Log all services to memory (#4587)

* Log all services to RAM

* Fix tests workdir

* Rotate logs when they reach 10MB and keep only 1 archive

* Gracefully handle shutdown

* Add note about gracetime not working

* Fix logs permission, create fake logs for devcontainer

* Remove empty line

* Update docker/rootfs/etc/services.d/frigate/run

* Fix fake Frigate shebang

docker/rootfs/etc/services.d/frigate/finish

@@ -0,0 +1,16 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+# Take down the S6 supervision tree when the service exits
+
+set -o errexit -o nounset -o pipefail
+
+# Prepare exit code
+if [[ "${1}" -eq 256 ]]; then
+  exit_code="$((128 + ${2}))"
+else
+  exit_code="${1}"
+fi
+
+# Make the container exit with the same exit code as the service
+echo "${exit_code}" > /run/s6-linux-init-container-results/exitcode
+exec /run/s6/basedir/bin/halt

docker/rootfs/etc/services.d/frigate/log/run

@@ -0,0 +1,4 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+
+exec logutil-service /dev/shm/logs/frigate

docker/rootfs/etc/services.d/frigate/run

@@ -0,0 +1,11 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash
+# Start the Frigate service
+
+set -o errexit -o nounset -o pipefail
+
+cd /opt/frigate
+
+# Replace the bash process with the Frigate process, redirecting stderr to stdout
+exec 2>&1
+exec python3 -u -m frigate