From c5afcde7c2204b37b1f9a04929eddb19ea86c03d Mon Sep 17 00:00:00 2001
From: Aaron van Meerten <aaron.van.meerten@gmail.com>
Date: Wed, 18 Sep 2024 13:06:24 -0500
Subject: [PATCH] feat(jigasi): support graceful shutdown via sidecar (#1908)

---
 jigasi/rootfs/etc/services.d/jigasi/finish |  9 +++++++++
 jigasi/rootfs/opt/jitsi/shutdown.sh        | 11 +++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 jigasi/rootfs/etc/services.d/jigasi/finish
 create mode 100755 jigasi/rootfs/opt/jitsi/shutdown.sh

diff --git a/jigasi/rootfs/etc/services.d/jigasi/finish b/jigasi/rootfs/etc/services.d/jigasi/finish
new file mode 100644
index 0000000..73ee50b
--- /dev/null
+++ b/jigasi/rootfs/etc/services.d/jigasi/finish
@@ -0,0 +1,9 @@
+#!/usr/bin/with-contenv bash
+
+# When the jigasi is shutdown (or gracefully shutdown), it exits with code 0.
+# In this case, we don't want S6 to restart the service. We want to stop all
+# services and shutdown the container.
+
+if [[ $1 -eq 0 ]]; then
+  /opt/jitsi/shutdown.sh
+fi
diff --git a/jigasi/rootfs/opt/jitsi/shutdown.sh b/jigasi/rootfs/opt/jitsi/shutdown.sh
new file mode 100755
index 0000000..4821f60
--- /dev/null
+++ b/jigasi/rootfs/opt/jitsi/shutdown.sh
@@ -0,0 +1,11 @@
+#!/usr/bin/with-contenv bash
+
+if [ -n "$AUTOSCALER_URL" ]; then
+    # notify the sidecar of imminent shutdown
+    PORT=${AUTOSCALER_SIDECAR_PORT:-6000}
+    curl -d '{}' -v 0:$PORT/hook/v1/shutdown
+    sleep 10
+fi
+
+# shutdown everything
+s6-svscanctl -t /var/run/s6/services