admin
36a7d1c162
Hub now tracks controller_url from reports, periodically checks the Gitea registry for the latest controller image version, and shows a "Trigger Update" button on the customer detail page that proxies to the controller's self-update API endpoint using the shared API key. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
471 lines
15 KiB
Go
471 lines
15 KiB
Go
package api
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"strings"
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"time"
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"gitea.dooplex.hu/admin/felhom-hub/internal/store"
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)
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// Handler handles API endpoints for report ingest and customer queries.
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type Handler struct {
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store *store.Store
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apiKey string
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resendAPIKey string
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fromEmail string
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logger *log.Logger
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httpClient *http.Client
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}
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// New creates a new API handler.
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func New(store *store.Store, apiKey, resendAPIKey, fromEmail string, logger *log.Logger) *Handler {
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return &Handler{
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store: store,
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apiKey: apiKey,
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resendAPIKey: resendAPIKey,
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fromEmail: fromEmail,
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logger: logger,
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httpClient: &http.Client{Timeout: 10 * time.Second},
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}
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}
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// ServeHTTP routes API requests.
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func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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path := strings.TrimPrefix(r.URL.Path, "/api/v1")
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switch {
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case r.Method == http.MethodPost && path == "/report":
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h.handleReport(w, r)
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case r.Method == http.MethodPost && path == "/notify":
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h.handleNotify(w, r)
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case r.Method == http.MethodPost && path == "/infra-backup":
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h.handleInfraBackupPush(w, r)
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case r.Method == http.MethodGet && strings.HasPrefix(path, "/infra-backup/"):
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h.handleInfraBackupGet(w, r, strings.TrimPrefix(path, "/infra-backup/"))
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case r.Method == http.MethodPost && path == "/preferences":
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h.handleSavePreferences(w, r)
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case r.Method == http.MethodGet && path == "/customers":
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h.handleCustomers(w, r)
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case r.Method == http.MethodGet && strings.HasPrefix(path, "/customers/"):
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parts := strings.Split(strings.TrimPrefix(path, "/customers/"), "/")
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customerID := parts[0]
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if len(parts) > 1 && parts[1] == "history" {
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h.handleCustomerHistory(w, r, customerID)
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} else {
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h.handleCustomer(w, r, customerID)
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}
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default:
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http.NotFound(w, r)
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}
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}
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func (h *Handler) handleReport(w http.ResponseWriter, r *http.Request) {
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// Verify bearer token
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if h.apiKey != "" {
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auth := r.Header.Get("Authorization")
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if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != h.apiKey {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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}
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body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20)) // 1MB limit
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if err != nil {
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http.Error(w, "Bad request", http.StatusBadRequest)
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return
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}
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// Extract customer_id from JSON
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var payload struct {
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CustomerID string `json:"customer_id"`
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}
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if err := json.Unmarshal(body, &payload); err != nil || payload.CustomerID == "" {
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http.Error(w, "Invalid payload: customer_id required", http.StatusBadRequest)
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return
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}
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if err := h.store.SaveReport(payload.CustomerID, body); err != nil {
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h.logger.Printf("[ERROR] Failed to save report from %s: %v", payload.CustomerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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h.logger.Printf("[INFO] Received report from %s (%d bytes)", payload.CustomerID, len(body))
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok"}`))
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}
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func (h *Handler) handleCustomers(w http.ResponseWriter, r *http.Request) {
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customers, err := h.store.GetCustomers()
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if err != nil {
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h.logger.Printf("[ERROR] Failed to get customers: %v", err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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type customerJSON struct {
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ID string `json:"id"`
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Name string `json:"name"`
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ControllerVersion string `json:"controller_version"`
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ControllerURL string `json:"controller_url,omitempty"`
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HealthStatus string `json:"health_status"`
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LastSeen time.Time `json:"last_seen"`
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CPUPercent float64 `json:"cpu_percent"`
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MemoryPercent float64 `json:"memory_percent"`
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ContainerTotal int `json:"container_total"`
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ContainerRunning int `json:"container_running"`
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BackupLastSnapshot *time.Time `json:"backup_last_snapshot"`
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}
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result := make([]customerJSON, 0, len(customers))
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for _, c := range customers {
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result = append(result, customerJSON{
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ID: c.CustomerID,
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Name: c.CustomerName,
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ControllerVersion: c.ControllerVersion,
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ControllerURL: c.ControllerURL,
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HealthStatus: c.HealthStatus,
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LastSeen: c.ReceivedAt,
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CPUPercent: c.CPUPercent,
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MemoryPercent: c.MemoryPercent,
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ContainerTotal: c.ContainerTotal,
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ContainerRunning: c.ContainerRunning,
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BackupLastSnapshot: c.BackupLastSnapshot,
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})
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(result)
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}
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func (h *Handler) handleCustomer(w http.ResponseWriter, r *http.Request, customerID string) {
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customer, err := h.store.GetCustomer(customerID)
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if err != nil {
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h.logger.Printf("[ERROR] Failed to get customer %s: %v", customerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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if customer == nil {
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http.NotFound(w, r)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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// Return the full report JSON directly
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w.Write([]byte(customer.ReportJSON))
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}
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func (h *Handler) handleCustomerHistory(w http.ResponseWriter, r *http.Request, customerID string) {
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period := r.URL.Query().Get("period")
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var since time.Duration
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switch period {
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case "7d":
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since = 7 * 24 * time.Hour
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case "30d":
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since = 30 * 24 * time.Hour
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default:
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since = 24 * time.Hour
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}
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history, err := h.store.GetCustomerHistory(customerID, since)
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if err != nil {
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h.logger.Printf("[ERROR] Failed to get history for %s: %v", customerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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type historyEntry struct {
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ReceivedAt time.Time `json:"received_at"`
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HealthStatus string `json:"health_status"`
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CPUPercent float64 `json:"cpu_percent"`
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MemoryPercent float64 `json:"memory_percent"`
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}
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result := make([]historyEntry, 0, len(history))
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for _, h := range history {
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result = append(result, historyEntry{
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ReceivedAt: h.ReceivedAt,
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HealthStatus: h.HealthStatus,
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CPUPercent: h.CPUPercent,
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MemoryPercent: h.MemoryPercent,
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})
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(result)
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}
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// handleNotify processes notification events from customer controllers.
