procd: add support for reload triggers on data change

This can be useful to reload the firewall when procd firewall data changes

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 49d92d3e933c45e3684da2fbf0a198d195635581)

diff --git a/package/system/procd/files/procd.sh b/package/system/procd/files/procd.sh
index 59e002036d9558fb3afa83bb562a4ee8e90ed36a..0f9405a2220007fc6225e3d3fa45dff5d6c578d3 100644 (file)
--- a/package/system/procd/files/procd.sh
+++ b/package/system/procd/files/procd.sh
@@ -308,6 +308,36 @@ _procd_add_reload_interface_trigger() {
        _procd_close_trigger
 }
 
+_procd_add_data_trigger() {
+       json_add_array
+       _procd_add_array_data "service.data.update"
+
+       json_add_array
+       _procd_add_array_data "if"
+
+       json_add_array
+       _procd_add_array_data "eq" "name" "$1"
+       shift
+       json_close_array
+
+       json_add_array
+       _procd_add_array_data "run_script" "$@"
+       json_close_array
+
+       json_close_array
+       _procd_add_timeout
+       json_close_array
+}
+
+_procd_add_reload_data_trigger() {
+       local script=$(readlink "$initscript")
+       local name=$(basename ${script:-$initscript})
+
+       _procd_open_trigger
+       _procd_add_data_trigger $1 /etc/init.d/$name reload
+       _procd_close_trigger
+}
+
 _procd_add_config_trigger() {
        json_add_array
        _procd_add_array_data "$1"
@@ -661,6 +691,7 @@ _procd_wrapper \
        procd_add_interface_trigger \
        procd_add_mount_trigger \
        procd_add_reload_trigger \
+       procd_add_reload_data_trigger \
        procd_add_reload_interface_trigger \
        procd_add_action_mount_trigger \
        procd_add_reload_mount_trigger \