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Bug 41353: koha-dump failing on mysqldump PROCESS privileges 

Problem:
Starting from MySQL 5.7.31 and MySQL 8.0.20, mysqldump requires the
PROCESS privilege to access tablespace metadata by default. Without
this privilege, backup operations fail with permission errors.

Solution:
Add the --no-tablespaces flag to the dbflag variable. This prevents
mysqldump from attempting to access tablespace metadata, allowing
backups to complete successfully without requiring the PROCESS privilege.

Test Plan:
  1. Set up a MySQL instance (5.7.31+ or 8.0.20+) without PROCESS privilege for the Koha database user
  2. Run the koha-dump script for a Koha instance:
     sudo koha-dump kohadev
  3. Notice the backup fails with a PROCESS privilege error
  4. Apply the patch
  5. Copy debian/scripts/koha-dump to /usr/sbin/koha-dump
  6. Repeat step 2
  7. Notice the backup now completes successfully without permission errors
  8. Test restoring the dump to ensure it's valid:
     zcat /var/spool/koha/kohadev/kohadev-<date>.sql.gz | tail
  9. Sign-off

Signed-off-by: David Nind <david@davidnind.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
This commit is contained in:
Saiful Amin 2026-02-26 13:59:44 +00:00 committed by Lucas Gass
parent b74f544231
commit 1f325d5799
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2
debian/scripts/koha-dump vendored
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@ -76,7 +76,7 @@ dump_instance()
backupdir="$( xmlstarlet sel -t -v 'yazgfs/config/backupdir' $kohaconfig || true )" backupdir="$( xmlstarlet sel -t -v 'yazgfs/config/backupdir' $kohaconfig || true )"
[ -z "$backupdir" ] && backupdir="/var/spool/koha/$name" [ -z "$backupdir" ] && backupdir="/var/spool/koha/$name"
dbdump="$backupdir/$name-$date.sql.gz" dbdump="$backupdir/$name-$date.sql.gz"
dbflag="--databases" dbflag="--no-tablespaces --databases"
[ "$without_db_name" = "yes" ] && dbflag="" [ "$without_db_name" = "yes" ] && dbflag=""
if [ "$schema_only" = "yes" ] if [ "$schema_only" = "yes" ]
then then