Fix `podman pod create --infra=false`

We were accidentally setting incorrect defaults for the network
namespace for rootless `pod create` when infra containers were
not being created. This should resolve that issue.

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

3 files changed, 12 insertions, 13 deletions

diff --git a/cmd/podman/pods/create.go b/cmd/podman/pods/create.go
index f97fa836a..e24cdef98 100644
--- a/cmd/podman/pods/create.go
+++ b/cmd/podman/pods/create.go
@@ -16,6 +16,7 @@ import (
 	"github.com/containers/libpod/pkg/specgen"
 	"github.com/containers/libpod/pkg/util"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/pflag"
 )
@@ -81,6 +82,7 @@ func create(cmd *cobra.Command, args []string) error {
 	}
 
 	if !createOptions.Infra {
+		logrus.Debugf("Not creating an infra container")
 		if cmd.Flag("infra-command").Changed {
 			return errors.New("cannot set infra-command without an infra container")
 		}
@@ -114,6 +116,7 @@ func create(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
+	createOptions.Net.Network = specgen.Namespace{}
 	if cmd.Flag("network").Changed {
 		netInput, err := cmd.Flags().GetString("network")
 		if err != nil {
@@ -132,6 +135,7 @@ func create(cmd *cobra.Command, args []string) error {
 			n.NSMode = specgen.Bridge
 			createOptions.Net.CNINetworks = strings.Split(netInput, ",")
 		}
+		createOptions.Net.Network = n
 	}
 	if len(createOptions.Net.PublishPorts) > 0 {
 		if !createOptions.Infra {
diff --git a/pkg/specgen/generate/pod_create.go b/pkg/specgen/generate/pod_create.go
index df5775f8b..cd2d69cfb 100644
--- a/pkg/specgen/generate/pod_create.go
+++ b/pkg/specgen/generate/pod_create.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/specgen"
+	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
 )
 
@@ -68,15 +69,17 @@ func createPodOptions(p *specgen.PodSpecGenerator) ([]libpod.PodCreateOption, er
 	if p.NoManageResolvConf {
 		options = append(options, libpod.WithPodUseImageResolvConf())
 	}
+	if len(p.CNINetworks) > 0 {
+		options = append(options, libpod.WithPodNetworks(p.CNINetworks))
+	}
 	switch p.NetNS.NSMode {
-	case specgen.Bridge:
+	case specgen.Bridge, specgen.Default, "":
 		logrus.Debugf("Pod using default network mode")
 	case specgen.Host:
 		logrus.Debugf("Pod will use host networking")
 		options = append(options, libpod.WithPodHostNetwork())
 	default:
-		logrus.Debugf("Pod joining CNI networks: %v", p.CNINetworks)
-		options = append(options, libpod.WithPodNetworks(p.CNINetworks))
+		return nil, errors.Errorf("pods presently do not support network mode %s", p.NetNS.NSMode)
 	}
 
 	if p.NoManageHosts {
diff --git a/pkg/specgen/pod_validate.go b/pkg/specgen/pod_validate.go
index 08f1c0300..640447e71 100644
--- a/pkg/specgen/pod_validate.go
+++ b/pkg/specgen/pod_validate.go
@@ -1,7 +1,6 @@
 package specgen
 
 import (
-	"github.com/containers/libpod/pkg/rootless"
 	"github.com/containers/libpod/pkg/util"
 	"github.com/pkg/errors"
 )
@@ -37,8 +36,8 @@ func (p *PodSpecGenerator) Validate() error {
 		return err
 	}
 	if p.NoInfra {
-		if p.NetNS.NSMode == NoNetwork {
-			return errors.New("NoInfra and a none network cannot be used toegther")
+		if p.NetNS.NSMode != Default && p.NetNS.NSMode != "" {
+			return errors.New("NoInfra and network modes cannot be used toegther")
 		}
 		if p.StaticIP != nil {
 			return exclusivePodOptions("NoInfra", "StaticIP")
@@ -86,13 +85,6 @@ func (p *PodSpecGenerator) Validate() error {
 	}
 
 	// Set Defaults
-	if p.NetNS.Value == "" {
-		if rootless.IsRootless() {
-			p.NetNS.NSMode = Slirp
-		} else {
-			p.NetNS.NSMode = Bridge
-		}
-	}
 	if len(p.InfraImage) < 1 {
 		p.InfraImage = containerConfig.Engine.InfraImage
 	}