#!/bin/bash
# shellcheck disable=SC2009 disable=SC2086
export "VERBOSE=true"
export "LINEREP=\033[F"
export "LINESPACE=                  "
export "COLOR_RED=\e[0;31m"
export "COLOR_GREEN=\e[0;32m"
export "COLOR_YELLOW=\e[0;33m"
export "COLOR_BLUE=\e[0;34m"
export "COLOR_PURPLE=\e[0;35m"
export "COLOR_CYAN=\e[0;36m"
export "COLOR_RESET=\e[0m"
function ntb(){
	case "$1" in
		"1") echo "true"                   ;;
		"2") echo "false"                  ;;
		*) echo "error in conversion ($1)" ;;
	esac
}
function isonline(){
	case "$1" in
		"0") echo "${COLOR_GREEN}online${COLOR_RESET} " ;;
		"1") echo "${COLOR_RED}offline${COLOR_RESET}"   ;;
		*) echo "error in conversion ($1)"              ;;
	esac
}

echo -e "${COLOR_CYAN}Server statistics report"
echo -e "${COLOR_PURPLE}:: Computing memory usage${LINESPACE}"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing memory usage: TOTAL${LINESPACE}"; fi
export "MEM_TOTAL=$(free -m|awk '/^Speicher:/{print $2}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing memory usage: USED${LINESPACE}"; fi
export "MEM_USED=$(free -m|awk '/^Speicher:/{print $3}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing memory usage: FREE${LINESPACE}"; fi
export "MEM_FREE=$(free -m|awk '/^Speicher:/{print $4}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing memory usage: AVAILABLE${LINESPACE}"; fi
export "MEM_AVAILABLE=$(free -m|awk '/^Speicher:/{print $7}')"
echo -e "${LINEREP}${COLOR_PURPLE}:: Computing swap usage${LINESPACE}"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing swap usage: TOTAL${LINESPACE}"; fi
export "SWAP_TOTAL=$(free -m|awk '/^Swap:/{print $2}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing swap usage: USED${LINESPACE}"; fi
export "SWAP_USED=$(free -m|awk '/^Swap:/{print $3}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing swap usage: FREE${LINESPACE}"; fi
export "SWAP_FREE=$(free -m|awk '/^Swap:/{print $4}')"
echo -e "${LINEREP}${COLOR_PURPLE}:: Computing processor usage${LINESPACE}"
export "CPU_USAGE=$(vmstat 1 2 | awk 'END { print 100 - $15 }')"
echo -e "${LINEREP}${COLOR_PURPLE}:: Computing disk usage${LINESPACE}"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing disk usage: PERCENT${LINESPACE}"; fi
export "DISK_PERCENT=$(df -h|grep '/dev/mapper/cryptlvm'|head -1|awk '{printf $5}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing disk usage: FREE${LINESPACE}"; fi
export "DISK_FREE=$(df -h|grep '/dev/mapper/cryptlvm'|head -1|awk '{printf $4}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing disk usage: USED${LINESPACE}"; fi
export "DISK_USED=$(df -h|grep '/dev/mapper/cryptlvm'|head -1|awk '{printf $3}')"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing disk usage: TOTAL${LINESPACE}"; fi
export "DISK_TOTAL=$(df -h|grep '/dev/mapper/cryptlvm'|head -1|awk '{printf $2}')"
echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services${LINESPACE}"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Mastodon (Puma)${LINESPACE}"; fi
export "SERVICES_MASTODON_PUMA=$(ps -eo args|grep puma|grep "\\[live\\]"&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Mastodon (Streaming)${LINESPACE}"; fi
export "SERVICES_MASTODON_STREAMING=$(ps -eo args|grep node|grep streaming&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Mastodon (Sidekiq)${LINESPACE}"; fi
