add --mac-address to podman play kube

Add a new --mac-address flag to podman play kube. This is used to specify
a static MAC address which should be used for the pod. This option can be
specified several times because play kube can create more than one pod.

Fixes #9731

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

1 files changed, 15 insertions, 0 deletions

diff --git a/cmd/podman/play/kube.go b/cmd/podman/play/kube.go
index 30d6d86f0..fe382bdfb 100644
--- a/cmd/podman/play/kube.go
+++ b/cmd/podman/play/kube.go
@@ -2,6 +2,7 @@ package pods
 
 import (
 	"fmt"
+	"net"
 	"os"
 
 	"github.com/containers/common/pkg/auth"
@@ -27,6 +28,7 @@ type playKubeOptionsWrapper struct {
 }
 
 var (
+	macs []string
 	// https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
 	defaultSeccompRoot = "/var/lib/kubelet/seccomp"
 	kubeOptions        = playKubeOptionsWrapper{}
@@ -61,6 +63,10 @@ func init() {
 	flags.StringVar(&kubeOptions.CredentialsCLI, credsFlagName, "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry")
 	_ = kubeCmd.RegisterFlagCompletionFunc(credsFlagName, completion.AutocompleteNone)
 
+	staticMACFlagName := "mac-address"
+	flags.StringSliceVar(&macs, staticMACFlagName, nil, "Static MAC addresses to assign to the pods")
+	_ = kubeCmd.RegisterFlagCompletionFunc(staticMACFlagName, completion.AutocompleteNone)
+
 	networkFlagName := "network"
 	flags.StringVar(&kubeOptions.Network, networkFlagName, "", "Connect pod to CNI network(s)")
 	_ = kubeCmd.RegisterFlagCompletionFunc(networkFlagName, common.AutocompleteNetworkFlag)
@@ -128,6 +134,15 @@ func kube(cmd *cobra.Command, args []string) error {
 	if yamlfile == "-" {
 		yamlfile = "/dev/stdin"
 	}
+
+	for _, mac := range macs {
+		m, err := net.ParseMAC(mac)
+		if err != nil {
+			return err
+		}
+		kubeOptions.StaticMACs = append(kubeOptions.StaticMACs, m)
+	}
+
 	report, err := registry.ContainerEngine().PlayKube(registry.GetContext(), yamlfile, kubeOptions.PlayKubeOptions)
 	if err != nil {
 		return err