// ReadConfig obtains the configuration defined by the user merged with the defaults.
func ReadConfig(conf *api.ConfigMap) config.Configuration {
if len(conf.Data) == 0 {
return config.NewDefault()
}
errors := make([]int, 0)
skipUrls := make([]string, 0)
whitelist := make([]string, 0)
if val, ok := conf.Data[customHTTPErrors]; ok {
delete(conf.Data, customHTTPErrors)
for _, i := range strings.Split(val, ",") {
j, err := strconv.Atoi(i)
if err != nil {
glog.Warningf("%v is not a valid http code: %v", i, err)
} else {
errors = append(errors, j)
}
}
}
if val, ok := conf.Data[skipAccessLogUrls]; ok {
delete(conf.Data, skipAccessLogUrls)
skipUrls = strings.Split(val, ",")
}
if val, ok := conf.Data[whitelistSourceRange]; ok {
delete(conf.Data, whitelistSourceRange)
whitelist = append(whitelist, strings.Split(val, ",")...)
}
to := config.Configuration{}
to.Backend = defaults.Backend{
CustomHTTPErrors: filterErrors(errors),
SkipAccessLogURLs: skipUrls,
WhitelistSourceRange: whitelist,
}
def := config.NewDefault()
if err := mergo.Merge(&to, def); err != nil {
glog.Warningf("unexpected error merging defaults: %v", err)
}
metadata := &mapstructure.Metadata{}
decoder, err := mapstructure.NewDecoder(&mapstructure.DecoderConfig{
TagName: "structs",
Result: &to,
WeaklyTypedInput: true,
Metadata: metadata,
})
err = decoder.Decode(conf.Data)
if err != nil {
glog.Infof("%v", err)
}
return to
}
func TestMergeConfigMapToStruct(t *testing.T) {
/*conf := &api.ConfigMap{
Data: map[string]string{
"custom-http-errors": "300,400",
"proxy-read-timeout": "1",
"proxy-send-timeout": "2",
"skip-access-log-urls": "/log",
},
}*/
def := config.NewDefault()
def.CustomHTTPErrors = []int{300, 400}
def.SkipAccessLogURLs = []string{"/log"}
//to := ReadConfig(conf)
//if !reflect.DeepEqual(def, to) {
// t.Errorf("expected %v but retuned %v", def, to)
//}
}
// BackendDefaults returns the nginx defaults
func (n NGINXController) BackendDefaults() defaults.Backend {
d := config.NewDefault()
return d.Backend
}