b98eae4b01
- Control root device using the node/profile root field - Add support for `/warewulf/wwinit.d` to run scripts during first stage - Move first-stage ignition support to `/warewulf/wwinit.d/` - Add `wwctl <node|profile> set --parttype` - Add overlay template functions `SystemdEscape` and `SystemdEscapePath` - Support configuring ignition with resources Signed-off-by: Jonathon Anderson <janderson@ciq.com>
66 lines
2.0 KiB
Bash
Executable File
66 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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if ! command -v info >/dev/null; then
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info() {
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printf '%s\n' "$*"
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}
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fi
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if ! command -v die >/dev/null; then
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die() {
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printf '%s\n' "$*" >&2
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echo
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echo "Rebooting in 1 minute..."
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sleep 60
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echo b > /proc/sysrq-trigger || /sbin/reboot -f
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}
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fi
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info "warewulf: running pre-init wwinit process..."
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info "warewulf: mounting kernel file systems..."
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mountpoint -q /proc || (mkdir -p /proc && mount -t proc proc /proc && echo "Mounted /proc")
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mountpoint -q /dev || (mkdir -p /dev && mount -t devtmpfs devtmpfs /dev && echo "Mounted /dev")
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mountpoint -q /sys || (mkdir -p /sys && mount -t sysfs sysfs /sys && echo "Mounted /sys")
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# https://systemd.io/INITRD_INTERFACE/
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mountpoint -q /run || (mkdir -p /run && mount -t tmpfs -o mode=0755,nodev,nosuid,strictatime tmpfs /run && echo "Mounted /run")
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info "warewulf: loading /warewulf/config..."
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if [ -f "/warewulf/config" ]; then
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. /warewulf/config
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else
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die "warewulf: ERROR: /warewulf/config not found"
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fi
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if [ -x /warewulf/run-wwinit.d ]; then
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/warewulf/run-wwinit.d
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fi
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NEXT_INIT=/warewulf/run-init
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chmod +rx "${NEXT_INIT}"
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info "warewulf: configuring root file system..."
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WWROOT="${WWROOT:-initramfs}"
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if [ "${WWROOT}" = "initramfs" ]; then
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info "warewulf: using initial rootfs and invoking ${NEXT_INIT}..."
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exec "${NEXT_INIT}"
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else
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mkdir /newroot
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info "warewulf: mounting ${WWROOT} at /newroot"
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if [ "${WWROOT}" = "ramfs" -o "${WWROOT}" = "tmpfs" ]; then
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mount wwroot /newroot -t ${WWROOT} -o mpol=interleave # mpol ignored for ramfs
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else
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mount ${WWROOT} /newroot
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fi
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info "warewulf: copying image to /newroot..."
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tar -cf - --exclude ./proc --exclude ./sys --exclude ./dev --exclude --exclude ./newroot . | tar -xf - -C /newroot
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mkdir /newroot/proc /newroot/dev /newroot/sys 2>/dev/null
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info "warewulf: switching to /newroot and invoking ${NEXT_INIT}..."
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exec /sbin/switch_root /newroot "${NEXT_INIT}"
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fi
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die "warewulf: ERROR: wwinit encountered a problem."
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