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-rw-r--r--cmd/podman/create.go65
-rw-r--r--docs/podman-create.1.md3
-rw-r--r--docs/podman-run.1.md3
-rw-r--r--pkg/spec/createconfig.go7
-rw-r--r--test/e2e/create_test.go11
-rw-r--r--test/e2e/run_test.go11
6 files changed, 82 insertions, 18 deletions
diff --git a/cmd/podman/create.go b/cmd/podman/create.go
index bcf830c7c..c40650f83 100644
--- a/cmd/podman/create.go
+++ b/cmd/podman/create.go
@@ -11,6 +11,7 @@ import (
"syscall"
"github.com/containers/libpod/cmd/podman/libpodruntime"
+ "github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
ann "github.com/containers/libpod/pkg/annotations"
@@ -375,8 +376,8 @@ func configureEntrypoint(c *cli.Context, data *inspect.ImageData) []string {
return entrypoint
}
-func configurePod(c *cli.Context, runtime *libpod.Runtime, namespaces map[string]string) (map[string]string, error) {
- pod, err := runtime.LookupPod(c.String("pod"))
+func configurePod(c *cli.Context, runtime *libpod.Runtime, namespaces map[string]string, podName string) (map[string]string, error) {
+ pod, err := runtime.LookupPod(podName)
if err != nil {
return namespaces, err
}
@@ -409,6 +410,7 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
inputCommand, command []string
memoryLimit, memoryReservation, memorySwap, memoryKernel int64
blkioWeight uint16
+ namespaces map[string]string
)
idmappings, err := util.ParseIDMapping(c.StringSlice("uidmap"), c.StringSlice("gidmap"), c.String("subuidname"), c.String("subgidname"))
if err != nil {
@@ -492,12 +494,21 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
return nil, errors.Errorf("--cpu-quota and --cpus cannot be set together")
}
+ // EXPOSED PORTS
+ var portBindings map[nat.Port][]nat.PortBinding
+ if data != nil {
+ portBindings, err = cc.ExposedPorts(c.StringSlice("expose"), c.StringSlice("publish"), c.Bool("publish-all"), data.ContainerConfig.ExposedPorts)
+ if err != nil {
+ return nil, err
+ }
+ }
+
// Kernel Namespaces
// TODO Fix handling of namespace from pod
// Instead of integrating here, should be done in libpod
// However, that also involves setting up security opts
// when the pod's namespace is integrated
- namespaces := map[string]string{
+ namespaces = map[string]string{
"pid": c.String("pid"),
"net": c.String("net"),
"ipc": c.String("ipc"),
@@ -505,8 +516,41 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
"uts": c.String("uts"),
}
+ originalPodName := c.String("pod")
+ podName := strings.Replace(originalPodName, "new:", "", 1)
+ // after we strip out :new, make sure there is something left for a pod name
+ if len(podName) < 1 && c.IsSet("pod") {
+ return nil, errors.Errorf("new pod name must be at least one character")
+ }
if c.IsSet("pod") {
- namespaces, err = configurePod(c, runtime, namespaces)
+ if strings.HasPrefix(originalPodName, "new:") {
+ // pod does not exist; lets make it
+ var podOptions []libpod.PodCreateOption
+ podOptions = append(podOptions, libpod.WithPodName(podName), libpod.WithInfraContainer(), libpod.WithPodCgroups())
+ if len(portBindings) > 0 {
+ ociPortBindings, err := cc.NatToOCIPortBindings(portBindings)
+ if err != nil {
+ return nil, err
+ }
+ podOptions = append(podOptions, libpod.WithInfraContainerPorts(ociPortBindings))
+ }
+
+ podNsOptions, err := shared.GetNamespaceOptions(strings.Split(DefaultKernelNamespaces, ","))
+ if err != nil {
+ return nil, err
+ }
+ podOptions = append(podOptions, podNsOptions...)
+ // make pod
+ pod, err := runtime.NewPod(ctx, podOptions...)
