[Buildroot] [git commit branch/2022.02.x] package/janus-gateway: Add systemd service file

[Peter Korsgaard]

commit: https://git.buildroot.net/buildroot/commit/?id=542df24db7f5eed5be0514451df725a3fdd90db6
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/2022.02.x

Signed-off-by: Danilo Bargen <mail at dbrgn.ch>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
(cherry picked from commit 4e5c1dbb22bdd0e1daf9302ddc5ac7c89c461b05)
Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/janus-gateway/janus-gateway.mk      |  5 +++++
 package/janus-gateway/janus-gateway.service | 13 +++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/package/janus-gateway/janus-gateway.mk b/package/janus-gateway/janus-gateway.mk
index 84ca0bc116..381843a0af 100644
--- a/package/janus-gateway/janus-gateway.mk
+++ b/package/janus-gateway/janus-gateway.mk
@@ -131,4 +131,9 @@ else
 JANUS_GATEWAY_CONF_OPTS += --disable-systemd-sockets
 endif
 
+define JANUS_GATEWAY_INSTALL_INIT_SYSTEMD
+	$(INSTALL) -D -m 644 package/janus-gateway/janus-gateway.service \
+		$(TARGET_DIR)/usr/lib/systemd/system/janus-gateway.service
+endef
+
 $(eval $(autotools-package))
diff --git a/package/janus-gateway/janus-gateway.service b/package/janus-gateway/janus-gateway.service
new file mode 100644
index 0000000000..6e6bc7f017
--- /dev/null
+++ b/package/janus-gateway/janus-gateway.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Janus WebRTC Gateway
+Wants=network.target
+StartLimitIntervalSec=0
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/janus
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=multi-user.target