e70cf36ef5
This commit creates pre and post hook directories in
debian package. It adds pre and post hook script support
to be executed before and after crash dump collection
respectively. It executes scripts in alphabetical order
from hook directories.
The implementation ensures that any script failure during execution
does not affect the kdump crash dump collection process.
Pre-hook (/etc/kdump/pre-hooks.d/) scripts execute before vmcore
collection.
Post-hook (/etc/kdump/post-hooks.d/) scripts execute after
successful vmcore collection.
Test Plan:
Pass: Trigger crashdump on AIO-SX and verify pre and post
dump scripts are executed
* Verify in absence of scripts and directory, dump is still
created
* Verify if prehook and posthook scripts fail, dump is still
created
* Verify scripts are executed in alphabetical order. Orders
verified with prefix 001, 002 ,010 etc and 1, 2, 10, 3 etc
Pass: Trigger crashdump on standard with storage configuration
and verify pre and post dump scripts are executed
* Verify pre and post scripts executed in controller node
* Verify pre and post scripts executed in compute node
* Verify pre and post scripts executed in storage node
Story: 2011594
Task: 53062
Change-Id: Ia6b93ec61d9b5267ca91fc4528b6e74e9493ffc4
Signed-off-by: sshathee <shunmugam.shatheesh@windriver.com>
84 lines
2.7 KiB
Diff
84 lines
2.7 KiB
Diff
From 58a2ed10e5f53a2ce568e351458309b7b5cadae5 Mon Sep 17 00:00:00 2001
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From: sshathee <shunmugam.shatheesh@windriver.com>
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Date: Thu, 6 Nov 2025 15:41:56 +0000
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Subject: [PATCH] Pre and post hook support for kdump
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This commit creates pre and post hook directories in
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debian package. It adds pre and post hook script support
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to be executed before and after crash dump collection
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respectively. It executes scripts in alphabetical order
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from hook directories.
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The implementation ensures that any script failure during execution
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does not affect the kdump crash dump collection process.
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Pre-hook (/etc/kdump/pre-hooks.d/) scripts execute before vmcore
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collection.
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Post-hook (/etc/kdump/post-hooks.d/) scripts execute after
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successful vmcore collection.
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Signed-off-by: sshathee <shunmugam.shatheesh@windriver.com>
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---
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debian/kdump-tools.dirs | 2 ++
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debian/kdump-tools.init | 26 ++++++++++++++++++++++++++
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2 files changed, 28 insertions(+)
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diff --git a/debian/kdump-tools.dirs b/debian/kdump-tools.dirs
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index fd402eb..8b03768 100644
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--- a/debian/kdump-tools.dirs
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+++ b/debian/kdump-tools.dirs
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@@ -1,2 +1,4 @@
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etc/kdump
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var/lib/kdump
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+etc/kdump/pre-hooks.d
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+etc/kdump/post-hooks.d
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diff --git a/debian/kdump-tools.init b/debian/kdump-tools.init
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index 9381e54..d9c28cc 100755
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--- a/debian/kdump-tools.init
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+++ b/debian/kdump-tools.init
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@@ -21,6 +21,8 @@ export NAME
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VMCORE_FILE=/proc/vmcore
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KDUMP_SCRIPT=/usr/sbin/kdump-config
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KDUMP_DEFAULTS=/etc/default/kdump-tools
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+PRE_HOOKS=/etc/kdump/pre-hooks.d
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+POST_HOOKS=/etc/kdump/post-hooks.d
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[ -r $KDUMP_DEFAULTS ] && . $KDUMP_DEFAULTS
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[ "$USE_KDUMP" -ne 0 ] || exit 0;
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@@ -32,9 +34,33 @@ case "$1" in
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#
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if [ -e $VMCORE_FILE ] && [ -s $VMCORE_FILE ]; then
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printf "Starting %s: " "$DESC"
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+
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+ # Run pre-dump scripts if they exist, in alphabetical order
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+ # Recommended naming: 001-script-name, 002-script-name, etc.
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+ if [ -d "${PRE_HOOKS}" ] && [ -n "$(ls -A "${PRE_HOOKS}" 2>/dev/null)" ]; then
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+ for script in $(ls "${PRE_HOOKS}"/* 2>/dev/null | sort -V); do
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+ if [ -x "${script}" ] && [ -f "${script}" ]; then
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+ echo "Running pre-dump script: ${script}"
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+ "${script}" || true
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+ fi
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+ done
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+ fi
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+
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if ! $KDUMP_SCRIPT savecore && [ -n "$KDUMP_FAIL_CMD" ] ; then
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$KDUMP_FAIL_CMD ;
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else
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+ # Run post-dump scripts if they exist, in alphabetical order
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+ # Recommended naming: 001-script-name, 002-script-name, etc.
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+ if [ -d "${POST_HOOKS}" ] && \
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+ [ -n "$(ls -A "${POST_HOOKS}" 2>/dev/null)" ]; then
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+ for script in $(ls "${POST_HOOKS}"/* 2>/dev/null | sort -V); do
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+ if [ -x "${script}" ] && [ -f "${script}" ]; then
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+ echo "Running post-dump script: ${script}"
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+ "${script}" || true
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+ fi
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+ done
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+ fi
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+
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date -R ;
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reboot -f ;
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fi
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--
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2.34.1
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