#!/bin/sh # shellcheck disable=SC1090,SC1091 BAR_ELEMENT="-" BAR_HEALTHY_COLOR="32" BAR_WARNING_THRESHOLD=70 BAR_WARNING_COLOR="33" BAR_CRITICAL_THRESHOLD=90 BAR_CRITICAL_COLOR="31" BANNER_KERNEL_ICON="" BANNER_KERNEL_COLOR="33" BANNER_UPTIME_ICON="" BANNER_UPTIME_COLOR="94" BANNER_DEBIAN_ICON="" BANNER_DEBIAN_COLOR="95" BANNER_FEDORA_ICON="" BANNER_FEDORA_COLOR="34" BANNER_FONTPATH="" BANNER_TEXT="$(hostname -s)" PROCESSOR_LOADAVG_ICON="ﲯ" PROCESSOR_LOADAVG_HEALTHY_COLOR="32" PROCESSOR_LOADAVG_WARNING_THRESHOLD=2 PROCESSOR_LOADAVG_WARNING_COLOR="33" PROCESSOR_LOADAVG_CRITICAL_THRESHOLD=4 PROCESSOR_LOADAVG_CRITICAL_COLOR="31" PROCESSOR_MODEL_ICON="" MEMORY_ICON="" SWAP_ICON="" DISKSPACE_ICON="" SERVICES_UP_ICON="" SERVICES_UP_COLOR="32" SERVICES_DOWN_ICON="" SERVICES_DOWN_COLOR="31" SERVICES_FILE=".bashrc_motd_services.txt" # TODO - Fill this in if Podman is ever used PODMAN_VERSION_ICON="#" PODMAN_IMAGES_ICON="#" PODMAN_RUNNING_ICON="#" PODMAN_RUNNING_COLOR="32" PODMAN_OTHER_ICON="#" PODMAN_OTHER_COLOR="90" DOCKER_VERSION_ICON="" DOCKER_IMAGES_ICON="" DOCKER_RUNNING_ICON="" DOCKER_RUNNING_COLOR="32" DOCKER_OTHER_ICON="" DOCKER_OTHER_COLOR="90" UPDATES_ZERO_ICON="" UPDATES_ZERO_COLOR="32" UPDATES_AVAILIABLE_ICON="ﮮ" UPDATES_AVAILIABLE_COLOR="33" UPDATES_SECURITY_ICON="撚" UPDATES_SECURITY_COLOR="31" LETSENCRYPT_VALID_ICON="ﲘ" LETSENCRYPT_VALID_COLOR="32" LETSENCRYPT_WARNING_ICON="ﲙ" LETSENCRYPT_WARNING_COLOR="33" LETSENCRYPT_INVALID_ICON="" LETSENCRYPT_INVALID_COLOR="31" LETSENCRYPT_CERTPATH="/etc/letsencrypt/live" LOGIN_LOGIN_ICON="﫻" LOGIN_LOGOUT_ICON="﫼" LOGIN_IP_ICON="ﯱ" INCLUDE_FILE="ownscript.sh" generate_unit_byte() { # 1 - unit in M if [ "$1" -ge 1024 ]; then unit_symbol="G" unit_value=$(echo "$1/1024" | bc -l | LANG=C xargs printf "%.1f\n") else unit_symbol="M" unit_value=$1 fi echo "$unit_value$unit_symbol" } generate_space() { # 1 - already used # 2 - total space_fill=$(( $2 - ${#1} )) space_chars="" while [ $space_fill -ge 0 ]; do space_chars="$space_chars " space_fill=$(( space_fill - 1 )) done echo "$space_chars" } generate_bar() { # 1 - icon # 2 - total # 3 - used_1 # 4 - [ used_2 ] bar_percent=$(( $3 * 100 / $2 )) bar_separator=$(( $3 * 100 * 10 / $2 / 25 )) if [ $bar_percent -ge "$BAR_WARNING_THRESHOLD" ]; then bar_color=$BAR_WARNING_COLOR elif [ $bar_percent -ge "$BAR_CRITICAL_THRESHOLD" ]; then bar_color=$BAR_CRITICAL_COLOR else bar_color=$BAR_HEALTHY_COLOR fi printf " %s \\033[%dm" "$1" "$bar_color" if [ -z "$4" ] ; then bar_piece=0 while [ $bar_piece -le 40 ]; do if [ "$bar_piece" -ne "$bar_separator" ]; then printf "%s" "$BAR_ELEMENT" else printf "%s\\033[1;30m" "$BAR_ELEMENT" fi bar_piece=$(( bar_piece + 1 )) done else bar_cached_val=$(( $3 + $4 )) bar_cached_separator=$(( bar_cached_val * 100 * 10 / $2 / 25 )) bar_piece=0 while [ $bar_piece -le 40 ]; do if [ $bar_piece -eq $bar_separator ]; then printf "%s\\033[1;36m" "$BAR_ELEMENT" elif [ $bar_piece -eq $bar_cached_separator ]; then printf "%s\\033[1;30m" "$BAR_ELEMENT" else printf "%s" "$BAR_ELEMENT" fi bar_piece=$(( bar_piece + 1 )) done fi printf "\\033[0m\\n" } generate_bar_memory() { # 1 - icon # 2 - total memory in M # 3 - used memory in M # 4 - cached memory in M bar_memory_used=$(generate_unit_byte "$3") bar_memory_cached=$(generate_unit_byte "$4") bar_memory_available=$(generate_unit_byte $(( $2 - $3 )) ) printf " %s used / %s cached / %s available\\n" "$bar_memory_used" "$bar_memory_cached" "$bar_memory_available" generate_bar "$1" "$2" "$3" "$4" } generate_bar_swap() { # 1 - icon # 2 - total swap in M # 3 - used swap in M bar_swap_used=$(generate_unit_byte "$3") bar_swap_available=$(( $2 - $3 )) bar_swap_available=$(generate_unit_byte "$bar_swap_available") printf " %s used / %s available\\n" "$bar_swap_used" "$bar_swap_available" generate_bar "$1" "$2" "$3" } generate_bar_disk() { # 1 - icon # 2 - total size in M # 3 - used space in M # 4 - mount path bar_disk_mount="$4$(generate_space "$4" 10)" bar_disk_used=$(generate_unit_byte "$3") bar_disk_used="$(generate_space "$bar_disk_used" 5)$bar_disk_used used" bar_disk_available=$(( $2 - $3 )) bar_disk_available="$(generate_unit_byte "$bar_disk_available") available" printf " %s%s / %s\\n" "$bar_disk_mount" "$bar_disk_used" "$bar_disk_available" generate_bar "$1" "$2" "$3" } print_banner() { if [ -e lolcat ]; then /usr/bin/env figlet "$(hostname)" | /usr/bin/env lolcat -f else printf "\\n%s\\n" "$(figlet -t -f "$BANNER_FONTPATH" " $BANNER_TEXT")" fi if [ -f /etc/os-release ]; then . /etc/os-release if [ "$ID" = "debian" ]; then banner_distro_icon=$BANNER_DEBIAN_ICON banner_distro_color=$BANNER_DEBIAN_COLOR banner_distro_name="Debian" banner_distro_version=$(cat /etc/debian_version) elif [ "$ID" = "fedora" ]; then banner_distro_icon=$BANNER_FEDORA_ICON banner_distro_color=$BANNER_FEDORA_COLOR banner_distro_name="Fedora" banner_distro_version=$VERSION_ID else banner_distro_icon="?" banner_distro_color="0" banner_distro_name="Unknown" banner_distro_version="?" fi banner_distro_space=$(generate_space "$banner_distro_name" 13) printf " \\033[%sm%s %s\\033[0m%s%s\\n" "$banner_distro_color" "$banner_distro_icon" "$banner_distro_name" "$banner_distro_space" "$banner_distro_version" printf " \\033[%sm%s Linux\\033[0m %s\\n\\n" "$BANNER_KERNEL_COLOR" "$BANNER_KERNEL_ICON" "$(cut -d ' ' -f 3 < /proc/version)" printf " \\033[%sm%s Uptime\\033[0m %s\\n" "$BANNER_UPTIME_COLOR" "$BANNER_UPTIME_ICON" "$(uptime -p | cut -d ' ' -f 2-)" fi } print_processor() { printf "\\n" printf " \\033[1;37mProcessor:\\033[0m\\n" processor_loadavg="$(cut -d " " -f 1,2,3 < /proc/loadavg)" if [ "$(echo "$processor_loadavg" | cut -d "." -f 1)" -ge "$PROCESSOR_LOADAVG_CRITICAL_THRESHOLD" ]; then processor_loadavg_color=$PROCESSOR_LOADAVG_CRITICAL_COLOR elif [ "$(echo "$processor_loadavg" | cut -d "." -f 1)" -ge "$PROCESSOR_LOADAVG_WARNING_THRESHOLD" ]; then processor_loadavg_color=$PROCESSOR_LOADAVG_WARNING_COLOR else processor_loadavg_color=$PROCESSOR_LOADAVG_HEALTHY_COLOR fi processor_info=$(cat /proc/cpuinfo) processor_arch=$(uname -m) if [ "$processor_arch" = "x86_64" ]; then processor_model="$(echo "$processor_info" | grep "model name" | sort -u | cut -d ':' -f 2)" processor_count=$(echo "$processor_info" | grep "physical id" | sort -u | wc -l) processor_cores=$(echo "$processor_info" | grep "cpu cores" | sort -u | cut -d ':' -f 2) processor_threads=$(( $(echo "$processor_info" | grep "siblings" | tail -n 1 | cut -d ':' -f 2) )) if [ ! "$processor_cores" -eq $processor_threads ]; then processor_threads=", $processor_threads Threads" else processor_threads="" fi elif [ "$processor_arch" = "mips64" ]; then processor_model="$(echo "$processor_info" | grep "cpu model" | sort -u | cut -d ':' -f 2)" processor_count=$(echo "$processor_info" | grep "package" | sort -u | wc -l) processor_cores=$(echo "$processor_info" | grep -c processor) processor_threads="" else processor_model="?" processor_count=0 processor_cores=0 processor_threads=0 fi processor_model=$(echo "$processor_model" | sed "s/(R)//g") processor_model=$(echo "$processor_model" | sed "s/(tm)//g") processor_model=$(echo "$processor_model" | sed "s/ @/,/") processor_model=$(echo "$processor_model" | sed "s/ CPU//") processor_model=$(echo "$processor_model" | sed "s/ / /") processor_model=$(echo "$processor_model" | sed "s/^ //g") processor_cores=$(( processor_cores * processor_count )) if [ "$processor_count" -gt 1 ]; then processor_count="$processor_count""x " else processor_count="" fi printf " %s \\033[%dm%s\\033[0m\\n" "$PROCESSOR_LOADAVG_ICON" "$processor_loadavg_color" "$processor_loadavg" printf " %s %s%s = %s Cores%s\\n" "$PROCESSOR_MODEL_ICON" "$processor_count" "$processor_model" "$processor_cores" "$processor_threads" } print_memory() { printf "\\n" printf " \\033[1;37mMemory:\\033[0m\\n" memory_usage=$(LANG=C free --mega | grep "Mem:") memory_total=$(echo "$memory_usage" | awk '{ print $2 }') memory_used=$(echo "$memory_usage" | awk '{ print $3 }') memory_cached=$(echo "$memory_usage" | awk '{ print $6 }') generate_bar_memory "$MEMORY_ICON" "$memory_total" "$memory_used" "$memory_cached" } print_swap() { swap_usage=$(LANG=C free --mega | grep "Swap:") swap_total=$(echo "$swap_usage" | awk '{ print $2 }') swap_used=$(echo "$swap_usage" | awk '{ print $3 }') if [ "$swap_total" -ne 0 ]; then printf "\\n" printf " \\033[1;37mSwap:\\033[0m\\n" generate_bar_swap "$SWAP_ICON" "$swap_total" "$swap_used" fi } print_diskspace() { printf "\\n" printf " \\033[1;37mDiskspace:\\033[0m\\n" diskspace_devices=$(lsblk -Jlo NAME,MOUNTPOINT | jq -c '.blockdevices | sort_by(.mountpoint) | .[] | select( .mountpoint != null and .mountpoint != "[SWAP]" )') diskspace_partitions=$(df -B M | sed -e "s/M//g") diskspace_index=0 echo "$diskspace_devices" | while read -r line; do diskspace_disk_name="$(echo "$line" | jq -r '.name')" diskspace_disk_mount="$(echo "$line" | jq -r '.mountpoint')" diskspace_disk_size="$(echo "$diskspace_partitions" | grep "$diskspace_disk_name " | awk '{ print $2 }')" diskspace_disk_used="$(echo "$diskspace_partitions" | grep "$diskspace_disk_name " | awk '{ print $3 }')" if [ -z "$diskspace_disk_size" ]; then diskspace_disk_size="$(echo "$diskspace_partitions" | grep "$diskspace_disk_mount" | awk '{ print $2 }')" fi if [ -z "$diskspace_disk_used" ]; then diskspace_disk_used="$(echo "$diskspace_partitions" | grep "$diskspace_disk_mount" | awk '{ print $3 }')" fi if [ "$diskspace_index" -ne 0 ]; then printf "\\n" fi diskspace_index=$(( diskspace_index + 1 )) generate_bar_disk "$DISKSPACE_ICON" "$diskspace_disk_size" "$diskspace_disk_used" "$diskspace_disk_mount" done } print_services() { if [ -f $SERVICES_FILE ] && [ "$(wc -l < $SERVICES_FILE )" != 0 ]; then printf "\\n" printf " \\033[1;37mServices:\\033[0m \\033[1;37mVersion:\\033[0m\\n" while read -r line; do service_description=$(echo "$line" | cut -d ';' -f 1) service_name=$(echo "$line" | cut -d ';' -f 2) service_package=$(echo "$line" | cut -d ';' -f 3) if [ -n "$service_description" ] && [ -n "$service_name" ]; then if systemctl is-active --quiet "$service_name".service; then service_icon=$SERVICES_UP_ICON service_color=$SERVICES_UP_COLOR else service_icon=$SERVICES_DOWN_ICON service_color=$SERVICES_DOWN_COLOR fi service_space=$(generate_space "$service_description" 34) if [ -n "$service_package" ]; then if [ -f /usr/bin/apt ]; then package_version=$(dpkg -s "$service_package" | grep '^Version:' | cut -d ' ' -f 2 | cut -d ':' -f 2 | cut -d '-' -f 1) elif [ -f /usr/bin/rpm ]; then package_version=$(rpm -q --queryformat '%{VERSION}' "$service_package") else package_version="?" fi else package_version="--" fi fi printf " \\033[%sm%s\\033[0m %s%s%s\\n" "$service_color" "$service_icon" "$service_description" "$service_space" "$package_version" done < $SERVICES_FILE | grep -v '#' fi } print_podman() { printf "\\n" printf " \\033[1;37mPodman:\\033[0m\\n" podman_version=$(sudo podman version --format json | jq -r '.Client.Version') podman_space=$(generate_space "$podman_version" 23) podman_images=$(sudo podman images --format json | jq '. | length') printf " %s Version %s%s%s %s Images\\n\\n" "$PODMAN_VERSION_ICON" "$podman_version" "$podman_space" "$PODMAN_IMAGES_ICON" "$podman_images" podman_list=$(sudo podman pod ls --sort name --format json) podman_pods=$(echo "$podman_list" | jq -r '.[] .Name') echo "$podman_pods" | while read -r pod; do if [ "$(echo "$podman_list" | jq -r ".[] | select(.Name == \"$pod\") | .Status")" = "Running" ]; then pod_space=$(generate_space "$pod" 34) pod_container_running="$(echo "$podman_list" | jq -r ".[] | select(.Name == \"$pod\") | .Containers[] | select(.Status == \"running\") | .Status" | wc -l)" if [ "$pod_container_running" -ne 0 ]; then pod_container_running=$(printf "\\033[%um%u Running\\033[0m" "$PODMAN_RUNNING_COLOR" "$pod_container_running") fi pod_container_other="$(echo "$podman_list" | jq -r ".