Redesign console dashboard with btop-like TUI
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@@ -1,10 +1,80 @@
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#!/usr/bin/env bash
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set -euo pipefail
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refresh_interval="${VIRTUALITY_DASHBOARD_INTERVAL:-5}"
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# Virtuality Console Dashboard
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# btop-like compact TUI for physical server console tty1
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has_cmd() {
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command -v "$1" >/dev/null 2>&1
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refresh_interval="${VIRTUALITY_DASHBOARD_INTERVAL:-2}"
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has_cmd() { command -v "$1" >/dev/null 2>&1; }
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ESC="\033"
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RESET="${ESC}[0m"
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BOLD="${ESC}[1m"
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DIM="${ESC}[2m"
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FG_CYAN="${ESC}[38;5;51m"
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FG_BLUE="${ESC}[38;5;39m"
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FG_GREEN="${ESC}[38;5;46m"
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FG_YELLOW="${ESC}[38;5;226m"
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FG_RED="${ESC}[38;5;196m"
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FG_MAGENTA="${ESC}[38;5;201m"
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FG_GRAY="${ESC}[38;5;245m"
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FG_WHITE="${ESC}[38;5;255m"
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BG_PANEL="${ESC}[48;5;235m"
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BG_HEADER="${ESC}[48;5;24m"
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move() { printf "${ESC}[%s;%sH" "$1" "$2"; }
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clear_screen() { printf "${ESC}[2J${ESC}[H"; }
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hide_cursor() { printf "${ESC}[?25l"; }
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show_cursor() { printf "${ESC}[?25h${RESET}"; }
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trap show_cursor EXIT
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term_cols() { tput cols 2>/dev/null || echo 120; }
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term_rows() { tput lines 2>/dev/null || echo 40; }
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repeat_char() {
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local char="$1" count="$2"
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printf '%*s' "$count" '' | tr ' ' "$char"
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}
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strip_ansi() {
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sed -E 's/\x1B\[[0-9;]*[A-Za-z]//g'
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}
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print_fit() {
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local text="$1" width="$2"
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printf "%-${width}.${width}s" "$text"
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}
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box() {
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local row="$1" col="$2" height="$3" width="$4" title="$5"
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local inner=$((width - 2))
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move "$row" "$col"; printf "${FG_BLUE}╭%s╮${RESET}" "$(repeat_char '─' "$inner")"
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move "$row" $((col + 2)); printf "${BG_PANEL}${FG_CYAN}${BOLD} %s ${RESET}" "$title"
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for ((i=1; i<height-1; i++)); do
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move $((row+i)) "$col"; printf "${FG_BLUE}│${RESET}"
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printf "${BG_PANEL}%s${RESET}" "$(repeat_char ' ' "$inner")"
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printf "${FG_BLUE}│${RESET}"
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done
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move $((row+height-1)) "$col"; printf "${FG_BLUE}╰%s╯${RESET}" "$(repeat_char '─' "$inner")"
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}
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put() {
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local row="$1" col="$2" width="$3" text="$4"
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move "$row" "$col"
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printf "${BG_PANEL}"
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printf "%b" "$text" | cut -c 1-"$width"
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printf "${RESET}"
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}
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bar() {
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local percent="$1" width="$2"
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local filled=$(( percent * width / 100 ))
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local empty=$(( width - filled ))
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local color="$FG_GREEN"
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if (( percent >= 85 )); then color="$FG_RED"; elif (( percent >= 65 )); then color="$FG_YELLOW"; fi
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printf "%b%s%b%s" "$color" "$(repeat_char '█' "$filled")" "$DIM" "$(repeat_char '░' "$empty")"
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printf "%b" "$RESET"
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}
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service_state() {
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@@ -16,78 +86,139 @@ service_state() {
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fi
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}
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state_badge() {
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local state="$1"
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case "$state" in
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active) printf "${FG_GREEN}● active${RESET}" ;;
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inactive) printf "${FG_YELLOW}● inactive${RESET}" ;;
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failed) printf "${FG_RED}● failed${RESET}" ;;
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missing) printf "${FG_GRAY}● missing${RESET}" ;;
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*) printf "${FG_YELLOW}● %s${RESET}" "$state" ;;
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esac
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}
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get_cpu_usage() {
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local a b idle_a total_a idle_b total_b diff_idle diff_total usage
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read -r _ a b c idle_a rest < /proc/stat
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total_a=$((a+b+c+idle_a))
