add simple install script and systemd service

INSTALL.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+echo "Installing bash monitoring script..."
+
+if [ ${UID} -ne 0 ]; then
+    echo "Even if the script itself doesn't need to run as root,"
+    echo "the installer does need to be started with sudo or as root."
+    exit 1
+fi
+
+if [ -d /opt/bash-logging ]; then
+    echo "It seems like the script is already set up on this system."
+    echo "Do you want to overide the old version? Sensors will be kept"
+
+    while true; do
+        read -p "[y/n] " -n 2 CHOICE
+
+        if [ "${CHOICE}" = "y" ]; then
+            SENSORS_TEMP_DIR=$(mktemp -d)
+            mv /opt/bash-logging/sensors.d/ /opt/bash-logging/.env ${SENSORS_TEMP_DIR}/
+            rm -rf /opt/bash-logging/
+            mkdir -p /opt/bash-logging/
+            mv ${SENSORS_TEMP_DIR}/sensors.d/ ${SENSORS_TEMP_DIR}/.env /opt/bash-logging/
+
+            break
+        elif [ "${CHOICE}" = "n" ]; then
+            exit 1
+        fi
+    done
+fi
+
+echo "Copying files..."
+[ ! -d /opt/bash-logging ] && mkdir /opt/bash-logging
+cp -r inc main.sh /opt/bash-logging/
+
+if [ -f /opt/bash-logging/.env ]; then
+    echo "Not overwriting existing .env"
+elif [ -f .env ]; then
+    echo "Copying local .env"
+    cp .env /opt/bash-logging/.env
+else
+    echo "Copying template .env, be sure to adjust it!"
+    cp .env.example /opt/bash-logging/.env
+fi
+
+if [ -d /opt/bash-logging/sensors.d ]; then
+    echo "Not overwriting existing sensors.d"
+else
+    echo "Copying example sensors.d be sure to adjust it!"
+    cp -r sensors.d /opt/bash-logging/
+fi
+
+echo "Copying systemd script..."
+cp systemd/bash-logging.service /etc/systemd/system/
+systemctl daemon-reload
+systemctl enable --now bash-logging.service

systemd/bash-logging.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=BASH based InfluxDB logging script
+After=network.target
+
+[Service]
+ExecStart=/usr/bin/env bash main.sh
+WorkingDirectory=/opt/bash-logging/
+Restart=always
+RestartSec=3
+
+[Install]
+WantedBy=multi-user.target