Creating a software or image request, pls use GitHub
I have a modified diet-banner that shows the status of letsencrypt certificate expiration: enclosed.
Not sure if it is of use to others.
Code is below (with credits to previous inputs and developments):
#!/bin/bash
{
#////////////////////////////////////
# DietPi Banner Script
#
#////////////////////////////////////
# Created by Daniel Knight / daniel.knight@dietpi.com / dietpi.com
#
#////////////////////////////////////
#
# Info:
# - Location: /boot/dietpi/func/dietpi-banner
# - Checks /run/dietpi/.update_available, /run/dietpi/.live_patches, /run/dietpi/.apt_updates, /run/dietpi/.dietpi_motd and /boot/dietpi/.prep_info
#
# Usage:
# - dietpi-banner = banner customisation menu
# - dietpi-banner 0 = top section + LAN IP
# - dietpi-banner 1 = clear terminal + top section + chosen entries + credits
#////////////////////////////////////
# Grab input
[[ $1 == [01] ]] && INPUT=$1 || INPUT=2
# Import DietPi-Globals --------------------------------------------------------------
. /boot/dietpi/func/dietpi-globals
# - Allow concurrent banner prints but a single menu call only
if [[ $1 == 2 ]]
then
readonly G_PROGRAM_NAME='DietPi-Banner'
G_CHECK_ROOT_USER # Required to store settings
G_INIT
fi
# Import DietPi-Globals --------------------------------------------------------------
#/////////////////////////////////////////////////////////////////////////////////////
# Globals
#/////////////////////////////////////////////////////////////////////////////////////
readonly FP_SAVEFILE='/boot/dietpi/.dietpi-banner'
readonly FP_CUSTOM='/boot/dietpi/.dietpi-banner_custom'
aDESCRIPTION=(
'Device model'
'Uptime'
'CPU temp'
'FQDN/hostname'
'NIS domainname'
'LAN IP'
'WAN IP'
'Freespace (RootFS)'
'Freespace (userdata)'
'Weather (wttr.in)'
'Custom banner entry'
'Display DietPi useful commands?'
'MOTD'
'VPN status'
'Large hostname'
'Print credits'
'Certificate Valid to'
)
# Set defaults: Disable CPU temp by default in VMs
if (( $G_HW_MODEL == 20 ))
then
aENABLED=(1 1 0 0 0 1 0 1 0 0 0 1 1 0 0 1 1)
else
aENABLED=(1 1 1 0 0 1 0 0 0 0 0 1 1 0 0 1 1)
fi
COLOUR_RESET='\e[0m'
aCOLOUR=(
'\e[38;5;154m' # DietPi green | Lines, bullets and separators
'\e[1m' # Bold white | Main descriptions
'\e[90m' # Grey | Credits
'\e[91m' # Red | Update notifications
)
# Load settings here, to have chosen ${aCOLOUR[0]} applied to below strings
# shellcheck disable=SC1090
[[ -f $FP_SAVEFILE ]] && . "$FP_SAVEFILE"
GREEN_LINE=" ${aCOLOUR[0]}─────────────────────────────────────────────────────$COLOUR_RESET"
GREEN_BULLET=" ${aCOLOUR[0]}-$COLOUR_RESET"
GREEN_SEPARATOR="${aCOLOUR[0]}:$COLOUR_RESET"
DIETPI_VERSION="$G_DIETPI_VERSION_CORE.$G_DIETPI_VERSION_SUB.$G_DIETPI_VERSION_RC"
[[ $G_GITBRANCH == 'master' ]] || DIETPI_VERSION+=" ($G_GITBRANCH)"
# DietPi update available?
AVAILABLE_UPDATE= # value = version string
Check_DietPi_Update(){
[[ -f '/run/dietpi/.update_available' ]] || return 1
AVAILABLE_UPDATE=$(</run/dietpi/.update_available)
return 0
}
# New DietPi live patches available?
LIVE_PATCHES=0
Check_DietPi_Live_Patches(){
[[ -f '/run/dietpi/.live_patches' ]] || return 1
LIVE_PATCHES=1
return 0
}
# APT updates available?
PACKAGE_COUNT=0
Check_APT_Updates(){
[[ -f '/run/dietpi/.apt_updates' ]] || return 1
PACKAGE_COUNT=$(</run/dietpi/.apt_updates)
