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mariadb: Check and fix datadir owner issues during upgrade

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If you are migrating to MariaDB package, you might have old datadir
stored somewhere using different setup with different users. If you
trust us enough to enable autoupgrade, you probably trust us enough to
chown your datadir as well. This can prevent some potential issues.

Signed-off-by: Michal Hrusecky <michal.hrusecky@turris.com>
This commit is contained in:
Michal Hrusecky 2022-01-13 15:04:57 +01:00
parent f535d77090
commit b41525cef4
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1 changed files with 6 additions and 0 deletions
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6
utils/mariadb/files/mysqld.init
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@ -152,6 +152,12 @@ start_service() {
# Migration from old versions
# shellcheck disable=SC2154
if [ "$(cat "$datadir"/.version 2> /dev/null)" \!= "$version" ] && [ "$autoupgrade" -gt 0 ]; then
# Check for correct owner
local owner="$(stat --format %U:%G "$datadir" 2> /dev/null)"
if [ -n "$owner" ] && [ "$owner" != "$my_user:$my_group" ]; then
chown -Rh "$my_user:$my_group" "$datadir"
fi
# Start upgrade instance without credentials
sudo -u "$my_user" mysqld --skip-networking --skip-grant-tables --socket=/tmp/mysql_upgrade.sock &
PID="$!"