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all: Allow multiple config files

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This is somewhat an intrusive change, but necessary if we want
to upstream the kdump tooling while allowing great extent of
customizations on SteamOS.

With this change, we have now a kdump.d folder on /usr/share,
that holds configuration files in the same way sysctl.d does.
In other words, we can easily override default settings by
just having more configuration files, which are sourced
following natural name sorting, i.e., we have now the concept
of config file precedence in kdump.

Our default config file is called 00-default, so we eventually
might have a 01-steamos e.g., with Deck's custom settings.
This is planned to other package though.

Signed-off-by: Guilherme G. Piccoli <gpiccoli@igalia.com>
This commit is contained in:
Guilherme G. Piccoli
2022-11-24 19:29:18 -03:00
parent ab0e82aed6
commit 184217373b
6 changed files with 55 additions and 25 deletions
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18
kdump-load.sh
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@ -78,14 +78,22 @@ cleanup_unused_initrd() {
rm -f "${INSTALLED_KERNELS}"
}
# Load the necessary external variables, otherwise it'll fail later.
HAVE_CFG_FILES=0
shopt -s nullglob
for cfg in "/usr/share/kdump.d"/*; do
if [ -f "$cfg" ]; then
. "$cfg"
HAVE_CFG_FILES=1
fi
done
shopt -u nullglob
if [ ! -s "/usr/share/kdump/kdump.conf" ]; then
logger "kdump: /usr/share/kdump/kdump.conf is missing, aborting."
exit 0
if [ ${HAVE_CFG_FILES} -eq 0 ]; then
logger "kdump: no config files in /usr/share/kdump.d/ - aborting."
exit 1
fi
. /usr/share/kdump/kdump.conf
# Find the proper mount point expected for kdump collection:
DEVN_MOUNTED="$(findmnt "${MOUNT_DEVNODE}" -fno TARGET)"