465 lines
17 KiB
Bash
Executable File
465 lines
17 KiB
Bash
Executable File
#!/bin/bash
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set -euo pipefail
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# ─── Color helpers ────────────────────────────────────────────────────────────
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RED='\033[0;31m'; GREEN='\033[0;32m'; YELLOW='\033[1;33m'
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BLUE='\033[0;34m'; CYAN='\033[0;36m'; BOLD='\033[1m'; NC='\033[0m'
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info() { echo -e "${CYAN}[INFO]${NC} $*"; }
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success() { echo -e "${GREEN}[OK]${NC} $*"; }
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warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
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error() { echo -e "${RED}[ERR]${NC} $*" >&2; }
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step() { echo -e "\n${BOLD}${BLUE}══ $* ${NC}"; }
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# ─── OS Detection ─────────────────────────────────────────────────────────────
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detect_os() {
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if [ -f /etc/os-release ]; then
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. /etc/os-release
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OS_ID="${ID:-unknown}"
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OS_ID_LIKE="${ID_LIKE:-}"
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else
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error "Cannot detect OS (no /etc/os-release found)"
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exit 1
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fi
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case "$OS_ID" in
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aosc) DISTRO="aosc" ;;
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debian) DISTRO="debian" ;;
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ubuntu) DISTRO="ubuntu" ;;
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fedora) DISTRO="fedora" ;;
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*)
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# fallback via ID_LIKE
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case "$OS_ID_LIKE" in
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*debian*) DISTRO="debian" ;;
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*fedora*|*rhel*) DISTRO="fedora" ;;
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*) error "Unsupported distro: $OS_ID"; exit 1 ;;
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esac
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;;
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esac
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info "Detected distro: ${BOLD}$DISTRO${NC} (ID=$OS_ID)"
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}
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# ─── HTTP Proxy ───────────────────────────────────────────────────────────────
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setup_proxy() {
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step "HTTP Proxy"
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echo -e "Do you want to configure an HTTP proxy for this session? ${YELLOW}(helps with Homebrew downloads)${NC}"
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read -rp "Configure proxy? [y/N] " ans
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case "$ans" in
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[Yy]*)
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while true; do
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read -rp "Enter proxy URL (e.g. http://192.168.1.1:7890): " proxy_url
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if [[ "$proxy_url" =~ ^https?://[^:]+:[0-9]+$ ]]; then
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break
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fi
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warn "Invalid format. Expected: http://<IP>:<PORT> or https://<IP>:<PORT>"
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done
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export http_proxy="$proxy_url"
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export https_proxy="$proxy_url"
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export HTTP_PROXY="$proxy_url"
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export HTTPS_PROXY="$proxy_url"
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success "Proxy set to $proxy_url for this session"
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;;
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*)
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info "Skipping proxy configuration"
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;;
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esac
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}
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# ─── SSH Key Setup ────────────────────────────────────────────────────────────
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setup_ssh_key() {
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step "SSH Key Configuration"
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# Create ~/.ssh
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mkdir -p ~/.ssh
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chmod 700 ~/.ssh
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touch ~/.ssh/authorized_keys
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chmod 600 ~/.ssh/authorized_keys
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# Show already-present keys
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existing_count=$(grep -c . ~/.ssh/authorized_keys 2>/dev/null || true)
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if [ "$existing_count" -gt 0 ]; then
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info "Existing authorized keys ($existing_count):"
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grep -v '^\s*$' ~/.ssh/authorized_keys | while IFS= read -r line; do
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echo " ${line:0:60}..."
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done
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fi
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# Collect public key(s) interactively
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echo ""
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echo -e "Paste ${BOLD}new${NC} SSH public key(s) to add (enter blank line to finish):"
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echo ""
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local added=0
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while true; do
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read -rp "Public key (or blank to finish): " pubkey
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[[ -z "$pubkey" ]] && break
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if [[ "$pubkey" =~ ^(ssh-rsa|ssh-ed25519|ecdsa-sha2-nistp256|sk-ssh-ed25519) ]]; then
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if grep -qF "$pubkey" ~/.ssh/authorized_keys 2>/dev/null; then
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info "Key already present, skipping (${pubkey:0:30}...)"
