Added support for register-with-taints setting kubernetes#93608

Author: kshitijcode

cmd/kubemark/BUILD

@@ -17,6 +17,7 @@ go_library(
     importpath = "k8s.io/kubernetes/cmd/kubemark",
     deps = [
         "//pkg/api/legacyscheme:go_default_library",
+        "//pkg/apis/core:go_default_library",
         "//pkg/cluster/ports:go_default_library",
         "//pkg/kubelet/cadvisor/testing:go_default_library",
         "//pkg/kubelet/cm:go_default_library",
@@ -25,6 +26,7 @@ go_library(
         "//pkg/kubemark:go_default_library",
         "//pkg/util/iptables/testing:go_default_library",
         "//pkg/util/sysctl/testing:go_default_library",
+        "//pkg/util/taints:go_default_library",
         "//staging/src/k8s.io/api/core/v1:go_default_library",
         "//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
         "//staging/src/k8s.io/client-go/kubernetes:go_default_library",

cmd/kubemark/hollow-node.go

@@ -41,6 +41,7 @@ import (
 	"k8s.io/component-base/version"
 	"k8s.io/component-base/version/verflag"
 	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	"k8s.io/kubernetes/pkg/apis/core"
 	"k8s.io/kubernetes/pkg/cluster/ports"
 	cadvisortest "k8s.io/kubernetes/pkg/kubelet/cadvisor/testing"
 	"k8s.io/kubernetes/pkg/kubelet/cm"
@@ -49,6 +50,7 @@ import (
 	"k8s.io/kubernetes/pkg/kubemark"
 	fakeiptables "k8s.io/kubernetes/pkg/util/iptables/testing"
 	fakesysctl "k8s.io/kubernetes/pkg/util/sysctl/testing"
+	utiltaints "k8s.io/kubernetes/pkg/util/taints"
 	fakeexec "k8s.io/utils/exec/testing"
 )
 
@@ -64,6 +66,7 @@ type hollowNodeConfig struct {
 	ProxierSyncPeriod    time.Duration
 	ProxierMinSyncPeriod time.Duration
 	NodeLabels           map[string]string
+	RegisterWithTaints   []core.Taint
 }
 
 const (
@@ -88,6 +91,7 @@ func (c *hollowNodeConfig) addFlags(fs *pflag.FlagSet) {
 	fs.DurationVar(&c.ProxierMinSyncPeriod, "proxier-min-sync-period", 0, "Minimum period that proxy rules are refreshed in hollow-proxy.")
 	bindableNodeLabels := cliflag.ConfigurationMap(c.NodeLabels)
 	fs.Var(&bindableNodeLabels, "node-labels", "Additional node labels")
+	fs.Var(utiltaints.NewTaintsVar(&c.RegisterWithTaints), "register-with-taints", "Register the node with the given list of taints (comma separated \"<key>=<value>:<effect>\"). No-op if register-node is false.")
 }
 
 func (c *hollowNodeConfig) createClientConfigFromFile() (*restclient.Config, error) {
@@ -113,6 +117,7 @@ func (c *hollowNodeConfig) createHollowKubeletOptions() *kubemark.HollowKubletOp
 		MaxPods:             maxPods,
 		PodsPerCore:         podsPerCore,
 		NodeLabels:          c.NodeLabels,
+		RegisterWithTaints:  c.RegisterWithTaints,
 	}
 }
 

pkg/kubemark/BUILD

@@ -17,6 +17,7 @@ go_library(
         "//cmd/kube-proxy/app:go_default_library",
         "//cmd/kubelet/app:go_default_library",
         "//cmd/kubelet/app/options:go_default_library",
+        "//pkg/apis/core:go_default_library",
         "//pkg/kubelet:go_default_library",
         "//pkg/kubelet/apis/config:go_default_library",
         "//pkg/kubelet/cadvisor:go_default_library",

pkg/kubemark/hollow_kubelet.go

@@ -28,6 +28,7 @@ import (
 	internalapi "k8s.io/cri-api/pkg/apis"
 	kubeletapp "k8s.io/kubernetes/cmd/kubelet/app"
 	"k8s.io/kubernetes/cmd/kubelet/app/options"
+	"k8s.io/kubernetes/pkg/apis/core"
 	"k8s.io/kubernetes/pkg/kubelet"
 	kubeletconfig "k8s.io/kubernetes/pkg/kubelet/apis/config"
 	"k8s.io/kubernetes/pkg/kubelet/cadvisor"
@@ -144,6 +145,7 @@ type HollowKubletOptions struct {
 	MaxPods             int
 	PodsPerCore         int
 	NodeLabels          map[string]string
+	RegisterWithTaints  []core.Taint
 }
 
 // Builds a KubeletConfiguration for the HollowKubelet, ensuring that the
@@ -164,6 +166,7 @@ func GetHollowKubeletConfig(opt *HollowKubletOptions) (*options.KubeletFlags, *k
 	f.ContainerRuntimeOptions.ContainerRuntime = kubetypes.RemoteContainerRuntime
 	f.RegisterNode = true
 	f.RegisterSchedulable = true
+	f.RegisterWithTaints = opt.RegisterWithTaints
 
 	// Config struct
 	c, err := options.NewKubeletConfiguration()