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sleep 0.15
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read -r _ a b c idle_b rest < /proc/stat
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total_b=$((a+b+c+idle_b))
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diff_idle=$((idle_b-idle_a))
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diff_total=$((total_b-total_a))
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if (( diff_total <= 0 )); then echo 0; else echo $(( (100 * (diff_total - diff_idle)) / diff_total )); fi
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}
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get_mem_percent() {
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free | awk '/Mem:/ {printf "%d", ($3/$2)*100}'
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}
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get_disk_percent() {
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df / | awk 'NR==2 {gsub("%", "", $5); print $5}'
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}
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while true; do
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clear
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echo "============================================================"
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echo " VIRTUALITY NODE DASHBOARD"
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echo "============================================================"
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echo "Date: $(date '+%Y-%m-%d %H:%M:%S')"
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echo "Hostname: $(hostname)"
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echo "Uptime: $(uptime -p 2>/dev/null || true)"
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echo "Kernel: $(uname -r)"
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if [[ -f /etc/os-release ]]; then
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. /etc/os-release
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echo "OS: ${PRETTY_NAME}"
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fi
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echo
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cols="$(term_cols)"
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rows="$(term_rows)"
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[[ "$cols" -lt 100 ]] && cols=100
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[[ "$rows" -lt 32 ]] && rows=32
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echo "[SYSTEM]"
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echo "Load: $(awk '{print $1, $2, $3}' /proc/loadavg)"
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echo "CPU virt: $(grep -E -q '(vmx|svm)' /proc/cpuinfo && echo OK || echo WARNING)"
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free -h | awk '/Mem:/ {print "Memory: used " $3 " / total " $2}'
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df -h / | awk 'NR==2 {print "Root FS: used " $3 " / total " $2 " (" $5 ")"}'
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echo
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cpu="$(get_cpu_usage)"
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mem="$(get_mem_percent)"
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disk="$(get_disk_percent)"
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load="$(awk '{print $1" "$2" "$3}' /proc/loadavg)"
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uptime_text="$(uptime -p 2>/dev/null | sed 's/up //' || true)"
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host="$(hostname)"
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now="$(date '+%Y-%m-%d %H:%M:%S')"
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ip_main="$(hostname -I 2>/dev/null | awk '{print $1}')"
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gateway="$(ip route | awk '/default/ {print $3" via "$5; exit}')"
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echo "[NETWORK]"
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ip -br a 2>/dev/null | sed 's/^/ /' || true
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echo "Gateway: $(ip route | awk '/default/ {print $3 " via " $5; exit}')"
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echo
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clear_screen
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hide_cursor
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echo "[VIRTUALITY SERVICES]"
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printf " %-24s %s\n" "libvirtd.service" "$(service_state libvirtd.service)"
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printf " %-24s %s\n" "virtlogd.service" "$(service_state virtlogd.service)"
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printf " %-24s %s\n" "cockpit.socket" "$(service_state cockpit.socket)"
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printf " %-24s %s\n" "libvirt-guests.service" "$(service_state libvirt-guests.service)"
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echo
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move 1 1
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printf "${BG_HEADER}${FG_WHITE}${BOLD} %-20s ${FG_CYAN}%-30s ${FG_GRAY}%s ${RESET}" "VIRTUALITY" "$host" "$now"
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printf "%s" "$(repeat_char ' ' $((cols-70 > 0 ? cols-70 : 1)))"
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echo "[LIBVIRT STORAGE POOLS]"
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if has_cmd virsh; then
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virsh pool-list --all 2>/dev/null | sed 's/^/ /' || echo " virsh pool-list unavailable"
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# Layout
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left_w=48
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right_w=$((cols - left_w - 5))
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[[ "$right_w" -lt 48 ]] && right_w=48
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box 3 2 10 "$left_w" "SYSTEM"
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box 3 $((left_w + 4)) 10 "$right_w" "SERVICES"
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box 14 2 8 "$left_w" "NETWORK"
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box 14 $((left_w + 4)) 8 "$right_w" "VIRTUAL MACHINES"
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box 23 2 8 "$left_w" "STORAGE"
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box 23 $((left_w + 4)) 8 "$right_w" "LIBVIRT POOLS"
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# System panel
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put 5 4 $((left_w-4)) "${FG_GRAY}CPU ${FG_WHITE}${cpu}% $(bar "$cpu" 26)"
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put 6 4 $((left_w-4)) "${FG_GRAY}RAM ${FG_WHITE}${mem}% $(bar "$mem" 26)"
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put 7 4 $((left_w-4)) "${FG_GRAY}DSK ${FG_WHITE}${disk}% $(bar "$disk" 26)"
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put 8 4 $((left_w-4)) "${FG_GRAY}Load:${RESET} ${FG_WHITE}${load}${RESET}"
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put 9 4 $((left_w-4)) "${FG_GRAY}Uptime:${RESET} ${FG_WHITE}${uptime_text}${RESET}"
