Blame SOURCES/kvm-redhat-link-etc-qemu-ga-fsfreeze-hook-to-etc-qemu-kv.patch

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From b07219611480dd4a37b2476604a1cec35c812216 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
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Date: Wed, 23 Dec 2020 12:29:24 -0500
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Subject: [PATCH 1/5] redhat: link /etc/qemu-ga/fsfreeze-hook to /etc/qemu-kvm/
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Marc-André Lureau <marcandre.lureau@redhat.com>
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Message-id: <20201223122924.341944-1-marcandre.lureau@redhat.com>
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Patchwork-id: 100496
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O-Subject: [RHEL-8.4.0 qemu-kvm PATCH] redhat: link /etc/qemu-ga/fsfreeze-hook to /etc/qemu-kvm/
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Bugzilla: 1910267
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Danilo de Paula <ddepaula@redhat.com>
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From: Danilo de Paula <ddepaula@redhat.com>
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BZ: 1910267
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BRANCH: rhel-8.4.0
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UPSTREAM: RHEL-only
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BREW: 33929331
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When qemu-ga was introduced to RHEL-8, we used the qemu-guest-agent
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from RHEL-7 as base.
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In RHEL-7, qemu-guest-agent is built as standalone package.
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It's built as "qemu-ga", hence the "qemu-ga" folders.
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For RHEL-8, that should have been renamed to qemu-kvm, but I missed it.
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Renaming those folders to /etc/qemu-kvm is a no go today, because
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users might have populated the /etc/qemu-ga/fsfreeze-hook.d folder.
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So, in order to make qemu-ga -F works in RHEL-8, a link is being
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created in the expected place, pointing to the real one.
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Also, fsfreeze-hook opens up the fsfreeze-hook.d on the same PATH where
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it is stored. However, it doesn't follow symlinks. In order to fix this,
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I had to change it to make sure it follows the link.
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An option would be to also link the fsfreeze-hook.d folder, but I choose
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not to do so as it creates a permanent/visible change in users
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environments. The downside is to keep another downstream-only change.
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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[ cherry-picked from commit 020501879841afb788087f0455df79367c0337a0 ]
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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 redhat/qemu-kvm.spec.template          | 6 ++++++
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 scripts/qemu-guest-agent/fsfreeze-hook | 2 +-
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 2 files changed, 7 insertions(+), 1 deletion(-)
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diff --git a/scripts/qemu-guest-agent/fsfreeze-hook b/scripts/qemu-guest-agent/fsfreeze-hook
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index 13aafd48451..e9b84ec0284 100755
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--- a/scripts/qemu-guest-agent/fsfreeze-hook
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+++ b/scripts/qemu-guest-agent/fsfreeze-hook
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@@ -8,7 +8,7 @@
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 # request, it is issued with "thaw" argument after filesystem is thawed.
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 LOGFILE=/var/log/qga-fsfreeze-hook.log
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-FSFREEZE_D=$(dirname -- "$0")/fsfreeze-hook.d
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+FSFREEZE_D=$(dirname -- "$(realpath $0)")/fsfreeze-hook.d
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 # Check whether file $1 is a backup or rpm-generated file and should be ignored
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 is_ignored_file() {
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-- 
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2.27.0
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