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func (h *Handler) handleNotify(w http.ResponseWriter, r *http.Request) {
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// Verify bearer token (same auth as /report)
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if h.apiKey != "" {
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auth := r.Header.Get("Authorization")
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if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != h.apiKey {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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}
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body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20))
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if err != nil {
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http.Error(w, "Bad request", http.StatusBadRequest)
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return
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}
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var payload struct {
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CustomerID string `json:"customer_id"`
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EventType string `json:"event_type"`
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Severity string `json:"severity"`
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Message string `json:"message"`
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Details string `json:"details"`
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}
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if err := json.Unmarshal(body, &payload); err != nil || payload.CustomerID == "" || payload.EventType == "" {
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http.Error(w, "Invalid payload: customer_id and event_type required", http.StatusBadRequest)
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return
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}
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h.logger.Printf("[INFO] Notification from %s: %s (%s) — %s", payload.CustomerID, payload.EventType, payload.Severity, payload.Message)
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// Look up customer notification preferences
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prefs, err := h.store.GetNotificationPrefs(payload.CustomerID)
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if err != nil {
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h.logger.Printf("[ERROR] Failed to get notification prefs for %s: %v", payload.CustomerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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// Check if customer has email configured and event type is enabled
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if prefs == nil || prefs.Email == "" {
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h.logger.Printf("[INFO] No email configured for %s, skipping notification", payload.CustomerID)
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h.store.LogNotification(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, "skipped", "no email configured")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","sent":false,"reason":"no_email"}`))
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return
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}
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// Check if event type is in the enabled list (test events always pass)
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eventEnabled := payload.EventType == "test"
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for _, e := range prefs.EnabledEvents {
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if e == payload.EventType {
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eventEnabled = true
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break
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}
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}
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if !eventEnabled {
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h.logger.Printf("[INFO] Event %s not enabled for %s, skipping", payload.EventType, payload.CustomerID)
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h.store.LogNotification(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, "skipped", "event not enabled")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","sent":false,"reason":"event_disabled"}`))
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return
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}
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// Send email via Resend API
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if h.resendAPIKey == "" {
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h.logger.Printf("[WARN] Resend API key not configured, cannot send notification email")
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h.store.LogNotification(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, "skipped", "resend api key not configured")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","sent":false,"reason":"no_api_key"}`))
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return
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}
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subject, emailBody := formatNotificationEmail(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, payload.Details)
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sendErr := h.sendResendEmail(prefs.Email, subject, emailBody)
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if sendErr != nil {
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h.logger.Printf("[ERROR] Failed to send notification email to %s: %v", prefs.Email, sendErr)
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h.store.LogNotification(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, "failed", sendErr.Error())
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http.Error(w, "Failed to send email", http.StatusInternalServerError)
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return
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}
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h.logger.Printf("[INFO] Notification email sent to %s for %s/%s", prefs.Email, payload.CustomerID, payload.EventType)
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h.store.LogNotification(payload.CustomerID, payload.EventType, payload.Severity, payload.Message, "sent", "")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","sent":true}`))
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}
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// handleSavePreferences stores notification preferences pushed from a customer controller.
