kata-containers/runtime/patches/0095-kata-runtime-fix-qemu-process-resource-resi.patch

From eae6c9cf1d875b28cde530ac337578bc5e301762 Mon Sep 17 00:00:00 2001
From: jiangpengfei <jiangpengfei9@huawei.com>
Date: Wed, 14 Jul 2021 18:16:22 -0400
Subject: [PATCH] kata-runtime: fix qemu process resource residuals
reason: fix qemu process resource residuals
Change-Id: Ic16c949fde62a6f662e00d0608c2285bfaf737d0
Signed-off-by: jiangpengfei <jiangpengfei9@huawei.com>
---
 cli/delete.go               |  4 ++++
 pkg/katautils/oci.go        | 25 +++++++++++++++++++++++++
 virtcontainers/container.go | 14 +++++++-------
 3 files changed, 36 insertions(+), 7 deletions(-)
diff --git a/cli/delete.go b/cli/delete.go
index 1e6dfa5..cd7eb77 100644
--- a/cli/delete.go
+++ b/cli/delete.go
@@ -131,6 +131,10 @@ func delete(ctx context.Context, containerID string, force bool) error {
 		if err := deleteSandbox(ctx, sandboxID, force); err != nil {
 			return err
 		}
+
+		if err := katautils.DelSandboxIDMapping(ctx, sandboxID); err != nil {
+			kataLog.Errorf("delete all sandbox related container mapping failed: %v", err)
+		}
 	case vc.PodContainer:
 		if err := deleteContainer(ctx, sandboxID, containerID, force); err != nil {
 			// If err info containers "no such file or directory, because pod_sandbox type
diff --git a/pkg/katautils/oci.go b/pkg/katautils/oci.go
index 1334af3..053c284 100644
--- a/pkg/katautils/oci.go
+++ b/pkg/katautils/oci.go
@@ -113,3 +113,28 @@ func DelContainerIDMapping(ctx context.Context, containerID string) error {
 
 	return os.RemoveAll(path)
 }
+
+func DelSandboxIDMapping(ctx context.Context, sandboxID string) error {
+	if sandboxID == "" {
+		return fmt.Errorf("Missing Sandbox ID")
+	}
+
+	files, err := ioutil.ReadDir(ctrsMapTreePath)
+	if err != nil {
+		return err
+	}
+	for _, f := range files {
+		parentID, err := FetchContainerIDMapping(f.Name())
+		if err != nil {
+			return err
+		}
+
+		if parentID == sandboxID {
+			err = DelContainerIDMapping(ctx, f.Name())
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
diff --git a/virtcontainers/container.go b/virtcontainers/container.go
index 724b58c..fa7d0ea 100644
--- a/virtcontainers/container.go
+++ b/virtcontainers/container.go
@@ -1126,13 +1126,6 @@ func (c *Container) stop(force bool) error {
 		return nil
 	}
 
-	// If container state is unhealthy, just force kill the container
-	if c.state.State == types.StateUnhealthy {
-		c.forceKillContainer()
-		// after force kill container, then change container state to stopped
-		return c.setContainerState(types.StateStopped)
-	}
-
 	if err := c.state.ValidTransition(c.state.State, types.StateStopped); err != nil {
 		return err
 	}
@@ -1155,6 +1148,13 @@ func (c *Container) stop(force bool) error {
 
 	}()
 
+	// If container state is unhealthy, just force kill the container
+	if c.state.State == types.StateUnhealthy {
+		c.forceKillContainer()
+		// after force kill container, then change container state to stopped
+		return c.setContainerState(types.StateStopped)
+	}
+
 	// Here we expect that stop() has been called because the container
 	// process returned or because it received a signal. In case of a
 	// signal, we want to give it some time to end the container process.
-- 
1.8.3.1