Build fixes

pkg/apis/config/v1alpha4/types.go

@@ -142,6 +142,14 @@ type Node struct {
 	// The node-level patches will be applied after the cluster-level patches
 	// have been applied. (See Cluster.KubeadmConfigPatchesJSON6902)
 	KubeadmConfigPatchesJSON6902 []PatchJSON6902 `yaml:"kubeadmConfigPatchesJSON6902,omitempty"`
+
+	// Docker networks to attach to.  Defaults to the Docker default ("bridge").
+	Networks []string
+
+	// Loopback IP.
+	Loopback string
+
+	Routes []string
 }
 
 // NodeRole defines possible role for nodes in a Kubernetes cluster managed by `kind`

pkg/cluster/constants/constants.go

@@ -20,9 +20,6 @@ package constants
 // DefaultClusterName is the default cluster Context name
 const DefaultClusterName = "kind"
 
-const NodeLoopbackKey = "io.k8s.sigs.kind.loopback"
-const NodeRoutesKey = "io.k8s.sigs.kind.routes"
-
 /* node role value constants */
 const (
 	// ControlPlaneNodeRoleValue identifies a node that hosts a Kubernetes

pkg/cluster/internal/create/actions/loopback/loopback.go

@@ -19,9 +19,10 @@ package loopback
 
 import (
 	"fmt"
-	"sigs.k8s.io/kind/pkg/errors"
-	"sigs.k8s.io/kind/pkg/internal/cluster/create/actions"
 	"strings"
+
+	"sigs.k8s.io/kind/pkg/cluster/internal/create/actions"
+	"sigs.k8s.io/kind/pkg/errors"
 )
 
 // kubeadmInitAction implements action for executing the kubadm init

pkg/cluster/internal/providers/docker/constants.go

@@ -22,3 +22,5 @@ const clusterLabelKey = "io.x-k8s.kind.cluster"
 // nodeRoleLabelKey is applied to each "node" docker container for categorization
 // of nodes by role
 const nodeRoleLabelKey = "io.x-k8s.kind.role"
+const nodeLoopbackKey = "io.x-k8s.kind.loopback"
+const nodeRoutesKey = "io.x-k8s.kind.routes"

pkg/cluster/internal/providers/docker/node.go

@@ -52,7 +52,7 @@ func (n *node) Role() (string, error) {
 
 func (n *node) Loopback() (string, error) {
 	cmd := exec.Command("docker", "inspect",
-		"--format", fmt.Sprintf(`{{ index .Config.Labels "%s"}}`, constants.NodeLoopbackKey),
+		"--format", fmt.Sprintf(`{{ index .Config.Labels "%s"}}`, nodeLoopbackKey),
 		n.name,
 	)
 	lines, err := exec.OutputLines(cmd)
@@ -67,7 +67,7 @@ func (n *node) Loopback() (string, error) {
 
 func (n *node) Routes() (string, error) {
 	cmd := exec.Command("docker", "inspect",
-		"--format", fmt.Sprintf(`{{ index .Config.Labels "%s"}}`, constants.NodeRoutesKey),
+		"--format", fmt.Sprintf(`{{ index .Config.Labels "%s"}}`, nodeRoutesKey),
 		n.name,
 	)
 	lines, err := exec.OutputLines(cmd)

pkg/cluster/internal/providers/docker/provision.go

@@ -244,8 +244,8 @@ func runArgsForNode(node *config.Node, clusterIPFamily config.ClusterIPFamily, n
 		"--name", name, // ... and set the container name
 		// label the node with the role ID
 		"--label", fmt.Sprintf("%s=%s", nodeRoleLabelKey, node.Role),
-		"--label", fmt.Sprintf("%s=%s", constants.NodeLoopbackKey, node.Loopback),
-		"--label", fmt.Sprintf("%s=%s", constants.NodeRoutesKey, strings.Join(node.Routes, ",")),
+		"--label", fmt.Sprintf("%s=%s", nodeLoopbackKey, node.Loopback),
+		"--label", fmt.Sprintf("%s=%s", nodeRoutesKey, strings.Join(node.Routes, ",")),
 		// running containers in a container requires privileged
 		// NOTE: we could try to replicate this with --cap-add, and use less
 		// privileges, but this flag also changes some mounts that are necessary

pkg/cluster/internal/providers/podman/node.go

@@ -50,6 +50,14 @@ func (n *node) Role() (string, error) {
 	return lines[0], nil
 }
 
+func (n *node) Loopback() (string, error) {
+	return "", errors.New("unimplemented")
+}
+
+func (n *node) Routes() (string, error) {
+	return "", errors.New("unimplemented")
+}
+
 func (n *node) IP() (ipv4 string, ipv6 string, err error) {
 	// retrieve the IP address of the node using podman inspect
 	cmd := exec.Command("podman", "inspect",