print container version at container start

Dockerfile

@@ -39,7 +39,9 @@ RUN set -x && \
     /tmp/* \
     /var/lib/apt/lists/* \
     /.dockerenv \
-    /git
+    /git && \
+    version="$(/usr/sbin/radar -v | sed 's/^.*Version \(.*\)$/\1/g;q')" && \
+    echo "${version// /_} ($(uname -m))" > /.CONTAINER_VERSION
 #
 COPY rootfs/ /
 #

rootfs/etc/s6-overlay/s6-rc.d/99-print-container-version/type

@@ -0,0 +1 @@
+oneshot

rootfs/etc/s6-overlay/s6-rc.d/99-print-container-version/up

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec /etc/s6-overlay/scripts/99-print-container-version

rootfs/etc/s6-overlay/scripts/99-print-container-version

@@ -0,0 +1,30 @@
+#!/command/with-contenv bash
+# shellcheck shell=bash disable=SC1091,SC2015,SC2164,SC2068,SC2145
+
+source /scripts/common
+s6wrap=(s6wrap --quiet --timestamps --prepend="$(basename "$0")")
+
+#---------------------------------------------------------------------------------------------
+# This repository, docker container, and accompanying scripts and documentation is
+# Copyright (C) 2022-2023, Ramon F. Kolb (kx1t)
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation, either version 3 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along with this program.
+# If not, see <https://www.gnu.org/licenses/>.
+#
+# Radar1090 is an ADS-B RADAR Feed Service
+# Copyright (C) 2023 by Michael J. Tubby B.Sc. MIET G8TIC [email protected] All Rights Reserved.
+# No license to the "radar" binary and its source code is implied; contact the author for information.
+#---------------------------------------------------------------------------------------------
+
+# Print container version
+
+"${s6wrap[@]}" --args echo "Container Version: $([[ -f .CONTAINER_VERSION ]] && cat .CONTAINER_VERSION || true))"

rootfs/etc/s6-overlay/scripts/radar1090-log

@@ -75,7 +75,7 @@ while true; do
     "${s6wrap[@]}" --args echo "------------------------"
     "${s6wrap[@]}" --args echo "Traffic statistics over the previous $WAITTIME seconds:"
     "${s6wrap[@]}" --args echo "- Total packets received from ${BEASTHOST:-ultrafeeder}: $total_packets"
-    "${s6wrap[@]}" --args echo "- Duplicate dackets discarded: $total_dupes"
+    "${s6wrap[@]}" --args echo "- Duplicate packets discarded: $total_dupes"
     "${s6wrap[@]}" --args echo "- Average bandwidth used (excluding overhead): $avg_bps bytes/sec"
 
 done