30-orangepi-sysinfo

#!/bin/bash
#
# Copyright (c) Authors: https://www.armbian.com/authors
#
# This file is licensed under the terms of the GNU General Public
# License version 2. This program is licensed "as is" without any
# warranty of any kind, whether express or implied.
#

# DO NOT EDIT THIS FILE but add config options to /etc/default/orangepi-motd
# generate system information

export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
THIS_SCRIPT="sysinfo"

# don't change default values - they are lost on upgrades. Use /etc/default/orangepi-motd for your values

MOTD_DISABLE=""
PRIMARY_INTERFACE="eth0"
PRIMARY_DIRECTION="rx"
STORAGE=/dev/sda1
HIDE_IP_PATTERN="^dummy0|^lo"
CPU_TEMP_LIMIT=60
# Temperature offset in Celcius degrees
CPU_TEMP_OFFSET=0
HDD_TEMP_LIMIT=60
AMB_TEMP_LIMIT=40

[[ -f /etc/default/orangepi-motd ]] && . /etc/default/orangepi-motd

for f in $MOTD_DISABLE; do
	[[ $f == $THIS_SCRIPT ]] && exit 0
done

# don't edit below here

function display() {
	# $1=name $2=value $3=red_limit $4=minimal_show_limit $5=unit $6=after $7=acs/desc{
	# battery red color is opposite, lower number
	if [[ "$1" == "Battery" ]]; then local great="<"; else local great=">"; fi
	if [[ -n "$2" && "$2" > "0" && (( "${2%.*}" -ge "$4" )) ]]; then
		printf "%-14s" "$1:"
		if awk "BEGIN{exit ! ($2 $great $3)}"; then echo -ne "\e[0;91m $2"; else echo -ne "\e[0;92m $2"; fi
		printf "%-1s\x1B[0m" "$5"
		printf "%-11s\t" "$6"
		return 1
	fi
} # display

function getboardtemp() {
	if [ -f /etc/orangepimonitor/datasources/soctemp ]; then
		read raw_temp </etc/orangepimonitor/datasources/soctemp 2>/dev/null
		if [ ! -z $(echo "$raw_temp" | grep -o "^[1-9][0-9]*\.\?[0-9]*$") ] && (( $(echo "${raw_temp} < 200" |bc -l) )); then
			# Allwinner legacy kernels output degree C
			board_temp=${raw_temp}
		else
			board_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
		fi
	elif [ -f /etc/orangepimonitor/datasources/pmictemp ]; then
		# fallback to PMIC temperature
		board_temp=$(awk '{printf("%d",$1/1000)}' </etc/orangepimonitor/datasources/pmictemp)
	fi
	# Some boards, such as the Orange Pi Zero LTS, report shifted CPU temperatures
	board_temp=$((board_temp + CPU_TEMP_OFFSET))
} # getboardtemp

function batteryinfo() {
	# Battery info for Allwinner
	mainline_dir="/sys/power/axp_pmu"
	legacy_dir="/sys/class/power_supply"
	if [[ -e "$mainline_dir" ]]; then
		read status_battery_connected < $mainline_dir/battery/connected 2>/dev/null
		if [[ "$status_battery_connected" == "1" ]]; then
			read status_battery_charging < $mainline_dir/charger/charging
			read status_ac_connect < $mainline_dir/ac/connected
			read battery_percent< $mainline_dir/battery/capacity
			# dispay charging / percentage
			if [[ "$status_ac_connect" == "1" && "$battery_percent" -lt "100" ]]; then
				status_battery_text=" charging"
			elif [[ "$status_ac_connect" == "1" && "$battery_percent" -eq "100" ]]; then
				status_battery_text=" charged"
			else
				status_battery_text=" discharging"
			fi
		fi
	elif [[ -e "$legacy_dir/axp813-ac" ]]; then
		read status_battery_connected < $legacy_dir/axp20x-battery/present
		if [[ "$status_battery_connected" == "1" ]]; then
			status_battery_text=" "$(awk '{print tolower($0)}' < $legacy_dir/axp20x-battery/status)
			read status_ac_connect < $legacy_dir/axp813-ac/present
			read battery_percent< $legacy_dir/axp20x-battery/capacity
		fi
	elif [[ -e "$legacy_dir/battery" ]]; then
		if [[ (("$(cat $legacy_dir/battery/voltage_now)" -gt "5" )) ]]; then
			status_battery_text=" "$(awk '{print tolower($0)}' < $legacy_dir/battery/status)
			read battery_percent <$legacy_dir/battery/capacity
		fi
	fi
} # batteryinfo

