218 lines
6.4 KiB
Bash
Executable File
218 lines
6.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -Eeuo pipefail
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# --- 配置区 ---
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CHAT_ID="-1003834524994"
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TOPIC_ID="4"
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BOT_TOKEN="${OPENCLAW_TELEGRAM_BOT_TOKEN:-}"
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TOP_N="${TOP_N:-5}"
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# --------------
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have() { command -v "$1" >/dev/null 2>&1; }
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escape_html() {
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sed -e 's/&/\&/g' -e 's/</\</g' -e 's/>/\>/g'
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}
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trim_text() {
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local max="$1"
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local text="$2"
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if (( ${#text} > max )); then
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printf '%s…' "${text:0:max-1}"
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else
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printf '%s' "$text"
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fi
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}
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draw_bar() {
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local percent="$1"
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local width=10
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local filled=$(( percent * width / 100 ))
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(( filled > width )) && filled=$width
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local empty=$(( width - filled ))
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local bar=""
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for ((i=0; i<filled; i++)); do bar+="■"; done
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for ((i=0; i<empty; i++)); do bar+="□"; done
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printf '%s' "$bar"
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}
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get_cpu_usage() {
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local total_a idle_a total_b idle_b usage
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read -r _ u1 n1 s1 i1 w1 irq1 sirq1 st1 _ < /proc/stat
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total_a=$((u1+n1+s1+i1+w1+irq1+sirq1+st1))
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idle_a=$((i1+w1))
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sleep 1
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read -r _ u2 n2 s2 i2 w2 irq2 sirq2 st2 _ < /proc/stat
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total_b=$((u2+n2+s2+i2+w2+irq2+sirq2+st2))
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idle_b=$((i2+w2))
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usage=$(awk -v ta="$total_a" -v tb="$total_b" -v ia="$idle_a" -v ib="$idle_b" 'BEGIN { dt=tb-ta; di=ib-ia; if (dt<=0) print "0"; else printf "%.0f", (dt-di)*100/dt }')
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printf '%s' "$usage"
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}
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get_mem_info() {
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free -m | awk '/^Mem:/ {printf "%d %d %d\n", $3, $2, ($2>0 ? $3*100/$2 : 0)}'
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}
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get_swap_info() {
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free -m | awk '/^Swap:/ {printf "%d %d %d\n", $3, $2, ($2>0 ? $3*100/$2 : 0)}'
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}
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get_root_disk_info() {
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df -h / | awk 'NR==2 {gsub(/%/,"",$5); printf "%s %s %s\n", $3, $2, $5}'
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}
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get_root_inode_info() {
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df -i / | awk 'NR==2 {gsub(/%/,"",$5); printf "%s %s %s\n", $3, $2, $5}'
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}
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get_loadavg() {
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awk '{print $1" / "$2" / "$3}' /proc/loadavg
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}
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get_uptime() {
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uptime -p | sed 's/^up //'
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}
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get_temp() {
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if have sensors; then
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sensors 2>/dev/null | awk '/Package id 0:|Tctl:|Tdie:|Composite:/ {gsub(/^\+/,"",$2); print $1" "$2; count++; if (count>=3) exit}' | paste -sd '; ' -
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elif [[ -r /sys/class/thermal/thermal_zone0/temp ]]; then
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awk '{printf "thermal_zone0 %.1f°C", $1/1000}' /sys/class/thermal/thermal_zone0/temp
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else
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printf 'N/A'
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fi
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}
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get_top_partitions() {
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df -hP -x tmpfs -x devtmpfs | awk 'NR==1 {next} {gsub(/%/,"",$5); print $5"\t"$6"\t"$3"/"$2}' | sort -rn | head -n 5 | while IFS=$'\t' read -r usep mount usedtotal; do
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printf '%s%% %s (%s)\n' "$usep" "$mount" "$usedtotal"
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done
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}
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get_top_cpu_processes() {
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ps -eo pid,user,%cpu,%mem,etime,args --sort=-%cpu | awk 'NR>1 && NR<='"$((5+1))"' {
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cmd="";
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for (i=6; i<=NF; i++) cmd=cmd $i (i<NF?" ":"");
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printf "%s\t%s\t%s\t%s\t%s\t%s\n", $1,$2,$3,$4,$5,cmd
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}'
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}
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get_top_mem_processes() {
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ps -eo pid,user,%cpu,%mem,etime,args --sort=-%mem | awk 'NR>1 && NR<='"$((5+1))"' {
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cmd="";
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for (i=6; i<=NF; i++) cmd=cmd $i (i<NF?" ":"");
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printf "%s\t%s\t%s\t%s\t%s\t%s\n", $1,$2,$3,$4,$5,cmd
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}'
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}
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format_proc_lines() {
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local rows="$1"
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while IFS=$'\t' read -r pid user pcpu pmem etime cmd; do
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[[ -z "${pid:-}" ]] && continue
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cmd=$(trim_text 42 "$cmd")