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else
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echo "$pubkey" >> ~/.ssh/authorized_keys
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success "Key added (${pubkey:0:30}...)"
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(( added++ )) || true
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fi
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else
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warn "Does not look like a valid public key, skipping"
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fi
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done
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if [ "$added" -eq 0 ]; then
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info "No new keys added"
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else
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success "authorized_keys updated (+$added key(s))"
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fi
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# Configure sshd_config
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info "Configuring /etc/ssh/sshd_config ..."
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SSHD_CONF="/etc/ssh/sshd_config"
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sudo_set_sshd() {
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local key="$1" val="$2"
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# Uncomment or add the line
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if sudo grep -qE "^\s*#?\s*${key}\s" "$SSHD_CONF"; then
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sudo sed -i -E "s|^\s*#?\s*(${key})\s+.*|\1 ${val}|" "$SSHD_CONF"
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else
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echo "${key} ${val}" | sudo tee -a "$SSHD_CONF" > /dev/null
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fi
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}
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sudo_set_sshd "PubkeyAuthentication" "yes"
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sudo_set_sshd "AuthorizedKeysFile" ".ssh/authorized_keys"
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# Only disable password auth when at least one key is present — avoid lockout
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if grep -qv '^\s*$' ~/.ssh/authorized_keys 2>/dev/null; then
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sudo_set_sshd "PasswordAuthentication" "no"
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success "sshd_config updated (password login disabled)"
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else
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warn "No authorized keys found — keeping PasswordAuthentication unchanged to avoid lockout"
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fi
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# Restart SSH
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if sudo systemctl restart ssh 2>/dev/null || sudo systemctl restart sshd 2>/dev/null; then
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success "SSH service restarted"
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else
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warn "Could not restart SSH service automatically — please restart it manually"
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fi
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}
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# ─── Install git via system package manager ───────────────────────────────────
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install_git() {
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if command -v git &>/dev/null; then
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success "git already installed ($(git --version))"
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return
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fi
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info "Installing git via system package manager ..."
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case "$DISTRO" in
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aosc) sudo oma install -y git ;;
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debian|ubuntu) sudo apt-get update -qq && sudo apt-get install -y git ;;
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fedora) sudo dnf install -y git ;;
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esac
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success "git installed"
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}
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# ─── Homebrew ─────────────────────────────────────────────────────────────────
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install_homebrew() {
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if command -v brew &>/dev/null; then
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success "Homebrew already installed"
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return
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fi
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info "Installing Homebrew ..."
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local install_script
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install_script="$(mktemp)"
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if ! curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh -o "$install_script"; then
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rm -f "$install_script"
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error "Failed to download Homebrew install script (network error)"
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exit 1
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fi
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/bin/bash "$install_script"
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rm -f "$install_script"
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# Add brew to PATH for the rest of this script
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if [ -f /home/linuxbrew/.linuxbrew/bin/brew ]; then
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eval "$(/home/linuxbrew/.linuxbrew/bin/brew shellenv)"
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fi
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if ! command -v brew &>/dev/null; then
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error "Homebrew installation failed (brew not found after install)"
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exit 1
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fi
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success "Homebrew installed"
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}
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# brew install，跳过已安装的包，忽略依赖 post-install 失败引起的非零退出，最后校验每个包
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brew_install_packages() {
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local to_install=()
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for pkg in "$@"; do
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if brew list --formula "$pkg" &>/dev/null; then
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info "Homebrew: $pkg already installed, skipping"
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else
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to_install+=("$pkg")
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fi
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done
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if [ ${#to_install[@]} -eq 0 ]; then
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success "All Homebrew packages already installed"
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return
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fi
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info "Installing via Homebrew: ${to_install[*]}"
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brew install "${to_install[@]}" || true
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local failed=()
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for pkg in "${to_install[@]}"; do
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if ! brew list --formula "$pkg" &>/dev/null; then
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failed+=("$pkg")
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fi
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done
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if [ ${#failed[@]} -gt 0 ]; then
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error "The following packages failed to install: ${failed[*]}"
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exit 1
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fi
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success "Homebrew packages installed: ${to_install[*]}"
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}
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# ─── Software Installation ────────────────────────────────────────────────────
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install_packages() {
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step "Software Installation"
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case "$DISTRO" in
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aosc)
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info "Installing packages via oma ..."
