first commit

Dockerfile

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+FROM alpine:latest
+#
+ARG PUID=1000
+ARG PGID=1000
+#
+RUN set -xe \
+    && addgroup -g ${PGID} -S mosquitto \
+    && adduser -u ${PUID} -G mosquitto -h /mosquitto/ -D mosquitto \
+    && apk add --no-cache --purge -uU mosquitto mosquitto-libs mosquitto-clients 
+
+WORKDIR /workspace
+COPY root/defaults/temp2mqtt /workspace
+
+CMD [ "sh", "./temp2mqtt" ]

docker-compose.yml

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+---
+version: "3.8"
+services:
+  temp2mqtt:
+    image: sthopeless/temp2mqtt:latest
+    container_name: temp2mqtt
+    network_mode: bridge
+    environment:
+      - PGID=1000
+      - PUID=1000
+      - PROXMOX_NAME=Icecrown
+      - MQTT_BROKER=mqtt_ip
+      - USERNAME=mqtt_username
+      - PASSWORD=mqtt_password
+    volumes:
+      - /sys/class/thermal/thermal_zone2/temp:/temp:ro
+    restart: unless-stopped
+    labels:
+      - com.centurylinklabs.watchtower.enable=true

root/defaults/temp2mqtt

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+#!/bin/bash
+#  ___  _    _          _ __      
+# / __|| |_ | |_   ___ | '_ \ ___ 
+# \__ \|  _||   \ / _ \| .__// -_)
+# |___/ \__||_||_|\___/|_|   \___|
+
+MQTT_BROKER="${MQTT_BROKER:-192.168.100}";
+USERNAME="${USERNAME:-mosquitto}";
+PASSWORD="${PASSWORD:-insecurebydefault}";
+PROXMOX_NAME="${PROXMOX_NAME:-pve}";
+
+tempvar=$(cat /temp);
+TEMP=$(expr $tempvar / 1000)
+
+while :
+    do
+        mosquitto_pub -h "${MQTT_BROKER}" -u "${USERNAME}" -P "${PASSWORD}" -t proxmox/"${PROXMOX_NAME}"/cpu_temp -m "${TEMP}"
+    sleep 1m
+done

root/etc/cont-init.d/10-setup

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+#!/usr/bin/with-contenv bash
+
+MQTT_BROKER="${MQTT_BROKER:-192.168.100}";
+USERNAME="${USERNAME:-mosquitto}";
+PASSWORD="${PASSWORD:-insecurebydefault}";
+PROXMOX_NAME="${PROXMOX_NAME:-pve}";
+
+TEMP=$(clear;sensors | sed -n 9p | sed 's/^[^=:]*[=:]//' | sed -r 's/\s+//g');
+
+[[ ! -f /mosquitto/config/temp2mqtt ]] && touch /mosquitto/config/temp2mqtt;
+cat <<EOF >> /mosquitto/config/temp2mqtt
+#!/bin/bash
+#  ___  _    _          _ __      
+# / __|| |_ | |_   ___ | '_ \ ___ 
+# \__ \|  _||   \ / _ \| .__// -_)
+# |___/ \__||_||_|\___/|_|   \___|
+
+MQTT_BROKER="${MQTT_BROKER:-192.168.100}";
+USERNAME="${USERNAME:-mosquitto}";
+PASSWORD="${PASSWORD:-insecurebydefault}";
+PROXMOX_NAME="${PROXMOX_NAME:-pve}";
+
+TEMP=$(clear;sensors | sed -n 9p | sed 's/^[^=:]*[=:]//' | sed -r 's/\s+//g');
+
+mosquitto_pub -h "${MQTT_BROKER}" -u "${USERNAME}" -P "${PASSWORD}" -t proxmox/"${PROXMOX_NAME}"/cpu_temp -m "${TEMP}"
+EOF
+
+chown -R mosquitto:mosquitto /mosquitto/;
+chmod +x /mosquitto/config/temp2mqtt;

root/etc/services.d/mosquitto/run

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+#!/usr/bin/with-contenv bash
+
+cd /mosquitto/config || exit 1;
+
+while /mosquitto/config/temp2mqtt; do sleep 10; done