195 lines
7.2 KiB
Plaintext
195 lines
7.2 KiB
Plaintext
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#!/bin/bash
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#
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# Copyright (c) Authors: http://www.armbian.com/authors
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#
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# This file is licensed under the terms of the GNU General Public
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# License version 2. This program is licensed "as is" without any
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# warranty of any kind, whether express or implied.
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#
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# DO NOT EDIT THIS FILE but add config options to /etc/default/armbian-motd
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# generate system information
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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THIS_SCRIPT="sysinfo"
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MOTD_DISABLE=""
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STORAGE=/dev/sda1
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SHOW_IP_PATTERN="^[ewr].*|^br.*|^lt.*|^umts.*"
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[[ -f /etc/default/armbian-motd ]] && . /etc/default/armbian-motd
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for f in $MOTD_DISABLE; do
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[[ $f == $THIS_SCRIPT ]] && exit 0
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done
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# don't edit below here
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function display() {
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# $1=name $2=value $3=red_limit $4=minimal_show_limit $5=unit $6=after $7=acs/desc{
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# battery red color is opposite, lower number
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if [[ "$1" == "Battery" ]]; then local great="<"; else local great=">"; fi
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if [[ -n "$2" && "$2" > "0" && (( "${2%.*}" -ge "$4" )) ]]; then
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printf "%-14s%s" "$1:"
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if awk "BEGIN{exit ! ($2 $great $3)}"; then echo -ne "\e[0;91m $2"; else echo -ne "\e[0;92m $2"; fi
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printf "%-1s%s\x1B[0m" "$5"
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printf "%-11s%s\t" "$6"
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return 1
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fi
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} # display
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function getboardtemp() {
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if [ -f /etc/armbianmonitor/datasources/soctemp ]; then
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read raw_temp </etc/armbianmonitor/datasources/soctemp 2>/dev/null
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if [ ! -z $(echo "$raw_temp" | grep -o "^[1-9][0-9]*\.\?[0-9]*$") ] && (( $(echo "${raw_temp} < 200" |bc -l) )); then
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# Allwinner legacy kernels output degree C
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board_temp=${raw_temp}
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else
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# Marvell gets special treatment for whatever reasons
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grep -qi Marvell /proc/cpuinfo && \
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board_temp=$(( $(awk '{printf("%d",$1/1000)}' <<<${raw_temp}) - 20 )) || \
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board_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
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fi
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elif [ -f /etc/armbianmonitor/datasources/pmictemp ]; then
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# fallback to PMIC temperature
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board_temp=$(awk '{printf("%d",$1/1000)}' </etc/armbianmonitor/datasources/pmictemp)
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fi
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} # getboardtemp
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function batteryinfo() {
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# Battery info for Allwinner
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mainline_dir="/sys/power/axp_pmu"
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legacy_dir="/sys/class/power_supply"
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if [[ -e "$mainline_dir" ]]; then
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read status_battery_connected < $mainline_dir/battery/connected
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if [[ "$status_battery_connected" == "1" ]]; then
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read status_battery_charging < $mainline_dir/charger/charging
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read status_ac_connect < $mainline_dir/ac/connected
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read battery_percent< $mainline_dir/battery/capacity
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# dispay charging / percentage
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if [[ "$status_ac_connect" == "1" && "$battery_percent" -lt "100" ]]; then
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status_battery_text=" charging"
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elif [[ "$status_ac_connect" == "1" && "$battery_percent" -eq "100" ]]; then
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status_battery_text=" charged"
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else
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status_battery_text=" discharging"
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fi
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fi
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elif [[ -e "$legacy_dir/axp813-ac" ]]; then
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read status_battery_connected < $legacy_dir/axp20x-battery/present
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if [[ "$status_battery_connected" == "1" ]]; then
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status_battery_text=" "$(awk '{print tolower($0)}' < $legacy_dir/axp20x-battery/status)
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read status_ac_connect < $legacy_dir/axp813-ac/present
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read battery_percent< $legacy_dir/axp20x-battery/capacity
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fi
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elif [[ -e "$legacy_dir/battery" ]]; then
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if [[ (("$(cat $legacy_dir/battery/voltage_now)" -gt "5" )) ]]; then
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status_battery_text=" "$(awk '{print tolower($0)}' < $legacy_dir/battery/status)
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read battery_percent <$legacy_dir/battery/capacity
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fi
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fi
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} # batteryinfo
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function ambienttemp() {
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# read ambient temperature from USB device if available
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if [[ ! -f /usr/bin/temper ]]; then
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echo ""
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return
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fi
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amb_temp=$(temper -c 2>/dev/null)
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case ${amb_temp} in
