From 35c1ee336b5714b077c0007ed6c37149bd965260 Mon Sep 17 00:00:00 2001
From: yangshukui <yangshukui@huawei.com>
Date: Fri, 27 Apr 2018 20:24:42 +0800
Subject: [PATCH 35/94] runc-17: Add root to HookState for
 compatibility.

[Changelog]:refactor HookState for backward compatibility.
[Author]:Shukui Yang

Change-Id: I471a748005fe5a7be69d5a857944bf8599408c3b
Signed-off-by: yangshukui <yangshukui@huawei.com>
---
 libcontainer/configs/config.go  |  8 +++++++-
 libcontainer/container_linux.go | 22 ++++++++++++++--------
 libcontainer/process_linux.go   | 22 ++++++++++++++--------
 libcontainer/state_linux.go     |  9 ++++++---
 4 files changed, 41 insertions(+), 20 deletions(-)

diff --git a/libcontainer/configs/config.go b/libcontainer/configs/config.go
index 98f4b85..af25972 100644
--- a/libcontainer/configs/config.go
+++ b/libcontainer/configs/config.go
@@ -259,8 +259,14 @@ func (hooks Hooks) MarshalJSON() ([]byte, error) {
 	})
 }
 
+// Alias of specs.State
+type SpecState specs.State
+
 // HookState is the payload provided to a hook on execution.
-type HookState specs.State
+type HookState struct {
+	SpecState
+	Root string `json:"root"`
+}
 
 type Hook interface {
 	// Run executes the hook with the provided state.
diff --git a/libcontainer/container_linux.go b/libcontainer/container_linux.go
index 173a3f0..ea6ef4c 100644
--- a/libcontainer/container_linux.go
+++ b/libcontainer/container_linux.go
@@ -275,10 +275,13 @@ func (c *linuxContainer) start(process *Process, isInit bool) error {
 
 		if c.config.Hooks != nil {
 			s := configs.HookState{
-				Version: c.config.Version,
-				ID:      c.id,
-				Pid:     parent.pid(),
-				Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+				SpecState: configs.SpecState{
+					Version: c.config.Version,
+					ID:      c.id,
+					Pid:     parent.pid(),
+					Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+				},
+				Root: c.config.Rootfs,
 			}
 			for i, hook := range c.config.Hooks.Poststart {
 				if err := hook.Run(s); err != nil {
@@ -1243,10 +1246,13 @@ func (c *linuxContainer) criuNotifications(resp *criurpc.CriuResp, process *Proc
 	case notify.GetScript() == "setup-namespaces":
 		if c.config.Hooks != nil {
 			s := configs.HookState{
-				Version: c.config.Version,
-				ID:      c.id,
-				Pid:     int(notify.GetPid()),
-				Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+				SpecState: configs.SpecState{
+					Version: c.config.Version,
+					ID:      c.id,
+					Pid:     int(notify.GetPid()),
+					Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+				},
+				Root: c.config.Rootfs,
 			}
 			for i, hook := range c.config.Hooks.Prestart {
 				if err := hook.Run(s); err != nil {
diff --git a/libcontainer/process_linux.go b/libcontainer/process_linux.go
index bfe9955..c9fb202 100644
--- a/libcontainer/process_linux.go
+++ b/libcontainer/process_linux.go
@@ -292,10 +292,13 @@ func (p *initProcess) start() error {
 			if !p.config.Config.Namespaces.Contains(configs.NEWNS) {
 				if p.config.Config.Hooks != nil {
 					s := configs.HookState{
-						Version: p.container.config.Version,
-						ID:      p.container.id,
-						Pid:     p.pid(),
-						Bundle:  utils.SearchLabels(p.config.Config.Labels, "bundle"),
+						SpecState: configs.SpecState{
+							Version: p.container.config.Version,
+							ID:      p.container.id,
+							Pid:     p.pid(),
+							Bundle:  utils.SearchLabels(p.config.Config.Labels, "bundle"),
+						},
+						Root: p.config.Config.Rootfs,
 					}
 					for i, hook := range p.config.Config.Hooks.Prestart {
 						if err := hook.Run(s); err != nil {
@@ -312,10 +315,13 @@ func (p *initProcess) start() error {
 		case procHooks:
 			if p.config.Config.Hooks != nil {
 				s := configs.HookState{
-					Version: p.container.config.Version,
-					ID:      p.container.id,
-					Pid:     p.pid(),
-					Bundle:  utils.SearchLabels(p.config.Config.Labels, "bundle"),
+					SpecState: configs.SpecState{
+						Version: p.container.config.Version,
+						ID:      p.container.id,
+						Pid:     p.pid(),
+						Bundle:  utils.SearchLabels(p.config.Config.Labels, "bundle"),
+					},
+					Root: p.config.Config.Rootfs,
 				}
 				for i, hook := range p.config.Config.Hooks.Prestart {
 					if err := hook.Run(s); err != nil {
diff --git a/libcontainer/state_linux.go b/libcontainer/state_linux.go
index 62878ac..9f8def2 100644
--- a/libcontainer/state_linux.go
+++ b/libcontainer/state_linux.go
@@ -58,9 +58,12 @@ func destroy(c *linuxContainer) error {
 func runPoststopHooks(c *linuxContainer) error {
 	if c.config.Hooks != nil {
 		s := configs.HookState{
-			Version: c.config.Version,
-			ID:      c.id,
-			Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+			SpecState: configs.SpecState{
+				Version: c.config.Version,
+				ID:      c.id,
+				Bundle:  utils.SearchLabels(c.config.Labels, "bundle"),
+			},
+			Root: c.config.Rootfs,
 		}
 		for _, hook := range c.config.Hooks.Poststop {
 			if err := hook.Run(s); err != nil {
-- 
2.7.4.3