all: use osutil.IsExist instead of os.Stat

3 files changed, 11 insertions, 11 deletions

diff --git a/vm/kvm/kvm.go b/vm/kvm/kvm.go
index c18ed27c7..5c4c0f036 100644
--- a/vm/kvm/kvm.go
+++ b/vm/kvm/kvm.go
@@ -78,8 +78,8 @@ func ctor(env *vmimpl.Env) (vmimpl.Pool, error) {
 	if _, err := exec.LookPath(cfg.Lkvm); err != nil {
 		return nil, err
 	}
-	if _, err := os.Stat(cfg.Kernel); err != nil {
-		return nil, fmt.Errorf("kernel file '%v' does not exist: %v", cfg.Kernel, err)
+	if !osutil.IsExist(cfg.Kernel) {
+		return nil, fmt.Errorf("kernel file '%v' does not exist", cfg.Kernel)
 	}
 	if cfg.Cpu < 1 || cfg.Cpu > 1024 {
 		return nil, fmt.Errorf("invalid config param cpu: %v, want [1-1024]", cfg.Cpu)
@@ -268,7 +268,7 @@ func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command strin
 				resultErr = vmimpl.TimeoutErr
 				break loop
 			case <-secondTicker.C:
-				if _, err := os.Stat(cmdFile); err != nil {
+				if !osutil.IsExist(cmdFile) {
 					resultErr = nil
 					break loop
 				}
diff --git a/vm/odroid/odroid.go b/vm/odroid/odroid.go
index dcc4135b6..69c77b9c6 100644
--- a/vm/odroid/odroid.go
+++ b/vm/odroid/odroid.go
@@ -76,11 +76,11 @@ func ctor(env *vmimpl.Env) (vmimpl.Pool, error) {
 	if cfg.Hub_Port == 0 {
 		return nil, fmt.Errorf("config param hub_port is empty")
 	}
-	if _, err := os.Stat(cfg.Sshkey); err != nil {
-		return nil, fmt.Errorf("ssh key '%v' does not exist: %v", cfg.Sshkey, err)
+	if !osutil.IsExist(cfg.Sshkey) {
+		return nil, fmt.Errorf("ssh key '%v' does not exist", cfg.Sshkey)
 	}
-	if _, err := os.Stat(cfg.Console); err != nil {
-		return nil, fmt.Errorf("console file '%v' does not exist: %v", cfg.Console, err)
+	if !osutil.IxExist(cfg.Console) {
+		return nil, fmt.Errorf("console file '%v' does not exist", cfg.Console)
 	}
 	pool := &Pool{
 		cfg: cfg,
diff --git a/vm/qemu/qemu.go b/vm/qemu/qemu.go
index ba0cb6f78..62fb408f9 100644
--- a/vm/qemu/qemu.go
+++ b/vm/qemu/qemu.go
@@ -83,11 +83,11 @@ func ctor(env *vmimpl.Env) (vmimpl.Pool, error) {
 			return nil, fmt.Errorf("9p image requires kernel")
 		}
 	} else {
-		if _, err := os.Stat(env.Image); err != nil {
-			return nil, fmt.Errorf("image file '%v' does not exist: %v", env.Image, err)
+		if !osutil.IsExist(env.Image) {
+			return nil, fmt.Errorf("image file '%v' does not exist", env.Image)
 		}
-		if _, err := os.Stat(cfg.Sshkey); err != nil {
-			return nil, fmt.Errorf("ssh key '%v' does not exist: %v", cfg.Sshkey, err)
+		if !osutil.IsExist(cfg.Sshkey) {
+			return nil, fmt.Errorf("ssh key '%v' does not exist", cfg.Sshkey)
 		}
 	}
 	if cfg.Cpu <= 0 || cfg.Cpu > 1024 {