func NewReset(skipPreFlight bool) (*Reset, error) {
if !skipPreFlight {
fmt.Println("Running pre-flight checks")
err := preflight.RunResetCheck()
if err != nil {
return nil, &preflight.PreFlightError{Msg: err.Error()}
}
} else {
fmt.Println("Skipping pre-flight checks")
}
return &Reset{}, nil
}
func NewReset(skipPreFlight, removeNode bool) (*Reset, error) {
if !skipPreFlight {
fmt.Println("[preflight] Running pre-flight checks...")
if err := preflight.RunResetCheck(); err != nil {
return nil, &preflight.PreFlightError{Msg: err.Error()}
}
} else {
fmt.Println("[preflight] Skipping pre-flight checks...")
}
return &Reset{
removeNode: removeNode,
}, nil
}
func RunReset(out io.Writer, cmd *cobra.Command, skipPreFlight bool) error {
if !skipPreFlight {
fmt.Println("Running pre-flight checks")
err := preflight.RunResetCheck()
if err != nil {
return &preflight.PreFlightError{Msg: err.Error()}
}
} else {
fmt.Println("Skipping pre-flight checks")
}
serviceToStop := "kubelet"
initSystem, err := initsystem.GetInitSystem()
if err != nil {
fmt.Printf("%v", err)
} else {
fmt.Printf("Stopping the %s service...\n", serviceToStop)
initSystem.ServiceStop(serviceToStop)
}
fmt.Printf("Unmounting directories in /var/lib/kubelet...\n")
// Don't check for errors here, since umount will return a non-zero exit code if there is no directories to umount
exec.Command("sh", "-c", "cat /proc/mounts | awk '{print $2}' | grep '/var/lib/kubelet' | xargs umount").Run()
dirsToRemove := []string{"/var/lib/kubelet", "/var/lib/etcd", "/etc/kubernetes"}
fmt.Printf("Deleting the stateful directories: %v\n", dirsToRemove)
for _, dir := range dirsToRemove {
err := os.RemoveAll(dir)
if err != nil {
fmt.Printf("failed to remove directory: [%v]\n", err)
}
}
dockerCheck := preflight.ServiceCheck{Service: "docker"}
if warnings, errors := dockerCheck.Check(); len(warnings) == 0 && len(errors) == 0 {
fmt.Println("Stopping all running docker containers...")
if err := exec.Command("sh", "-c", "docker ps | grep 'k8s_' | awk '{print $1}' | xargs docker rm --force --volumes").Run(); err != nil {
fmt.Println("failed to stop the running containers")
}
} else {
fmt.Println("docker doesn't seem to be running, skipping the removal of kubernetes containers")
}
return nil
}