153 lines
4.1 KiB
Bash
Executable File
153 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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### Time and date ###
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echo -e "$(date)"
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echo -e
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### Hostname ###
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echo -e "$(/usr/bin/env figlet -w $(tput cols) "$(hostname)" | /usr/bin/env lolcat -f -F 0.05 -S $(echo $((0x$(hostname | md5sum | cut -c 1-10))) | cut -c 2-5))"
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echo -e
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### System info ###
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echo -e "$(cat /etc/*release | grep PRETTY_NAME | cut -d = -f 2- | sed 's/\"//g') | Kernel: $(uname -r)
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Uptime: $(uptime -p | sed 's/up //')"
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### Services ###
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# set column width
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COLUMNS=1
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# colors
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green="\e[1;32m"
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red="\e[1;31m"
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undim="\e[0m"
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services=($(cat /.motd.services))
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# sort services
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#IFS=$'\n' services=($(sort <<<"${services[*]}"))
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#unset IFS
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service_status=()
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# get status of all services
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for service in "${services[@]}"; do
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service_status+=($(systemctl is-active "$service"))
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done
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out=""
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for i in "${!services[@]}"; do
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# color green if service is active, else red
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if [[ "${service_status[$i]}" == "active" ]]; then
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out+="${services[$i]}:,${green}${service_status[$i]}${undim},"
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else
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out+="${services[$i]}:,${red}${service_status[$i]}${undim},"
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fi
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# insert \n every $COLUMNS column
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if [ $((($i+1) % $COLUMNS)) -eq 0 ]; then
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out+="\n"
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fi
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done
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out+="\n"
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printf "\nServices:\n"
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printf "$out" | column -ts $',' | sed -e 's/^/ /'
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### Docker ###
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containers=($(docker ps --format "{{.Image}}/{{.Names}}"))
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container_statuses=($(docker ps --format "{{.State}}"))
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out=""
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for i in ${!containers[@]}; do
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if [[ "${container_statuses[$i]}" == "running" ]]; then
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out+="${containers[$i]}:,${green}${container_statuses[$i]}${undim},"
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else
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out+="${containers[$i]}:,${red}${container_statuses[$i]}${undim},"
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fi
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out+="\n"
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done
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printf "\nDocker:\n"
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printf "$out" | column -ts $',' | sed -e 's/^/ /'
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### Disk space ###
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# config
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max_usage=80
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bar_width=50
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# colors
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white="\e[39m"
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green="\e[1;32m"
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red="\e[1;31m"
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dim="\e[2m"
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undim="\e[0m"
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# disk usage: ignore zfs, squashfs & tmpfs
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DISKS=$(df -H -x squashfs -x tmpfs -x devtmpfs -x zfs --output=target,pcent,size,used | tail -n+2)
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if test $(command -v zfs); then
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DISKS+="\n"
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#DISKS+=$(zpool list -o name,capacity,size | tail -n+2)
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while read name available used usedsnap usedds usedchild compressratio; do
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ttlsize=$((($available+$used)))
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pcent=$(echo "($used/$ttlsize)*100" | bc -l | numfmt --format="%3.0f")
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gfxsize=$(numfmt --to=iec --format="%9f" $ttlsize)
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gfxused=$(numfmt --to=iec --format="%9f" $used)
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DISKS+="$name $pcent% $gfxsize $gfxused\n"
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done <<< $(zfs list -H -p -d 0 -o name,available,used,usedsnap,usedds,usedchild,compressratio)
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fi
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printf "\nDisk usage:\n"
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while read line; do
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if [ -z "$line" ]; then
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continue
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fi
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# get disk usage
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usage=$(echo "$line" | awk '{print $2}' | sed 's/%//')
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used_width=$((($usage*$bar_width)/100))
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# color is green if usage < max_usage, else red
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if [ "${usage}" -ge "${max_usage}" ]; then
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color=$red
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else
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color=$green
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fi
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# print green/red bar until used_width
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bar="[${color}"
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for ((i=0; i<$used_width; i++)); do
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bar+="="
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done
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# print dimmmed bar until end
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bar+="${white}${dim}"
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for ((i=$used_width; i<$bar_width; i++)); do
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bar+="="
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done
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bar+="${undim}]"
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# print usage line & bar
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echo "${line}" | awk '{ printf("%-36s%+4s/%+4s [%+3s]\n", $1, $4, $3, $2); }' | sed -e 's/^/ /'
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echo -e "${bar}" | sed -e 's/^/ /'
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done <<< $(echo -e "$DISKS")
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### Welcome message ###
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LAST_LOGIN=$(last -w --time-format iso | grep $(whoami) | head -2 | tail -1)
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echo -e
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echo -e "Welcome to $(hostname), $(whoami)!
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Last login: $(echo "$LAST_LOGIN" | awk '{for(i=4;i<=NF;i++) print $i}' | paste -sd ' ') from $(echo "$LAST_LOGIN" | awk '{print $3}')"
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### ZFS available space warning ###
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if test $(command -v zfs); then
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POOLS=$(zfs list -o name,used,available -p | tail -n+2)
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while read line; do
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name=$(echo "$line" | awk '{print $1}')
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used=$(echo "$line" | awk '{print $2}')
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avail=$(echo "$line" | awk '{print $3}')
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percentage=$(echo "scale=2;$avail/($used+$avail)*100" | bc)
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if (( $(echo "$percentage < 20" | bc -l) )); then
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echo -e "${red}Warning! ${white}$name ${undim}only has ${percentage}% capacity left"
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fi
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done <<< $(echo -e "$POOLS")
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fi
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