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put 10 4 $((left_w-4)) "${FG_GRAY}Kernel:${RESET} ${FG_WHITE}$(uname -r)${RESET}"
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# Services panel
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svc_col=$((left_w + 6))
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svc_w=$((right_w - 4))
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put 5 "$svc_col" "$svc_w" "libvirtd.service $(state_badge "$(service_state libvirtd.service)")"
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put 6 "$svc_col" "$svc_w" "virtlogd.service $(state_badge "$(service_state virtlogd.service)")"
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put 7 "$svc_col" "$svc_w" "cockpit.socket $(state_badge "$(service_state cockpit.socket)")"
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put 8 "$svc_col" "$svc_w" "libvirt-guests.service $(state_badge "$(service_state libvirt-guests.service)")"
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put 10 "$svc_col" "$svc_w" "${FG_GRAY}Cockpit:${RESET} ${FG_WHITE}https://${ip_main}:9090${RESET}"
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# Network panel
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put 16 4 $((left_w-4)) "${FG_GRAY}Main IP:${RESET} ${FG_GREEN}${ip_main}${RESET}"
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put 17 4 $((left_w-4)) "${FG_GRAY}Gateway:${RESET} ${FG_WHITE}${gateway}${RESET}"
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net_lines="$(ip -br a 2>/dev/null | head -n 3)"
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n=0
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while IFS= read -r line; do
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put $((18+n)) 4 $((left_w-4)) "${FG_WHITE}${line}${RESET}"
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n=$((n+1))
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done <<< "$net_lines"
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# VM panel
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vm_col=$((left_w + 6))
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vm_lines="$(virsh list --all 2>/dev/null | tail -n +3 | sed '/^$/d' | head -n 4 || true)"
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if [[ -z "$vm_lines" ]]; then
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put 16 "$vm_col" "$svc_w" "${FG_GRAY}VM пока нет. Следующий этап — создать тестовую VM.${RESET}"
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else
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echo " virsh not installed"
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n=0
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while IFS= read -r line; do
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put $((16+n)) "$vm_col" "$svc_w" "${FG_WHITE}${line}${RESET}"
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n=$((n+1))
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done <<< "$vm_lines"
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fi
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echo
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echo "[VIRTUAL MACHINES]"
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if has_cmd virsh; then
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virsh list --all 2>/dev/null | sed 's/^/ /' || echo " virsh list unavailable"
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else
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echo " virsh not installed"
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fi
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echo
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echo "[STORAGE PATHS]"
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# Storage panel
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srow=25
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for dir in /var/lib/virtuality/iso /var/lib/virtuality/images /var/lib/virtuality/backups /var/log/virtuality; do
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if [[ -d "$dir" ]]; then
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used="$(du -sh "$dir" 2>/dev/null | awk '{print $1}')"
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printf " %-34s %s\n" "$dir" "$used"
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put "$srow" 4 $((left_w-4)) "${FG_GRAY}${dir}:${RESET} ${FG_WHITE}${used}${RESET}"
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else
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printf " %-34s %s\n" "$dir" "missing"
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put "$srow" 4 $((left_w-4)) "${FG_GRAY}${dir}:${RESET} ${FG_RED}missing${RESET}"
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fi
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srow=$((srow+1))
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done
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echo
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echo "[FIREWALL]"
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if has_cmd ufw; then
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ufw status 2>/dev/null | head -n 12 | sed 's/^/ /' || true
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# Pools panel
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pool_lines="$(virsh pool-list --all 2>/dev/null | tail -n +3 | sed '/^$/d' | head -n 4 || true)"
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if [[ -z "$pool_lines" ]]; then
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put 25 "$vm_col" "$svc_w" "${FG_GRAY}Storage pools unavailable${RESET}"
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else
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echo " ufw not installed"
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n=0
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while IFS= read -r line; do
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put $((25+n)) "$vm_col" "$svc_w" "${FG_WHITE}${line}${RESET}"
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n=$((n+1))
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done <<< "$pool_lines"
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fi
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echo
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echo "============================================================"
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echo "Refresh: ${refresh_interval}s | btop: press Ctrl+Alt+F2 login and run bt"
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echo "Stop dashboard temporarily: sudo systemctl stop virtuality-console-dashboard"
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echo "============================================================"
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move $((rows-2)) 2
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printf "${FG_GRAY}Refresh:${RESET} ${FG_WHITE}${refresh_interval}s${RESET} ${FG_GRAY}|${RESET} ${FG_CYAN}Ctrl+Alt+F2${RESET} login ${FG_GRAY}|${RESET} ${FG_GREEN}bt${RESET}=btop ${FG_GRAY}|${RESET} stop: ${FG_YELLOW}sudo systemctl stop virtuality-console-dashboard${RESET}"
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move $((rows-1)) 1
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printf "${RESET}"
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sleep "$refresh_interval"
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done
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