linux-formula/linux/storage/swap.sls

{%- from "linux/map.jinja" import storage with context %}
{%- if storage.enabled %}

{%- for swap_name, swap in storage.swap.iteritems() %}

{%- if swap.enabled %}

{%- if swap.engine == 'partition' %}

linux_create_swap_partition_{{ swap.device }}:
  cmd.run:
  - name: 'mkswap {{ swap.device }}'
  - onlyif: "test `file -L -s {{ swap.device }} | grep 'swap file' >/dev/null;echo $?` -ne 0"
  - creates: {{ swap.device }}

linux_set_swap_partition_{{ swap.device }}:
  cmd.run:
  - name: 'swapon {{ swap.device }}'
  - unless: grep $(readlink -f {{ swap.device }}) /proc/swaps
  - require:
    - cmd: linux_create_swap_partition_{{ swap.device }}

{{ swap.device }}:
  mount.swap:
  - persist: True
  - require:
    - cmd: linux_set_swap_partition_{{ swap.device }}

{%- elif swap.engine == 'file' %}

linux_create_swap_file_{{ swap.device }}:
  cmd.run:
  - name: 'dd if=/dev/zero of={{ swap.device }} bs=1048576 count={{ swap.size }} && chmod 0600 {{ swap.device }}'
  - creates: {{ swap.device }}

linux_set_swap_file_{{ swap.device }}:
  cmd.wait:
  - name: 'mkswap {{ swap.device }}'
  - watch:
    - cmd: linux_create_swap_file_{{ swap.device }}

linux_set_swap_file_status_{{ swap.device }}:
  cmd.run:
  - name: 'swapon {{ swap.device }}'
  - unless: grep {{ swap.device }} /proc/swaps
  - require:
    - cmd: linux_set_swap_file_{{ swap.device }}

{{ swap.device }}:
  mount.swap:
  - persist: True
  - require:
    - cmd: linux_set_swap_file_{{ swap.device }}

{%- endif %}

{%- endif %}

{%- endfor %}

{%- endif %}