[PATCH 4/7] backup.pl: Update to migrate rrd directories for collectd-5.x

[Adolf Belka <adolf.belka@ipfire.org>]

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Tested-by: Adolf Belka <adolf.belka(a)ipfire.org>
Signed-off-by: Adolf Belka <adolf.belka(a)ipfire.org>
---
 config/backup/backup.pl | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/config/backup/backup.pl b/config/backup/backup.pl
index 3b10b8707..fb7b210db 100644
--- a/config/backup/backup.pl
+++ b/config/backup/backup.pl
@@ -258,6 +258,16 @@ restore_backup() {
 	if [ -e /var/lib/ipblocklist/SPAMHAUS_EDROP.conf ]; then
 		rm /var/lib/ipblocklist/SPAMHAUS_EDROP.conf
 	fi
+
+	# Create collectd 4.x to 5.x migration script from rrd contents, run the script that
+	# was created and then remove the old interface directory if it is present as it will
+	# be empty after the migration has been carried out.
+	/var/ipfire/collectd-migrate-4-to-5.pl --indir /var/log/rrd/ > /tmp/rrd-migrate.sh
+	sh /tmp/rrd-migrate.sh >/dev/null 2>&1
+	if [ -d /var/log/rrd/collectd/localhost/interface/ ]; then
+		rm -Rf /var/log/rrd/collectd/localhost/interface/
+	fi
+
 	return 0
 }
 
-- 
2.47.1