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Diffstat (limited to 'cmd/podman/create.go')
-rw-r--r--cmd/podman/create.go132
1 files changed, 42 insertions, 90 deletions
diff --git a/cmd/podman/create.go b/cmd/podman/create.go
index dae429047..065d08df4 100644
--- a/cmd/podman/create.go
+++ b/cmd/podman/create.go
@@ -4,6 +4,7 @@ import (
"context"
"encoding/json"
"fmt"
+ "io/ioutil"
"os"
"path/filepath"
"strconv"
@@ -15,13 +16,11 @@ import (
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/image"
ann "github.com/containers/libpod/pkg/annotations"
- "github.com/containers/libpod/pkg/apparmor"
"github.com/containers/libpod/pkg/inspect"
ns "github.com/containers/libpod/pkg/namespaces"
"github.com/containers/libpod/pkg/rootless"
cc "github.com/containers/libpod/pkg/spec"
"github.com/containers/libpod/pkg/util"
- libpodVersion "github.com/containers/libpod/version"
"github.com/docker/docker/pkg/signal"
"github.com/docker/go-connections/nat"
"github.com/docker/go-units"
@@ -146,7 +145,7 @@ func createContainer(c *cli.Context, runtime *libpod.Runtime) (*libpod.Container
return nil, nil, err
}
- ctr, err := createContainerFromCreateConfig(runtime, createConfig, ctx)
+ ctr, err := createContainerFromCreateConfig(runtime, createConfig, ctx, nil)
if err != nil {
return nil, nil, err
}
@@ -162,83 +161,9 @@ func createContainer(c *cli.Context, runtime *libpod.Runtime) (*libpod.Container
return ctr, createConfig, nil
}
-// Checks if a user-specified AppArmor profile is loaded, or loads the default profile if
-// AppArmor is enabled.
-// Any interaction with AppArmor requires root permissions.
-func loadAppArmor(config *cc.CreateConfig) error {
- if rootless.IsRootless() {
- noAAMsg := "AppArmor security is not available in rootless mode"
- switch config.ApparmorProfile {
- case "":
- logrus.Warn(noAAMsg)
- case "unconfined":
- default:
- return fmt.Errorf(noAAMsg)
- }
- return nil
- }
-
- if config.ApparmorProfile == "" && apparmor.IsEnabled() {
- // Unless specified otherwise, make sure that the default AppArmor
- // profile is installed. To avoid redundantly loading the profile
- // on each invocation, check if it's loaded before installing it.
- // Suffix the profile with the current libpod version to allow
- // loading the new, potentially updated profile after an update.
- profile := fmt.Sprintf("%s-%s", apparmor.DefaultLibpodProfile, libpodVersion.Version)
-
- loadProfile := func() error {
- isLoaded, err := apparmor.IsLoaded(profile)
- if err != nil {
- return err
- }
- if !isLoaded {
- err = apparmor.InstallDefault(profile)
- if err != nil {
- return err
- }
-
- }
- return nil
- }
-
- if err := loadProfile(); err != nil {
- switch err {
- case apparmor.ErrApparmorUnsupported:
- // do not set the profile when AppArmor isn't supported
- logrus.Debugf("AppArmor is not supported: setting empty profile")
- default:
- return err
- }
- } else {
- logrus.Infof("Sucessfully loaded AppAmor profile '%s'", profile)
- config.ApparmorProfile = profile
- }
- } else if config.ApparmorProfile != "" && config.ApparmorProfile != "unconfined" {
- if !apparmor.IsEnabled() {
- return fmt.Errorf("Profile specified but AppArmor is disabled on the host")
- }
-
- isLoaded, err := apparmor.IsLoaded(config.ApparmorProfile)
- if err != nil {
- switch err {
- case apparmor.ErrApparmorUnsupported:
- return fmt.Errorf("Profile specified but AppArmor is not supported")
- default:
- return fmt.Errorf("Error checking if AppArmor profile is loaded: %v", err)
- }
- }
- if !isLoaded {
- return fmt.Errorf("The specified AppArmor profile '%s' is not loaded", config.ApparmorProfile)
- }
- }
-
- return nil
-}
-
func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
var (
labelOpts []string
- err error
)
if config.PidMode.IsHost() {
@@ -248,7 +173,11 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
if err != nil {
return errors.Wrapf(err, "container %q not found", config.PidMode.Container())
}
- labelOpts = append(labelOpts, label.DupSecOpt(ctr.ProcessLabel())...)