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sudo oma install -y git fish eza fastfetch btop docker docker-compose-plugin docker-buildx-plugin
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success "All packages installed via oma"
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;;
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debian|ubuntu)
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install_git
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install_homebrew
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brew_install_packages fish eza fastfetch btop
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;;
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fedora)
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install_git
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install_homebrew
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brew_install_packages fish eza fastfetch btop
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;;
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esac
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}
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# ─── Fish Shell Setup ─────────────────────────────────────────────────────────
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setup_fish() {
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step "Fish Shell Configuration"
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FISH_PATH="$(command -v fish)"
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if [ -z "$FISH_PATH" ]; then
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error "fish not found in PATH"
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return 1
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fi
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# Add fish to /etc/shells if not already present
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if ! grep -qF "$FISH_PATH" /etc/shells; then
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echo "$FISH_PATH" | sudo tee -a /etc/shells > /dev/null
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success "Added $FISH_PATH to /etc/shells"
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else
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info "$FISH_PATH already in /etc/shells"
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fi
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# Change default shell only if not already fish
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current_shell="$(getent passwd "$USER" | cut -d: -f7)"
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if [ "$current_shell" = "$FISH_PATH" ]; then
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info "fish is already the default shell"
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else
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sudo chsh -s "$FISH_PATH" "$USER"
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success "Default shell changed to fish ($FISH_PATH)"
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fi
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# For brew-based systems: add brew shellenv to fish config
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if [ "$DISTRO" != "aosc" ] && [ -f /home/linuxbrew/.linuxbrew/bin/brew ]; then
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mkdir -p ~/.config/fish
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FISH_CONF="$HOME/.config/fish/config.fish"
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BREW_LINE='eval (/home/linuxbrew/.linuxbrew/bin/brew shellenv)'
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if ! grep -qF "$BREW_LINE" "$FISH_CONF" 2>/dev/null; then
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echo "$BREW_LINE" >> "$FISH_CONF"
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success "brew shellenv added to fish config"
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else
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info "brew shellenv already in fish config"
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fi
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fi
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}
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# ─── Docker Installation ──────────────────────────────────────────────────────
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install_docker() {
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step "Docker Installation"
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case "$DISTRO" in
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aosc)
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info "Docker already installed via oma, skipping"
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;;
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debian|ubuntu)
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if command -v docker &>/dev/null; then
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info "Docker already installed ($(docker --version)), skipping"
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else
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curl -fsSL https://git.mitsea.com/FlintyLemming/scripts-public/raw/branch/main/linux-managements/install-docker.sh \
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-o /tmp/install-docker.sh
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sudo sh /tmp/install-docker.sh
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success "Docker installed"
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fi
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;;
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fedora)
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if command -v docker &>/dev/null; then
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info "Docker already installed ($(docker --version)), skipping"
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else
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info "Setting up Docker CE repository ..."
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sudo curl -fsSL https://download.docker.com/linux/fedora/docker-ce.repo \
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-o /etc/yum.repos.d/docker-ce.repo
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sudo dnf install -y docker-ce docker-ce-cli containerd.io \
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docker-compose-plugin docker-buildx-plugin
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success "Docker installed"
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fi
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;;
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esac
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docker_no_root
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}
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# Allow current user to run docker without sudo
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docker_no_root() {
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info "Configuring Docker for non-root usage ..."
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if ! getent group docker > /dev/null 2>&1; then
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sudo groupadd docker
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fi
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if id -nG "$USER" | grep -qw docker; then
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info "User '$USER' is already in the docker group"
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else
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sudo usermod -aG docker "$USER"
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success "User '$USER' added to the docker group"
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warn "Log out and back in for the group change to take effect"
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fi
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if ! sudo systemctl is-enabled --quiet docker 2>/dev/null; then
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sudo systemctl enable docker
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fi
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sudo systemctl start docker
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success "Docker service running"
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}
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# ─── Dotfiles ─────────────────────────────────────────────────────────────────
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clone_dotfiles() {
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step "Dotfiles"
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DOTFILES_DIR="$HOME/.flinty"
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if [ -d "$DOTFILES_DIR" ]; then
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info "Dotfiles directory already exists, pulling latest ..."
