Initial add of omr-tracker package

omr-tracker/files/etc/config/omr-tracker

@@ -0,0 +1,10 @@
+config defaults 'defaults'
+        list hosts '51.254.49.132'
+        list hosts '51.254.49.133'
+        option timeout '1'
+        option tries '3'
+        option interval '2'
+        option options 'tracker.overthebox.ovh'
+
+config rule_type 'tunnel'
+        option tries '5'

omr-tracker/files/etc/init.d/omr-tracker

@@ -0,0 +1,75 @@
+#!/bin/sh /etc/rc.common
+# shellcheck disable=SC2039
+# vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
+
+# shellcheck disable=SC2034
+{
+	START=90
+	STOP=10
+	USE_PROCD=1
+}
+
+_validate_section() {
+	local tmp_hosts=$hosts tmp_timeout=$timeout tmp_tries=$tries
+	local tmp_interval=$interval tmp_options=$options
+
+	uci_validate_section omr-tracker "$1" "$2" \
+		'hosts:list(host)' \
+		'timeout:uinteger' \
+		'tries:uinteger' \
+		'interval:uinteger' \
+		'options:string'
+
+	[ -z "$hosts"    ] && hosts=$tmp_hosts
+	[ -z "$timeout"  ] && timeout=$tmp_timeout
+	[ -z "$tries"    ] && tries=$tmp_tries
+	[ -z "$interval" ] && interval=$tmp_interval
+	[ -z "$options"  ] && options=$tmp_options
+}
+
+_launch_tracker() {
+	case "$1" in
+		loopback|lan*|if0*|glorytun*) return;;
+	esac
+
+	local interface_type
+	config_get interface_type "$1" type
+
+	local hosts timeout tries interval options
+	_validate_section "defaults" "defaults"
+	_validate_section "rule_type" "$interface_type"
+	_validate_section "interface" "$1"
+
+	local ifname ip4table
+	config_get ifname "$1" ifname
+	config_get multipath "$1" multipath
+
+	[ -z "$ifname" ] || [ -z "$multipath" ] || [ "$multipath" = "off" ] && return
+
+	procd_open_instance
+	# shellcheck disable=SC2086
+	procd_set_param command /bin/omr-tracker "$1" $options
+	procd_append_param env "OMR_TRACKER_HOSTS=$hosts"
+	procd_append_param env "OMR_TRACKER_TIMEOUT=$timeout"
+	procd_append_param env "OMR_TRACKER_TRIES=$tries"
+	procd_append_param env "OMR_TRACKER_INTERVAL=$interval"
+	procd_append_param env "OMR_TRACKER_TABLE=$ip4table"
+	procd_append_param env "OMR_TRACKER_DEVICE=$ifname"
+	procd_set_param respawn 0 10 0
+	procd_set_param stderr 1
+	procd_close_instance
+}
+
+start_service() {
+	config_load network
+	config_foreach _launch_tracker interface
+}
+
+service_triggers() {
+	procd_add_reload_trigger omr-tracker network
+}
+
+reload_service() {
+	stop
+	start
+}