export "SERVICES_MASTODON_SIDEKIQ=$(ps -eo args|grep sidekiq|grep ' live '&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: httpd${LINESPACE}"; fi
export "SERVICES_HTTPD=$(ps -eo args|grep httpd|grep ' -k '&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Docker${LINESPACE}"; fi
export "SERVICES_DOCKER=$(ps -eo args|grep dockerd|grep '\--containerd'&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: MariaDB${LINESPACE}"; fi
export "SERVICES_MARIADB=$(ps -eo args|grep '/usr/bin'|grep mariadbd&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: PHP 8.2 FPM${LINESPACE}"; fi
export "SERVICES_PHP82=$(ps -eo args|grep php-fpm|grep php82&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: PHP 8.1 FPM${LINESPACE}"; fi
export "SERVICES_PHP81=$(ps -eo args|grep php-fpm|grep php81&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: PHP 7.4 FPM${LINESPACE}"; fi
export "SERVICES_PHP74=$(ps -eo args|grep php-fpm|grep php74&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: fail2ban${LINESPACE}"; fi
export "SERVICES_FAIL2BAN=$(ps -eo args|grep fail2ban-server|grep python3&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Forgejo${LINESPACE}"; fi
export "SERVICES_FORGEJO=$(ps -eo args|grep forgejo|grep 'web -c'&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Traccar${LINESPACE}"; fi
export "SERVICES_TRACCAR=$(ps -eo args|grep traccar|grep java&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: SOSSchedule${LINESPACE}"; fi
export "SERVICES_SOSSCHEDULE=$(ps -eo args|grep sosschedule|grep bash&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Pterodactyl Daemon (Wings)${LINESPACE}"; fi
export "SERVICES_WINGS=$(ps -eo args|grep wings|grep '/usr/local/bin'&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: pteroq${LINESPACE}"; fi
export "SERVICES_PTEROQ=$(ps -eo args|grep 'artisan queue:work'|grep php&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Uptime Kuma{LINESPACE}"; fi
export "SERVICES_UPTIMEKUMA=$(ps -eo args|grep 'node'|grep '/opt/uptimekuma/server/server.js'&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Adminer${LINESPACE}"; fi
export "SERVICES_ADMINER=$(docker ps|grep adminer&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: PostgreSQL${LINESPACE}"; fi
export "SERVICES_POSTGRES=$(docker ps|grep postgres&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Mail server${LINESPACE}"; fi
export "SERVICES_MAILSERVER=$(docker ps|grep mailserver&>/dev/null;echo $?)"
if [ "$VERBOSE" ]; then echo -e "${LINEREP}${COLOR_PURPLE}:: Computing running services: Cronie${LINESPACE}"; fi
export "SERVICES_CRONIE=$(ps -eo args|grep cronie&>/dev/null;echo $?)"
echo -e "${LINEREP}${COLOR_PURPLE}:: Processing data${LINESPACE}"
export "SERVICES_MASTODON_PUMA=$(isonline $SERVICES_MASTODON_PUMA)"
export "SERVICES_MASTODON_STREAMING=$(isonline $SERVICES_MASTODON_STREAMING)"
export "SERVICES_MASTODON_SIDEKIQ=$(isonline $SERVICES_MASTODON_SIDEKIQ)"
export "SERVICES_HTTPD=$(isonline $SERVICES_HTTPD)"
export "SERVICES_DOCKER=$(isonline $SERVICES_DOCKER)"
export "SERVICES_MARIADB=$(isonline $SERVICES_MARIADB)"
export "SERVICES_PHP82=$(isonline $SERVICES_PHP82)"
export "SERVICES_PHP81=$(isonline $SERVICES_PHP81)"
export "SERVICES_PHP74=$(isonline $SERVICES_PHP74)"
export "SERVICES_FAIL2BAN=$(isonline $SERVICES_FAIL2BAN)"
