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chore(etcd): un-nest error handling logic

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This commit is contained in:
Brandon Philips 2013-08-08 13:11:50 -07:00
parent 99d69cf842
commit 27000cf5df
1 changed files with 47 additions and 32 deletions
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79
etcd.go
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@ -499,6 +499,30 @@ func securityType(source int) int {
return -1
}
func parseInfo(path string) *Info {
file, err := os.Open(path)
if err != nil {
return nil
}
info := &Info{}
defer file.Close()
content, err := ioutil.ReadAll(file)
if err != nil {
fatalf("Unable to read info: %v", err)
return nil
}
if err = json.Unmarshal(content, &info); err != nil {
fatalf("Unable to parse info: %v", err)
return nil
}
return info
}
// Get the server info from previous conf file
// or from the user
func getInfo(path string) *Info {
@ -519,40 +543,31 @@ func getInfo(path string) *Info {
}
if file, err := os.Open(infoPath); err == nil {
info := &Info{}
if content, err := ioutil.ReadAll(file); err != nil {
fatalf("Unable to read info: %v", err)
} else {
if err = json.Unmarshal(content, &info); err != nil {
fatalf("Unable to parse info: %v", err)
}
}
fmt.Printf("Found node configuration in '%s". Ignoring flags.\n", infoPath)
file.Close()
return info
} else {
// Otherwise ask user for info and write it to file.
argInfo.Hostname = strings.TrimSpace(argInfo.Hostname)
if argInfo.Hostname == "" {
fatal("Please give the address of the local machine")
}
fmt.Println("address ", argInfo.Hostname)
info := &argInfo
// Write to file.
content, _ := json.Marshal(info)
content = []byte(string(content) + "\n")
if err := ioutil.WriteFile(infoPath, content, 0644); err != nil {
fatalf("Unable to write info to file: %v", err)
}
info := parseInfo(infoPath)
if info != nil {
fmt.Printf("Found node configuration in '%s'. Ignoring flags.\n", infoPath)
return info
}
// Otherwise ask user for info and write it to file.
argInfo.Hostname = strings.TrimSpace(argInfo.Hostname)
if argInfo.Hostname == "" {
fatal("Please give the address of the local machine")
}
info = &argInfo
// Write to file.
content, _ := json.Marshal(info)
content = []byte(string(content) + "\n")
if err := ioutil.WriteFile(infoPath, content, 0644); err != nil {
fatalf("Unable to write info to file: %v", err)
}
fmt.Printf("Wrote node configuration to '%s'.\n", infoPath)
return info
}
// Create client auth certpool