96 lines
2.0 KiB
Go
96 lines
2.0 KiB
Go
package client
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/tls"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"time"
|
|
)
|
|
|
|
type Client struct {
|
|
baseURL string
|
|
apiKey string
|
|
httpClient *http.Client
|
|
}
|
|
|
|
func New(baseURL, apiKey string, insecure bool) *Client {
|
|
transport := &http.Transport{
|
|
TLSClientConfig: &tls.Config{
|
|
InsecureSkipVerify: insecure,
|
|
},
|
|
}
|
|
|
|
return &Client{
|
|
baseURL: baseURL,
|
|
apiKey: apiKey,
|
|
httpClient: &http.Client{
|
|
Transport: transport,
|
|
Timeout: 30 * time.Second,
|
|
},
|
|
}
|
|
}
|
|
|
|
// Register - Agent am Backend registrieren, gibt Agent-ID zurueck
|
|
func (c *Client) Register(req interface{}) (string, error) {
|
|
body, err := json.Marshal(req)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
resp, err := c.doRequest("POST", "/api/v1/agent/register", body)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
respBody, _ := io.ReadAll(resp.Body)
|
|
|
|
if resp.StatusCode != http.StatusCreated {
|
|
return "", fmt.Errorf("Registrierung fehlgeschlagen (HTTP %d): %s", resp.StatusCode, string(respBody))
|
|
}
|
|
|
|
var result struct {
|
|
ID string `json:"id"`
|
|
}
|
|
if err := json.Unmarshal(respBody, &result); err != nil {
|
|
return "", fmt.Errorf("Response parsen: %w", err)
|
|
}
|
|
|
|
return result.ID, nil
|
|
}
|
|
|
|
// Heartbeat - Systemdaten an Backend senden
|
|
func (c *Client) Heartbeat(req interface{}) error {
|
|
body, err := json.Marshal(req)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
resp, err := c.doRequest("POST", "/api/v1/agent/heartbeat", body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
respBody, _ := io.ReadAll(resp.Body)
|
|
return fmt.Errorf("Heartbeat fehlgeschlagen (HTTP %d): %s", resp.StatusCode, string(respBody))
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (c *Client) doRequest(method, path string, body []byte) (*http.Response, error) {
|
|
req, err := http.NewRequest(method, c.baseURL+path, bytes.NewReader(body))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
req.Header.Set("Content-Type", "application/json")
|
|
req.Header.Set("X-API-Key", c.apiKey)
|
|
|
|
return c.httpClient.Do(req)
|
|
}
|