update octopusHttp token

internal/storeLink/octopusHttp/token.go

@@ -3,6 +3,7 @@ package octopusHttp
 import (
 	"crypto/tls"
 	"encoding/json"
+	"errors"
 	"github.com/go-resty/resty/v2"
 	"time"
 )
@@ -47,15 +48,37 @@ func NewToken(server, host, user, pwd string) (*Token, error) {
 
 	token, err := generateToken(jsonStr, tokenUrl, host)
 	if err != nil {
-		return nil, err
+		return &Token{token: "", host: host, user: user, pwd: pwd, tokenUrl: tokenUrl}, err
 	}
 	return &Token{token: token, host: host, user: user, pwd: pwd, tokenUrl: tokenUrl}, nil
 }
 
 func (t *Token) Get() (string, error) {
+	if t.token == "" {
+		err := t.Update()
+		if err != nil {
+			return "", errors.New("get token failed")
+		}
+	}
 	return t.token, nil
 }
 
+func (t *Token) Update() error {
+	login := Login{
+		Username: t.user,
+		Password: t.pwd,
+	}
+	jsonStr, _ := json.Marshal(login)
+	tokenUrl := t.server + GetToken
+	token, err := generateToken(jsonStr, tokenUrl, t.host)
+	if err != nil {
+		return errors.New("get token failed")
+	}
+
+	t.token = token
+	return nil
+}
+
 func generateToken(jsonStr []byte, tokenUrl string, host string) (string, error) {
 	client := resty.New().SetTimeout(time.Duration(5) * time.Second)
 	req := client.R()