working commit

pkg/client/client.go

@@ -15,6 +15,7 @@ import (
 )
 
 const fileAPI = "/v3/api/file/"
+const serviceAPI = "/v3/api/service/"
 
 type Client struct{}
 
@@ -22,6 +23,38 @@ func NewClient() *Client {
 	return &Client{}
 }
 
+func (cli *Client) ServiceHello(ctx context.Context, ref string) (bool, error) {
+	var res bool
+	var err error
+
+	ref, err = convertServiceLink(ref)
+	if err != nil {
+		return res, err
+	}
+	req, err := http.NewRequestWithContext(ctx, "GET", ref, nil)
+	if err != nil {
+		return res, err
+	}
+
+	transport := &http.Transport{
+		TLSClientConfig: &tls.Config{
+			InsecureSkipVerify: true,
+		},
+	}
+	client := &http.Client{
+		Transport: transport,
+	}
+	resp, err := client.Do(req)
+	if err != nil {
+		return res, err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusOK {
+		res = true
+	}
+	return res, err
+}
+
 func (cli *Client) FileExists(ctx context.Context, ref string) (bool, error) {
 	var res bool
 	var err error
@@ -34,7 +67,6 @@ func (cli *Client) FileExists(ctx context.Context, ref string) (bool, error) {
 	if err != nil {
 		return res, err
 	}
-	authValue := createBasicAuthPair
 
 	transport := &http.Transport{
 		TLSClientConfig: &tls.Config{
@@ -76,6 +108,22 @@ func convertFileLink(ref string) (string, error) {
 	return res, err
 }
 
+func convertServiceLink(ref string) (string, error) {
+	var err error
+	var res string
+	if !strings.Contains(ref, "://") {
+		ref = "https://" + ref
+	}
+	url, err := url.Parse(ref)
+	if err != nil {
+		return res, err
+	}
+	url.Path = path.Join(serviceAPI, url.Path)
+	url.User = nil
+	res = url.String()
+	return res, err
+}
+
 func (cli *Client) GetFile(ctx context.Context, ref, filename string) error {
 	var err error
 	ref, err = convertFileLink(ref)