Fix network mode in play kube

We need to use the config network mode when no network mode was set. To do so we have to keep the nsmode empty, MakeContainer() will use the correct network mode from the config when needed. Fixes containers#12248 Signed-off-by: Paul Holzinger <[email protected]>
Luap99 · Nov 12, 2021 · 164c42b · 164c42b
1 parent 5f3ce25
commit 164c42b
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Showing 3 changed files with 31 additions and 11 deletions.
diff --git a/pkg/specgen/generate/pod_create.go b/pkg/specgen/generate/pod_create.go
@@ -12,7 +12,6 @@ import (
 	"github.com/containers/podman/v3/libpod"
 	"github.com/containers/podman/v3/libpod/define"
 	"github.com/containers/podman/v3/pkg/domain/entities"
-	"github.com/containers/podman/v3/pkg/rootless"
 	"github.com/containers/podman/v3/pkg/specgen"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -216,15 +215,6 @@ func MapSpec(p *specgen.PodSpecGenerator) (*specgen.SpecGenerator, error) {
 			logrus.Debugf("No networking because the infra container is missing")
 			break
 		}
-		if rootless.IsRootless() {
-			logrus.Debugf("Pod will use slirp4netns")
-			if p.InfraContainerSpec.NetNS.NSMode != "host" {
-				p.InfraContainerSpec.NetworkOptions = p.NetworkOptions
-				p.InfraContainerSpec.NetNS.NSMode = specgen.NamespaceMode("slirp4netns")
-			}
-		} else {
-			logrus.Debugf("Pod using bridge network mode")
-		}
 	case specgen.Bridge:
 		p.InfraContainerSpec.NetNS.NSMode = specgen.Bridge
 		logrus.Debugf("Pod using bridge network mode")
@@ -258,7 +248,6 @@ func MapSpec(p *specgen.PodSpecGenerator) (*specgen.SpecGenerator, error) {
 		return nil, errors.Errorf("pods presently do not support network mode %s", p.NetNS.NSMode)
 	}
 
-	libpod.WithPodCgroups()
 	if len(p.InfraCommand) > 0 {
 		p.InfraContainerSpec.Entrypoint = p.InfraCommand
 	}

diff --git a/test/e2e/config/containers-netns2.conf b/test/e2e/config/containers-netns2.conf
@@ -0,0 +1,3 @@
+[containers]
+
+netns = "bridge"
diff --git a/test/e2e/play_kube_test.go b/test/e2e/play_kube_test.go
@@ -2786,6 +2786,34 @@ invalid kube kind
 		Expect(exists).To(Exit(0))
 	})
 
+	It("podman play kube use network mode from config", func() {
+		confPath, err := filepath.Abs("config/containers-netns2.conf")
+		Expect(err).ToNot(HaveOccurred())
+		os.Setenv("CONTAINERS_CONF", confPath)
+		defer os.Unsetenv("CONTAINERS_CONF")
+		if IsRemote() {
+			podmanTest.RestartRemoteService()
+		}
+
+		pod := getPod()
+		err = generateKubeYaml("pod", pod, kubeYaml)
+		Expect(err).To(BeNil())
+
+		kube := podmanTest.Podman([]string{"play", "kube", kubeYaml})
+		kube.WaitWithDefaultTimeout()
+		Expect(kube).Should(Exit(0))
+
+		podInspect := podmanTest.Podman([]string{"pod", "inspect", pod.Name, "--format", "{{.InfraContainerID}}"})
+		podInspect.WaitWithDefaultTimeout()
+		Expect(podInspect).To(Exit(0))
+		infraID := podInspect.OutputToString()
+
+		inspect := podmanTest.Podman([]string{"inspect", "--format", "{{.HostConfig.NetworkMode}}", infraID})
+		inspect.WaitWithDefaultTimeout()
+		Expect(inspect).To(Exit(0))
+		Expect(inspect.OutputToString()).To(Equal("bridge"))
+	})
+
 	It("podman play kube replace", func() {
 		pod := getPod()
 		err := generateKubeYaml("pod", pod, kubeYaml)