feat: Add konnectivity host network configuration

pkg/apis/k0s/v1beta1/clusterconfig_types_test.go

@@ -127,6 +127,41 @@ spec:
 	assert.Equal(t, addr, c.Spec.Storage.Etcd.PeerAddress)
 }
 
+func TestKonnectivityDefaults(t *testing.T) {
+	// Test default values
+	defaultSpec := DefaultKonnectivitySpec()
+	assert.Equal(t, int32(8132), defaultSpec.AgentPort)
+	assert.Equal(t, int32(8133), defaultSpec.AdminPort)
+	assert.False(t, defaultSpec.HostNetwork) // New field should default to false
+
+	// Test that defaults are applied in cluster config
+	yamlData := []byte(`
+apiVersion: k0s.k0sproject.io/v1beta1
+kind: ClusterConfig
+metadata:
+  name: test
+`)
+
+	c, err := ConfigFromBytes(yamlData)
+	assert.NoError(t, err)
+	assert.False(t, c.Spec.Konnectivity.HostNetwork)
+
+	// Test explicit HostNetwork configuration
+	yamlDataWithHostNetwork := []byte(`
+apiVersion: k0s.k0sproject.io/v1beta1
+kind: ClusterConfig
+metadata:
+  name: test
+spec:
+  konnectivity:
+    hostNetwork: true
+`)
+
+	c2, err := ConfigFromBytes(yamlDataWithHostNetwork)
+	assert.NoError(t, err)
+	assert.True(t, c2.Spec.Konnectivity.HostNetwork)
+}
+
 func TestNetworkValidation_Custom(t *testing.T) {
 	yamlData := []byte(`
 apiVersion: k0s.k0sproject.io/v1beta1

pkg/apis/k0s/v1beta1/konnectivity.go

@@ -27,13 +27,19 @@ type KonnectivitySpec struct {
 	// external address to advertise for the konnectivity agent to connect to
 	// +optional
 	ExternalAddress string `json:"externalAddress,omitempty"`
+
+	// HostNetwork controls whether the konnectivity agent should use host networking
+	// +kubebuilder:default=false
+	// +optional
+	HostNetwork bool `json:"hostNetwork,omitempty"`
 }
 
 // DefaultKonnectivitySpec builds default KonnectivitySpec
 func DefaultKonnectivitySpec() *KonnectivitySpec {
 	return &KonnectivitySpec{
-		AgentPort: 8132,
-		AdminPort: 8133,
+		AgentPort:   8132,
+		AdminPort:   8133,
+		HostNetwork: false,
 	}
 }
 

pkg/component/controller/konnectivityagent.go

@@ -111,6 +111,7 @@ func (k *KonnectivityAgent) writeKonnectivityAgent(clusterConfig *v1beta1.Cluste
 		Image:           clusterConfig.Spec.Images.Konnectivity.URI(),
 		ServerCount:     serverCount,
 		PullPolicy:      clusterConfig.Spec.Images.DefaultPullPolicy,
+		HostNetwork:     clusterConfig.Spec.Konnectivity.HostNetwork,
 	}
 
 	if clusterConfig.Spec.Network != nil {

static/_crds/k0s/k0s.k0sproject.io_clusterconfigs.yaml

@@ -462,6 +462,11 @@ spec:
                     description: external address to advertise for the konnectivity
                       agent to connect to
                     type: string
+                  hostNetwork:
+                    default: false
+                    description: HostNetwork controls whether the konnectivity agent
+                      should use host networking
+                    type: boolean
                 type: object
               network:
                 description: Network defines the network related config options