Init commit of jobs output/error message peek project.

src/frontend/xcecli/common/request/request.go

@@ -170,6 +170,45 @@ func (c *APIClient) SubmitJob(token string, req *models.JobSubmitRequest) (*mode
 	return &resp, nil
 }
 
+// GetJobOutput retrieves job output from the API server.
+func (c *APIClient) GetJobOutput(token, certPath, jobID string, params map[string]string) (*models.JobOutputResponse, error) {
+	var resp models.JobOutputResponse
+	baseURL := c.BaseURL
+	if strings.HasPrefix(baseURL, "https://") {
+		c.Client.SetTLSClientConfig(&tls.Config{
+			RootCAs: loadRootCAs(certPath),
+		})
+	}
+	if idx := strings.Index(baseURL, "/xce/v1"); idx != -1 {
+		baseURL = baseURL[:idx]
+	}
+	url := baseURL + "/xce/v1/jobs/" + jobID + "/output"
+
+	req := c.Client.R().
+		SetHeader("Authorization", token).
+		SetResult(&resp)
+
+	for k, v := range params {
+		req.SetQueryParam(k, v)
+	}
+
+	httpResp, err := req.Get(url)
+	if err != nil {
+		errMsg := ExtractErrorMessage(err)
+		return nil, fmt.Errorf("get job output request failed: [%s]", errMsg)
+	}
+
+	if httpResp.StatusCode() != http.StatusOK {
+		logger.Info("get job output failed", zap.Any("resp", resp), zap.Int("status", httpResp.StatusCode()))
+		if resp.Msg != "" {
+			return &resp, fmt.Errorf("get job output failed: %s", resp.Msg)
+		}
+		return &resp, fmt.Errorf("get job output failed: status %d", httpResp.StatusCode())
+	}
+
+	return &resp, nil
+}
+
 // extractErrorMessage extracts a user-friendly error message from various error types
 func ExtractErrorMessage(err error) string {
 	if err == nil {