feat: Windows Agent v1.0.0

- Windows-Dienst (golang.org/x/sys/windows/svc) - Collector: CPU (GetSystemTimes), RAM (GlobalMemoryStatusEx), Disks (GetDiskFreeSpaceEx) - WS-Client: gleiche Verbindungslogik wie Linux/BSD Agent - Commands: exec, winget list/install/upgrade/upgrade-all, Windows Updates check/install, reboot - install.ps1: automatische Service-Installation mit Parametern - make agent-windows VERSION=x.x.x
2026-03-10 01:22:19 +01:00
parent 1c7c82dfac
commit 8116b71b48
12 changed files with 1293 additions and 1 deletions
@@ -0,0 +1,102 @@
+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 {
+	return &Client{
+		baseURL: baseURL,
+		apiKey:  apiKey,
+		httpClient: &http.Client{
+			Timeout: 30 * time.Second,
+			Transport: &http.Transport{
+				TLSClientConfig: &tls.Config{InsecureSkipVerify: insecure},
+			},
+		},
+	}
+}
+
+type RegisterRequest struct {
+	AgentID      string `json:"agent_id,omitempty"`
+	Name         string `json:"name"`
+	Hostname     string `json:"hostname"`
+	IP           string `json:"ip"`
+	AgentVersion string `json:"agent_version,omitempty"`
+	Platform     string `json:"platform"`
+}
+
+type RegisterResponse struct {
+	ID      string `json:"id"`
+	Message string `json:"message"`
+}
+
+func (c *Client) Register(req RegisterRequest) (string, error) {
+	body, _ := json.Marshal(req)
+	resp, err := c.doRequest("POST", "/api/v1/agent/register", body)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode != http.StatusCreated && resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("Registrierung fehlgeschlagen (HTTP %d): %s", resp.StatusCode, string(data))
+	}
+	var r RegisterResponse
+	if err := json.Unmarshal(data, &r); err != nil {
+		return "", fmt.Errorf("JSON Parse: %v", err)
+	}
+	return r.ID, nil
+}
+
+type HeartbeatRequest struct {
+	AgentID      string          `json:"agent_id"`
+	AgentVersion string          `json:"agent_version,omitempty"`
+	Platform     string          `json:"platform"`
+	SystemData   json.RawMessage `json:"system_data,omitempty"`
+}
+
+type HeartbeatResponse struct {
+	Message         string `json:"message"`
+	UpdateAvailable bool   `json:"update_available"`
+	UpdateVersion   string `json:"update_version,omitempty"`
+	UpdateHash      string `json:"update_hash,omitempty"`
+}
+
+func (c *Client) Heartbeat(req HeartbeatRequest) (*HeartbeatResponse, error) {
+	body, _ := json.Marshal(req)
+	resp, err := c.doRequest("POST", "/api/v1/agent/heartbeat", body)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	data, _ := io.ReadAll(resp.Body)
+	if resp.StatusCode != http.StatusOK {
+		return nil, fmt.Errorf("Heartbeat fehlgeschlagen (HTTP %d): %s", resp.StatusCode, string(data))
+	}
+	var r HeartbeatResponse
+	json.Unmarshal(data, &r)
+	return &r, 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)
+}