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install-docker.sh
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executable file
·83 lines (65 loc) · 2.28 KB
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#!/usr/bin/env bash
set -Eeuo pipefail
SCRIPT_NAME="$(basename "$0")"
TARGET_USER="${1:-}"
export DEBIAN_FRONTEND=noninteractive
log() { printf '[*] %s\n' "$*"; }
warn() { printf '[!] %s\n' "$*" >&2; }
die() { printf '[x] %s\n' "$*" >&2; exit 1; }
trap 'warn "Erreur à la ligne ${BASH_LINENO[0]}: commande '\''${BASH_COMMAND}'\''"' ERR
usage() {
cat <<EOF
Usage:
$SCRIPT_NAME <main_user>
Exemple:
sudo bash $SCRIPT_NAME robin
Ce script :
- installe Docker Engine (repo officiel Docker)
- installe Docker Compose plugin
- ajoute <main_user> au groupe docker
EOF
}
require_root() {
[[ "${EUID}" -eq 0 ]] || die "Ce script doit être exécuté en root."
}
require_user_arg() {
if [[ -z "${TARGET_USER}" ]]; then
usage
exit 1
fi
id "${TARGET_USER}" >/dev/null 2>&1 || die "Utilisateur introuvable : ${TARGET_USER}"
}
main() {
require_root
require_user_arg
log "Suppression d'anciens paquets Docker éventuels"
for pkg in docker.io docker-doc docker-compose podman-docker containerd runc; do
apt-get remove -y "$pkg" 2>/dev/null || true
done
log "Installation des dépendances"
apt-get update
apt-get install -y ca-certificates curl gnupg
log "Ajout du dépôt officiel Docker"
install -m 0755 -d /etc/apt/keyrings
if [[ ! -f /etc/apt/keyrings/docker.asc ]]; then
curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc
chmod a+r /etc/apt/keyrings/docker.asc
fi
local arch codename
arch="$(dpkg --print-architecture)"
codename="$(. /etc/os-release && echo "${VERSION_CODENAME}")"
cat > /etc/apt/sources.list.d/docker.list <<REPO
deb [arch=${arch} signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian ${codename} stable
REPO
log "Installation de Docker Engine + Compose"
apt-get update
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
log "Activation du service Docker"
systemctl enable --now docker
log "Ajout de ${TARGET_USER} au groupe docker"
usermod -aG docker "${TARGET_USER}"
log "Docker installé avec succès."
docker --version
log "L'utilisateur ${TARGET_USER} pourra utiliser docker sans sudo après re-login."
}
main "$@"