Add systemd-enabled version of janus-gateway

janus-gateway/default/PKGBUILD

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+# Maintainer: Maurizio Porrato <maurizio.porrato@gmail.com>
+# Contributor: Martchus <martchus@gmx.net>
+
+pkgname=janus-gateway
+pkgver=0.4.5
+pkgrel=2
+pkgdesc="WebRTC gateway"
+arch=('i686' 'x86_64')
+url="http://janus.conf.meetecho.com/"
+license=('GPL3')
+depends=('libmicrohttpd' 'jansson' 'libnice' 'openssl' 'libsrtp'
+         'sofia-sip' 'libusrsctp-git' 'libwebsockets' 'libevent' 
+         'librabbitmq-c' 'opus' 'libogg' 'glib2' 'ding-libs' 'lua>=5.3'
+         'ffmpeg')
+makedepends=('gengetopt' 'paho-mqtt-c-git')
+provides=(janus-gateway)
+backup=('etc/janus/janus.cfg')
+install=janus-gateway.install
+
+source=("https://github.com/meetecho/janus-gateway/archive/v${pkgver}.tar.gz"
+        janus.service)
+sha256sums=('fc60e615e0c70249e41a32e068ef8feed7e01478fb7659ae16b73c6dd08d695d'
+            'cf2b6c8fdcd60ccfa179c4cd207a23ee7edfee90588c2c3847aa6cda418bed7f')
+
+_userid=531
+
+build() {
+  cd "$srcdir/$pkgname-$pkgver"
+  ./autogen.sh
+  ./configure --prefix=/usr --sysconfdir=/etc --disable-docs \
+--enable-javascript-commonjs-module --enable-post-processing \
+--enable-mqtt --enable-rabbit-mq
+  DESTDIR="$pkgdir/" make
+
+  # make sysusers file to run as user janus
+  echo "u janus $_userid \"Janus WebRTC gateway user\" /var/lib/janus /bin/bash" > "$srcdir/janus.conf"
+}
+
+package() { 
+  cd "$srcdir/$pkgname-$pkgver"
+  DESTDIR="$pkgdir/" make install configs
+  rm -f "$pkgdir/usr/share/janus/certs/mycert.{key,pem}"
+
+  # install systemd unit file to run as user janus
+  install -dm0700 -o "$_userid" -g "$_userid" "${pkgdir}/var/lib/janus"
+  install -Dm644 "$srcdir/janus.service" -t "${pkgdir}"/usr/lib/systemd/system/
+  install -Dm644 "$srcdir/janus.conf" -t "${pkgdir}"/usr/lib/sysusers.d/
+} 

janus-gateway/default/janus-gateway.install

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+post_install() {
+	openssl req -x509 -batch -nodes -newkey rsa:1024 \
+		-keyout /usr/share/janus/certs/mycert.key \
+		-out /usr/share/janus/certs/mycert.pem
+}
+
+pre_remove() {
+	rm -f /usr/share/janus/certs/mycert.{key,pem}
+}
+

janus-gateway/default/janus.service

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+[Unit]
+Description=Janus WebRTC Gateway
+Wants=network.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/janus
+User=janus
+Group=janus
+Restart=on-failure
+LimitNOFILE=65536
+TasksMax=infinity
+
+[Install]
+WantedBy=multi-user.target