init

ansible/roles/host/tasks/setup-zram.yml

@@ -0,0 +1,37 @@
+---
+-
+    name: Install zram-tools
+    apt:
+        name: zram-tools
+        state: present
+
+-
+    name: Configure zram
+    copy:
+        dest: /etc/default/zramswap
+        content: |
+            ALGO={{ zram_algorithm | default('zstd') }}
+            PERCENT={{ zram_percent | default(50) }}
+            PRIORITY={{ zram_priority | default(100) }}
+        mode: '0644'
+    notify: restart zramswap
+
+-
+    name: Enable zramswap service
+    systemd:
+        name: zramswap
+        enabled: true
+        state: started
+
+-
+    name: Disable file-backed swap if present
+    command: swapoff /swapfile
+    failed_when: false
+    changed_when: false
+
+-
+    name: Remove file-backed swap from fstab
+    lineinfile:
+        path: /etc/fstab
+        line: "/swapfile none swap sw 0 0"
+        state: absent