export "SERVICES_FORGEJO=$(isonline $SERVICES_FORGEJO)"
export "SERVICES_TRACCAR=$(isonline $SERVICES_TRACCAR)"
export "SERVICES_SOSSCHEDULE=$(isonline $SERVICES_SOSSCHEDULE)"
export "SERVICES_WINGS=$(isonline $SERVICES_WINGS)"
export "SERVICES_PTEROQ=$(isonline $SERVICES_PTEROQ)"
export "SERVICES_UPTIMEKUMA=$(isonline $SERVICES_UPTIMEKUMA)"
export "SERVICES_ADMINER=$(isonline $SERVICES_ADMINER)"
export "SERVICES_POSTGRES=$(isonline $SERVICES_POSTGRES)"
export "SERVICES_MAILSERVER=$(isonline $SERVICES_MAILSERVER)"
export "SERVICES_CRONIE=$(isonline $SERVICES_CRONIE)"
export "GENERATED=$(date '+%T %d.%m.%Y')"
echo -e "${LINEREP}${COLOR_BLUE}Report generated: ${COLOR_YELLOW}$GENERATED"
echo -e "${COLOR_RESET}${COLOR_BLUE}Memory:${COLOR_RESET}   Total     ${COLOR_YELLOW}${MEM_TOTAL}MiB"
echo -e "${COLOR_RESET}          Used      ${COLOR_YELLOW}${MEM_USED}MiB"
echo -e "${COLOR_RESET}          Available ${COLOR_YELLOW}${MEM_AVAILABLE}MiB"
echo -e "${COLOR_RESET}          Free      ${COLOR_YELLOW}${MEM_FREE}MiB"
echo -e "${COLOR_RESET}${COLOR_BLUE}Swap:${COLOR_RESET}     Total     ${COLOR_YELLOW}${SWAP_TOTAL}MiB"
echo -e "${COLOR_RESET}          Used      ${COLOR_YELLOW}${SWAP_USED}MiB"
echo -e "${COLOR_RESET}          Free      ${COLOR_YELLOW}${SWAP_FREE}MiB"
echo -e "${COLOR_RESET}${COLOR_BLUE}CPU:${COLOR_RESET}      Usage     ${COLOR_YELLOW}${CPU_USAGE}%"
echo -e "${COLOR_RESET}${COLOR_BLUE}Disk:${COLOR_RESET}     any%      ${COLOR_YELLOW}$DISK_PERCENT"
echo -e "${COLOR_RESET}          Total     ${COLOR_YELLOW}${DISK_TOTAL}iB"
echo -e "${COLOR_RESET}          Used      ${COLOR_YELLOW}${DISK_USED}iB"
echo -e "${COLOR_RESET}          Free      ${COLOR_YELLOW}${DISK_FREE}iB"
echo -e "${COLOR_RESET}${COLOR_BLUE}Services:${COLOR_RESET} $SERVICES_DOCKER Docker"
echo -e "${COLOR_RESET}          $SERVICES_FAIL2BAN fail2ban"
echo -e "${COLOR_RESET}          $SERVICES_SOSSCHEDULE SOSSchedule"
echo -e "${COLOR_RESET}          $SERVICES_MARIADB MariaDB"
echo -e "${COLOR_RESET}          $SERVICES_POSTGRES PostgreSQL"
echo -e "${COLOR_RESET}          $SERVICES_PHP82 PHP 8.2 FPM"
echo -e "${COLOR_RESET}          $SERVICES_PHP81 PHP 8.1 FPM"
echo -e "${COLOR_RESET}          $SERVICES_PHP74 PHP 7.4 FPM"
echo -e "${COLOR_RESET}          $SERVICES_WINGS Pterodactyl Daemon (Wings)"
echo -e "${COLOR_RESET}          $SERVICES_PTEROQ pteroq"
echo -e "${COLOR_RESET}          $SERVICES_ADMINER Adminer"
echo -e "${COLOR_RESET}          $SERVICES_HTTPD httpd"
echo -e "${COLOR_RESET}          $SERVICES_MAILSERVER Mail server"
echo -e "${COLOR_RESET}          $SERVICES_UPTIMEKUMA Uptime Kuma"
echo -e "${COLOR_RESET}          $SERVICES_FORGEJO Forgejo"
echo -e "${COLOR_RESET}          $SERVICES_MASTODON_PUMA Mastodon (Puma)"
echo -e "${COLOR_RESET}          $SERVICES_MASTODON_STREAMING Mastodon (Streaming)"
echo -e "${COLOR_RESET}          $SERVICES_MASTODON_SIDEKIQ Mastodon (Sidekiq)"
echo -e "${COLOR_RESET}          $SERVICES_TRACCAR Traccar"
echo -e "${COLOR_RESET}          $SERVICES_CRONIE Cronie"
echo -e ""
echo -e "${COLOR_RESET}${COLOR_BLUE}Tip: Use \"Available\" instead of \"Free\" for available ram. Here's why: https://linuxatemyram.com"
echo -e "${COLOR_RESET}${COLOR_BLUE}Info: The CPU usage might be reported incorrectly (polling rate issue). Use htop for accurate CPU usage.${COLOR_RESET}"