support for GetDnsSettings in sqlite store

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>

integration_tests/management/network_map_db/pgsql/dns_settings_test.go

@@ -6,15 +6,11 @@ import (
 	"context"
 	"testing"
 
-	"github.com/netbirdio/netbird/management/server/types"
 	"github.com/netbirdio/netbird/shared/management/networkmap/nmdata"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestGetDnsSettings(t *testing.T) {
-	if engine == string(types.SqliteStoreEngine) {
-		t.Skip()
-	}
 	ctx := context.TODO()
 
 	settings, err := conn(t, ctx).GetDnsSettings(ctx, "account-1")

management/internals/network_map_db/sqlite/dns_setting.go

@@ -0,0 +1,42 @@
+package networkmap_sqlite
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/netbirdio/netbird/shared/management/networkmap/nmdata"
+)
+
+const (
+	GetDnsSettingsQuery = `
+	select dns_settings_disabled_management_groups
+	from accounts
+	where id=$1
+	`
+)
+
+func (sc *SqliteStoreConn) GetDnsSettings(ctx context.Context, accountId string) (nmdata.DNSSettings, error) {
+	rows, err := sc.Conn.QueryContext(ctx, GetDnsSettingsQuery, accountId)
+	if err != nil {
+		return nmdata.DNSSettings{}, err
+	}
+	defer rows.Close()
+
+	var value nmdata.DNSSettings
+	var settings []byte
+
+	rows.Next()
+	if err := rows.Scan(&settings); err != nil {
+		return value, err
+	}
+
+	if settings == nil {
+		return nmdata.DNSSettings{}, nil
+	}
+
+	if err := json.Unmarshal(settings, &value.DisabledManagementGroups); err != nil {
+		return value, err
+	}
+
+	return value, nil
+}

management/internals/network_map_db/sqlite/sqlite_store.go

@@ -2,6 +2,7 @@ package networkmap_sqlite
 
 import (
 	"context"
+	"errors"
 	"net/url"
 	"path/filepath"
 	"runtime"
@@ -14,6 +15,8 @@ import (
 	"github.com/netbirdio/netbird/shared/management/networkmap/nmdata"
 )
 
+var ErrNoRows = errors.New("no rows in result set")
+
 type SqliteStore struct {
 	Db *sql.DB
 }
@@ -116,9 +119,6 @@ func (s *SqliteStoreConn) GetPostureChecks(ctx context.Context, accountId string
 func (s *SqliteStoreConn) GetAllowedUsers(ctx context.Context, accountId string) (map[string]struct{}, map[string][]string, error) {
 	return nil, nil, nil
 }
-func (s *SqliteStoreConn) GetDnsSettings(ctx context.Context, accountId string) (nmdata.DNSSettings, error) {
-	return nmdata.DNSSettings{}, nil
-}
 func (s *SqliteStoreConn) GetNetworkXIDToPublicIdMap(ctx context.Context, accountId string) (map[string]string, error) {
 	return nil, nil
 }