return 0
}
# Reboot required to finalise kernel upgrade?
REBOOT_REQUIRED=0
Check_Reboot()
{
G_CHECK_KERNEL && return 1
REBOOT_REQUIRED=1
return 0
}
Save(){
# Custom entry description
echo "aDESCRIPTION[10]='${aDESCRIPTION[10]}'"
for i in "${!aDESCRIPTION[@]}"
do
echo "aENABLED[$i]=${aENABLED[$i]}"
done
for i in "${!aCOLOUR[@]}"
do
echo "aCOLOUR[$i]='${aCOLOUR[$i]}'"
done
}
Print_Header(){
# DietPi update available?
if Check_DietPi_Update
then
local text_update_available_date="${aCOLOUR[3]}Update available"
# New DietPi live patches available?
elif Check_DietPi_Live_Patches
then
local text_update_available_date="${aCOLOUR[3]}New live patches available"
# APT update available?
elif Check_APT_Updates
then
local text_update_available_date="${aCOLOUR[3]}$PACKAGE_COUNT APT updates available"
# Reboot required to finalise kernel upgrade?
elif Check_Reboot
then
local text_update_available_date="${aCOLOUR[3]}Reboot required"
else
local locale=$(sed -n '/^[[:blank:]]*AUTO_SETUP_LOCALE=/{s/^[^=]*=//p;q}' /boot/dietpi.txt)
local text_update_available_date=$(LC_ALL=${locale:-C.UTF-8} date '+%R - %a %x')
fi
echo -e "$GREEN_LINE
${aCOLOUR[1]}DietPi v$DIETPI_VERSION$COLOUR_RESET $GREEN_SEPARATOR $text_update_available_date$COLOUR_RESET
$GREEN_LINE"
}
Print_Local_Ip(){
local iface=$(G_GET_NET -q iface)
[[ $iface ]] || iface='NONE'
local ip=$(G_GET_NET -q ip)
[[ $ip ]] || ip='Use dietpi-config to setup a connection'
[[ ${aENABLED[5]} == 1 ]] && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[5]} $GREEN_SEPARATOR $ip ($iface)"
}
Print_Credits(){
echo -e " ${aCOLOUR[2]}DietPi Team : https://github.com/MichaIng/DietPi#the-dietpi-project-team"
[[ -f '/boot/dietpi/.prep_info' ]] && mawk 'NR==1 {sub(/^0$/,"DietPi Core Team");a=$0} NR==2 {print " Image by : "a" (pre-image: "$0")"}' /boot/dietpi/.prep_info
echo -e " Patreon Legends : Camry2731, Chris Gelatt
Website : https://dietpi.com/ | https://twitter.com/DietPi_
Contribute : https://dietpi.com/contribute.html
Web Hosting by : https://myvirtualserver.com$COLOUR_RESET\n"
}
Print_Updates(){
# DietPi update available?
if [[ $AVAILABLE_UPDATE ]]
then
echo -e " ${aCOLOUR[1]}dietpi-update$COLOUR_RESET $GREEN_SEPARATOR ${aCOLOUR[3]}Run now to update DietPi from v$DIETPI_VERSION to v$AVAILABLE_UPDATE$COLOUR_RESET\n"
# New DietPi live patches available?
elif (( $LIVE_PATCHES ))
then
echo -e " ${aCOLOUR[1]}dietpi-update$COLOUR_RESET $GREEN_SEPARATOR ${aCOLOUR[3]}Run now to check out new available DietPi live patches$COLOUR_RESET\n"
# APT updates available?
elif (( $PACKAGE_COUNT ))
then
echo -e " ${aCOLOUR[1]}apt upgrade$COLOUR_RESET $GREEN_SEPARATOR ${aCOLOUR[3]}Run now to apply $PACKAGE_COUNT available APT package upgrades$COLOUR_RESET\n"
# Reboot required to finalise kernel upgrade?
elif (( $REBOOT_REQUIRED ))
then
echo -e " ${aCOLOUR[1]}reboot$COLOUR_RESET $GREEN_SEPARATOR ${aCOLOUR[3]}A reboot is required to finalise a recent kernel upgrade$COLOUR_RESET\n"
fi
}
Print_Useful_Commands(){
echo -e " ${aCOLOUR[1]}dietpi-launcher$COLOUR_RESET $GREEN_SEPARATOR All the DietPi programs in one place
${aCOLOUR[1]}dietpi-config$COLOUR_RESET $GREEN_SEPARATOR Feature rich configuration tool for your device
${aCOLOUR[1]}dietpi-software$COLOUR_RESET $GREEN_SEPARATOR Select optimised software for installation
${aCOLOUR[1]}htop$COLOUR_RESET $GREEN_SEPARATOR Resource monitor
${aCOLOUR[1]}cpu$COLOUR_RESET $GREEN_SEPARATOR Shows CPU information and stats\n"
}
Print_Banner(){
G_TERM_CLEAR
Print_Header
# Large Format Hostname
# shellcheck disable=SC1091
(( ${aENABLED[14]} == 1 )) && . /boot/dietpi/func/dietpi-print_large "$(</etc/hostname)" && echo
# Device model
(( ${aENABLED[0]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[0]} $GREEN_SEPARATOR $G_HW_MODEL_NAME"
# Uptime
(( ${aENABLED[1]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[1]} $GREEN_SEPARATOR $(uptime -p 2>&1)"
# CPU temp
(( ${aENABLED[2]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[2]} $GREEN_SEPARATOR $(print_full_info=1 G_OBTAIN_CPU_TEMP 2>&1)"