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git -C "$DOTFILES_DIR" pull
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else
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info "Cloning dotfiles ..."
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git clone https://git.mitsea.com/FlintyLemming/dotfiles.git "$DOTFILES_DIR"
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fi
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success "Dotfiles ready at $DOTFILES_DIR"
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}
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# ─── Fish Config (source dotfiles) ───────────────────────────────────────────
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configure_fish_dotfiles() {
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step "Fish Config — Dotfiles Integration"
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mkdir -p ~/.config/fish
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FISH_CONF="$HOME/.config/fish/config.fish"
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SOURCE_LINE="source ~/.flinty/fish/add-on.fish"
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if ! grep -qF "$SOURCE_LINE" "$FISH_CONF" 2>/dev/null; then
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echo "$SOURCE_LINE" >> "$FISH_CONF"
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success "Added dotfiles source to fish config"
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else
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info "Dotfiles source line already in fish config"
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fi
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}
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# ─── SSH Config ───────────────────────────────────────────────────────────────
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configure_ssh_config() {
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step "SSH Config — Dotfiles Integration"
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mkdir -p ~/.ssh
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SSH_CONF="$HOME/.ssh/config"
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INCLUDE_LINE="Include ~/.flinty/ssh/config"
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if ! grep -qF "$INCLUDE_LINE" "$SSH_CONF" 2>/dev/null; then
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# Include must be at the top of ssh config
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if [ -f "$SSH_CONF" ]; then
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tmp="$(mktemp)"
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{ echo "$INCLUDE_LINE"; echo ""; cat "$SSH_CONF"; } > "$tmp"
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mv "$tmp" "$SSH_CONF"
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else
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echo "$INCLUDE_LINE" > "$SSH_CONF"
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fi
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chmod 600 "$SSH_CONF"
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success "Include line added to ~/.ssh/config"
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else
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info "Include line already in ~/.ssh/config"
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fi
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}
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# ─── Sudo Privilege Check ─────────────────────────────────────────────────────
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ensure_sudo() {
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step "Sudo Privilege Check"
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if sudo -v 2>/dev/null; then
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success "User '$USER' has sudo access"
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# Keep sudo ticket alive in the background for the duration of the script
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( while true; do sudo -n true 2>/dev/null; sleep 50; done ) &
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SUDO_KEEPALIVE_PID=$!
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return
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fi
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warn "User '$USER' does not have sudo access"
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case "$DISTRO" in
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aosc|fedora) local sudo_group="wheel" ;;
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debian|ubuntu) local sudo_group="sudo" ;;
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esac
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info "Enter the ${BOLD}root password${NC} to grant sudo access (adds '$USER' to '$sudo_group' group):"
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if su -c "usermod -aG $sudo_group $USER" root; then
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success "User '$USER' added to '$sudo_group' group"
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echo ""
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warn "Group change requires re-login to take effect."
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warn "Please log out, log back in, and re-run this script."
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exit 0
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else
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error "Failed to grant sudo. Please run as root: usermod -aG $sudo_group $USER"
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exit 1
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fi
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}
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# ─── Main ─────────────────────────────────────────────────────────────────────
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main() {
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echo -e "${BOLD}${CYAN}"
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echo "╔══════════════════════════════════════════╗"
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echo "║ FlintyLemming Server Setup ║"
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echo "╚══════════════════════════════════════════╝"
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echo -e "${NC}"
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detect_os
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ensure_sudo
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setup_proxy
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setup_ssh_key
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install_packages
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setup_fish
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install_docker
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clone_dotfiles
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configure_fish_dotfiles
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configure_ssh_config
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step "Starting Docker"
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if sudo systemctl start docker; then
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success "Docker started"
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else
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warn "Could not start Docker — please start it manually"
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fi
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# Stop sudo keepalive
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if [ -n "${SUDO_KEEPALIVE_PID:-}" ]; then
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kill "$SUDO_KEEPALIVE_PID" 2>/dev/null || true
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fi
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echo ""
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echo -e "${BOLD}${GREEN}══ Setup complete! ══${NC}"
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echo -e "Please ${BOLD}log out and back in${NC} (or open a new shell) for all changes to take effect."
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}
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main "$@"
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