refactor: yml -> yaml

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>

roles/node_exporter/tasks/install.yaml

@@ -0,0 +1,29 @@
+---
+- name: Download/Extract "{{ download_url }}"
+  ansible.builtin.unarchive:
+    src: "{{ download_url }}"
+    dest: /tmp/
+    remote_src: true
+    mode: "755"
+
+- name: Move node_exporter into path
+  ansible.builtin.copy:
+    src: "/tmp/node_exporter-{{ tag }}.linux-{{ go_arch }}/node_exporter"
+    dest: "{{ bin_path }}"
+    mode: "755"
+    remote_src: true
+  become: true
+
+- name: Create node_exporter user.
+  ansible.builtin.user:
+    name: node_exporter
+    shell: /sbin/nologin
+    state: present
+  become: true
+
+- name: Copy the node_exporter systemd unit file.
+  ansible.builtin.template:
+    src: node_exporter.service.j2
+    dest: /etc/systemd/system/node_exporter.service
+    mode: "644"
+  become: true