Add podman play kube --annotation

Allow users to add annotions in the podman play kube command.
This PR Also fixes the fact that annotations in the pod spec were
not being passed down to containers.

Fixes: https://github.com/containers/podman/issues/12968

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

1 files changed, 20 insertions, 1 deletions

diff --git a/cmd/podman/play/kube.go b/cmd/podman/play/kube.go
index 563a6251c..3067f0d54 100644
--- a/cmd/podman/play/kube.go
+++ b/cmd/podman/play/kube.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net"
 	"os"
+	"strings"
 
 	"github.com/containers/common/pkg/auth"
 	"github.com/containers/common/pkg/completion"
@@ -31,7 +32,8 @@ type playKubeOptionsWrapper struct {
 }
 
 var (
-	macs []string
+	annotations []string
+	macs        []string
 	// https://kubernetes.io/docs/reference/command-line-tools-reference/kubelet/
 	defaultSeccompRoot = "/var/lib/kubelet/seccomp"
 	kubeOptions        = playKubeOptionsWrapper{}
@@ -61,6 +63,13 @@ func init() {
 	flags := kubeCmd.Flags()
 	flags.SetNormalizeFunc(utils.AliasFlags)
 
+	annotationFlagName := "annotation"
+	flags.StringSliceVar(
+		&annotations,
+		annotationFlagName, []string{},
+		"Add annotations to pods (key=value)",
+	)
+	_ = kubeCmd.RegisterFlagCompletionFunc(annotationFlagName, completion.AutocompleteNone)
 	credsFlagName := "creds"
 	flags.StringVar(&kubeOptions.CredentialsCLI, credsFlagName, "", "`Credentials` (USERNAME:PASSWORD) to use for authenticating to a registry")
 	_ = kubeCmd.RegisterFlagCompletionFunc(credsFlagName, completion.AutocompleteNone)
@@ -161,6 +170,16 @@ func kube(cmd *cobra.Command, args []string) error {
 		kubeOptions.Password = creds.Password
 	}
 
+	for _, annotation := range annotations {
+		splitN := strings.SplitN(annotation, "=", 2)
+		if len(splitN) > 2 {
+			return errors.Errorf("annotation %q must include an '=' sign", annotation)
+		}
+		if kubeOptions.Annotations == nil {
+			kubeOptions.Annotations = make(map[string]string)
+		}
+		kubeOptions.Annotations[splitN[0]] = splitN[1]
+	}
 	yamlfile := args[0]
 	if yamlfile == "-" {
 		yamlfile = "/dev/stdin"