github/kata-containers
1
0
Fork 1
mirror of https://github.com/kata-containers/kata-containers.git synced 2025-04-30 04:34:27 +00:00
Code Issues Projects Releases Wiki Activity

runtime: store the user name in hypervisor config

Browse Source 
The user name will be used to delete the user instead of relying on
uid lookup because uid can be reused.

Fixes: #5155

Signed-off-by: Feng Wang <feng.wang@databricks.com>
This commit is contained in:
Feng Wang 2022-09-12 22:09:35 -07:00
parent 5cafe21770
commit f914319874
3 changed files with 11 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/runtime/pkg/containerd-shim-v2/create.go
View File

@ -335,6 +335,7 @@ func configureNonRootHypervisor(runtimeConfig *oci.RuntimeConfig, sandboxId stri
return err
}
runtimeConfig.HypervisorConfig.Uid = uint32(uid)
runtimeConfig.HypervisorConfig.User = userName
runtimeConfig.HypervisorConfig.Gid = uint32(gid)
shimLog.WithFields(logrus.Fields{
"user_name": userName,

3
src/runtime/virtcontainers/hypervisor.go
View File

@ -380,6 +380,9 @@ type HypervisorConfig struct {
// BlockiDeviceAIO specifies the I/O API to be used.
BlockDeviceAIO string
// The user maps to the uid.
User string
// KernelParams are additional guest kernel parameters.
KernelParams []Param

15
src/runtime/virtcontainers/qemu.go
View File

@ -680,7 +680,7 @@ func (q *qemu) checkBpfEnabled() {
q.Logger().WithError(err).Warningf("failed to get bpf_jit_enable status")
return
}
enabled, err := strconv.Atoi(string(out))
enabled, err := strconv.Atoi(strings.TrimSpace(string(out)))
if err != nil {
q.Logger().WithError(err).Warningf("failed to convert bpf_jit_enable status to integer")
return
@ -1063,26 +1063,25 @@ func (q *qemu) cleanupVM() error {
}
if rootless.IsRootless() {
u, err := user.LookupId(strconv.Itoa(int(q.config.Uid)))
if err != nil {
if _, err := user.Lookup(q.config.User); err != nil {
q.Logger().WithError(err).WithFields(
logrus.Fields{
"user": u.Username,
"user": q.config.User,
"uid": q.config.Uid,
}).Warn("failed to find the user")
}).Warn("failed to find the user, it might have been removed")
return nil
}
if err := pkgUtils.RemoveVmmUser(u.Username); err != nil {
if err := pkgUtils.RemoveVmmUser(q.config.User); err != nil {
q.Logger().WithError(err).WithFields(
logrus.Fields{
"user": u.Username,
"user": q.config.User,
"uid": q.config.Uid,
}).Warn("failed to delete the user")
}
q.Logger().WithFields(
logrus.Fields{
"user": u.Username,
"user": q.config.User,
"uid": q.config.Uid,
}).Debug("successfully removed the non root user")
}