82 lines
3.2 KiB
Bash
82 lines
3.2 KiB
Bash
#!/usr/bin/env bash
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# wg_install — Instala wireguard + wireguard-tools en Linux (debian/ubuntu/fedora/arch).
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# Idempotente: si wg ya está instalado emite JSON con status=already-present y sale.
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# Carga módulo kernel wireguard. Emite JSON a stdout. Logs a stderr con prefijo [wg_install].
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# Exit 0 = éxito, 1 = fallo.
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wg_install() {
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local distro="" version="" status=""
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_wg_log() { echo "[wg_install] $*" >&2; }
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# Detectar distro via /etc/os-release
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if [[ -f /etc/os-release ]]; then
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distro=$(. /etc/os-release && echo "${ID:-unknown}")
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else
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_wg_log "ERROR: /etc/os-release no encontrado; no se puede detectar distro"
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return 1
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fi
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_wg_log "Distro detectada: ${distro}"
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# Comprobar si wg ya está instalado (idempotencia)
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if command -v wg &>/dev/null; then
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version=$(wg --version 2>/dev/null | head -n1 || echo "unknown")
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_wg_log "wireguard-tools ya presente (${version}); cargando módulo kernel"
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# Intentar cargar módulo igualmente (no fatal)
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sudo modprobe wireguard 2>/dev/null || true
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printf '{"status":"already-present","distro":"%s","version":"%s"}\n' "${distro}" "${version}"
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return 0
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fi
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# Instalar según distro
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case "${distro}" in
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debian|ubuntu|linuxmint|pop|kali|raspbian)
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_wg_log "Usando apt-get (${distro})"
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sudo apt-get update -y >&2 || { _wg_log "ERROR: apt-get update falló"; return 1; }
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sudo apt-get install -y wireguard wireguard-tools >&2 \
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|| { _wg_log "ERROR: apt-get install wireguard falló"; return 1; }
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;;
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fedora)
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_wg_log "Usando dnf (fedora)"
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sudo dnf install -y wireguard-tools >&2 \
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|| { _wg_log "ERROR: dnf install wireguard-tools falló"; return 1; }
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;;
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rhel|centos|rocky|almalinux)
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_wg_log "Usando dnf (rhel/centos/rocky/alma)"
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sudo dnf install -y epel-release >&2 || true
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sudo dnf install -y wireguard-tools >&2 \
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|| { _wg_log "ERROR: dnf install wireguard-tools falló"; return 1; }
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;;
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arch|manjaro|endeavouros)
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_wg_log "Usando pacman (arch)"
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sudo pacman -S --noconfirm wireguard-tools >&2 \
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|| { _wg_log "ERROR: pacman install wireguard-tools falló"; return 1; }
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;;
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*)
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_wg_log "ERROR: distro '${distro}' no soportada (soportadas: debian/ubuntu/fedora/rhel/arch)"
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return 1
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;;
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esac
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# Verificar instalación
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if ! command -v wg &>/dev/null; then
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_wg_log "ERROR: 'wg' no encontrado tras la instalación"
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return 1
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fi
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version=$(wg --version 2>/dev/null | head -n1 || echo "unknown")
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_wg_log "wireguard-tools instalado: ${version}"
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# Cargar módulo kernel (no fatal: kernels >=5.6 lo incluyen built-in)
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if sudo modprobe wireguard 2>/dev/null; then
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_wg_log "Módulo kernel wireguard cargado"
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else
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_wg_log "WARN: modprobe wireguard falló (puede estar built-in en el kernel o requerir DKMS)"
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fi
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status="installed"
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printf '{"status":"%s","distro":"%s","version":"%s"}\n' "${status}" "${distro}" "${version}"
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return 0
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}
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