50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
// +build linux
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package libcontainer
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import (
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"os"
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"github.com/opencontainers/runc/libcontainer/apparmor"
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"github.com/opencontainers/runc/libcontainer/keys"
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"github.com/opencontainers/runc/libcontainer/label"
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"github.com/opencontainers/runc/libcontainer/seccomp"
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"github.com/opencontainers/runc/libcontainer/system"
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)
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// linuxSetnsInit performs the container's initialization for running a new process
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// inside an existing container.
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type linuxSetnsInit struct {
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config *initConfig
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}
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func (l *linuxSetnsInit) Init() error {
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// do not inherit the parent's session keyring
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if _, err := keyctl.JoinSessionKeyring("_ses"); err != nil {
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return err
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}
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if err := setupRlimits(l.config.Config); err != nil {
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return err
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}
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if err := setOomScoreAdj(l.config.Config.OomScoreAdj); err != nil {
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return err
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}
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if l.config.Config.Seccomp != nil {
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if err := seccomp.InitSeccomp(l.config.Config.Seccomp); err != nil {
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return err
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}
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}
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if err := finalizeNamespace(l.config); err != nil {
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return err
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}
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if err := apparmor.ApplyProfile(l.config.Config.AppArmorProfile); err != nil {
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return err
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}
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if l.config.Config.ProcessLabel != "" {
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if err := label.SetProcessLabel(l.config.Config.ProcessLabel); err != nil {
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return err
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}
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}
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return system.Execv(l.config.Args[0], l.config.Args[0:], os.Environ())
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}
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