60 lines
2.7 KiB
Bash
60 lines
2.7 KiB
Bash
|
#!/usr/bin/env bash
|
||
|
|
# One-time host setup: install Incus, create the isolated network + ACL and
|
||
|
|
# the claude-dev profile. Idempotent. Ubuntu 24.04 / Debian 13.
|
||
|
|
set -euo pipefail
|
||
|
|
|
||
|
|
here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
|
||
|
|
|
||
|
|
if ! command -v incus >/dev/null; then
|
||
|
|
sudo apt-get update
|
||
|
|
sudo apt-get install -y incus
|
||
|
|
fi
|
||
|
|
|
||
|
|
if ! id -nG "$USER" | grep -qw incus-admin; then
|
||
|
|
sudo usermod -aG incus-admin "$USER"
|
||
|
|
echo "NOTE: added $USER to incus-admin — re-login (or 'sg incus-admin') and re-run."
|
||
|
|
exit 0
|
||
|
|
fi
|
||
|
|
|
||
|
|
# Storage pool + base config (safe to re-run; init is a no-op if configured)
|
||
|
|
incus storage show default >/dev/null 2>&1 || incus admin init --minimal
|
||
|
|
|
||
|
|
# Isolated NAT network. IPv6 off: one less egress path to reason about.
|
||
|
|
incus network show claudenet >/dev/null 2>&1 || incus network create claudenet \
|
||
|
|
ipv4.address=10.87.0.1/24 ipv4.nat=true ipv6.address=none
|
||
|
|
|
||
|
|
# ACL: default egress allow (internet), explicit drops for private space.
|
||
|
|
# Gateway carve-out first so instance DNS (dnsmasq on 10.87.0.1) survives.
|
||
|
|
if ! incus network acl show claude-isolate >/dev/null 2>&1; then
|
||
|
|
incus network acl create claude-isolate
|
||
|
|
incus network acl rule add claude-isolate egress action=allow destination=10.87.0.1/32
|
||
|
|
incus network acl rule add claude-isolate egress action=drop destination=10.0.0.0/8
|
||
|
|
incus network acl rule add claude-isolate egress action=drop destination=172.16.0.0/12
|
||
|
|
incus network acl rule add claude-isolate egress action=drop destination=192.168.0.0/16
|
||
|
|
incus network acl rule add claude-isolate egress action=drop destination=169.254.0.0/16
|
||
|
|
incus network acl rule add claude-isolate egress action=drop destination=100.64.0.0/10
|
||
|
|
fi
|
||
|
|
incus network set claudenet security.acls=claude-isolate \
|
||
|
|
security.acls.default.egress.action=allow \
|
||
|
|
security.acls.default.ingress.action=drop
|
||
|
|
|
||
|
|
# --- Firewall coexistence ---------------------------------------------------
|
||
|
|
# Hosts running UFW (INPUT drop) and/or Docker (FORWARD drop) silently eat
|
||
|
|
# claudenet traffic. Punch minimal, ordered holes; the Incus ACL still layers
|
||
|
|
# on top. The trailing deny also blocks instance -> host's own (public) IPs,
|
||
|
|
# which the RFC1918-only ACL cannot express. Rules live in
|
||
|
|
# claudebox-firewall.sh; a boot-time systemd unit re-applies the runtime-only
|
||
|
|
# parts (nft table, DOCKER-USER) after every reboot.
|
||
|
|
sudo install -m 755 "$here/host/claudebox-firewall.sh" /usr/local/sbin/claudebox-firewall
|
||
|
|
sudo install -m 644 "$here/host/claudebox-firewall.service" /etc/systemd/system/
|
||
|
|
sudo systemctl daemon-reload
|
||
|
|
sudo systemctl enable --now claudebox-firewall.service
|
||
|
|
|
||
|
|
# Profile
|
||
|
|
if ! incus profile show claude-dev >/dev/null 2>&1; then
|
||
|
|
incus profile create claude-dev
|
||
|
|
fi
|
||
|
|
incus profile edit claude-dev < "$here/profiles/claude-dev.yaml"
|
||
|
|
|
||
|
|
echo "Host ready. Launch with: claudebox new --name <box>"
|