[] | select(.Name == \"$pod\") | .Containers[] | select(.Status != \"running\") | .Status" | wc -l)" if [ "$pod_container_other" -ne 0 ]; then pod_container_other=$(printf ", \\033[%um%u Other\\033[0m" "$PODMAN_OTHER_COLOR" "$pod_container_other") else pod_container_other="" fi pod_status="$pod_container_running$pod_container_other" printf " \\033[%um%s\\033[0m %s%s%s\\n" "$PODMAN_RUNNING_COLOR" "$PODMAN_RUNNING_ICON" "$pod" "$pod_space" "$pod_status" else printf " \\033[%um%s\\033[0m \\033[%um%s\\033[0m\\n" "$PODMAN_OTHER_COLOR" "$PODMAN_OTHER_ICON" "$PODMAN_OTHER_COLOR" "$pod" fi done } print_docker() { if [ "$(systemctl is-active docker.service)" = "active" ]; then printf "\\n" printf " \\033[1;37mDocker:\\033[0m\\n" docker_info=$(sudo curl -sf --unix-socket /var/run/docker.sock http:/v1.40/info) docker_version=$(echo "$docker_info" | jq -r '.ServerVersion') docker_space=$(generate_space "$docker_version" 23) docker_images=$(echo "$docker_info" | jq -r '.Images') printf " %s Version %s%s%s %s Images\\n\\n" "$DOCKER_VERSION_ICON" "$docker_version" "$docker_space" "$DOCKER_IMAGES_ICON" "$docker_images" docker_list=$(sudo curl -sf --unix-socket /var/run/docker.sock "http://v1.40/containers/json?all=true" | jq -c ' .[]') echo "$docker_list" | while read -r line; do container_name="$(echo "$line" | jq -r '.Names[]' | sed 's/\///')" container_status="$(echo "$line" | jq -r '.Status' | sed 's/.*/\l&/')" container_space=$(generate_space "$container_name" 34) if [ "$(echo "$line" | jq -r '.State')" = "running" ]; then printf " \\033[%um%s\\033[0m %s%s%s\\n" "$DOCKER_RUNNING_COLOR" "$DOCKER_RUNNING_ICON" "$container_name" "$container_space" "$container_status" else printf " \\033[%um%s\\033[0m \\033[%um%s\\033[0m%s\\033[%um%s\\033[0m\\n" "$DOCKER_OTHER_COLOR" "$DOCKER_OTHER_ICON" "$DOCKER_OTHER_COLOR" "$container_name" "$container_space" "$DOCKER_OTHER_COLOR" "$container_status" fi done fi } print_updates() { if [ -f /usr/bin/apt ]; then printf "\\n" printf " \\033[1;37mUpdates:\\033[0m\\n" updates_count_regular=$(apt-get -qq -y --ignore-hold --allow-change-held-packages --allow-unauthenticated -s dist-upgrade | grep ^Inst | grep -c -v Security) updates_count_security=$(apt-get -qq -y --ignore-hold --allow-change-held-packages --allow-unauthenticated -s dist-upgrade | grep ^Inst | grep -c Security) if [ "$updates_count_regular" -ne 0 ]; then if [ -n "$updates_count_security" ] && [ "$updates_count_security" -ne 0 ]; then updates_icon=$UPDATES_SECURITY_ICON updates_color=$UPDATES_SECURITY_COLOR updates_message="$updates_count_regular packages can be updated, $updates_count_security are security updates." else updates_icon=$UPDATES_AVAILIABLE_ICON updates_color=$UPDATES_AVAILIABLE_COLOR updates_message="$updates_count_regular packages can be updated." fi else updates_icon=$UPDATES_ZERO_ICON updates_color=$UPDATES_ZERO_COLOR updates_message="Everything is up to date!" fi printf " \\033[%sm%s\\033[0m %s\\n" "$updates_color" "$updates_icon" "$updates_message" elif [ -f /usr/bin/dnf ]; then printf "\\n" printf " \\033[1;37mUpdates:\\033[0m\\n" updates_count=$(dnf updateinfo -C -q --list) updates_count_regular=$(echo "$updates_count" | wc -l) updates_count_security=$(echo "$updates_count" | grep -c "Important/Sec") if [ -n "$updates_count_regular" ] && [ "$updates_count_regular" -ne 0 ]; then if [ -n "$updates_count_security" ] && [ "$updates_count_security" -ne 0 ]; then