# Hostname
(( ${aENABLED[3]} == 1 && ${aENABLED[14]} != 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[3]} $GREEN_SEPARATOR $(</etc/hostname)"
# NIS/YP domainname
(( ${aENABLED[4]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[4]} $GREEN_SEPARATOR $(hostname -y 2>&1)"
# LAN IP [5]
Print_Local_Ip
# WAN IP + location info
(( ${aENABLED[6]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[6]} $GREEN_SEPARATOR $(G_GET_WAN_IP 2>&1)"
# DietPi-VPN connection status
(( ${aENABLED[13]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[13]} $GREEN_SEPARATOR $(/boot/dietpi/dietpi-vpn status 2>&1)"
# Freespace (RootFS)
(( ${aENABLED[7]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[7]} $GREEN_SEPARATOR $(df -h --output=avail / | mawk 'NR==2 {print $1}' 2>&1)"
# Freespace (DietPi userdata)
(( ${aENABLED[8]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[8]} $GREEN_SEPARATOR $(df -h --output=avail /mnt/dietpi_userdata | mawk 'NR==2 {print $1}' 2>&1)"
# Weather
(( ${aENABLED[9]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[9]} $GREEN_SEPARATOR $(curl -sSfLm 3 'https://wttr.in/?format=4' 2>&1)"
# Certificate
(( ${aENABLED[16]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[16]} $GREEN_SEPARATOR $(openssl x509 --enddate --noout --in /etc/letsencrypt/live/domain.net/cert.pem | awk '/notAfter=/{print substr($2,1) "-" substr($1,10) "-" substr($4,1) " @ " substr($3,1)}' 2>&1)"
# Custom
(( ${aENABLED[10]} == 1 )) && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[10]} $GREEN_SEPARATOR $(bash "$FP_CUSTOM" 2>&1)"
# MOTD
if (( ${aENABLED[12]} == 1 ))
then
local motd fp_motd='/run/dietpi/.dietpi_motd'
[[ -f $fp_motd ]] || curl -sSfLm 3 'https://dietpi.com/motd' -o "$fp_motd"
# shellcheck disable=SC1090
[[ -f $fp_motd ]] && . "$fp_motd" &> /dev/null && [[ $motd ]] && echo -e "$GREEN_BULLET ${aCOLOUR[1]}${aDESCRIPTION[12]} $GREEN_SEPARATOR $motd"
fi
echo -e "$GREEN_LINE\n"
(( ${aENABLED[15]} == 1 )) && Print_Credits
Print_Updates
(( ${aENABLED[11]} == 1 )) && Print_Useful_Commands
}
Menu_Main(){
G_WHIP_CHECKLIST_ARRAY=()
for i in "${!aDESCRIPTION[@]}"
do
local state='off'
(( ${aENABLED[$i]:=0} == 1 )) && state='on'
G_WHIP_CHECKLIST_ARRAY+=("$i" "${aDESCRIPTION[$i]}" "$state")
done
G_WHIP_CHECKLIST "Please (de)select options via spacebar to be shown in the $G_PROGRAM_NAME:" || return 0
for i in "${!aDESCRIPTION[@]}"
do
aENABLED[$i]=0
done
for i in $G_WHIP_RETURNED_VALUE
do
aENABLED[$i]=1
# Custom entry
(( $i == 10 )) || continue
[[ -f $FP_CUSTOM ]] && G_WHIP_DEFAULT_ITEM=$(<"$FP_CUSTOM") || G_WHIP_DEFAULT_ITEM="echo 'Hello World!'"
G_WHIP_INPUTBOX 'You have chosen to show a custom entry in the banner.
Please enter the desired command here.\n
NB: It is executed as bash script, so it needs to be in bash compatible syntax.
For multi-line or non-bash scripts, keep it separate and only add the script call here.' || continue
echo "$G_WHIP_RETURNED_VALUE" > "$FP_CUSTOM"
G_WHIP_DEFAULT_ITEM=${aDESCRIPTION[10]}
G_WHIP_INPUTBOX 'Please enter a meaningful name to be shown in front of your custom command output:' && aDESCRIPTION[10]=$G_WHIP_RETURNED_VALUE
done
[[ -f $FP_CUSTOM ]] || aENABLED[10]=0
Save > "$FP_SAVEFILE"
}
#/////////////////////////////////////////////////////////////////////////////////////
# Main Loop
#/////////////////////////////////////////////////////////////////////////////////////
if (( $INPUT == 0 ))
then
Print_Header
Print_Local_Ip
elif (( $INPUT == 1 ))
then
Print_Banner
elif (( $INPUT == 2 ))
then
Menu_Main
Print_Banner
fi
#-----------------------------------------------------------------------------------
exit 0
#-----------------------------------------------------------------------------------
}
. Let us know if there are questions/issues with the process. It’s however nice when contributions are done that way, so that GitHub and the Git history contain correct attribution for the contributor instead of showing e.g. me just linking to this forum topic in the commit text or so