main/in-sync: backport from edge

4 files changed, 67 insertions, 0 deletions

diff --git a/main/in-sync/APKBUILD b/main/in-sync/APKBUILD
new file mode 100644
index 0000000000..491ea40fb4
--- /dev/null
+++ b/main/in-sync/APKBUILD
@@ -0,0 +1,23 @@
+# Contributor: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
+# Maintainer: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
+pkgname=in-sync
+pkgver=1.0
+pkgrel=0
+pkgdesc="inotify-triggered file synchronization"
+url="https://git.alpinelinux.org/cgit/aports/tree/main/in-sync"
+arch="noarch"
+license="GPL-2.0-only"
+depends="inotify-tools rsync"
+subpackages="$pkgname-openrc"
+source="in-sync in-sync.conf in-sync.initd"
+options="!check" # No testsuite
+
+package() {
+	install -D -m 755 "$srcdir/in-sync" "$pkgdir/usr/sbin/in-sync"
+	install -D -m 644 "$srcdir/in-sync.conf" "$pkgdir/etc/in-sync.conf"
+	install -D -m 755 "$srcdir/in-sync.initd" "$pkgdir/etc/init.d/in-sync"
+}
+
+sha512sums="e525963135dbf185385fc1739b9241efd149ca14b9198eb52c3667f5ba13bbc924b7192d937179dde8eab2edff0e7d108b72ef75ef5adb0320202cf3838f1c7d  in-sync
+27f1f36437f245e3555d598228ddc81c9ddc217fc54aadaa4135cb3b2794559b485c220e3d481efb600f5386f41af8566c409b6353e9d3f563dfce08a9e9bf78  in-sync.conf
+de73c5375f734a0e1955ee7d2e3f2474e23ff0f8ddcd310a5eb774d208e4de13005d640a3c8fb22ac63b88040a6f7cc88b5723b8ac28829a3784aac2e04a7bd2  in-sync.initd"
diff --git a/main/in-sync/in-sync b/main/in-sync/in-sync
new file mode 100644
index 0000000000..421974dc9e
--- /dev/null
+++ b/main/in-sync/in-sync
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+# inotify-triggered file synchronization
+# Copyright (c) 2020 Kaarle Ritvanen
+
+. /etc/in-sync.conf
+
+log() {
+	logger -p daemon.$1 "$(basename "$0"): $2"
+}
+
+list_files() {
+	local path
+	cat /etc/in-sync.d/* | while read path; do
+		[ -e "$path" ] && echo "$path"
+	done
+}
+
+while :; do
+	for host in $TARGET_HOSTS; do
+		if list_files | rsync -avz --files-from - / $host:/; then
+			log info "successfully synchronized to $host"
+		else
+			log err "synchronization to $host failed"
+		fi
+	done
+	list_files | inotifywait -e close_write -t 900 --fromfile -
+	[ $? -eq 1 ] && sleep 60
+done
diff --git a/main/in-sync/in-sync.conf b/main/in-sync/in-sync.conf
new file mode 100644
index 0000000000..4931f8ccbc
--- /dev/null
+++ b/main/in-sync/in-sync.conf
@@ -0,0 +1 @@
+TARGET_HOSTS=""
diff --git a/main/in-sync/in-sync.initd b/main/in-sync/in-sync.initd
new file mode 100644
index 0000000000..9cc86c0109
--- /dev/null
+++ b/main/in-sync/in-sync.initd
@@ -0,0 +1,14 @@
+#!/sbin/openrc-run
+
+# inotify-triggered file synchronization
+# Copyright (c) 2020 Kaarle Ritvanen
+
+name=in-sync
+command=/usr/sbin/in-sync
+command_background=1
+pidfile=/var/run/$name.pid
+
+depend() {
+	need net
+	after firewall
+}