Update zfs example

examples/playbooks/zfs.yml

@@ -13,19 +13,21 @@
   tasks:
 
   - name: Create a zfs file system
-    action: zfs name=$pool/var/log/httpd state=present 
+    action: zfs name={{pool}}/var/log/httpd state=present 
 
   - name: Create a zfs file system with quota of 10GiB and visible snapdir
-    action: zfs name=$pool/ansible quota='10G' snapdir=visible state=present
+    action: zfs name={{pool}}/ansible quota='10G' snapdir=visible state=present
 
   - name: Crate zfs snapshot of the above file system
-    action: zfs name=$pool/ansible@mysnapshot state=present 
+    action: zfs name={{pool}}/ansible@mysnapshot state=present 
 
   - name: Create zfs volume named smallvol with a size of 10MiB
-    action: zfs name=$pool/smallvol volsize=10M state=present
+    action: zfs name={{pool}}/smallvol volsize=10M state=present
 
   - name: Removes snapshot of rpool/oldfs
-    action: zfs name=$pool/oldfs@oldsnapshot state=absent
+    action: zfs name={{pool}}/oldfs@oldsnapshot state=absent
 
   - name: Removes file system rpool/oldfs
-    action: zfs name=$pool/oldfs state=absent
+    action: zfs name={{pool}}/oldfs state=absent
+
+