unionfs: add ability to set action and search policies without editing the command variable

Author: saltydk

roles/unionfs/defaults/main.yml

@@ -53,9 +53,14 @@ mergerfs_mount_service_after: "network-online.target"
 
 mergerfs_mount_readdir_policy: "seq"
 
+mergerfs_mount_policy_action: "epall"
+mergerfs_mount_policy_create: "ff"
+mergerfs_mount_policy_search: "ff"
+
 mergerfs_mount_start_command: |-
   /usr/bin/mergerfs \
-    -o category.create=ff,async_read=true,cache.files=partial \
+    -o category.create={{ mergerfs_mount_policy_create }},async_read=true,cache.files=partial \
+    -o category.action={{ mergerfs_mount_policy_action }},category.search={{ mergerfs_mount_policy_search }} \
     -o dropcacheonclose=true,minfreespace=0,fsname=mergerfs \
     -o xattr=nosys,statfs=base,statfs_ignore=nc,umask=002,noatime \
     -o func.readdir={{ mergerfs_mount_readdir_policy }} \