Commit 52ed4cc2 authored by Ed Bartosh's avatar Ed Bartosh

fix commands running crictl

Running "kubeadm reset --cri-socket unix:///var/run/crio/crio.sock" fails with this error: [reset] Cleaning up running containers using crictl with socket unix:///var/run/crio/crio.sock [reset] Failed to list running pods using crictl. Trying using docker instead. The actual error returned by underlying API os/exec is: fork/exec /usr/bin/crictl -r /var/run/crio/crio.sock info: no such file or directory This is caused by passing full command line instead of executable path as a first parameter to the Command API. Fixed by passing correct parameters to the Command API. Improved error output. Fixed crictl commands stop->stopp, rm->rmp (taken from #63862)
parent 42b63c8b
...@@ -36,12 +36,6 @@ import ( ...@@ -36,12 +36,6 @@ import (
utilsexec "k8s.io/utils/exec" utilsexec "k8s.io/utils/exec"
) )
var (
crictlSandboxesParamsFormat = "%s -r %s sandboxes --quiet | xargs -r"
crictlStopParamsFormat = "%s -r %s stops %s"
crictlRemoveParamsFormat = "%s -r %s rms %s"
)
// NewCmdReset returns the "kubeadm reset" command // NewCmdReset returns the "kubeadm reset" command
func NewCmdReset(out io.Writer) *cobra.Command { func NewCmdReset(out io.Writer) *cobra.Command {
var skipPreFlight bool var skipPreFlight bool
...@@ -183,24 +177,31 @@ func resetWithDocker(execer utilsexec.Interface, dockerCheck preflight.Checker) ...@@ -183,24 +177,31 @@ func resetWithDocker(execer utilsexec.Interface, dockerCheck preflight.Checker)
func resetWithCrictl(execer utilsexec.Interface, dockerCheck preflight.Checker, criSocketPath, crictlPath string) { func resetWithCrictl(execer utilsexec.Interface, dockerCheck preflight.Checker, criSocketPath, crictlPath string) {
if criSocketPath != "" { if criSocketPath != "" {
fmt.Printf("[reset] Cleaning up running containers using crictl with socket %s\n", criSocketPath) fmt.Printf("[reset] Cleaning up running containers using crictl with socket %s\n", criSocketPath)
listcmd := fmt.Sprintf(crictlSandboxesParamsFormat, crictlPath, criSocketPath) fmt.Println("[reset] Listing running pods using crictl")
output, err := execer.Command(listcmd).CombinedOutput() params := []string{"-r", criSocketPath, "pods", "--quiet"}
fmt.Printf("[reset] Executing command %s %s\n", crictlPath, strings.Join(params, " "))
output, err := execer.Command(crictlPath, params...).CombinedOutput()
if err != nil { if err != nil {
fmt.Println("[reset] Failed to list running pods using crictl. Trying using docker instead.") fmt.Printf("[reset] failed to list running pods using crictl: %v. Trying to use docker instead\n", err)
resetWithDocker(execer, dockerCheck) resetWithDocker(execer, dockerCheck)
return return
} }
sandboxes := strings.Split(string(output), " ") sandboxes := strings.Split(string(output), " ")
for _, s := range sandboxes { for _, s := range sandboxes {
stopcmd := fmt.Sprintf(crictlStopParamsFormat, crictlPath, criSocketPath, s) if strings.TrimSpace(s) == "" {
if err := execer.Command(stopcmd).Run(); err != nil { continue
fmt.Println("[reset] Failed to stop the running containers using crictl. Trying using docker instead.") }
params = []string{"-r", criSocketPath, "stopp", s}
fmt.Printf("[reset] Executing command %s %s\n", crictlPath, strings.Join(params, " "))
if err := execer.Command(crictlPath, params...).Run(); err != nil {
fmt.Printf("[reset] failed to stop the running containers using crictl: %v. Trying to use docker instead\n", err)
resetWithDocker(execer, dockerCheck) resetWithDocker(execer, dockerCheck)
return return
} }
removecmd := fmt.Sprintf(crictlRemoveParamsFormat, crictlPath, criSocketPath, s) params = []string{"-r", criSocketPath, "rmp", s}
if err := execer.Command(removecmd).Run(); err != nil { fmt.Printf("[reset] executing command %s %s\n", crictlPath, strings.Join(params, " "))
fmt.Println("[reset] Failed to remove the running containers using crictl. Trying using docker instead.") if err := execer.Command(crictlPath, params...).Run(); err != nil {
fmt.Printf("[reset] failed to remove the running containers using crictl: %v. Trying to use docker instead\n", err)
resetWithDocker(execer, dockerCheck) resetWithDocker(execer, dockerCheck)
return return
} }
......
...@@ -101,11 +101,11 @@ func (CRICheck) Name() string { ...@@ -101,11 +101,11 @@ func (CRICheck) Name() string {
func (criCheck CRICheck) Check() (warnings, errors []error) { func (criCheck CRICheck) Check() (warnings, errors []error) {
crictlPath, err := criCheck.exec.LookPath("crictl") crictlPath, err := criCheck.exec.LookPath("crictl")
if err != nil { if err != nil {
errors = append(errors, fmt.Errorf("unable to find command crictl: %s", err)) errors = append(errors, fmt.Errorf("unable to find command crictl: %v", err))
return warnings, errors return warnings, errors
} }
if err := criCheck.exec.Command(fmt.Sprintf("%s -r %s info", crictlPath, criCheck.socket)).Run(); err != nil { if err := criCheck.exec.Command(crictlPath, "-r", criCheck.socket, "info").Run(); err != nil {
errors = append(errors, fmt.Errorf("unable to check if the container runtime at %q is running: %s", criCheck.socket, err)) errors = append(errors, fmt.Errorf("unable to check if the container runtime at %q is running: %v", criCheck.socket, err))
return warnings, errors return warnings, errors
} }
return warnings, errors return warnings, errors
......
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