matthewtran.com/scripts/provision.py
Matthew Tran 32366a797e wip
2025-04-19 02:24:10 -07:00

120 lines
3.5 KiB
Python
Executable File

#!/usr/bin/env python3
import json
import subprocess
import yaml
if __name__ == "__main__":
cfg = json.load(open("config/server.json"))
but = {
"variant": "fcos",
"version": "1.6.0",
}
# configure root drive
but["storage"] = {
"disks": [
{
"device": "/dev/disk/by-id/coreos-boot-disk",
"wipe_table": False,
"partitions": [
{
"number": 4,
"label": "root",
"size_mib": 16384,
"resize": True,
},
{
"label": "var",
"size_mib": 0,
},
],
},
],
"filesystems": [
{
"device": "/dev/disk/by-partlabel/root",
"format": "btrfs",
"wipe_filesystem": True,
"label": "root",
},
{
"path": "/var",
"device": "/dev/disk/by-partlabel/var",
"format": "btrfs",
"wipe_filesystem": cfg["core"]["var_wipe"],
"with_mount_unit": True,
},
],
}
# set hostname
but["storage"]["files"] = [
{
"path": "/etc/hostname",
"mode": 0o644,
"contents": {
"inline": cfg["core"]["hostname"],
},
},
]
# add SSH keys
assert(len(cfg["core"]["ssh_keys"]) > 0)
but["passwd"] = {
"users": [
{
"name": "core",
"ssh_authorized_keys": cfg["core"]["ssh_keys"],
},
],
}
# add packages
# TODO update once done https://github.com/coreos/fedora-coreos-tracker/issues/681
but["systemd"] = {
"units": [
{
"name": "rpm-ostree-install.service",
"enabled": True,
"contents": "\n".join([
"[Unit]",
"Description=Install packages",
"Wants=network-online.target",
"After=network-online.target",
"Before=zincati.service",
"ConditionPathExists=!/etc/rpm/%N.stamp",
"[Service]",
"Type=oneshot",
"RemainAfterExit=yes",
"ExecStart=/usr/bin/rpm-ostree install -y --allow-inactive " + " ".join([
"avahi",
"htop",
]),
"ExecStart=/bin/touch /etc/rpm/%N.stamp",
"ExecStart=/bin/systemctl --no-block reboot",
"[Install]",
"WantedBy=multi-user.target",
]),
},
],
}
# TODO encrypt /var w/ key (root w/ tpm)
# TODO add additional drives (raid?)
# TODO make server build images on first boot?
# TODO serve backup.zip to restore on first boot? only if wipe specified
# TODO convert all to quadlets? whatever compose likes
# TODO enable bedrock => check idle cpu
# TODO reduce disk logging?
with open("config/server.bu", "w") as f:
f.write(yaml.dump(but, sort_keys=False))
subprocess.check_output(["butane", "-p", "-s", "-o", "config/server.ign", "config/server.bu"])
print("WARNING - Using unencrypted connections without authentication, ensure LAN is secure!")