/**
* [HttpBackends description]
*/
func HttpBackends() {
url := get("consul") + "/v1/catalog/services"
request := gorequest.New().Timeout(10 * 1000 * time.Millisecond)
_, body, err := request.Get(url).EndBytes()
if err != nil {
fmt.Println(err)
return
}
debug("service list:%s", body)
json, _ := simplejson.NewJson(body)
data, _ := json.Map()
// nodes = make([]serviceNode, len(arr))
services := make([]string, 0)
backendTagArr := strings.Split(get("backendTag"), ",")
for name, _ := range data {
for _, backendTag := range backendTagArr {
tags, _ := json.GetPath(name).Array()
index := indexOf(backendTag, tags)
if index == -1 {
break
}
index = indexOf(name, services)
if index == -1 {
services = append(services, name)
}
}
}
for _, name := range services {
nodes := getService(name)
debug("ndoes:%s", nodes)
}
}
/**
* [getService description]
* @param {[type]} service string [description]
* @return {[type]} [description]
*/
func getService(service string) (nodes []*simplejson.Json) {
url := get("consul") + "/v1/catalog/service/" + service
debug("get service url:%s", url)
request := gorequest.New().Timeout(2000 * time.Millisecond)
_, body, err := request.Get(url).EndBytes()
if err != nil {
panic("get service from consul fail")
}
debug("get service:%s", body)
json, _ := simplejson.NewJson(body)
arr, _ := json.Array()
nodes = make([]*simplejson.Json, len(arr))
for i, _ := range arr {
tmp := json.GetIndex(i)
weightKey := "weight:"
weight := 1
for _, tag := range tmp.Get("ServiceTags").MustStringArray() {
if strings.Index(tag, weightKey) == 0 {
tmpWeight, _ := strconv.Atoi(tag[len(weightKey):])
weight = tmpWeight
}
}
t := simplejson.New()
t.Set("name", tmp.Get("ServiceName").MustString())
t.Set("ip", tmp.Get("ServiceAddress").MustString())
t.Set("port", tmp.Get("ServicePort").MustInt())
t.Set("weight", weight)
nodes[i] = t
}
return
}
