Add linux.system.directory state

Change-Id: Ida91f545cc705457d1bc567fbee483e14a202a3a

README.rst

               DefaultLimitCPU: 2
               DefaultLimitNPROC: 4
 
+Ensure presence of directory:
+
+.. code-block:: yaml
+
+    linux:
+      system:
+        directory:
+          /tmp/test:
+            user: root
+            group: root
+            mode: 700
+            makedirs: true
+
 Kernel
 ~~~~~~
 

linux/system/directory.sls

+{%- from "linux/map.jinja" import system with context %}
+
+{%- for name, dir in system.directory.iteritems() %}
+
+{{ dir.name|default(name) }}:
+  file.directory:
+    {%- if dir %}
+      {%- for key, value in dir.iteritems() %}
+    - {{ key }}: {{ value }}
+      {%- endfor %}
+    {%- else %}
+    - name: {{ name }}
+    {%- endif %}
+
+{%- endfor %}

linux/system/init.sls

 {%- if system.systemd is defined %}
 - linux.system.systemd
 {%- endif %}
+{%- if system.directory is defined %}
+- linux.system.directory
+{%- endif %}

tests/pillar/system.sls

     environment: prd
     hostname: system.pillar.local
     purge_repos: true
+    directory:
+      /tmp/test:
+        makedirs: true
     apparmor:
       enabled: false
     haveged: