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fix pod creation with "new:" syntax

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When you execute podman create/run with the --pod new:<name> syntax
the pod was created but the namespaces where not shared and
therefore containers could not communicate over localhost.

Add the default namespaces and pass the network options to the
pod create options.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>
This commit is contained in:
Paul Holzinger
2020-07-29 21:58:46 +02:00
parent 7a15be546a
commit 949dfc85a0
4 changed files with 16 additions and 9 deletions
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13
cmd/podman/containers/create.go
View File

@ -124,7 +124,7 @@ func create(cmd *cobra.Command, args []string) error {
return err
}
if _, err := createPodIfNecessary(s); err != nil {
if _, err := createPodIfNecessary(s, cliVals.Net); err != nil {
return err
}
@ -283,7 +283,7 @@ func openCidFile(cidfile string) (*os.File, error) {
// createPodIfNecessary automatically creates a pod when requested. if the pod name
// has the form new:ID, the pod ID is created and the name in the spec generator is replaced
// with ID.
func createPodIfNecessary(s *specgen.SpecGenerator) (*entities.PodCreateReport, error) {
func createPodIfNecessary(s *specgen.SpecGenerator, netOpts *entities.NetOptions) (*entities.PodCreateReport, error) {
if !strings.HasPrefix(s.Pod, "new:") {
return nil, nil
}
@ -292,11 +292,10 @@ func createPodIfNecessary(s *specgen.SpecGenerator) (*entities.PodCreateReport,
return nil, errors.Errorf("new pod name must be at least one character")
}
createOptions := entities.PodCreateOptions{
Name: podName,
Infra: true,
Net: &entities.NetOptions{
PublishPorts: s.PortMappings,
},
Name: podName,
Infra: true,
Net: netOpts,
CreateCommand: os.Args,
}
s.Pod = podName
return registry.ContainerEngine().PodCreate(context.Background(), createOptions)

2
cmd/podman/containers/run.go
View File

@ -176,7 +176,7 @@ func run(cmd *cobra.Command, args []string) error {
}
runOpts.Spec = s
if _, err := createPodIfNecessary(s); err != nil {
if _, err := createPodIfNecessary(s, cliVals.Net); err != nil {
return err
}

4
pkg/specgen/generate/namespaces.go
View File

@ -462,6 +462,10 @@ func specConfigureNamespaces(s *specgen.SpecGenerator, g *generate.Generator, rt
func GetNamespaceOptions(ns []string) ([]libpod.PodCreateOption, error) {
var options []libpod.PodCreateOption
var erroredOptions []libpod.PodCreateOption
if ns == nil {
//set the default namespaces
ns = strings.Split(specgen.DefaultKernelNamespaces, ",")
}
for _, toShare := range ns {
switch toShare {
case "cgroup":

6
test/e2e/run_test.go
View File

@ -812,7 +812,11 @@ USER mail`
})
It("podman run --pod automatically", func() {
session := podmanTest.Podman([]string{"run", "--pod", "new:foobar", ALPINE, "ls"})
session := podmanTest.Podman([]string{"run", "-d", "--pod", "new:foobar", ALPINE, "nc", "-l", "-p", "8080"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"run", "--pod", "foobar", ALPINE, "/bin/sh", "-c", "echo test | nc -w 1 127.0.0.1 8080"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))