Add docker-helper from Karl Fessel to Repository

Author: andre-dietrich

docker/arduino/docker-helper/README.md

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+# Docker Helper
+
+This contains udev-rules and shell-scripts that aid in creating device nodes inside docker-containers using udev. (`docker-chardev` and `docker-usbdev` rules and scripts)
+
+The `write_env`-rule and script are there for development purposes. The scrcipt writes its env to a /var/log/write_env.log the rule runs it on a udev event.
+
+Copy them to the appropriate location udev-rules typicaliy go to `/etc/udev/` scripts might go to `/opt/bin/`

docker/arduino/docker-helper/bin/docker-chardev.sh

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+#!/bin/sh
+for c in $( docker container ls -q ); do
+
+
+if [ "$ACTION" = "add" ]; then
+docker exec -u root -i $c sh <<EOF
+
+mknod $DEVNAME c $MAJOR $MINOR
+chmod 0666 $DEVNAME
+chown :dialout $DEVNAME
+
+EOF
+elif [ "$ACTION" = "remove" ]; then
+
+docker exec -u root -i $c sh <<EOF
+
+rm $DEVNAME
+
+EOF
+fi
+
+done

docker/arduino/docker-helper/bin/docker-usbdev.sh

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+#!/bin/sh
+if [ "$DEVTYPE" = "usb_device" ]; then
+for c in $( docker container ls -q ); do
+
+if [ "$ACTION" = "add" ]; then
+docker exec -u root -i $c sh <<EOF
+
+mkdir -p $(dirname $DEVNAME)
+mknod $DEVNAME c $MAJOR $MINOR
+chmod 0666 $DEVNAME
+chown :dialout $DEVNAME
+
+EOF
+elif [ "$ACTION" = "remove" ]; then
+
+docker exec -u root -i $c sh <<EOF
+
+rm $DEVNAME
+rmdir -p --ignore-fail-on-non-empty $(dirname $DEVNAME)
+
+EOF
+fi
+
+done
+fi

docker/arduino/docker-helper/bin/write_env.sh

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+#!/bin/sh
+
+echo -n ===============================  >> /var/log/write_env.log
+date  >> /var/log/write_env.log
+env >> /var/log/write_env.log
+cat >> /var/log/write_env.log << EOF
+$MINOR
+EOF

docker/arduino/docker-helper/udev-rules/99-docker-chardev.rules

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+# for USB devices
+
+KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="docker-chardev_end"
+
+ACTION=="remove", SUBSYSTEM=="tty", RUN+="/opt/bin/docker-chardev.sh"
+ACTION=="add", SUBSYSTEM=="tty", RUN+="/opt/bin/docker-chardev.sh"
+
+#SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}"
+
+LABEL="docker-chardev_end"

docker/arduino/docker-helper/udev-rules/99-docker-usbdev.rules

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+# for USB devices
+
+TAG!="uaccess", GOTO="docker-usbdev_end"
+
+ACTION=="remove", SUBSYSTEM=="usb", RUN+="/opt/bin/docker-usbdev.sh"
+ACTION=="add", SUBSYSTEM=="usb", RUN+="/opt/bin/docker-usbdev.sh"
+
+LABEL="docker-usbdev_end"

docker/arduino/docker-helper/udev-rules/99-log.rules

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+
+# only for USB devices
+
+KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="write_log_end"
+
+ACTION=="remove", SUBSYSTEM=="tty", RUN+="/opt/bin/write_env.sh"
+ACTION=="add", SUBSYSTEM=="tty", RUN+="/opt/bin/write_env.sh"
+
+#SUBSYSTEMS=="usb-serial", ENV{.ID_PORT}="$attr{port_number}"
+
+LABEL="write_log_end"