#!/bin/sh
# Docker daemon settings for Alpine builder nodes (cast01+).
# Alpine LTS kernel may lack overlay module; bridge creation can fail on lab VMs.
# Use vfs storage + bridge:none + host networking in docker-build-runner.sh.
set -eu
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
# shellcheck source=/dev/null
. "$ROOT/scripts/lib/common.sh"
load_cluster_env

DAEMON="/etc/docker/daemon.json"
mkdir -p /etc/docker

log "configure docker builder daemon → ${DAEMON}"
cat > "${DAEMON}" <<'JSON'
{
  "iptables": false,
  "ip6tables": false,
  "bridge": "none",
  "storage-driver": "vfs"
}
JSON

rc-service docker restart 2>/dev/null || rc-service docker start 2>/dev/null || true
sleep 2
if docker info >/dev/null 2>&1; then
  log "docker OK storage=$(docker info 2>/dev/null | awk -F': ' '/Storage Driver/{print $2}')"
else
  log "WARN docker info failed after restart"
fi
log "configure-docker-builder_ok $(host_short)"