Disk partitioning

Ability to create partitions on empty disks.

Change-Id: I0a71da9d62d8f7df3fa03e3f34d49bad6988ba6d

README.rst

                   size: 40G
                   mount: ${linux:storage:mount:data}
 
+Create partitions on disk. Specify size in MB. It expects empty
+disk without any existing partitions.
+
+.. code-block:: yaml
+
+      linux:
+        storage:
+          disk:
+            first_drive:
+              name: /dev/loop1
+              type: gpt
+              partitions:
+                - size: 200 #size in MB
+                  type: fat32
+                - size: 300 #size in MB
+                  type: ext4
+            /dev/vda1:
+              partitions:
+                - size: 5
+                  type: ext2
+                - size: 10
+                  type: ext4
 
 Multipath with Fujitsu Eternus DXL
 

linux/storage/disk.sls

+{%- from "linux/map.jinja" import storage with context %}
+{%- if storage.enabled %}
+
+{%- for disk_name, disk in storage.disk.iteritems() %}
+
+{%- if disk.type is defined %}
+create_disk_label:
+  module.run:
+  - name: partition.mklabel
+  - device: {{ disk.name|default(disk_name) }}
+  - label_type: {{ disk.get('type', 'gpt') }}
+  - unless: fdisk -l | grep {{ disk.get('type', 'gpt') }}
+{%- endif %}
+
+{% set end_size = 0 -%}
+
+{%- for partition in disk.get('partitions', []) %}
+
+{%- if not salt['partition.exists'](disk.get('name', disk_name)+'p'~loop.index) %}
+create_partition_{{ disk.name|default(disk_name) }}_{{ loop.index }}:
+  module.run:
+  - name: partition.mkpart
+  - device: {{ disk.name|default(disk_name) }}
+  - part_type: primary
+  - fs_type: {{ partition.type }}
+  - start: {{ end_size }}MB
+  - end: {{ end_size + partition.size }}MB
+{%- endif %}
+
+{% set end_size = end_size + partition.size -%}
+
+{%- endfor %}
+{%- endfor %}
+
+{%- endif %}

linux/storage/init.sls

 {%- from "linux/map.jinja" import storage with context %}
-{%- if storage.mount|length > 0 or storage.swap|length > 0 or storage.multipath.enabled or storage.lvm|length > 0 or storage.loopback|length > 0 %}
+{%- if storage.mount|length > 0 or storage.swap|length > 0 or storage.multipath.enabled or storage.disk|length > 0 or storage.lvm|length > 0 or storage.loopback|length > 0 %}
 include:
 {%- if storage.loopback|length > 0 %}
 - linux.storage.loopback
 {%- endif %}
+{%- if storage.disk|length > 0 %}
+- linux.storage.disk
+{%- endif %}
 {%- if storage.lvm|length > 0 %}
 - linux.storage.lvm
 {%- endif %}

tests/pillar/storage.sls

               device: /dev/vg0/lv03
               path: /mnt/lv03
               file_system: xfs
-    disk1:
-      enabled: true
-      device: /dev/loop_dev4
-      path: /tmp/dummy
-      file_system: xfs
-      options: "noatime,nobarrier,logbufs=8"
-      user: nobody
-      group: nogroup
-      mode: 755
+    disk:
+      first_drive:
+        name: /tmp/loop_dev4
+        type: gpt
+        partitions:
+          - size: 5
+            type: fat32
+          - size: 5
+            type: fat32