upload-backup: add configurable random delay

2 files changed, 10 insertions, 2 deletions

diff --git a/doc/upload-backup.md b/doc/upload-backup.md
index bbfbcc4..e6ba9e2 100644
--- a/doc/upload-backup.md
+++ b/doc/upload-backup.md
@@ -24,6 +24,7 @@ The configuration goes to `global-config-overlay`, these are the parameters:
 * `BackupSendBinary`: whether to send binary backup
 * `BackupSendExport`: whether to send configuration export
 * `BackupPassword`: password to encrypt the backup with
+* `BackupRandomDelay`: delay up to amount of seconds when run from scheduler
 * `BackupUploadUrl`: url to upload to
 * `BackupUploadUser`: username for server authentication
 * `BackupUploadPass`: password for server authentication
diff --git a/upload-backup b/upload-backup
index 1e3e8e8..15adc1f 100644
--- a/upload-backup
+++ b/upload-backup
@@ -11,6 +11,7 @@
 :while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
 
 :global BackupPassword;
+:global BackupRandomDelay;
 :global BackupSendBinary;
 :global BackupSendExport;
 :global BackupUploadPass;
@@ -23,18 +24,24 @@
 :global DeviceInfo;
 :global IfThenElse;
 :global LogPrintExit2;
+:global RandomDelay;
+:global ScriptFromTerminal;
 :global SendNotification;
 :global SymbolForNotification;
 :global WaitForFile;
 :global WaitFullyConnected;
 
-$WaitFullyConnected;
-
 :if ($BackupSendBinary != true && \
      $BackupSendExport != true) do={
   $LogPrintExit2 error $0 ("Configured to send neither backup nor config export.") true;
 }
 
+$WaitFullyConnected;
+
+:if ([ $ScriptFromTerminal $0 ] = false && $BackupRandomDelay > 0) do={
+  $RandomDelay $BackupRandomDelay;
+}
+
 # filename based on identity
 :local FileName [ $CharacterReplace ($Identity . "." . $Domain) "." "_" ];
 :local BackupFile "none";