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printf '%s\n' "$(printf '%-6s %-8s %5s%% %5s%% %-10s %s' "$pid" "$user" "$pcpu" "$pmem" "$etime" "$cmd")"
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done <<< "$rows"
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}
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build_alerts() {
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local cpu_p="$1" mem_p="$2" disk_p="$3" swap_p="$4" load1="$5" cores="$6"
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local alerts=()
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(( cpu_p >= 85 )) && alerts+=("CPU ${cpu_p}% 偏高")
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(( mem_p >= 85 )) && alerts+=("内存 ${mem_p}% 偏高")
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(( disk_p >= 90 )) && alerts+=("根分区 ${disk_p}% 偏高")
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(( swap_p >= 30 )) && alerts+=("Swap ${swap_p}% 已使用")
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awk -v l1="$load1" -v c="$cores" 'BEGIN {exit !(l1>c)}' && alerts+=("1 分钟负载 ${load1} 高于核心数 ${cores}")
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if (( ${#alerts[@]} == 0 )); then
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printf '✅ 未见明显异常'
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else
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printf '⚠️ %s' "$(IFS='；'; echo "${alerts[*]}")"
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fi
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}
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build_report() {
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local cpu_p mem_used mem_total mem_p swap_used swap_total swap_p
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local disk_used disk_total disk_p inode_used inode_total inode_p
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local host up load temp status alert_summary cores load1
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local top_cpu top_mem top_parts
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cpu_p=$(get_cpu_usage)
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read -r mem_used mem_total mem_p < <(get_mem_info)
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read -r swap_used swap_total swap_p < <(get_swap_info)
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read -r disk_used disk_total disk_p < <(get_root_disk_info)
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read -r inode_used inode_total inode_p < <(get_root_inode_info)
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load=$(get_loadavg)
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load1=$(awk '{print $1}' /proc/loadavg)
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up=$(get_uptime)
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host=$(hostname)
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temp=$(get_temp)
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cores=$(nproc)
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top_cpu=$(format_proc_lines "$(get_top_cpu_processes)")
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top_mem=$(format_proc_lines "$(get_top_mem_processes)")
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top_parts=$(get_top_partitions)
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alert_summary=$(build_alerts "$cpu_p" "$mem_p" "$disk_p" "$swap_p" "$load1" "$cores")
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if [[ "$alert_summary" == ✅* ]]; then
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status='🟢 正常'
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elif (( cpu_p >= 95 || mem_p >= 95 || disk_p >= 95 )); then
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status='🔴 告警'
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else
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status='🟡 关注'
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fi
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temp=$(printf '%s' "$temp" | escape_html)
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top_cpu=$(printf '%s' "$top_cpu" | escape_html)
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top_mem=$(printf '%s' "$top_mem" | escape_html)
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top_parts=$(printf '%s' "$top_parts" | escape_html)
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alert_summary=$(printf '%s' "$alert_summary" | escape_html)
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cat <<EOF
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<b>🖥 服务器巡检 · ${host}</b>
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状态：<b>${status}</b>
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${alert_summary}
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━━━━━━━━━━━━━━━━━━
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<b>核心指标</b>
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CPU <code>$(draw_bar "$cpu_p")</code> ${cpu_p}%
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RAM <code>$(draw_bar "$mem_p")</code> ${mem_p}%
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DSK <code>$(draw_bar "$disk_p")</code> ${disk_p}%
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<b>概览</b>
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• 运行时间：<code>${up}</code>
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• 负载(1/5/15)：<code>${load}</code>
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• 内存：<code>${mem_used}MB / ${mem_total}MB</code>
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• Swap：<code>${swap_used}MB / ${swap_total}MB (${swap_p}%)</code>
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• 根分区：<code>${disk_used} / ${disk_total}</code>
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• Inode：<code>${inode_used} / ${inode_total} (${inode_p}%)</code>
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• 温度：<code>${temp}</code>
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<b>最忙分区 Top 5</b>
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<pre>${top_parts}</pre>
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<b>CPU Top ${TOP_N}</b>
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<pre>PID USER CPU MEM ELAPSED CMD
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${top_cpu}</pre>
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<b>MEM Top ${TOP_N}</b>
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<pre>PID USER CPU MEM ELAPSED CMD
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${top_mem}</pre>
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🕒 <i>$(date '+%Y-%m-%d %H:%M:%S')</i>
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EOF
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}
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send_telegram() {
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local text="$1"
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if [[ -z "$BOT_TOKEN" ]]; then
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echo "Error: BOT_TOKEN is empty." >&2
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return 1
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fi
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curl -fsS -X POST "https://api.telegram.org/bot${BOT_TOKEN}/sendMessage" \
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-d "chat_id=${CHAT_ID}" \
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-d "message_thread_id=${TOPIC_ID}" \
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-d "parse_mode=HTML" \
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--data-urlencode "text=${text}" >/dev/null
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}
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report=$(build_report)
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send_telegram "$report"
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printf '%s\n' "$report"
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