Move files to this submodule

tasks/swap.yml

@@ -0,0 +1,37 @@
+
+- name: Check whether swap is already enabled or not
+  shell: cat /etc/sysctl.conf
+  register: swap_enabled
+  check_mode: false
+  changed_when: false
+
+- block:
+  - name: create swap file
+    command: dd if=/dev/zero of=/swapfile bs=1G count=4
+
+  - name: change permission type
+    file: path=/swapfile mode=600 state=file
+
+  - name: setup swap
+    command: mkswap /swapfile
+
+  - name: create swap
+    command: swapon /swapfile
+
+  - name: Add to fstab
+    action: lineinfile dest=/etc/fstab regexp="swapfile" line="/swapfile none swap sw 0 0" state=present
+
+  - name: start swap
+    command: swapon -a
+
+  - name: set swapiness
+    sysctl:
+      name: vm.swappiness
+      value: "10"
+
+  - name: set swapiness
+    sysctl:
+      name: vm.vfs_cache_pressure
+      value: "50"
+
+  when: swap_enabled.stdout.find('swappiness') == -1