Make fileserver setup deterministic

Create the home directories before trying to bind mount them to /srv/nfs4
subdirectories. Remove unneeded acl parameter that lead to rewrites of
/etc/fstab for every salt run.

states/fileserver/init.sls

@@ -7,6 +7,15 @@ base-dirs:
     - group: root
     - mode: 0755
 
+home-dirs:
+  file.directory:
+    - names:
+      - /home/mail
+      - /home/www
+    - user: root
+    - group: root
+    - mode: 0751
+
 nfs4-dirs:
   file.directory:
     - names:
@@ -15,6 +24,8 @@ nfs4-dirs:
     - user: root
     - group: root
     - mode: 0751
+    - require:
+      - file: /srv/nfs4
 
 /srv/nfs4/web:
   mount.mounted:
@@ -22,10 +33,10 @@ nfs4-dirs:
     - fstype: none
     - opts:
       - bind
-      - acl
     - persist: True
     - require:
       - file: nfs4-dirs
+      - file: /home/www
 
 /srv/nfs4/mail:
   mount.mounted:
@@ -33,10 +44,10 @@ nfs4-dirs:
     - fstype: none
     - opts:
       - bind
-      - acl
     - persist: True
     - require:
       - file: nfs4-dirs
+      - file: /home/mail
 
 /srv/sftp/home:
   file.directory:
@@ -48,10 +59,10 @@ nfs4-dirs:
     - fstype: none
     - opts:
       - bind
-      - acl
     - persist: True
     - require:
       - file: /srv/sftp/home
+      - file: /home/mail
 
 fileserver-packages:
   pkg.installed: