fix(etcd): rename ignore to force

It was suprising that the ignore file deleted node configuration. Change
the name to force!

etcd.go

@@ -40,7 +40,7 @@ var cluster []string
 var argInfo Info
 var dirPath string
 
-var ignore bool
+var force bool
 
 var maxSize int
 
@@ -74,7 +74,7 @@ func init() {
 
 	flag.StringVar(&dirPath, "d", ".", "the directory to store log and snapshot")
 
-	flag.BoolVar(&ignore, "i", false, "ignore the old configuration, create a new node")
+	flag.BoolVar(&force, "f", false, "force new node configuration if existing is found (WARNING: data loss!)")
 
 	flag.BoolVar(&snapshot, "snapshot", false, "open or close snapshot")
 
@@ -531,8 +531,7 @@ func getInfo(path string) *Info {
 	infoPath := fmt.Sprintf("%s/info", path)
 
 	// Delete the old configuration if exist
-	if ignore {
+	if force {
-
 		logPath := fmt.Sprintf("%s/log", path)
 		confPath := fmt.Sprintf("%s/conf", path)
 		snapshotPath := fmt.Sprintf("%s/snapshot", path)
@@ -540,7 +539,6 @@ func getInfo(path string) *Info {
 		os.Remove(logPath)
 		os.Remove(confPath)
 		os.RemoveAll(snapshotPath)
-
 	}
 
 	info := parseInfo(infoPath)

etcd_test.go

@@ -14,7 +14,7 @@ import (
 func TestSingleNode(t *testing.T) {
 	procAttr := new(os.ProcAttr)
 	procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
-	args := []string{"etcd", "-i", "-d=/tmp/node1"}
+	args := []string{"etcd", "-f", "-d=/tmp/node1"}
 
 	process, err := os.StartProcess("etcd", args, procAttr)
 	if err != nil {
@@ -58,7 +58,7 @@ func TestSingleNodeRecovery(t *testing.T) {
 	procAttr.Files = []*os.File{nil, os.Stdout, os.Stderr}
 	args := []string{"etcd", "-d=/tmp/node1"}
 
-	process, err := os.StartProcess("etcd", append(args, "-i"), procAttr)
+	process, err := os.StartProcess("etcd", append(args, "-f"), procAttr)
 	if err != nil {
 		t.Fatal("start process failed:" + err.Error())
 		return

test.go

@@ -70,7 +70,7 @@ func createCluster(size int, procAttr *os.ProcAttr) ([][]string, []*os.Process,
 
 	for i, _ := range etcds {
 		var err error
-		etcds[i], err = os.StartProcess("etcd", append(argGroup[i], "-i"), procAttr)
+		etcds[i], err = os.StartProcess("etcd", append(argGroup[i], "-f"), procAttr)
 		if err != nil {
 			return nil, nil, err
 		}