52 lines
1.7 KiB
Bash
52 lines
1.7 KiB
Bash
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build() {
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load_kdump_config
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# A valid makedumpfile is essential for the kdump initrd creation.
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if ! command -v makedumpfile 1>/dev/null; then
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logger "kdump: failed to create minimal initrd, makedumpfile is missing"
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exit 1
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fi
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add_binary /usr/bin/date
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add_binary /usr/bin/sync
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add_binary "$(command -v makedumpfile)"
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# Copying kdump config/lib files is essential for a functional kdump.
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add_full_dir /usr/share/kdump.d/
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add_full_dir /usr/lib/kdump/
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# We need to derive the proper place to save the dump from the
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# config files, in a way that makes possible to mount it in early boot.
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DEVNODE="$(findmnt -n -o SOURCE --target "${MOUNT_FOLDER}")"
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if [ -z "${DEVNODE}" ]; then
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logger "kdump: error on devnode discovery"
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exit 1
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fi
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echo "${DEVNODE}" > "${BUILDROOT}"/usr/lib/kdump/kdump.mnt
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TGT="$(findmnt -n -o TARGET --target "${MOUNT_FOLDER}")"
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if [ -z "${TGT}" ]; then
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logger "kdump: error on base folder discovery"
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exit 1
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fi
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BASE_FLD="${MOUNT_FOLDER#*$TGT}"
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echo "${BASE_FLD}" > "${BUILDROOT}"/usr/lib/kdump/kdump.dir
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# Finally, we shouldn't have DRM/GPU drivers and firmwares here,
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# but...just in case, let's remove all of that nevertheless.
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# Our list includes the most common FWs/drivers (amd, i915, nvidia).
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rm -rf "${BUILDROOT}"/usr/lib/firmware/{amdgpu,i915,nvidia,radeon}
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rm -rf "${BUILDROOT}"/usr/lib/modules/*/kernel/drivers/gpu/drm/{amd,i915,nouveau,radeon}
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add_runscript
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}
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help() {
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cat <<HELPEOF
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This hook is responsible for creating the minimal kdump initramfs.
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HELPEOF
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}
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# vim: set ft=sh ts=4 sw=4 et:
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