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nfsserver: fix server scope functionality for both potentially other dropins AND multiple ExecStart

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(cherry picked from commit df5e54ee169c6528f07bcbba14f6ddd474e9f8ad)
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zouzhimin 2024-04-08 15:25:16 +08:00 committed by openeuler-sync-bot
parent ed9617934d
commit 2a37b296bc
2 changed files with 62 additions and 1 deletions
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57
nfsserver-fix-server-scope-functionality-for-both-po.patch Normal file
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@ -0,0 +1,57 @@
From a346aae4bee8f53354fa001141057a1c88743ef3 Mon Sep 17 00:00:00 2001
From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Tue, 26 Mar 2024 17:43:14 +0100
Subject: [PATCH] nfsserver: fix "server scope" functionality for both
potentially other dropins AND multiple ExecStart
986ebe18 (nfsserver: Fix NFSv4 lock failover: set NFS Server Scope (#1688), 2021-10-13)
Prefixes all `ExecStart=.*` with an unshare --uts.
It did not expect an existing "empty, resetting" `ExecStart=`, though,
and changed that as well. The attempt to fix that with
806e3fe9 (nfsserver: fix "server scope" functionality to live with additional drop-in files, 2023-02-15)
it wrong though: it only fixes the _last_ ExecStart found (`|tail -1`).
There may be more than one ExecStart (even though arguable some of them should be ExecStartPost).
Without the "only last line", it would be a valid fix,
though it would unnecessarily list irrelevant ExecStart lines as well.
My attempt to fix the fix:
Find the set of `ExecStart=...` lines after the last reset (`ExecStart=`), if any.
Edit in the "unshare uts" prefix into all of those lines.
(we could also patch only the line containing rpc.nfsd,
but I'm sure some distro will find creative ways to break our assumptions again)
---
heartbeat/nfsserver | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/heartbeat/nfsserver b/heartbeat/nfsserver
index 8838195a..5793d7a7 100755
--- a/heartbeat/nfsserver
+++ b/heartbeat/nfsserver
@@ -711,8 +711,17 @@ inject_unshare_uts_name_into_systemd_units ()
test -d "$dir" || mkdir -p "$dir"
test -e "$dropin" && rm -f "$dropin"
- # NOTE: additional ExecStart= might exist in the drop-in files, eg. openSUSE
- edited_exec_start=$(systemctl cat $svc | sed -ne "s#^ExecStart=\\([-+:!@]*\\)\\(.\+\\)#ExecStart=\\1/usr/bin/unshare --uts /bin/sh -c 'hostname \${NFS_SERVER_SCOPE}; exec \"\$@\"' -- \\2#p" | tail -1)
+ # NOTE: multiple ExecStart may exist,
+ # even additional `ExecStart=` to reset the list might exist in the drop-in files.
+ # We are interested in only the "currently relevant" set of ExecStart.
+ local unshare_uts_set_hostname='/usr/bin/unshare --uts /bin/sh -c '\''hostname ${NFS_SERVER_SCOPE}; exec "$@"'\'' -- '
+ edited_exec_start=$(systemctl cat $svc \
+ | sed -n \
+ -e '/^ExecStart=/ H;' \
+ -e '/^ExecStart=[[:space:]]*$/ {s/.*//;h};' \
+ -e '${g;s/^\n//;p}' \
+ | sed -e 's#^\(ExecStart=[-+:!@]*\)\(.\+\)#\1'"$unshare_uts_set_hostname"'\2#'
+ )
cat > "$dropin" <<___
[Service]
--
2.25.1

6
resource-agents.spec
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@ -1,7 +1,7 @@
Name: resource-agents
Summary: Open Source HA Reusable Cluster Resource Scripts
Version: 4.13.0
Release: 12
Release: 13
License: GPLv2+ and LGPLv2+
URL: https://github.com/ClusterLabs/resource-agents
Source0: https://github.com/ClusterLabs/resource-agents/archive/v%{version}.tar.gz
@ -17,6 +17,7 @@ Patch0008: Low-IPaddr2-Remove-stray-backslash.patch
Patch0009: Doc-Delay-Drop-old-comments.patch
Patch0010: portblock-accept-numeric-protocol-from-iptables.patch
Patch0011: all-agents-remove-S-state-status-that-are-either-ign.patch
Patch0012: nfsserver-fix-server-scope-functionality-for-both-po.patch
Obsoletes: heartbeat-resources <= %{version}
Provides: heartbeat-resources = %{version}
BuildRequires: automake autoconf pkgconfig gcc perl-interpreter perl-generators python3-devel
@ -114,6 +115,9 @@ export CFLAGS="$(echo '%{optflags}')"
%{_mandir}/man8/{ocf-tester.8*,ldirectord.8*}
%changelog
* Mon Apr 08 2024 zouzhimin <zouzhimin@kylinos.cn> - 4.13.0-13
- nfsserver: fix "server scope" functionality for both potentially other dropins AND multiple ExecStart
* Fri Mar 29 2024 zouzhimin <zouzhimin@kylinos.cn> - 4.13.0-12
- all agents: remove -S state/status that are either ignored