Files
ubuntu-autoinstaller/scripts/post-install.sh
Zsolt Alföldi f8aa6f8b9f init
2026-02-25 11:18:24 +01:00

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#!/usr/bin/env bash
# scripts/post-install.sh
# Runs inside the installed system after base Ubuntu install.
# Called by autoinstall late-commands as: curtin in-target -- bash /post-install.sh
set -euo pipefail
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'
info() { echo -e "${GREEN}[+]${NC} $*"; }
warn() { echo -e "${YELLOW}[!]${NC} $*"; }
error() {
echo -e "${RED}[✗]${NC} $*"
exit 1
}
# ─── DOCKER ──────────────────────────────────────────────────────────────────
info "Installing Docker..."
install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg |
gpg --dearmor -o /etc/apt/keyrings/docker.gpg
chmod a+r /etc/apt/keyrings/docker.gpg
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] \
https://download.docker.com/linux/ubuntu \
$(. /etc/os-release && echo "$VERSION_CODENAME") stable" \
>/etc/apt/sources.list.d/docker.list
apt-get update -qq
apt-get install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
usermod -aG docker alfoldi
systemctl enable docker
info "Docker installed."
# ─── HIMMELBLAU (Azure Entra ID) ─────────────────────────────────────────────
info "Installing Himmelblau..."
curl -fsSL https://packages.himmelblau-idm.org/stable/himmelblau.list |
tee /etc/apt/sources.list.d/himmelblau.list
apt-get update -qq
apt-get install -y himmelblau himmelblau-sshd-config
info "Himmelblau installed."
# ─── NIX + HOME-MANAGER ──────────────────────────────────────────────────────
info "Installing Nix (single-user) for alfoldi..."
sudo -u alfoldi bash -c \
"curl -L https://nixos.org/nix/install | sh -s -- --no-daemon"
info "Adding home-manager channel..."
sudo -u alfoldi bash -c "
source /home/alfoldi/.nix-profile/etc/profile.d/nix.sh
nix-channel --add https://github.com/nix-community/home-manager/archive/release-24.05.tar.gz home-manager
nix-channel --update
"
info "Installing home-manager..."
sudo -u alfoldi bash -c "
source /home/alfoldi/.nix-profile/etc/profile.d/nix.sh
nix-shell '<home-manager>' -A install
"
info "Nix + home-manager installed."
# ─── SSH ─────────────────────────────────────────────────────────────────────
info "Enabling SSH..."
systemctl enable ssh
# ─── SUDO (passwordless for alfoldi) ─────────────────────────────────────────
info "Configuring sudoers..."
echo 'alfoldi ALL=(ALL) NOPASSWD:ALL' >/etc/sudoers.d/alfoldi
chmod 440 /etc/sudoers.d/alfoldi
info "Post-install complete ✓"