add --ip to podman play kube

Add a new --ip flag to podman play kube. This is used to specify a
static IP 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 #8442

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

2 files changed, 24 insertions, 4 deletions

diff --git a/pkg/api/handlers/libpod/play.go b/pkg/api/handlers/libpod/play.go
index eba5386b6..96f572a8b 100644
--- a/pkg/api/handlers/libpod/play.go
+++ b/pkg/api/handlers/libpod/play.go
@@ -3,6 +3,7 @@ package libpod
 import (
 	"io"
 	"io/ioutil"
+	"net"
 	"net/http"
 	"os"
 
@@ -20,10 +21,11 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
 	runtime := r.Context().Value("runtime").(*libpod.Runtime)
 	decoder := r.Context().Value("decoder").(*schema.Decoder)
 	query := struct {
-		Network   string `schema:"network"`
-		TLSVerify bool   `schema:"tlsVerify"`
-		LogDriver string `schema:"logDriver"`
-		Start     bool   `schema:"start"`
+		Network   string   `schema:"network"`
+		TLSVerify bool     `schema:"tlsVerify"`
+		LogDriver string   `schema:"logDriver"`
+		Start     bool     `schema:"start"`
+		StaticIPs []string `schema:"staticIPs"`
 	}{
 		TLSVerify: true,
 		Start:     true,
@@ -35,6 +37,17 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	staticIPs := make([]net.IP, 0, len(query.StaticIPs))
+	for _, ipString := range query.StaticIPs {
+		ip := net.ParseIP(ipString)
+		if ip == nil {
+			utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+				errors.Errorf("Invalid IP address %s", ipString))
+			return
+		}
+		staticIPs = append(staticIPs, ip)
+	}
+
 	// Fetch the K8s YAML file from the body, and copy it to a temp file.
 	tmpfile, err := ioutil.TempFile("", "libpod-play-kube.yml")
 	if err != nil {
@@ -71,6 +84,7 @@ func PlayKube(w http.ResponseWriter, r *http.Request) {
 		Network:   query.Network,
 		Quiet:     true,
 		LogDriver: query.LogDriver,
+		StaticIPs: staticIPs,
 	}
 	if _, found := r.URL.Query()["tlsVerify"]; found {
 		options.SkipTLSVerify = types.NewOptionalBool(!query.TLSVerify)
diff --git a/pkg/api/server/register_play.go b/pkg/api/server/register_play.go
index d21029db5..da37abb70 100644
--- a/pkg/api/server/register_play.go
+++ b/pkg/api/server/register_play.go
@@ -34,6 +34,12 @@ func (s *APIServer) registerPlayHandlers(r *mux.Router) error {
 	//    type: boolean
 	//    default: true
 	//    description: Start the pod after creating it.
+	//  - in: query
+	//    name: staticIPs
+	//    type: array
+	//    description: Static IPs used for the pods.
+	//    items:
+	//      type: string
 	//  - in: body
 	//    name: request
 	//    description: Kubernetes YAML file.