = controlConfig.SystemDefaultRegistry + "/" + cloudConfig.LBImage
Expand Down
Loading