packages/lxcfs-tools
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Package init

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This commit is contained in:
dogsheng 2019-12-25 15:50:46 +08:00
parent e6adce48b9
commit 2e3e328707
2 changed files with 13 additions and 39 deletions
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35
remountcmd.go
View File

@ -179,9 +179,7 @@ func waitForLxcfs() error {
func remountAll(initMountns, initUserns string) error {
isulad_lxcfs_log.Info("begin remount All runing container...")
atLeastLen := 10
index := 9
out, err := execCommond("lcrc", []string{"ps"})
out, err := execCommond("lcrc", []string{"ps", "--format", "{{.ID}} {{.Pid}}"})
if err != nil {
return err
}
@ -189,28 +187,23 @@ func remountAll(initMountns, initUserns string) error {
var wg sync.WaitGroup
for _, value := range out {
containerslice := strings.Fields(value)
if len(containerslice) < atLeastLen {
if len(containerslice) < 2 {
continue
}
if containerslice[index] == "ID" {
continue
}
wg.Add(1)
go func() {
defer wg.Done()
res := make(chan struct{}, 1)
go func() {
if err := remountToContainer(initMountns, initUserns, containerslice[index], containerslice[1], true); err != nil {
isulad_lxcfs_log.Errorf("remount lxcfs dir to container(%s) failed: %v", containerslice[index], err)
if err := remountToContainer(initMountns, initUserns, containerslice[0], containerslice[1], true); err != nil {
isulad_lxcfs_log.Errorf("remount lxcfs dir to container(%s) failed: %v", containerslice[0], err)
}
res <- struct{}{}
}()
select {
case <-res:
case <-time.After(30 * time.Second): // 30s timeout
isulad_lxcfs_log.Errorf("remount lxcfs dir to container(%s) timeout", containerslice[index])
isulad_lxcfs_log.Errorf("remount lxcfs dir to container(%s) timeout", containerslice[0])
}
}()
}
@ -264,32 +257,20 @@ func remountToContainer(initMountns, initUserns, containerid string, pid string,
func isContainerExsit(containerid string) (string, error) {
isulad_lxcfs_log.Info("begin isContainerExsit...")
if containerid == "" {
return "", fmt.Errorf("Containerid mustn't be empty")
}
index := -2
out, err := execCommond("lcrc", []string{"ps"})
out, err := execCommond("lcrc", []string{"ps", "--format", "{{.ID}} {{.Pid}}"})
if err != nil {
onfail(err)
}
for _, value := range out {
containerslice := strings.Fields(value)
sz := len(containerslice)
idx := index
if idx < 0 {
idx = sz + index
}
if sz == 0 || idx < 0 {
if len(containerslice) < 2 {
continue
}
if containerslice[idx] == "ID" {
continue
}
if strings.Contains(containerslice[idx], containerid) {
if strings.Contains(containerslice[0], containerid) {
return containerslice[1], nil
}
}

17
umountcmd.go
View File

@ -85,9 +85,7 @@ var umountContainer = cli.Command{
func umountAll(initMountns, initUserns string) error {
isulad_lxcfs_log.Info("begin umount All runing container...")
atLeastLen := 10
index := 9
out, err := execCommond("lcrc", []string{"ps"})
out, err := execCommond("lcrc", []string{"ps", "--format", "{{.ID}} {{.Pid}}"})
if err != nil {
return err
}
@ -95,28 +93,23 @@ func umountAll(initMountns, initUserns string) error {
var wg sync.WaitGroup
for _, value := range out {
containerslice := strings.Fields(value)
if len(containerslice) < atLeastLen {
if len(containerslice) < 2 {
continue
}
if containerslice[index] == "ID" {
continue
}
wg.Add(1)
go func() {
defer wg.Done()
res := make(chan struct{}, 1)
go func() {
if err := umountForContainer(initMountns, initUserns, containerslice[index], containerslice[1], true); err != nil {
isulad_lxcfs_log.Errorf("umount lxcfs dir from container(%s) failed: %v", containerslice[index], err)
if err := umountForContainer(initMountns, initUserns, containerslice[0], containerslice[1], true); err != nil {
isulad_lxcfs_log.Errorf("umount lxcfs dir from container(%s) failed: %v", containerslice[0], err)
}
res <- struct{}{}
}()
select {
case <-res:
case <-time.After(30 * time.Second): // 30s timeout
isulad_lxcfs_log.Errorf("umount lxcfs dir from container(%s) timeout", containerslice[index])
isulad_lxcfs_log.Errorf("umount lxcfs dir from container(%s) timeout", containerslice[0])
}
}()