function ambienttemp() {
	# define where w1 usually shows up
        W1_DIR="/sys/devices/w1_bus_master1/"
	if [ -f /etc/orangepimonitor/datasources/ambienttemp ]; then
		read raw_temp </etc/orangepimonitor/datasources/ambienttemp 2>/dev/null
		amb_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
		echo $amb_temp
	elif [[ -d $W1_DIR && $ONE_WIRE == yes ]]; then
		device=$(ls -1 $W1_DIR | grep -E '^[0-9]{1,4}' | head -1)
		if [[ -n $device ]]; then
			read raw_temp < ${W1_DIR}${device}/hwmon/$(ls -1 ${W1_DIR}${device}/hwmon)/temp1_input 2>/dev/null
			amb_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
			echo $amb_temp
		fi
	else
		# read ambient temperature from USB device if available
		if [[ ! -f /usr/bin/temper ]]; then
			echo ""
			return
		fi
		amb_temp=$(temper -c 2>/dev/null)
		case ${amb_temp} in
			*"find the USB device"*)
				echo ""
				;;
			*)
				amb_temp=$(awk '{print $NF}' <<<$amb_temp |  sed 's/C//g')
				echo -n "scale=1;${amb_temp}/1" | grep -oE "\-?[[:digit:]]+\.[[:digit:]]"
		esac
	fi
} # ambienttemp

function get_ip_addresses() {
	local ips=()
	for f in /sys/class/net/*; do
		local intf=$(basename $f)
		# match only interface names "dummy0" and "lo"
		if [[ $intf =~ $HIDE_IP_PATTERN ]]; then
			continue
		else
			local tmp=$(ip -4 addr show dev $intf | grep -v "$intf:avahi" | awk '/inet/ {print $2}' | cut -d'/' -f1)
			# add both name and IP - can be informative but becomes ugly with long persistent/predictable device names
			#[[ -n $tmp ]] && ips+=("$intf: $tmp")
			# add IP only
			[[ -n $tmp ]] && ips+=("$tmp")
		fi
	done
	echo "${ips[@]}"
} # get_ip_addresses

function storage_info() {
	# storage info
	RootInfo=$(df -h /)
	root_usage=$(awk '/\// {print $(NF-1)}' <<<${RootInfo} | sed 's/%//g')
	root_total=$(awk '/\// {print $(NF-4)}' <<<${RootInfo})
	StorageInfo=$(df -h $STORAGE 2>/dev/null | grep $STORAGE)
	if [[ -n "${StorageInfo}" && ${RootInfo} != *$STORAGE* ]]; then
		storage_usage=$(awk '/\// {print $(NF-1)}' <<<${StorageInfo} | sed 's/%//g')
		storage_total=$(awk '/\// {print $(NF-4)}' <<<${StorageInfo})
		if [[ -n "$(command -v smartctl)" ]]; then
			DISK="${STORAGE::-1}"
			storage_temp+=$(smartctl -l scttempsts $DISK 2> /dev/null | grep -i 'Current Temperature:' | awk '{print $(NF-1)}')
		fi
	fi
} # storage_info



# query various systems and send some stuff to the background for overall faster execution.
# Works only with ambienttemp and batteryinfo since A20 is slow enough :)
amb_temp=$(ambienttemp &)
ip_address=$(get_ip_addresses &)
batteryinfo
storage_info
getboardtemp
critical_load=80

# get uptime, logged in users and load in one take
UPTIME=$(LC_ALL=C uptime)
UPT1=${UPTIME#*'up '}
UPT2=${UPT1%'user'*}
users=${UPT2//*','}
users=${users//' '}
time=${UPT2%','*}
time=${time//','}
time=$(echo $time | xargs)
load=${UPTIME#*'load average: '}
load=${load//','}
load=$(echo $load | cut -d" " -f1)
[[ $load == 0.0* ]] && load=0.10
cpucount=$(grep -c processor /proc/cpuinfo)

load=$(awk '{printf("%.0f",($1/$2) * 100)}' <<< "$load $cpucount")

# memory and swap
mem_info=$(LC_ALL=C free -w 2>/dev/null | grep "^Mem" || LC_ALL=C free | grep "^Mem")
memory_usage=$(awk '{printf("%.0f",(($2-($4+$6+$7))/$2) * 100)}' <<<${mem_info})
mem_info=$(echo $mem_info | awk '{print $2}')
memory_total=$(( mem_info / 1024 ))
swap_info=$(LC_ALL=C free -m | grep "^Swap")
swap_usage=$( (awk '/Swap/ { printf("%3.0f", $3/$2*100) }' <<<${swap_info} 2>/dev/null || echo 0) | tr -c -d '[:digit:]')
swap_total=$(awk '{print $(2)}' <<<${swap_info})

