Merge pull request #81 from mkumatag/image-name-check

Add image-name check

cmd/image/qcow2ova/validate/image-name/image-name.go

@@ -0,0 +1,26 @@
+package image_name
+
+// Validate if same image name exist in the folder, don't overwrite
+import (
+	"fmt"
+	"github.com/ppc64le-cloud/pvsadm/pkg"
+	"os"
+)
+
+type Rule struct {
+}
+
+func (p *Rule) String() string {
+	return "image-name"
+}
+
+func (p *Rule) Verify() error {
+	if _, err := os.Stat(pkg.ImageCMDOptions.ImageName + ".ova.gz"); !os.IsNotExist(err) {
+		return fmt.Errorf("file already exist with name: %s", pkg.ImageCMDOptions.ImageName+".ova.gz")
+	}
+	return nil
+}
+
+func (p *Rule) Hint() string {
+	return "Please choose a different image-name and retry"
+}

cmd/image/qcow2ova/validate/register.go

@@ -2,6 +2,7 @@ package validate
 
 import (
 	"github.com/ppc64le-cloud/pvsadm/cmd/image/qcow2ova/validate/diskspace"
+	image_name "github.com/ppc64le-cloud/pvsadm/cmd/image/qcow2ova/validate/image-name"
 	"github.com/ppc64le-cloud/pvsadm/cmd/image/qcow2ova/validate/platform"
 	"github.com/ppc64le-cloud/pvsadm/cmd/image/qcow2ova/validate/tools"
 	"github.com/ppc64le-cloud/pvsadm/cmd/image/qcow2ova/validate/user"
@@ -11,6 +12,7 @@ func init() {
 	//TODO: Add Operating system check
 	AddRule(&user.Rule{})
 	AddRule(&platform.Rule{})
+	AddRule(&image_name.Rule{})
 	AddRule(&tools.Rule{})
 	AddRule(&diskspace.Rule{})
 }