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func (h *Handler) handleSavePreferences(w http.ResponseWriter, r *http.Request) {
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// Same bearer token auth as /report and /notify
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if h.apiKey != "" {
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auth := r.Header.Get("Authorization")
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if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != h.apiKey {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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}
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body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20))
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if err != nil {
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http.Error(w, "Bad request", http.StatusBadRequest)
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return
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}
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var payload struct {
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CustomerID string `json:"customer_id"`
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Email string `json:"email"`
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EnabledEvents []string `json:"enabled_events"`
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}
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if err := json.Unmarshal(body, &payload); err != nil || payload.CustomerID == "" {
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http.Error(w, "Invalid payload: customer_id required", http.StatusBadRequest)
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return
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}
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if err := h.store.SaveNotificationPrefs(payload.CustomerID, payload.Email, payload.EnabledEvents); err != nil {
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h.logger.Printf("[ERROR] Failed to save notification prefs for %s: %v", payload.CustomerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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h.logger.Printf("[INFO] Notification preferences updated for %s: email=%s, events=%v", payload.CustomerID, payload.Email, payload.EnabledEvents)
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok"}`))
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}
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// handleInfraBackupPush stores an infrastructure snapshot from a controller.
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func (h *Handler) handleInfraBackupPush(w http.ResponseWriter, r *http.Request) {
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if h.apiKey != "" {
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auth := r.Header.Get("Authorization")
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if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != h.apiKey {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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}
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body, err := io.ReadAll(io.LimitReader(r.Body, 1<<20)) // 1MB limit
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if err != nil {
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http.Error(w, "Bad request", http.StatusBadRequest)
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return
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}
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var payload struct {
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CustomerID string `json:"customer_id"`
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}
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if err := json.Unmarshal(body, &payload); err != nil || payload.CustomerID == "" {
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http.Error(w, "Invalid payload: customer_id required", http.StatusBadRequest)
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return
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}
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if err := h.store.SaveInfraBackup(payload.CustomerID, body); err != nil {
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h.logger.Printf("[ERROR] Failed to save infra backup for %s: %v", payload.CustomerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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h.logger.Printf("[INFO] Infra backup saved for %s (%d bytes)", payload.CustomerID, len(body))
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok"}`))
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}
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// handleInfraBackupGet returns the infrastructure backup for a customer.
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func (h *Handler) handleInfraBackupGet(w http.ResponseWriter, r *http.Request, customerID string) {
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if h.apiKey != "" {
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auth := r.Header.Get("Authorization")
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if !strings.HasPrefix(auth, "Bearer ") || strings.TrimPrefix(auth, "Bearer ") != h.apiKey {
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http.Error(w, "Unauthorized", http.StatusUnauthorized)
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return
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}
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}
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if customerID == "" {
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http.Error(w, "Missing customer_id", http.StatusBadRequest)
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return
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}
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data, err := h.store.GetInfraBackup(customerID)
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if err != nil {
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h.logger.Printf("[ERROR] Failed to get infra backup for %s: %v", customerID, err)
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http.Error(w, "Internal error", http.StatusInternalServerError)
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return
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}
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if data == nil {
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http.NotFound(w, r)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(data)
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}
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// sendResendEmail sends an email via the Resend HTTP API.
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func (h *Handler) sendResendEmail(to, subject, textBody string) error {
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payload := map[string]interface{}{
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"from": h.fromEmail,
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"to": []string{to},
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"subject": subject,
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"text": textBody,
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}
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jsonData, err := json.Marshal(payload)
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if err != nil {
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return fmt.Errorf("marshaling email payload: %w", err)
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}
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req, err := http.NewRequest("POST", "https://api.resend.com/emails", bytes.NewReader(jsonData))
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if err != nil {
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return fmt.Errorf("creating request: %w", err)
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}
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req.Header.Set("Authorization", "Bearer "+h.resendAPIKey)
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req.Header.Set("Content-Type", "application/json")
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resp, err := h.httpClient.Do(req)
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if err != nil {
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return fmt.Errorf("sending request: %w", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode >= 400 {
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respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 1024))
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return fmt.Errorf("resend API returned %d: %s", resp.StatusCode, string(respBody))
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}
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return nil
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}
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// formatNotificationEmail creates a Hungarian email subject and body.
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func formatNotificationEmail(customerID, eventType, severity, message, details string) (string, string) {
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severityLabel := map[string]string{
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"info": "Információ",
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"warning": "Figyelmeztetés",
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"critical": "Kritikus",
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}
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label := severityLabel[severity]
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if label == "" {
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label = severity
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}
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subject := fmt.Sprintf("[Felhom] %s: %s", label, message)
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now := time.Now().Format("2006-01-02 15:04")
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emailText := fmt.Sprintf(`Kedves Ügyfél!
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A Felhom rendszered a következő figyelmeztetést jelezte:
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%s
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Részletek:
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- Szerver: %s
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- Időpont: %s
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- Szint: %s
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- Típus: %s`, message, customerID, now, label, eventType)
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if details != "" {
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emailText += fmt.Sprintf("\n- Megjegyzés: %s", details)
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}
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emailText += `
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Ha kérdésed van, vedd fel a kapcsolatot az üzemeltetővel.
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Üdvözlettel,
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Felhom.eu monitoring`
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return subject, emailText
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}
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