updates_icon=$UPDATES_SECURITY_ICON updates_color=$UPDATES_SECURITY_COLOR updates_message="$updates_count_regular packages can be updated, $updates_count_security are security updates." else updates_icon=$UPDATES_AVAILIABLE_ICON updates_color=$UPDATES_AVAILIABLE_COLOR updates_message="$updates_count_regular packages can be updated." fi else updates_icon=$UPDATES_ZERO_ICON updates_color=$UPDATES_ZERO_COLOR updates_message="Everything is up to date!" fi printf " \\033[%sm%s\\033[0m %s\\n" "$updates_color" "$updates_icon" "$updates_message" fi } print_letsencrypt() { if [ -d $LETSENCRYPT_CERTPATH ] && [ "$(ls -a $LETSENCRYPT_CERTPATH)" ]; then printf "\\n" printf " \\033[1;37mSSL / let’s encrypt:\\033[0m\\n" cert_list=$(sudo find $LETSENCRYPT_CERTPATH -name cert.pem) for cert_file in $cert_list; do sudo openssl x509 -checkend $((25 * 86400)) -noout -in "$cert_file" >> /dev/null result=$? cert_name=$(echo "$cert_file" | rev | cut -d '/' -f 2 | rev) if [ "$result" -eq 0 ]; then printf " \\033[%sm%s\\033[0m %s\\n" "$LETSENCRYPT_VALID_COLOR" "$LETSENCRYPT_VALID_ICON" "$cert_name" else sudo openssl x509 -checkend $((0 * 86400)) -noout -in "$cert_file" >> /dev/null result=$? if [ "$result" -eq 0 ]; then printf " \\033[%sm%s\\033[0m %s\\n" "$LETSENCRYPT_WARNING_COLOR" "$LETSENCRYPT_WARNING_ICON" "$cert_name" else printf " \\033[%sm%s\\033[0m %s\\n" "$LETSENCRYPT_INVALID_COLOR" "$LETSENCRYPT_INVALID_ICON" "$cert_name" fi fi done fi } print_login() { login_last=$(last -n 2 -a -d --time-format iso "$(whoami)" | head -n 2 | tail -n 1) if [ "$( echo "$login_last" | awk '{ print $1 }')" = "$(whoami)" ]; then login_ip=$(echo "$login_last" | awk '{ print $7 }') login_login=$(date -d "$(echo "$login_last" | awk '{ print $3 }' | cut -d '+' -f 1 | sed "s/T/ /")" "+%a, %d.%m.%y %H:%M") login_space=$(generate_space "$login_login" 25) if [ "$(echo "$login_last" | awk '{ print $4 }')" = "still" ]; then login_logout="still connected" else login_logout=$(date -d "$(echo "$login_last" | awk '{ print $5 }' | cut -d '+' -f 1 | sed "s/T/ /")" "+%a, %d.%m.%y %H:%M") fi printf "\\n" printf " \\033[1;37mLast login for %s:\\033[0m\\n" "$(echo "$login_last" | awk '{ print $1 }')" printf " %s %s%s%s %s\\n" "$LOGIN_LOGIN_ICON" "$login_login" "$login_space" "$LOGIN_LOGOUT_ICON" "$login_logout" printf " %s %s\\n" "$LOGIN_IP_ICON" "$login_ip" fi } print_include() { . $INCLUDE_FILE } bash_motd() { for module in "$@"; do if [ "$module" = "--banner" ]; then print_banner elif [ "$module" = "--processor" ]; then print_processor elif [ "$module" = "--memory" ]; then print_memory elif [ "$module" = "--swap" ]; then print_swap elif [ "$module" = "--diskspace" ]; then print_diskspace elif [ "$module" = "--services" ]; then print_services elif [ "$module" = "--podman" ]; then print_podman elif [ "$module" = "--docker" ]; then print_docker elif [ "$module" = "--updates" ]; then print_updates elif [ "$module" = "--letsencrypt" ]; then print_letsencrypt elif [ "$module" = "--login" ]; then print_login elif [ "$module" = "--include" ]; then print_include fi done printf "\\n" }