Move swap management out of mastodon role and into yttrx role

roles/yttrx/tasks/main.yml

@@ -1,4 +1,6 @@
 ---
+- import_tasks: swap.yml
+
 - name: Install prometheus node exporter
   package:
     name: prometheus-node-exporter

roles/yttrx/tasks/swap.yml

@@ -0,0 +1,36 @@
+- name: set swap_file variable
+  set_fact:
+    swap_file: /{{ swap_space }}.swap
+
+- name: check if swap file exists
+  stat:
+    path: "{{ swap_file }}"
+  register: swap_file_check
+
+- name: create swap file
+  command: fallocate -l {{ swap_space }} {{ swap_file }}
+  args:
+    creates: /{{ swap_file }}
+
+- name: set permissions on swap file
+  file:
+    path: "{{ swap_file }}"
+    mode: 0600
+
+- name: format swap file
+  command: mkswap {{ swap_file }}
+  when: not swap_file_check.stat.exists
+
+- name: add to fstab
+  lineinfile:
+    dest: /etc/fstab
+    regexp: "{{ swap_file }}"
+    line: "{{ swap_file }} none swap sw 0 0"
+
+- name: turn on swap
+  command: swapon -a
+
+- name: set swapiness
+  sysctl:
+    name: vm.swappiness
+    value: "1"

roles/yttrx/vars/main.yml

@@ -0,0 +1,2 @@
+---
+swap_space: 1G