服务器环境信息采集脚本

collect.sh

#!/bin/sh

OUT="env_collect_$(hostname 2>/dev/null || echo unknown)_$(date +%Y%m%d_%H%M%S).txt"

run() {
  echo ""
  echo "===== $1 ====="
  shift
  "$@" 2>&1
}

{
  echo "环境采集时间: $(date)"
  echo "主机名: $(hostname 2>/dev/null)"
  echo "当前用户: $(whoami 2>/dev/null)"

  run "UNAME" uname -a
  run "ARCH" uname -m

  echo ""
  echo "===== OS RELEASE FILES ====="
  for f in \
    /etc/os-release \
    /etc/issue \
    /etc/redhat-release \
    /etc/centos-release \
    /etc/rocky-release \
    /etc/almalinux-release \
    /etc/openEuler-release \
    /etc/kylin-release \
    /etc/uos-release \
    /etc/debian_version
  do
    if [ -f "$f" ]; then
      echo "--- $f ---"
      cat "$f" 2>&1
    fi
  done

  echo ""
  echo "===== PACKAGE TYPE ====="
  if command -v rpm >/dev/null 2>&1; then
    echo "rpm: yes"
    rpm --version 2>&1 | head -n 1
  else
    echo "rpm: no"
  fi

  if command -v dpkg >/dev/null 2>&1; then
    echo "dpkg: yes"
    dpkg --version 2>&1 | head -n 1
  else
    echo "dpkg: no"
  fi

  if command -v yum >/dev/null 2>&1; then
    echo "yum: yes"
  fi

  if command -v dnf >/dev/null 2>&1; then
    echo "dnf: yes"
  fi

  if command -v apt >/dev/null 2>&1; then
    echo "apt: yes"
  fi

  run "CPU lscpu" lscpu
  run "CPU /proc/cpuinfo head" sh -c "cat /proc/cpuinfo 2>/dev/null | head -n 80"

  run "MEMORY" sh -c "free -h 2>/dev/null || cat /proc/meminfo 2>/dev/null | head"
  run "DISK df" df -h
  run "DISK lsblk" lsblk
  run "MOUNT" mount

  run "GLIBC / LIBC" sh -c "ldd --version 2>&1 | head -n 5 || true"
  run "SYSTEMD" sh -c "systemctl --version 2>&1 | head -n 3 || ps -p 1 -o comm= 2>/dev/null"

  run "NETWORK ip addr" sh -c "ip addr 2>/dev/null || ifconfig -a 2>/dev/null"
  run "ROUTE" sh -c "ip route 2>/dev/null || route -n 2>/dev/null"
  run "DNS" cat /etc/resolv.conf

  run "FIREWALL" sh -c "systemctl status firewalld 2>/dev/null | head -n 20; iptables -L -n 2>/dev/null | head -n 80"
  run "SELINUX" sh -c "getenforce 2>/dev/null || sestatus 2>/dev/null || echo 'SELinux command not found'"
  run "APPARMOR" sh -c "aa-status 2>/dev/null || echo 'AppArmor command not found'"

  run "DOCKER" sh -c "docker --version 2>/dev/null; docker info 2>/dev/null | head -n 80"
  run "PODMAN" sh -c "podman --version 2>/dev/null; podman info 2>/dev/null | head -n 80"

  run "JAVA" sh -c "java -version 2>&1; echo JAVA_HOME=$JAVA_HOME"

  run "PYTHON" sh -c "python --version 2>&1; python3 --version 2>&1"
  run "GCC" sh -c "gcc --version 2>/dev/null | head -n 1"

  run "VIRTUALIZATION" sh -c "systemd-detect-virt 2>/dev/null || virt-what 2>/dev/null || echo unknown"

  run "PORTS" sh -c "ss -lntup 2>/dev/null || netstat -lntup 2>/dev/null"

} > "$OUT"

echo "采集完成：$OUT"