# display info
display "System load" "${load%% *}" "${critical_load}" "0" "%" ""

printf "Up time:       \x1B[92m%s\x1B[0m\t" "$time"
display "Local users" "${users##* }" "3" "2" ""
echo "" # fixed newline
if [[ ${memory_total} -gt 1000 ]]; then
	memory_total=$(awk '{printf("%.2f",$1/1024)}' <<<${memory_total})"G"
else
	memory_total+="M"
fi

if [[ ${swap_total} -gt 500 ]]; then
	swap_total=$(awk '{printf("%.2f",$1/1024)}' <<<${swap_total})"G"
else
	swap_total+="M"
fi

display "Memory usage" "$memory_usage" "70" "0" "%" " of ${memory_total}"
display "Zram usage" "$swap_usage" "75" "0" "%" " of ${swap_total}"
printf "IP:	       "
printf "\x1B[92m%s\x1B[0m" "$ip_address"
echo "" # fixed newline
display "CPU temp" "$board_temp" $CPU_TEMP_LIMIT "0" "°C" ""
display "Ambient temp" "$amb_temp" $AMB_TEMP_LIMIT "0" "°C" ""
display "Usage of /" "$root_usage" "90" "1" "%" " of $root_total"
echo "" # fixed newline
a=0
display "storage/" "$storage_usage" "90" "1" "%" " of $storage_total" ; a=$((a+$?))
display "storage temp" "$storage_temp" $HDD_TEMP_LIMIT "0" "°C" "" ; a=$((a+$?))
display "Battery" "$battery_percent" "20" "1" "%" "$status_battery_text" ; a=$((a+$?))
(( $a > 0 )) && echo "" # new line only if some value is displayed

# Check whether PRIMARY_INTERFACE exist in /var/lib/vnstat/
PRIMARY_INTERFACE=$(comm -12 <(ls -1 /var/lib/vnstat/ 2> /dev/null) <(echo "$PRIMARY_INTERFACE" | sed 's/+/\n/g') | sed -n -e 'H;${x;s/\n/+/g;s/^+//;p;}')

line=0
if [[ $(command -v vnstat) && -n $PRIMARY_INTERFACE ]]; then
	traffic=$(vnstat -i $PRIMARY_INTERFACE --oneline | cut -d";" -f4,5)
	traffic_rx=$(echo $traffic | cut -d";" -f1,1 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/')
	traffic_tx=$(echo $traffic | cut -d";" -f2,2 | sed -r 's/([0-9]+\.[0-9]{1})[0-9]*/\1/')
	[[ "$traffic" == *"Not enough"* ]] && { traffic_tx="n/a	"; traffic_rx="n/a	"; }
	case $PRIMARY_DIRECTION in
		tx)
			printf "TX today:      \x1B[92m%s\x1B[0m  \t"  "$traffic_tx"
			line=$((line+1))
		;;
		rx)
			printf "RX today:      \x1B[92m%s\x1B[0m  \t"  "$traffic_rx"
			line=$((line+1))
		;;
		both)
			printf "TX today:      \x1B[92m%s\x1B[0m  \t"  "$traffic_tx"
			printf "RX today:      \x1B[92m%s\x1B[0m  \t"  "$traffic_rx"
			line=$((line+1))
		;;
		*) #off or whatever
		;;
	esac
fi

if [[ $(command -v zpool) ]]; then
	zpoolstatus="$(zpool status </dev/stdin 2>&1 )"
	if [[ -n $(echo $zpoolstatus | grep 'not loaded') ]]; then
	:
	elif [[ -n $(echo $zpoolstatus | grep 'degraded\|OFFLINE') ]]; then
		printf "ZFS pool:      "
		echo -ne "\e[0;91mDegraded\x1B[0m"
		line=$((line+1))
	elif [[ -n $(echo $zpoolstatus | grep 'no pools available') ]]; then
		printf "ZFS pool:      "
		echo -ne "n/a"
		line=$((line+1))
	else
		printf "ZFS pool:      "
		echo -ne "\e[0;92mOnline\x1B[0m"
		line=$((line+1))
	fi
fi
[[ $line -ne 0 ]] && echo ""
echo ""