+ secopts, err := label.DupSecOpt(ctr.ProcessLabel())
+ if err != nil {
+ return errors.Wrapf(err, "failed to duplicate label %q ", ctr.ProcessLabel())
+ }
+ labelOpts = append(labelOpts, secopts...)
}
if config.IpcMode.IsHost() {
@@ -258,7 +187,11 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
if err != nil {
return errors.Wrapf(err, "container %q not found", config.IpcMode.Container())
}
- labelOpts = append(labelOpts, label.DupSecOpt(ctr.ProcessLabel())...)
+ secopts, err := label.DupSecOpt(ctr.ProcessLabel())
+ if err != nil {
+ return errors.Wrapf(err, "failed to duplicate label %q ", ctr.ProcessLabel())
+ }
+ labelOpts = append(labelOpts, secopts...)
}
for _, opt := range securityOpts {
@@ -283,10 +216,6 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
}
}
- if err := loadAppArmor(config); err != nil {
- return err
- }
-
if config.SeccompProfilePath == "" {
if _, err := os.Stat(libpod.SeccompOverridePath); err == nil {
config.SeccompProfilePath = libpod.SeccompOverridePath
@@ -304,7 +233,7 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
}
}
config.LabelOpts = labelOpts
- return err
+ return nil
}
// isPortInPortBindings determines if an exposed host port is in user
@@ -501,6 +430,16 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
}
if c.IsSet("pod") {
if strings.HasPrefix(originalPodName, "new:") {
+ if rootless.IsRootless() {
+ // To create a new pod, we must immediately create the userns.
+ became, ret, err := rootless.BecomeRootInUserNS()
+ if err != nil {
+ return nil, err
+ }
+ if became {
+ os.Exit(ret)
+ }
+ }
// pod does not exist; lets make it
var podOptions []libpod.PodCreateOption
podOptions = append(podOptions, libpod.WithPodName(podName), libpod.WithInfraContainer(), libpod.WithPodCgroups())
@@ -809,6 +748,16 @@ func parseCreateOpts(ctx context.Context, c *cli.Context, runtime *libpod.Runtim
Syslog: c.GlobalBool("syslog"),
}
+ if c.Bool("init") {
+ initPath := c.String("init-path")
+ if initPath == "" {
+ initPath = runtime.GetConfig().InitPath
+ }
+ if err := config.AddContainerInitBinary(initPath); err != nil {
+ return nil, err
+ }
+ }
+
if config.Privileged {
config.LabelOpts = label.DisableSecOpt()
} else {
@@ -855,11 +804,15 @@ func joinOrCreateRootlessUserNamespace(createConfig *cc.CreateConfig, runtime *l
if s != libpod.ContainerStateRunning && s != libpod.ContainerStatePaused {
continue
}
- pid, err := prevCtr.PID()
+ data, err := ioutil.ReadFile(prevCtr.Config().ConmonPidFile)
if err != nil {
- return false, -1, err
+ return false, -1, errors.Wrapf(err, "cannot read conmon PID file %q", prevCtr.Config().ConmonPidFile)
}
- return rootless.JoinNS(uint(pid))
+ conmonPid, err := strconv.Atoi(string(data))
+ if err != nil {
+ return false, -1, errors.Wrapf(err, "cannot parse PID %q", data)
+ }
+ return rootless.JoinDirectUserAndMountNS(uint(conmonPid))
}
}
@@ -887,17 +840,16 @@ func joinOrCreateRootlessUserNamespace(createConfig *cc.CreateConfig, runtime *l
return rootless.BecomeRootInUserNS()
}
-func createContainerFromCreateConfig(r *libpod.Runtime, createConfig *cc.CreateConfig, ctx context.Context) (*libpod.Container, error) {
+func createContainerFromCreateConfig(r *libpod.Runtime, createConfig *cc.CreateConfig, ctx context.Context, pod *libpod.Pod) (*libpod.Container, error) {
runtimeSpec, err := cc.CreateConfigToOCISpec(createConfig)
if err != nil {
return nil, err
}
- options, err := createConfig.GetContainerCreateOptions(r)
+ options, err := createConfig.GetContainerCreateOptions(r, pod)
if err != nil {
return nil, err
}
-
became, ret, err := joinOrCreateRootlessUserNamespace(createConfig, r)
if err != nil {
return nil, err