shumengya mail@smyhub.com
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253
mengyaconnect-backend/data/script/docker-info.sh
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253
mengyaconnect-backend/data/script/docker-info.sh
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#!/usr/bin/env bash
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# =============================================================================
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# Docker Info Collector - Single Column Edition
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# =============================================================================
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set -euo pipefail
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# =============================================================================
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# Colors
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# =============================================================================
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readonly NC='\033[0m'
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readonly GRAY='\033[0;90m'
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readonly CYAN='\033[0;36m'
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readonly GREEN='\033[1;32m'
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readonly YELLOW='\033[1;33m'
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readonly WHITE='\033[1;37m'
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readonly DIM='\033[2m'
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readonly C_HEADER="${CYAN}"
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readonly C_SECTION="${YELLOW}"
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readonly C_KEY="${WHITE}"
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readonly C_VALUE="${CYAN}"
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readonly C_OK="${GREEN}"
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readonly C_WARN="${YELLOW}"
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readonly C_ERR="\033[1;31m"
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readonly C_DIM="${GRAY}"
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# Separator line (thick line style)
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SEP_LINE="${C_DIM}══════════════════════════════════════════════════════════════════════════════${NC}"
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# =============================================================================
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# Utils
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# =============================================================================
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has_cmd() { command -v "$1" &>/dev/null; }
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print_header() {
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local title="$1"
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local len=${#title}
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local pad=$(( (76 - len) / 2 ))
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echo -e "\n${C_HEADER}╔══════════════════════════════════════════════════════════════════════════════╗"
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printf "${C_HEADER}║%${pad}s${WHITE} %s %${pad}s║${NC}\n" "" "$title" ""
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echo -e "${C_HEADER}╚══════════════════════════════════════════════════════════════════════════════╝${NC}"
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}
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print_section() {
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echo -e "\n${C_SECTION}▶ $1${NC}"
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echo -e "$SEP_LINE"
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}
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print_kv() {
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printf " ${C_KEY}%-14s${NC} ${C_VALUE}%s${NC}\n" "$1:" "$2"
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}
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print_ok() { echo -e " ${C_OK}●${NC} $1"; }
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print_warn() { echo -e " ${C_WARN}●${NC} $1"; }
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print_err() { echo -e " ${C_ERR}●${NC} $1"; }
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# =============================================================================
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# System Info
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# =============================================================================
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collect_server() {
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print_header "服务器信息"
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# OS Information
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print_section "操作系统"
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local os_name kernel arch
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os_name="$(. /etc/os-release 2>/dev/null && echo "$PRETTY_NAME" || uname -s)"
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kernel="$(uname -r)"
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arch="$(uname -m)"
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print_kv "系统" "$os_name"
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print_kv "内核版本" "$kernel"
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print_kv "系统架构" "$arch"
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# Host Info
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print_section "主机信息"
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local hostname uptime_str
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hostname="$(hostname)"
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uptime_str="$(uptime -p 2>/dev/null | sed 's/up //' || uptime | sed 's/.*up //; s/,.*//')"
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print_kv "主机名" "$hostname"
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print_kv "运行时长" "$uptime_str"
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print_kv "当前时间" "$(date '+%Y-%m-%d %H:%M:%S')"
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# CPU
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if [[ -f /proc/cpuinfo ]]; then
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print_section "处理器"
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local cpus cpu_model
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cpus=$(grep -c '^processor' /proc/cpuinfo)
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cpu_model=$(grep 'model name' /proc/cpuinfo | head -1 | cut -d: -f2 | xargs)
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print_kv "核心数量" "${cpus} 核"
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print_kv "型号" "$cpu_model"
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fi
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# Memory
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if has_cmd free; then
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print_section "内存"
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local mem_total mem_used mem_free mem_pct
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mem_total=$(free -h | awk '/^Mem:/ {print $2}')
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mem_used=$(free -h | awk '/^Mem:/ {print $3}')
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mem_free=$(free -h | awk '/^Mem:/ {print $7}')
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mem_pct=$(free | awk '/^Mem:/ {printf "%.1f", $3/$2 * 100}')
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print_kv "总容量" "$mem_total"
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print_kv "已使用" "$mem_used (${mem_pct}%)"
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print_kv "可用" "$mem_free"
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fi
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# Disk
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if has_cmd df; then
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print_section "磁盘使用"
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df -h --output=source,fstype,size,used,pcent,target 2>/dev/null | tail -n +2 | while read -r fs type size used pct target; do
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[[ "$fs" == "tmpfs" || "$fs" == "devtmpfs" || "$fs" == "overlay" ]] && continue
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[[ -z "$fs" ]] && continue
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# Escape % for printf
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local pct_clean="${pct%%%}"
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printf " ${C_DIM}[${NC}${C_VALUE}%-12s${NC}${C_DIM}]${NC} ${C_KEY}%-8s${NC} ${C_VALUE}%-7s${NC} ${C_DIM}used:${NC} ${C_VALUE}%-7s${NC} ${C_DIM}(%s%%)${NC}\n" \
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"$target" "$type" "$size" "$used" "$pct_clean"