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*"find the USB device"*)
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echo ""
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;;
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*)
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amb_temp=$(awk '{print $NF}' <<<$amb_temp | sed 's/C//g')
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echo -n "scale=1;${amb_temp}/1" | grep -oE "\-?[[:digit:]]+\.[[:digit:]]"
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esac
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} # ambienttemp
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#function get_ip_addresses() {
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# # return up to 2 IPv4 address(es) comma separated
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# hostname -I | tr " " "\n" | \
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# grep -E "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$" | \
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# tail -n2 | sed ':a;N;$!ba;s/\n/,/g'
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#} # get_ip_addresses
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function get_ip_addresses() {
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local ips=()
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for f in /sys/class/net/*; do
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local intf=$(basename $f)
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# match only interface names starting with e (Ethernet), br (bridge), w (wireless), r (some Ralink drivers use ra<number> format)
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if [[ $intf =~ $SHOW_IP_PATTERN ]]; then
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local tmp=$(ip -4 addr show dev $intf | awk '/inet/ {print $2}' | cut -d'/' -f1)
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# add both name and IP - can be informative but becomes ugly with long persistent/predictable device names
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#[[ -n $tmp ]] && ips+=("$intf: $tmp")
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# add IP only
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[[ -n $tmp ]] && ips+=("$tmp")
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fi
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done
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echo "${ips[@]}"
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} # get_ip_addresses
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function storage_info() {
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# storage info
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RootInfo=$(df -h /)
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root_usage=$(awk '/\// {print $(NF-1)}' <<<${RootInfo} | sed 's/%//g')
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root_total=$(awk '/\// {print $(NF-4)}' <<<${RootInfo})
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StorageInfo=$(df -h $STORAGE 2>/dev/null | grep $STORAGE)
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if [[ -n "${StorageInfo}" && ${RootInfo} != *$STORAGE* ]]; then
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storage_usage=$(awk '/\// {print $(NF-1)}' <<<${StorageInfo} | sed 's/%//g')
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storage_total=$(awk '/\// {print $(NF-4)}' <<<${StorageInfo})
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fi
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} # storage_info
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# query various systems and send some stuff to the background for overall faster execution.
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# Works only with ambienttemp and batteryinfo since A20 is slow enough :)
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amb_temp=$(ambienttemp &)
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ip_address=$(get_ip_addresses &)
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batteryinfo
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storage_info
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getboardtemp
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critical_load=$(( 1 + $(grep -c processor /proc/cpuinfo) / 2 ))
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# get uptime, logged in users and load in one take
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UptimeString=$(uptime | tr -d ',')
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time=$(awk -F" " '{print $3" "$4}' <<<"${UptimeString}")
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load="$(awk -F"average: " '{print $2}'<<<"${UptimeString}")"
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users="$(awk -F" user" '{print $1}'<<<"${UptimeString}")"
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case ${time} in
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1:*) # 1-2 hours
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time=$(awk -F" " '{print $3" hour"}' <<<"${UptimeString}")
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;;
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*:*) # 2-24 hours
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time=$(awk -F" " '{print $3" hours"}' <<<"${UptimeString}")
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;;
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esac
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# memory and swap
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mem_info=$(LC_ALL=C free -w 2>/dev/null | grep "^Mem" || LC_ALL=C free | grep "^Mem")
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memory_usage=$(awk '{printf("%.0f",(($2-($4+$6+$7))/$2) * 100)}' <<<${mem_info})
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memory_total=$(awk '{printf("%d",$2/1024)}' <<<${mem_info})
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swap_info=$(LC_ALL=C free -m | grep "^Swap")
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swap_usage=$( (awk '/Swap/ { printf("%3.0f", $3/$2*100) }' <<<${swap_info} 2>/dev/null || echo 0) | tr -c -d '[:digit:]')
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swap_total=$(awk '{print $(2)}' <<<${swap_info})
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# display info
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display "System load" "${load%% *}" "${critical_load}" "0" "" "${load#* }"
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printf "Up time: \x1B[92m%s\x1B[0m\t\t" "$time"
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display "Local users" "${users##* }" "3" "2" ""
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echo "" # fixed newline
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display "Memory usage" "$memory_usage" "70" "0" " %" " of ${memory_total}MB"
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display "Zram usage" "$swap_usage" "75" "0" " %" " of $swap_total""Mb"
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printf "IP: "
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printf "\x1B[92m%s\x1B[0m" "$ip_address"
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echo "" # fixed newline
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a=0;b=0;c=0
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display "CPU temp" "$board_temp" "45" "0" "°C" "" ; a=$?
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display "Ambient temp" "$amb_temp" "40" "0" "°C" "" ; b=$?
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(( ($a+$b) >0 )) && echo "" # new line only if some value is displayed
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display "Usage of /" "$root_usage" "90" "1" "%" " of $root_total"
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display "storage/" "$storage_usage" "90" "1" "%" " of $storage_total"
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display "Battery" "$battery_percent" "20" "1" "%" "$status_battery_text"
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echo ""
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echo ""
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