consul/vendor/github.com/denverdino/aliyungo/common/endpoint.go

119 lines
2.6 KiB
Go

package common
import (
"encoding/xml"
"fmt"
"io/ioutil"
"os"
"strings"
)
const (
// LocationDefaultEndpoint is the default API endpoint of Location services
locationDefaultEndpoint = "https://location.aliyuncs.com"
locationAPIVersion = "2015-06-12"
HTTP_PROTOCOL = "http"
HTTPS_PROTOCOL = "https"
)
var (
endpoints = make(map[Region]map[string]string)
)
//init endpoints from file
func init() {
}
func NewLocationClient(accessKeyId, accessKeySecret string) *Client {
endpoint := os.Getenv("LOCATION_ENDPOINT")
if endpoint == "" {
endpoint = locationDefaultEndpoint
}
client := &Client{}
client.Init(endpoint, locationAPIVersion, accessKeyId, accessKeySecret)
return client
}
func (client *Client) DescribeEndpoint(args *DescribeEndpointArgs) (*DescribeEndpointResponse, error) {
response := &DescribeEndpointResponse{}
err := client.Invoke("DescribeEndpoint", args, response)
if err != nil {
return nil, err
}
return response, err
}
func getProductRegionEndpoint(region Region, serviceCode string) string {
if sp, ok := endpoints[region]; ok {
if endpoint, ok := sp[serviceCode]; ok {
return endpoint
}
}
return ""
}
func setProductRegionEndpoint(region Region, serviceCode string, endpoint string) {
endpoints[region] = map[string]string{
serviceCode: endpoint,
}
}
func (client *Client) DescribeOpenAPIEndpoint(region Region, serviceCode string) string {
if endpoint := getProductRegionEndpoint(region, serviceCode); endpoint != "" {
return endpoint
}
defaultProtocols := HTTP_PROTOCOL
args := &DescribeEndpointArgs{
Id: region,
ServiceCode: serviceCode,
Type: "openAPI",
}
endpoint, err := client.DescribeEndpoint(args)
if err != nil || endpoint.Endpoint == "" {
return ""
}
for _, protocol := range endpoint.Protocols.Protocols {
if strings.ToLower(protocol) == HTTPS_PROTOCOL {
defaultProtocols = HTTPS_PROTOCOL
break
}
}
ep := fmt.Sprintf("%s://%s", defaultProtocols, endpoint.Endpoint)
setProductRegionEndpoint(region, serviceCode, ep)
return ep
}
func loadEndpointFromFile(region Region, serviceCode string) string {
data, err := ioutil.ReadFile("./endpoints.xml")
if err != nil {
return ""
}
var endpoints Endpoints
err = xml.Unmarshal(data, &endpoints)
if err != nil {
return ""
}
for _, endpoint := range endpoints.Endpoint {
if endpoint.RegionIds.RegionId == string(region) {
for _, product := range endpoint.Products.Product {
if strings.ToLower(product.ProductName) == serviceCode {
return fmt.Sprintf("%s://%s", HTTPS_PROTOCOL, product.DomainName)
}
}
}
}
return ""
}