feat(backup): Add backup/restore to the server

api/adminmonitor/admin_monitor.go

@@ -0,0 +1,69 @@
+package adminmonitor
+
+import (
+	"context"
+	"log"
+	"time"
+
+	portainer "github.com/portainer/portainer/api"
+)
+
+var logFatalf = log.Fatalf
+
+type Monitor struct {
+	timeout          time.Duration
+	datastore        portainer.DataStore
+	shutdownCtx      context.Context
+	cancellationFunc context.CancelFunc
+}
+
+// New creates a monitor that when started will wait for the timeout duration and then shutdown the application unless it has been initialized.
+func New(timeout time.Duration, datastore portainer.DataStore, shutdownCtx context.Context) *Monitor {
+	return &Monitor{
+		timeout:     timeout,
+		datastore:   datastore,
+		shutdownCtx: shutdownCtx,
+	}
+}
+
+// Starts starts the monitor. Active monitor could be stopped or shuttted down by cancelling the shutdown context.
+func (m *Monitor) Start() {
+	cancellationCtx, cancellationFunc := context.WithCancel(context.Background())
+	m.cancellationFunc = cancellationFunc
+
+	go func() {
+		log.Println("[DEBUG] [internal,init] [message: start initialization monitor ]")
+		select {
+		case <-time.After(m.timeout):
+			initialized, err := m.WasInitialized()
+			if err != nil {
+				logFatalf("%s", err)
+			}
+			if !initialized {
+				logFatalf("[FATAL] [internal,init] No administrator account was created in %f mins. Shutting down the Portainer instance for security reasons", m.timeout.Minutes())
+			}
+		case <-cancellationCtx.Done():
+			log.Println("[DEBUG] [internal,init] [message: canceling initialization monitor]")
+		case <-m.shutdownCtx.Done():
+			log.Println("[DEBUG] [internal,init] [message: shutting down initialization monitor]")
+		}
+	}()
+}
+
+// Stop stops monitor. Safe to call even if monitor wasn't started.
+func (m *Monitor) Stop() {
+	if m.cancellationFunc == nil {
+		return
+	}
+	m.cancellationFunc()
+	m.cancellationFunc = nil
+}
+
+// WasInitialized is a system initialization check
+func (m *Monitor) WasInitialized() (bool, error) {
+	users, err := m.datastore.User().UsersByRole(portainer.AdministratorRole)
+	if err != nil {
+		return false, err
+	}
+	return len(users) > 0, nil
+}