mariadb: Loosen backup permissions

roles/mariadb/files/mariadb-backup.sh

@@ -2,7 +2,7 @@
 
 set -eu
 
-umask 077
+umask 027
 
 DESTDIR="/export/backup"
 DATE="$(date +%Y-%m-%d)"
@@ -20,7 +20,7 @@ cd "$DESTDIR" && {
 }
 
 DESTDIR="${DESTDIR}/${DATE}"
-mkdir -p "$DESTDIR"
+mkdir "$DESTDIR"
 
 for db in $(mysql -e "show databases" -s) ; do
     case "$db" in

roles/mariadb/tasks/main.yml

@@ -100,7 +100,7 @@
   file:
     path: /export/backup
     state: directory
-    mode: 0700
+    mode: 0750
     owner: root
     group: "{{ ansible_wheel }}"