Files
warewulf/dracut/modules.d/90wwinit/load-wwinit.sh
Jonathon Anderson 0133a3eb46 Update dracut scripts, iPXE template, and GRUB config templates
- Update dracut scripts, iPXE template, and GRUB config templates to
  use new route paths and TLS-aware logic
- Minor troubleshooting doc cleanup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Jonathon Anderson <janderson@ciq.com>
2026-03-19 09:08:25 +01:00

102 lines
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#!/bin/bash
[ -z "${wwinit_root_device}" ] && return 0
# Resolve the server base URL and hardware address from kernel parameters.
# Supports two formats:
# New: wwinit.server=http://host:port (uses wwid kernel param for hwaddr)
# Legacy: wwinit.uri=http://host:port/provision/hwaddr (extracts hwaddr from path)
# wwinit.server takes precedence over wwinit.uri when both are present.
resolve_base() {
local val="${wwinit_server:-${wwinit_uri}}"
if echo "${val}" | grep -q '/provision/'; then
# Legacy: http://host:port/provision/hwaddr
ww_base="${val%%/provision/*}"
ww_hwaddr="${val##*/provision/}"
else
# New: http://host:port
ww_base="${val}"
ww_hwaddr="$(getarg wwid)"
fi
}
resolve_base
get_stage() {
stage="${1}"
base="${2:-${ww_base}}"
cacert="${3}"
info "warewulf: loading stage: ${stage}"
# Load runtime overlay from a static privledged port.
# Others use default settings.
localport=""
if [ "${stage}" = "runtime" ]; then
localport="--local-port 1-1023"
fi
cacert_opt=""
if [ -n "${cacert}" ]; then
cacert_opt="--cacert ${cacert}"
fi
local hwaddr="${ww_hwaddr}"
case "${stage}" in
image) uri="${base}/image/${hwaddr}" ;;
system) uri="${base}/system/${hwaddr}" ;;
runtime) uri="${base}/runtime/${hwaddr}" ;;
esac
(
curl --location --silent --get ${localport} ${cacert_opt} \
--retry 60 --retry-connrefused --retry-delay 1 \
--data-urlencode "assetkey=${wwinit_assetkey}" \
--data-urlencode "uuid=${wwinit_uuid}" \
--data-urlencode "compress=gz" \
"${uri}" \
| gzip -d \
| cpio -ium --directory="${NEWROOT}"
)
}
mkdir /tmp/wwinit
(
# fetch the system overlay into /tmp/wwinit
local NEWROOT=/tmp/wwinit
get_stage "system" || die "Unable to load stage: system"
)
if [ -x /tmp/wwinit/warewulf/run-wwinit.d ]; then
PREFIX=/tmp/wwinit /tmp/wwinit/warewulf/run-wwinit.d
fi
info "warewulf: mounting ${wwinit_root_device} at ${NEWROOT}"
(
if [ "${wwinit_root_device}" = "tmpfs" ]; then
mount -t tmpfs -o mpol=interleave ${wwinit_tmpfs_size_option} "${wwinit_root_device}" "${NEWROOT}"
else
mount "${wwinit_root_device}" "${NEWROOT}"
fi
) || die "warewulf: failed to mount ${wwinit_root_device} at ${NEWROOT}"
for stage in "image" "system"; do
get_stage "${stage}" || die "Unable to load stage: ${stage}"
done
# Fetch runtime overlay (non-fatal)
# Source config from system overlay for TLS settings
. /tmp/wwinit/warewulf/config
cert_file="/tmp/wwinit/warewulf/tls/warewulf.crt"
if [ "${WWTLS}" = "true" ] && [ -f "$cert_file" ]; then
# TLS enabled: build HTTPS base URL using server address from kernel cmdline
# (mirrors wwclient URL construction in internal/app/wwclient/root.go)
tls_base="https://${WWIPADDR}:${WWTLSPORT}"
get_stage "runtime" "${tls_base}" "${cert_file}" || warn "warewulf: unable to load runtime overlay over HTTPS (ignored)"
else
# No TLS: fetch runtime over HTTP
get_stage "runtime" || warn "warewulf: unable to load runtime overlay (ignored)"
fi
# Copy /warewulf/run from initramfs to NEWROOT
# This preserves state files created by wwinit.d scripts (e.g., ignition marker)
if [ -d /tmp/wwinit/warewulf/run ]; then
info "warewulf: preserving /warewulf/run to mounted root"
mkdir -p "${NEWROOT}/warewulf"
cp -a /tmp/wwinit/warewulf/run "${NEWROOT}/warewulf/"
fi