add dynamic motd with hostname, ip and other stats

This commit is contained in:
2017-06-23 09:13:58 -04:00
parent e7d94e2c3a
commit 4c5d84de54
9 changed files with 402 additions and 4 deletions

163
roles/motd/files/cubox.sh Normal file
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#!/bin/bash
#
# 30-sysinfo - generate the system information
# Copyright (c) 2015-2017 Igor Pecovnik
export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
THIS_SCRIPT="sysinfo"
MOTD_DISABLE=""
[[ -f /etc/default/armbian-motd ]] && . /etc/default/armbian-motd
for f in $MOTD_DISABLE; do
[[ $f == $THIS_SCRIPT ]] && exit 0
done
# define which hard drive you want to monitor
storage=/dev/sda1
# 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%s" "$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%s\x1B[0m" "$5"
printf "%-11s%s\t" "$6"
return 1
fi
} # display
function getboardtemp() {
if [ -f /etc/armbianmonitor/datasources/soctemp ]; then
read raw_temp </etc/armbianmonitor/datasources/soctemp
if [ ${raw_temp} -le 200 ]; then
# Allwinner legacy kernels output degree C
board_temp=${raw_temp}
else
# Marvell gets special treatment for whatever reasons
grep -qi Marvell /proc/cpuinfo && \
board_temp=$(( $(awk '{printf("%d",$1/1000)}' <<<${raw_temp}) - 20 )) || \
board_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
fi
elif [ -f /etc/armbianmonitor/datasources/pmictemp ]; then
# fallback to PMIC temperature
board_temp=$(awk '{printf("%d",$1/1000)}' </etc/armbianmonitor/datasources/pmictemp)
fi
} # getboardtemp
function batteryinfo() {
# Battery info for Allwinner
mainline_dir="/sys/power/axp_pmu"
legacy_dir="/sys/class/power_supply"
if [[ -e "$mainline_dir" ]]; then
read status_battery_connected < $mainline_dir/battery/connected
if [[ "$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/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() {
# read ambient temperature from USB device if available
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;${amb_temp}/1" | grep -oE "\-?[[:digit:]]+.[[:digit:]]"
esac
} # ambienttemp
function get_ip_addresses() {
# return up to 2 IPv4 address(es) comma separated
hostname -I | tr " " "\n" | \
grep -E "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$" | \
tail -n2 | sed ':a;N;$!ba;s/\n/,/g'
} # get_ip_addresses
function storage_info() {
# storage info
RootInfo=$(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}" ]; then
storage_usage=$(awk '/\// {print $(NF-1)}' <<<${StorageInfo} | sed 's/%//g')
storage_total=$(awk '/\// {print $(NF-4)}' <<<${StorageInfo})
[[ "$storage" == */sd* ]] && hdd_temp=$(hddtemp -u C -nq $storage)
fi
} # storage_info
# query various systems and send some stuff to the background for overall faster execution.
# Works only with ambienttemp and batteryinfo since A20 is slow enough :)
amb_temp=$(ambienttemp &)
ip_address=$(get_ip_addresses &)
batteryinfo
storage_info
getboardtemp
critical_load=$(( 1 + $(grep -c processor /proc/cpuinfo) / 2 ))
# get uptime, logged in users and load in one take
UptimeString=$(uptime | tr -d ',')
time=$(awk -F" " '{print $3" "$4}' <<<"${UptimeString}")
load="$(awk -F"average: " '{print $2}'<<<"${UptimeString}")"
users="$(awk -F" user" '{print $1}'<<<"${UptimeString}")"
case ${time} in
1:*) # 1-2 hours
time=$(awk -F" " '{print $3" hour"}' <<<"${UptimeString}")
;;
*:*) # 2-24 hours
time=$(awk -F" " '{print $3" hours"}' <<<"${UptimeString}")
;;
esac
# memory and swap
mem_info=$(LANG=en_US.UTF-8 free -w 2>/dev/null | grep "^Mem" || LANG=en_US.UTF-8 free | grep "^Mem")
memory_usage=$(awk '{printf("%.0f",(($2-($4+$6+$7))/$2) * 100)}' <<<${mem_info})
memory_total=$(awk '{printf("%d",$2/1024)}' <<<${mem_info})
swap_info=$(LANG=en_US.UTF-8 free -m | grep "^Swap")
swap_usage=$( (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" "" "${load#* }"
printf "Up time: \x1B[92m%s\x1B[0m\t\t" "$time"
display "Local users" "${users##* }" "3" "2" ""
echo "" # fixed newline
display "Memory usage" "$memory_usage" "70" "0" " %" " of ${memory_total}MB"
display "Swap usage" "$swap_usage" "10" "0" " %" " of $swap_total""Mb"
printf "IP: "
printf "\x1B[92m%s\x1B[0m" "$ip_address"
echo "" # fixed newline
a=0;b=0;c=0
display "CPU temp" "$board_temp" "45" "0" "°C" "" ; a=$?
display "HDD temp" "$hdd_temp" "45" "0" "°C" "" ; b=$?
display "Ambient temp" "$amb_temp" "40" "0" "°C" "" ; c=$?
(( ($a+$b+$c) >0 )) && echo "" # new line only if some value is displayed
display "Usage of /" "$root_usage" "90" "1" "%" " of $root_total"
display "storage/" "$storage_usage" "90" "1" "%" " of $storage_total"
display "Battery" "$battery_percent" "20" "1" "%" "$status_battery_text"
echo ""
echo ""

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#!/bin/bash
figlet $(hostname)

