forked from heavy-duty/box
claude-hdb
69eff180d4
A stock Debian 13 cloud image ships neither, so the no-UFW firewall path died on its first nft call — on exactly the kind of fresh cloud host the tool targets. Found by the drill; the drill's manual workaround becomes a regression tripwire. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
64 lines
3 KiB
Bash
Executable file
64 lines
3 KiB
Bash
Executable file
#!/usr/bin/env bash
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# One-time host setup: install Incus, create the isolated network + ACL and
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# the claude-dev profile. Idempotent. Ubuntu 24.04 / Debian 13.
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set -euo pipefail
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here="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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if ! command -v incus >/dev/null; then
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sudo apt-get update
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sudo apt-get install -y incus
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fi
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if ! id -nG "$USER" | grep -qw incus-admin; then
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sudo usermod -aG incus-admin "$USER"
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echo "NOTE: added $USER to incus-admin — re-login (or 'sg incus-admin') and re-run."
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exit 0
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fi
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# Storage pool + base config (safe to re-run; init is a no-op if configured)
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incus storage show default >/dev/null 2>&1 || incus admin init --minimal
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# Isolated NAT network. IPv6 off: one less egress path to reason about.
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incus network show claudenet >/dev/null 2>&1 || incus network create claudenet \
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ipv4.address=10.87.0.1/24 ipv4.nat=true ipv6.address=none
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# ACL: default egress allow (internet), explicit drops for private space.
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# Gateway carve-out first so instance DNS (dnsmasq on 10.87.0.1) survives.
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if ! incus network acl show claude-isolate >/dev/null 2>&1; then
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incus network acl create claude-isolate
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incus network acl rule add claude-isolate egress action=allow destination=10.87.0.1/32
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incus network acl rule add claude-isolate egress action=drop destination=10.0.0.0/8
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incus network acl rule add claude-isolate egress action=drop destination=172.16.0.0/12
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incus network acl rule add claude-isolate egress action=drop destination=192.168.0.0/16
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incus network acl rule add claude-isolate egress action=drop destination=169.254.0.0/16
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incus network acl rule add claude-isolate egress action=drop destination=100.64.0.0/10
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fi
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incus network set claudenet security.acls=claude-isolate \
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security.acls.default.egress.action=allow \
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security.acls.default.ingress.action=drop
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# --- Firewall coexistence ---------------------------------------------------
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# Hosts running UFW (INPUT drop) and/or Docker (FORWARD drop) silently eat
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# claudenet traffic. Punch minimal, ordered holes; the Incus ACL still layers
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# on top. The trailing deny also blocks instance -> host's own (public) IPs,
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# which the RFC1918-only ACL cannot express. Rules live in
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# claudebox-firewall.sh; a boot-time systemd unit re-applies the runtime-only
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# parts (nft table, DOCKER-USER) after every reboot.
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# The no-UFW path drives nft directly, and a stock Debian 13 cloud image ships
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# neither nftables nor UFW — install the dependency we are about to use.
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if ! command -v ufw >/dev/null 2>&1 && ! command -v nft >/dev/null 2>&1; then
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sudo apt-get install -y nftables
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fi
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sudo install -m 755 "$here/host/claudebox-firewall.sh" /usr/local/sbin/claudebox-firewall
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sudo install -m 644 "$here/host/claudebox-firewall.service" /etc/systemd/system/
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sudo systemctl daemon-reload
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sudo systemctl enable --now claudebox-firewall.service
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# Profile
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if ! incus profile show claude-dev >/dev/null 2>&1; then
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incus profile create claude-dev
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fi
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incus profile edit claude-dev < "$here/profiles/claude-dev.yaml"
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echo "Host ready. Launch with: claudebox new --name <box>"
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