From 185fe2c73035b66b2c8e0048eedca47fd438e3e6 Mon Sep 17 00:00:00 2001 From: Christian Hesse Date: Mon, 15 Nov 2021 22:17:43 +0100 Subject: reintroduce global-wait --- README.md | 1 + doc/global-wait.md | 40 ++++++++++++++++++++++++++++++++++++++++ doc/mod/bridge-port-to.md | 4 +++- doc/mod/bridge-port-vlan.md | 4 +++- global-config | 2 +- global-config-overlay | 2 +- global-config.changes | 3 ++- global-functions | 2 +- global-wait | 13 +++++++++++++ 9 files changed, 65 insertions(+), 6 deletions(-) create mode 100644 doc/global-wait.md create mode 100644 global-wait diff --git a/README.md b/README.md index d252deb..dfec35a 100644 --- a/README.md +++ b/README.md @@ -172,6 +172,7 @@ Available Scripts * [Comment DHCP leases with info from access list](doc/dhcp-lease-comment.md) * [Create DNS records for DHCP leases](doc/dhcp-to-dns.md) * [Send backup via e-mail](doc/email-backup.md) +* [Wait for global functions und modules](doc/global-wait.md) * [Send GPS position to server](doc/gps-track.md) * [Use WPA2 network with hotspot credentials](doc/hotspot-to-wpa.md) * [Create DNS records for IPSec peers](doc/ipsec-to-dns.md) diff --git a/doc/global-wait.md b/doc/global-wait.md new file mode 100644 index 0000000..2d9dad3 --- /dev/null +++ b/doc/global-wait.md @@ -0,0 +1,40 @@ +Wait for global functions and modules +===================================== + +[◀ Go back to main README](../README.md) + +🛈 This script can not be used on its own but requires the base installation. +See [main README](../README.md) for details. + +Description +----------- + +The global functions from `global-functions` and modules are loaded by +scheduler at system startup. Running these functions at system startup may +result in race condition where configuration and/or function are not yet +available. This script is supposed to wait for everything being prepared. + +Do **not** add this script `global-wait` to the `global-scripts` scheduler! +It would inhibit the initialization of configuration and functions. + +Requirements and installation +----------------------------- + +Just install the script: + + $ScriptInstallUpdate global-wait; + +... and add it to your scheduler, for example in combination with the module +to [manage VLANs on bridge ports](mod/bridge-port-vlan.md): + + / system scheduler add name=bridge-port-vlan on-event="/ system script run global-wait; :global BridgePortVlan; \$BridgePortVlan default;" start-time=startup; + +See also +-------- + +* [Manage ports in bridge](mod/bridge-port-to.md) +* [Manage VLANs on bridge ports](mod/bridge-port-vlan.md) + +--- +[◀ Go back to main README](../README.md) +[▲ Go back to top](#top) diff --git a/doc/mod/bridge-port-to.md b/doc/mod/bridge-port-to.md index 89ee5d0..5b2817b 100644 --- a/doc/mod/bridge-port-to.md +++ b/doc/mod/bridge-port-to.md @@ -34,7 +34,8 @@ Also dhcp client can be handled: Add a scheduler to start with default setup on system startup: - / system scheduler add name=bridge-port-to on-event=":global GlobalFunctionsReady; :while (\$GlobalFunctionsReady != true) do={ :delay 500ms; }; :global BridgePortTo; \$BridgePortTo default;" start-time=startup; + $ScriptInstallUpdate global-wait; + / system scheduler add name=bridge-port-vlan on-event="/ system script run global-wait; :global BridgePortTo; \$BridgePortTo default;" start-time=startup; Usage and invocation -------------------- @@ -72,6 +73,7 @@ configuration: See also -------- +* [Wait for global functions und modules](../global-wait.md) * [Manage VLANs on bridge ports](bridge-port-vlan.md) --- diff --git a/doc/mod/bridge-port-vlan.md b/doc/mod/bridge-port-vlan.md index 8b88777..67dd04d 100644 --- a/doc/mod/bridge-port-vlan.md +++ b/doc/mod/bridge-port-vlan.md @@ -39,7 +39,8 @@ Also dhcp client can be handled: Add a scheduler to start with default setup on system startup: - / system scheduler add name=bridge-port-vlan on-event=":global GlobalFunctionsReady; :while (\$GlobalFunctionsReady != true) do={ :delay 500ms; }; :global BridgePortVlan; \$BridgePortVlan default;" start-time=startup; + $ScriptInstallUpdate global-wait; + / system scheduler add name=bridge-port-vlan on-event="/ system script run global-wait; :global BridgePortVlan; \$BridgePortVlan