+ if err != nil {
+ return nil, err
+ }
+ logrus.Debugf("pod %s created by new container request", pod.ID())
+
+ // The container now cannot have port bindings; so we reset the map
+ portBindings = make(map[nat.Port][]nat.PortBinding)
+ }
+ namespaces, err = configurePod(c, runtime, namespaces, podName)
if err != nil {
return nil, err
}
@@ -535,7 +579,7 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
// Make sure if network is set to container namespace, port binding is not also being asked for
netMode := ns.NetworkMode(namespaces["net"])
if netMode.IsContainer() {
- if len(c.StringSlice("publish")) > 0 || c.Bool("publish-all") {
+ if len(portBindings) > 0 {
return nil, errors.Errorf("cannot set port bindings on an existing container network namespace")
}
}
@@ -644,15 +688,6 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
return nil, errors.Errorf("No command specified on command line or as CMD or ENTRYPOINT in this image")
}
- // EXPOSED PORTS
- var portBindings map[nat.Port][]nat.PortBinding
- if data != nil {
- portBindings, err = cc.ExposedPorts(c.StringSlice("expose"), c.StringSlice("publish"), c.Bool("publish-all"), data.ContainerConfig.ExposedPorts)
- if err != nil {
- return nil, err
- }
- }
-
// SHM Size
shmSize, err := units.FromHumanSize(c.String("shm-size"))
if err != nil {
@@ -746,7 +781,7 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
NetMode: netMode,
UtsMode: utsMode,
PidMode: pidMode,
- Pod: c.String("pod"),
+ Pod: podName,
Privileged: c.Bool("privileged"),
Publish: c.StringSlice("publish"),
PublishAll: c.Bool("publish-all"),
diff --git a/docs/podman-create.1.md b/docs/podman-create.1.md
index 6fbdd0d03..f1409a554 100644
--- a/docs/podman-create.1.md
+++ b/docs/podman-create.1.md
@@ -455,7 +455,8 @@ Tune the container's pids limit. Set `-1` to have unlimited pids for the contain
**--pod**=""
-Run container in an existing pod
+Run container in an existing pod. If you want podman to make the pod for you, preference the pod name with `new:`.
+To make a pod with more granular options, use the `podman pod create` command before creating a container.
**--privileged**=*true*|*false*
diff --git a/docs/podman-run.1.md b/docs/podman-run.1.md
index a6761a393..5917f6f7a 100644
--- a/docs/podman-run.1.md
+++ b/docs/podman-run.1.md
@@ -439,7 +439,8 @@ Tune the container's pids limit. Set `-1` to have unlimited pids for the contain
**--pod**=""
-Run container in an existing pod
+Run container in an existing pod. If you want podman to make the pod for you, preference the pod name with `new:`.
+To make a pod with more granular options, use the `podman pod create` command before creating a container.
**--privileged**=*true*|*false*
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index a0fd40318..25f8cd7a1 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -496,8 +496,13 @@ func (c *CreateConfig) GetContainerCreateOptions(runtime *libpod.Runtime) ([]lib
// CreatePortBindings iterates ports mappings and exposed ports into a format CNI understands
func (c *CreateConfig) CreatePortBindings() ([]ocicni.PortMapping, error) {
+ return NatToOCIPortBindings(c.PortBindings)
+}
+
+// NatToOCIPortBindings iterates a nat.portmap slice and creates []ocicni portmapping slice
+func NatToOCIPortBindings(ports nat.PortMap) ([]ocicni.PortMapping, error) {
var portBindings []ocicni.PortMapping
- for containerPb, hostPb := range c.PortBindings {
+ for containerPb, hostPb := range ports {
var pm ocicni.PortMapping
pm.ContainerPort = int32(containerPb.Int())
for _, i := range hostPb {
diff --git a/test/e2e/create_test.go b/test/e2e/create_test.go
index 366a58f02..684a7cd88 100644
--- a/test/e2e/create_test.go
+++ b/test/e2e/create_test.go
@@ -189,4 +189,15 @@ var _ = Describe("Podman create", func() {
Expect(session.ExitCode()).To(Equal(0))
Expect(session.OutputToString()).To(ContainSubstring("/create/test rw,nosuid,nodev,noexec,relatime - tmpfs"))
})
+
+ It("podman create --pod automatically", func() {
+ session := podmanTest.Podman([]string{"create", "--pod", "new:foobar", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ check := podmanTest.Podman([]string{"pod", "ps", "--no-trunc"})
+ check.WaitWithDefaultTimeout()
+ match, _ := check.GrepString("foobar")
+ Expect(match).To(BeTrue())
+ })
})
diff --git a/test/e2e/run_test.go b/test/e2e/run_test.go
index 38504828b..aaee7fa53 100644
--- a/test/e2e/run_test.go
+++ b/test/e2e/run_test.go
@@ -628,4 +628,15 @@ USER mail`
isSharedOnly := !strings.Contains(shared[0], "shared,")
Expect(isSharedOnly).Should(BeTrue())
})
+
+ It("podman run --pod automatically", func() {
+ session := podmanTest.Podman([]string{"run", "--pod", "new:foobar", ALPINE, "ls"})
+ session.WaitWithDefaultTimeout()
+ Expect(session.ExitCode()).To(Equal(0))
+
+ check := podmanTest.Podman([]string{"pod", "ps", "--no-trunc"})
+ check.WaitWithDefaultTimeout()
+ match, _ := check.GrepString("foobar")
+ Expect(match).To(BeTrue())
+ })
})
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-15 09:15:19 +0000