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add command line varible -i to ignore the existing configuration

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This commit is contained in:
Xiang Li
2013-06-28 15:04:05 -07:00
parent f67115b935
commit 430f5d50e3
1 changed files with 14 additions and 0 deletions
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14
etcd.go
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@ -46,6 +46,7 @@ var clientCAFile string
var dirPath string var dirPath string
var ignore bool
func init() { func init() {
flag.BoolVar(&verbose, "v", false, "verbose logging") flag.BoolVar(&verbose, "v", false, "verbose logging")
@ -66,6 +67,8 @@ func init() {
flag.StringVar(&clientKeyFile, "clientKey", "", "the key file of the client") flag.StringVar(&clientKeyFile, "clientKey", "", "the key file of the client")
flag.StringVar(&dirPath, "d", "./", "the directory to store log and snapshot") flag.StringVar(&dirPath, "d", "./", "the directory to store log and snapshot")
flag.BoolVar(&ignore, "i", false , "ignore the old configuration, create a new node")
} }
// CONSTANTS // CONSTANTS
@ -392,6 +395,17 @@ func getInfo(path string) *Info {
// Read in the server info if available. // Read in the server info if available.
infoPath := fmt.Sprintf("%s/info", path) infoPath := fmt.Sprintf("%s/info", path)
// delete the old configuration if exist
if ignore {
logPath := fmt.Sprintf("%s/log", path)
snapshotPath := fmt.Sprintf("%s/snapshotPath", path)
os.Remove(infoPath)
os.Remove(logPath)
os.RemoveAll(snapshotPath)
}
if file, err := os.Open(infoPath); err == nil { if file, err := os.Open(infoPath); err == nil {
if content, err := ioutil.ReadAll(file); err != nil { if content, err := ioutil.ReadAll(file); err != nil {
fatal("Unable to read info: %v", err) fatal("Unable to read info: %v", err)