default;" start-time=startup; Usage and invocation -------------------- @@ -76,6 +77,7 @@ configuration: See also -------- +* [Wait for global functions und modules](../global-wait.md) * [Manage ports in bridge](bridge-port-to.md) --- diff --git a/global-config b/global-config index 2ad80d7..5f533b4 100644 --- a/global-config +++ b/global-config @@ -8,7 +8,7 @@ # Make sure all configuration properties are up to date and this # value is in sync with value in script 'global-functions'! -:global GlobalConfigVersion 67; +:global GlobalConfigVersion 68; # This is used for DNS and backup file. :global Domain "example.com"; diff --git a/global-config-overlay b/global-config-overlay index 07280cd..4f8eee5 100644 --- a/global-config-overlay +++ b/global-config-overlay @@ -8,7 +8,7 @@ # Make sure all configuration properties are up to date and this # value is in sync with value in script 'global-functions'! # Comment or remove to disable news and change notifications. -:global GlobalConfigVersion 67; +:global GlobalConfigVersion 68; # Copy configuration from global-config here and modify it. diff --git a/global-config.changes b/global-config.changes index 2f30563..2914ea9 100644 --- a/global-config.changes +++ b/global-config.changes @@ -71,6 +71,7 @@ 65="Added module to manage VLANs on bridge ports."; 66="Moved script 'bridge-port-to-default' to new module."; 67="Moved modules to directory with shorter name."; + 68="Reintroduced 'global-wait' for functions in scheduler."; }; # Migration steps to be applied on script updates @@ -79,7 +80,7 @@ 47="/ certificate remove [ find where fingerprint=\"731d3d9cfaa061487a1d71445a42f67df0afca2a6c2d2f98ff7b3ce112b1f568\" or fingerprint=\"25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d\" ];"; 52=":global CertificateDownload; :if ([ :len [ / certificate find where fingerprint=\"67add1166b020ae61b8f5fc96813c04c2aa589960796865572a3c7e737613dfd\" or fingerprint=\"96bcec06264976f37460779acf28c5a7cfe8a3c0aae11a8ffcee05c0bddf08c6\" ] ] < 2) do={ \$CertificateDownload \"R3\"; }; / certificate remove [ find where fingerprint=\"0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739\" ];"; 54=":global ScriptInstallUpdate; :global TelegramTokenId; :global TelegramChatId; :if ([ :len \$TelegramTokenId ] > 0 && [ :len \$TelegramChatId ] > 0) do={ \$ScriptInstallUpdate mod/notification-telegram; }"; - 61="/ system script remove [ find where name~\"^(early-errors|global-wait|mode-button-(event|scheduler)|script-updates)\\\$\" source~\"^#!rsc by RouterOS\\n\" ];"; + 61="/ system script remove [ find where name~\"^(early-errors|mode-button-(event|scheduler)|script-updates)\\\$\" source~\"^#!rsc by RouterOS\\n\" ];"; 66=":global ScriptInstallUpdate; :if ([ :len [ / system script find where name=\"bridge-port-to-default\" ] ] > 0) do={ / system script remove [ find where name~\"^bridge-port-to(-default|ggle)\\\$\" ]; \$ScriptInstallUpdate mod/bridge-port-to; }"; 67=":global ScriptInstallUpdate; :global CharacterReplace; :foreach Script in=[ / system script find where name~\"^global-functions.d/\" ] do={ / system script set name=[ \$CharacterReplace [ / system script get \$Script name ] \"global-functions.d/\" \"mod/\" ] \$Script; }; \$ScriptInstallUpdate;"; }; diff --git a/global-functions b/global-functions index ad6b555..f5bca7a 100644 --- a/global-functions +++ b/global-functions @@ -8,7 +8,7 @@ # https://git.eworm.de/cgit/routeros-scripts/about/ # expected configuration version -:global ExpectedConfigVersion 67; +:global ExpectedConfigVersion 68; # global variables not to be changed by user :global GlobalFunctionsReady false; diff --git a/global-wait b/global-wait new file mode 100644 index 0000000..c601f69 --- /dev/null +++ b/global-wait @@ -0,0 +1,13 @@ +#!rsc by RouterOS +# RouterOS script: global-wait +# Copyright (c) 2020-2021 Christian Hesse +# https://git.eworm.de/cgit/routeros-scripts/about/COPYING.md +# +# provides: backup-script +# +# wait for global-functions to finish +# https://git.eworm.de/cgit/routeros-scripts/about/doc/global-wait.md + +:local 0 "global-wait"; +:global GlobalFunctionsReady; +:while ($GlobalFunctionsReady != true) do={ :delay 500ms; } -- cgit v1.2.3-70-g09d2