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done
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fi
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# Network
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if has_cmd ip; then
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print_section "网络接口"
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ip -o addr show 2>/dev/null | awk '{print $2, $4}' | while read -r iface addr; do
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[[ "$iface" == "lo" ]] && continue
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print_kv "$iface" "$addr"
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done
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fi
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}
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# =============================================================================
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# Docker Info
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# =============================================================================
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collect_docker() {
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print_header "Docker 信息"
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if ! has_cmd docker; then
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print_err "Docker 未安装"
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return 1
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fi
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# Version
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print_section "版本信息"
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local client_ver server_ver
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client_ver=$(docker version --format '{{.Client.Version}}' 2>/dev/null || echo "N/A")
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server_ver=$(docker version --format '{{.Server.Version}}' 2>/dev/null || echo "N/A")
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print_kv "客户端" "$client_ver"
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print_kv "服务端" "$server_ver"
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if has_cmd docker-compose; then
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print_kv "Docker Compose" "$(docker-compose version --short 2>/dev/null)"
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fi
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# Status
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if docker info &>/dev/null; then
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print_ok "守护进程运行中"
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else
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print_warn "守护进程未运行"
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return 1
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fi
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# Stats
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print_section "资源统计"
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local containers running images networks volumes
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containers=$(docker ps -aq 2>/dev/null | wc -l)
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running=$(docker ps -q 2>/dev/null | wc -l)
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images=$(docker images -q 2>/dev/null | wc -l)
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networks=$(docker network ls -q 2>/dev/null | wc -l)
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volumes=$(docker volume ls -q 2>/dev/null | wc -l)
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print_kv "容器" "${running} 运行 / ${containers} 总计"
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print_kv "镜像" "$images"
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print_kv "网络" "$networks"
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print_kv "存储卷" "$volumes"
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# Running containers
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if [[ $running -gt 0 ]]; then
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print_section "运行中的容器"
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docker ps --format "{{.Names}}|{{.Image}}|{{.Status}}" 2>/dev/null | while IFS='|' read -r name image status; do
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printf " ${C_OK}●${NC} ${C_VALUE}%-20s${NC} ${C_DIM}%-30s${NC} %s\n" "$name" "${image:0:30}" "$status"
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done
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fi
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# All containers
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if [[ $containers -gt 0 ]]; then
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print_section "所有容器"
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docker ps -a --format "{{.Names}}|{{.Image}}|{{.Status}}" 2>/dev/null | head -20 | while IFS='|' read -r name image status; do
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local icon="${C_DIM}○${NC}"
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local color="$C_VALUE"
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[[ "$status" == Up* ]] && icon="${C_OK}●${NC}" && color="$C_OK"
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[[ "$status" == Exited* ]] && color="$C_DIM"
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printf " ${icon} ${color}%-20s${NC} ${C_DIM}%-25s${NC} %s\n" "$name" "${image:0:25}" "$status"
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done
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[[ $containers -gt 20 ]] && echo -e " ${C_DIM}... 还有 $((containers - 20)) 个容器${NC}"
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fi
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# Images
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if [[ $images -gt 0 ]]; then
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print_section "镜像列表"
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docker images --format "{{.Repository}}|{{.Tag}}|{{.Size}}|{{.CreatedAt}}" 2>/dev/null | grep -v "<none>" | head -25 | while IFS='|' read -r repo tag size created; do
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printf " ${C_DIM}◆${NC} ${C_VALUE}%-35s${NC} ${C_DIM}%-10s %s${NC}\n" "${repo}:${tag}" "$size" "$created"
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done
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[[ $images -gt 25 ]] && echo -e " ${C_DIM}... 还有 $((images - 25)) 个镜像${NC}"
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fi
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# Networks
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if [[ $networks -gt 0 ]]; then
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print_section "网络"
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docker network ls --format "{{.Name}}|{{.Driver}}|{{.Scope}}" 2>/dev/null | head -15 | while IFS='|' read -r name driver scope; do
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printf " ${C_DIM}◎${NC} ${C_VALUE}%-20s${NC} ${C_DIM}[%s/%s]${NC}\n" "$name" "$driver" "$scope"
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done
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fi
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# Volumes
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if [[ $volumes -gt 0 ]]; then
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print_section "存储卷"
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docker volume ls --format "{{.Name}}|{{.Driver}}" 2>/dev/null | head -20 | while IFS='|' read -r name driver; do
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printf " ${C_DIM}▪${NC} ${C_VALUE}%s${NC} ${C_DIM}(%s)${NC}\n" "$name" "$driver"
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done
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[[ $volumes -gt 20 ]] && echo -e " ${C_DIM}... 还有 $((volumes - 20)) 个存储卷${NC}"
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fi
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}
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# =============================================================================
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# Main
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# =============================================================================
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main() {
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collect_server
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collect_docker
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echo -e "\n${C_HEADER}╔══════════════════════════════════════════════════════════════════════════════╗"
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echo -e "${C_HEADER}║${C_OK} ✓ 信息收集完成 ${C_HEADER}║${NC}"
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echo -e "${C_HEADER}╚══════════════════════════════════════════════════════════════════════════════╝${NC}\n"
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}
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main "$@"
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