podman

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package lock
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import (
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	"fmt"
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	"path/filepath"
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	"github.com/containers/podman/v5/pkg/machine/env"
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	"github.com/containers/storage/pkg/lockfile"
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)
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func GetMachineLock(name string, machineConfigDir string) (*lockfile.LockFile, error) {
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	lockPath := filepath.Join(machineConfigDir, name+".lock")
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	lock, err := lockfile.GetLockFile(lockPath)
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	if err != nil {
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		return nil, fmt.Errorf("creating lockfile for VM: %w", err)
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	}
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	return lock, nil
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}
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const machineStartLockName = "machine-start.lock"
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// GetMachineStartLock is a lock only used to prevent starting different machines at the same time,
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// This is required as most provides support at max 1 running VM and to check this race free we
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// cannot allows starting two machine.
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func GetMachineStartLock() (*lockfile.LockFile, error) {
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	lockDir, err := env.GetGlobalDataDir()
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	if err != nil {
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		return nil, err
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	}
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	lock, err := lockfile.GetLockFile(filepath.Join(lockDir, machineStartLockName))
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	if err != nil {
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		return nil, err
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	}
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	return lock, nil
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}
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