Merge "improve mkfs condition and make fs_type for partitioning optional"

linux/storage/disk.sls

   - name: partition.mkpart
   - device: {{ disk_name }}
   - part_type: primary
+  {%- if partition.type is defined %}
   - fs_type: {{ partition.type }}
+  {%- endif %}
   - start: {{ end_size }}MB
   - end: {{ end_size + partition.size }}MB
   - unless: "blkid {{ disk_name }}{{ loop.index }} {{ disk_name }}p{{ loop.index }}"

linux/storage/mount.sls

 mkfs_{{ mount.device}}:
   cmd.run:
   - name: "mkfs.{{ mount.file_system }} -L {{ name }} {{ mount.device }}"
-  - onlyif: "test `blkid {{ mount.device }} >/dev/null;echo $?` -eq 2"
+  - onlyif: "test `blkid {{ mount.device }} | grep -q TYPE;echo $?` -eq 1"
   - require_in:
     - mount: {{ mount.path }}
   {%- if mount.file_system == 'xfs' %}