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#!rsc by RouterOS
# RouterOS script: backup-partition
# Copyright (c) 2022-2024 Christian Hesse <mail@eworm.de>
# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md
#
# provides: backup-script, order=70
# requires RouterOS, version=7.13
#
# save configuration to fallback partition
# https://git.eworm.de/cgit/routeros-scripts/about/doc/backup-partition.md
:global GlobalFunctionsReady;
:while ($GlobalFunctionsReady != true) do={ :delay 500ms; }
:do {
:local ScriptName [ :jobname ];
:global BackupPartitionCopyBeforeFeatureUpdate;
:global PackagesUpdateBackupFailure;
:global LogPrint;
:global ScriptFromTerminal;
:global ScriptLock;
:global VersionToNum;
:local CopyTo do={
:local ScriptName [ :tostr $1 ];
:local FallbackTo [ :toid $2 ];
:local FallbackToName [ :tostr $3 ];
:global LogPrint;
:do {
/partitions/copy-to $FallbackTo;
$LogPrint info $ScriptName ("Copied RouterOS to partition '" . $FallbackToName . "'.");
:return true;
} on-error={
$LogPrint error $ScriptName ("Failed copying RouterOS to partition '" . $FallbackToName . "'!");
:return false;
}
}
:if ([ $ScriptLock $ScriptName ] = false) do={
:set PackagesUpdateBackupFailure true;
:error false;
}
:if ([ :len [ /partitions/find ] ] < 2) do={
$LogPrint error $ScriptName ("Device does not have a fallback partition.");
:set PackagesUpdateBackupFailure true;
:error false;
}
:local ActiveRunning [ /partitions/find where active running ];
:if ([ :len $ActiveRunning ] < 1) do={
$LogPrint error $ScriptName ("Device is not running from active partition.");
:set PackagesUpdateBackupFailure true;
:error false;
}
:local FallbackToName [ /partitions/get $ActiveRunning fallback-to ];
:local FallbackTo [ /partition/find where name=$FallbackToName !active ];
:if ([ :len $FallbackTo ] < 1) do={
$LogPrint error $ScriptName ("There is no inactive partition named '" . $FallbackToName . "'.");
:set PackagesUpdateBackupFailure true;
:error false;
}
:if ([ /partitions/get $ActiveRunning version ] != [ /partitions/get $FallbackTo version]) do={
:if ([ $ScriptFromTerminal $ScriptName ] = true) do={
:put ("The partitions have different RouterOS versions. Copy over to '" . $FallbackToName . "'? [y/N]");
:if (([ /terminal/inkey timeout=60 ] % 32) = 25) do={
:if ([ $CopyTo $ScriptName $FallbackTo $FallbackToName ] = false) do={
:set PackagesUpdateBackupFailure true;
:error false;
}
}
} else={
:local Update [ /system/package/update/get ];
:local NumInstalled [ $VersionToNum ($Update->"installed-version") ];
:local NumLatest [ $VersionToNum ($Update->"latest-version") ];
:if ($BackupPartitionCopyBeforeFeatureUpdate = true && $NumLatest > 0 && \
($NumInstalled & 0xffff0000) != ($NumLatest & 0xffff0000)) do={
:if ([ $CopyTo $ScriptName $FallbackTo $FallbackToName ] = false) do={
:set PackagesUpdateBackupFailure true;
:error false;
}
}
}
}
:do {
/system/scheduler/add start-time=startup name="running-from-backup-partition" \
on-event=(":log warning (\"Running from partition '\" . " . \
"[ /partitions/get [ find where running ] name ] . \"'!\")");
/partitions/save-config-to $FallbackTo;
/system/scheduler/remove "running-from-backup-partition";
$LogPrint info $ScriptName ("Saved configuration to partition '" . $FallbackToName . "'.");
} on-error={
/system/scheduler/remove [ find where name="running-from-backup-partition" ];
$LogPrint error $ScriptName ("Failed saving configuration to partition '" . $FallbackToName . "'!");
:set PackagesUpdateBackupFailure true;
:error false;
}
} on-error={ }
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