add fan control service

proxmox/fan_control/fan_control.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=User defined temperature fan control for iDrac 9
+
+[Service]
+Type=simple
+ExecStart=/usr/local/sbin/temperature_monitor.sh
+Restart=always
+
+[Install]
+WantedBy=multi-user.target

proxmox/fan_control/fan_control.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+
+check_start_time() {
+    local start_time="$1"
+    local current_time=$(date +%s)
+
+    local time_diff=$((current_time - start_time))
+
+    if [ $time_diff -ge 60 ]; then
+        echo 0
+    else
+        echo 1
+    fi
+}
+
+check_temperature() {
+    temp_lines=$(ipmitool -I lanplus -H "$HOST" -U "$USER" -P "$PASS" sdr type temperature 2>/dev/null | grep -e degrees | awk '{print $(NF-2)}')
+    temp_arr=""
+    readarray -t temp_arr <<< "$temp_lines"
+    sorted_temps=($(printf "%s\n" "${temp_arr[@]}" | sort -nr))
+    max_temp=${sorted_temps[0]}
+
+    if [ "$max_temp" -le 60 ]; then
+        # enable manual fan control
+        ipmitool -I lanplus -H "$HOST" -U "$USER" -P "$PASS" raw 0x30 0x30 0x01 0x00 &> /dev/null
+        # set initial fan to 20%
+        ipmitool -I lanplus -H "$HOST" -U "$USER" -P "$PASS" raw 0x30 0x30 0x02 0xff 0x14 &> /dev/null
+    else
+        # enable Dell fan control
+        ipmitool -I lanplus -H "$HOST" -U "$USER" -P "$PASS" raw 0x30 0x30 0x01 0x01 &> /dev/null
+    fi
+}
+
+disable_third_party_mode (){
+    # disable 3rd party pcie fan mode
+    output=$(sshpass -p "$PASS" ssh -o StrictHostKeyChecking=no "$USER@$HOST" "racadm get system.pcieslotlfm" 2>/dev/null)
+    pcie_ports_count=$(echo "$output" | grep -c 'System.pcieslotlfm')
+
+    # Iterate through each PCIe port and disable third party mode
+    for ((i=1; i<=pcie_ports_count; i++)); do
+        sshpass -p "$PASS" ssh -o StrictHostKeyChecking=no "$USER@$HOST" "racadm set system.pcieslotlfm.$i.lfmmode disabled" &> /dev/null
+    done
+}
+
+HOST=""
+USER=""
+PASS=""
+VMID=""
+
+start_time=$(ps -o lstart= -p $(cat /var/run/qemu-server/$VMID.pid))
+start_time=$(date -d "$start_time" +%s)
+
+while [[ $(check_start_time "$start_time") -eq 1 ]]
+do
+    sleep 5
+done
+
+disable_third_party_mode
+
+while true; do
+    check_temperature
+    sleep 60
+done