167
roles/motd/files/systats.sh Normal file
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#!/bin/bash
#
# 10-sysinfo - generate the system information
# Copyright (c) 2013 Nick Charlton
#
# Authors: Nick Charlton &lt;hello@nickcharlton.net&gt;
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
# define which hard drive you want to monitor
storage=/dev/sda1
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%s" "$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%s\x1B[0m" "$5"
printf "%-11s%s\t" "$6"
return 1
fi
} # display
#function getboardtemp() {
# if [ -f /etc/armbianmonitor/datasources/soctemp ]; then
# read raw_temp </etc/armbianmonitor/datasources/soctemp
# if [ ${raw_temp} -le 200 ]; then
# # Allwinner legacy kernels output degree C
# board_temp=${raw_temp}
# else
# # Marvell gets special treatment for whatever reasons
# grep -qi Marvell /proc/cpuinfo && \
# board_temp=$(( $(awk '{printf("%d",$1/1000)}' <<<${raw_temp}) - 20 )) || \
# board_temp=$(awk '{printf("%d",$1/1000)}' <<<${raw_temp})
# fi
# elif [ -f /etc/armbianmonitor/datasources/pmictemp ]; then
# # fallback to PMIC temperature
# board_temp=$(awk '{printf("%d",$1/1000)}' </etc/armbianmonitor/datasources/pmictemp)
# fi
#} # getboardtemp
#function batteryinfo() {
# # Battery info for Allwinner
# mainline_dir="/sys/power/axp_pmu"
# legacy_dir="/sys/class/power_supply"
# if [[ -e "$mainline_dir" ]]; then
# read status_battery_connected < $mainline_dir/battery/connected
# if [[ "$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/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() {
# # read ambient temperature from USB device if available
# 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;${amb_temp}/1" | grep -oE "\-?[[:digit:]]+.[[:digit:]]"
# esac
#} # ambienttemp
function get_ip_addresses() {
# return up to 2 IPv4 address(es) comma separated
hostname -I | tr " " "\n" | \
grep "192.168." | \
tail -n2 | sed ':a;N;$!ba;s/\n/,/g'
} # get_ip_addresses
ip_address=$(get_ip_addresses &)
## storage
#function storage_info() {
# # storage info
# RootInfo=$(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}" ]; then
# storage_usage=$(awk '/\// {print $(NF-1)}' <<<${StorageInfo} | sed 's/%//g')
# storage_total=$(awk '/\// {print $(NF-4)}' <<<${StorageInfo})
# [[ "$storage" == */sd* ]] && hdd_temp=$(hddtemp -u C -nq $storage)
# fi
#} # storage_info
#storage_info
root_usage=`df -h / | awk '/\// {print $(NF-1)}'`
## System info
date=`date`
UptimeString=$(uptime | tr -d ',')
time=$(awk -F" " '{print $3" "$4}' <<<"${UptimeString}")
load="$(awk -F"average: " '{print $2}'<<<"${UptimeString}")"
users="$(awk -F" user" '{print $1}'<<<"${UptimeString}")"
critical_load=$(( 1 + $(grep -c processor /proc/cpuinfo) / 2 ))
processes=`ps aux | wc -l`
## memory and swap
mem_info=$(LANG=en_US.UTF-8 free -w 2>/dev/null | grep "^Mem" || LANG=en_US.UTF-8 free | grep "^Mem")
memory_usage=$(awk '{printf("%.0f",(($2-($4+$6+$7))/$2) * 100)}' <<<${mem_info})
memory_total=$(awk '{printf("%d",$2/1024)}' <<<${mem_info})
swap_info=$(LANG=en_US.UTF-8 free -m | grep "^Swap")
swap_usage=$( (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})
swap_usage=`free -m | awk '/Swap:/ { printf("%3.1f%%", $3/$2*100) }'`
#batteryinfo
#getboardtemp
# DISPLAY
echo "System information as of: $date"
echo
display "System load" "${load%% *}" "${critical_load}" "0" "" "${load#* }"
printf "Up time: \x1B[92m%s\x1B[0m\t\t" "$time"
echo "" # fixed newline
display "Memory usage" "$memory_usage" "70" "0" " %" " of ${memory_total}MB"
display "Swap usage" "$swap_usage" "10" "0" " %" " of ${swap_total}Mb"
echo ""
display "Usage of /" "$root_usage" "90" "1" "%" " of $root_total"
printf "IP: "
printf "\x1B[92m%s\x1B[0m" "$ip_address"
echo ""
display "Local users" "${users##* }" "3" "0" ""
display "Processes" "${processes##* }" "150" "100" ""
echo ""
#a=0;b=0;c=0
#display "CPU temp" "$board_temp" "45" "0" "°C" "" ; a=$?
#display "HDD temp" "$hdd_temp" "45" "0" "°C" "" ; b=$?
#display "Ambient temp" "$amb_temp" "40" "0" "°C" "" ; c=$?
#(( ($a+$b+$c) >0 )) && echo "" # new line only if some value is displayed

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roles/motd/tasks/main.yml Normal file
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---
# main tasks for setting up motd dynamic shell header
- name: Install the nginx packages
apt:
name: "{{ item }}"
update_cache: yes
cache_valid_time: 3600
state: latest
with_items:
- lsb-release
- figlet
- update-motd
- lm-sensors
when: "ansible_nodename != 'cubox-i'"
- name: remove help text
file:
state: absent
path: "{{ item }}"
with_items:
- /etc/update-motd.d/10-help-text
- /etc/update-motd.d/51-cloudguest
when: "ansible_nodename != 'cubox-i'"
- name: add new info
copy:
src: "{{ item.src }}"
dest: /etc/update-motd.d/{{ item.dest }}
mode: 755
with_items:
- { src: hostname.sh, dest: 10-hostname }
- { src: systats.sh, dest: 11-sysstats}
when: "ansible_nodename != 'cubox-i'"