sync roles with changes from OWS

roles/node_exporter/tasks/main.yml

@@ -28,15 +28,26 @@
   register: node_exporter_version
 - name: "{{ node_exporter_version }}"
   set_fact:
-    node_exporter_version: "{{ node_exporter_version | replace ('v', '', 1) | trim }}"
+    node_exporter_version: "{{ node_exporter_version | replace('v', '', 1) | trim }}"
   run_once: true
 
-- name: Download node_exporter {{ node_exporter_version.tag }} from GitHub
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "amd64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "x86_64"
+
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "arm64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "aarch64"
+
+- name: "Download node_exporter from GitHub (v{{ node_exporter_version.tag }})"
   get_url:
     url: "https://github.com/prometheus/node_exporter/releases/download/\
           v{{ node_exporter_version.tag }}/node_exporter-{{ node_exporter_version.tag }}\
-          .linux-{{ deb_architecture }}.tar.gz"
+          .linux-{{ architecture_alias }}.tar.gz"
     dest: "/var/tmp/node_exporter.tar.gz"
+    mode: "0644"
   register: node_exporter_download_archive
   until: node_exporter_download_archive is succeeded
   retries: 3
@@ -52,7 +63,7 @@
     extra_opts:
       - --strip-components=1
     include:
-      - "node_exporter-{{ node_exporter_version.tag }}.linux-{{ deb_architecture }}/node_exporter"
+      - "node_exporter-{{ node_exporter_version.tag }}.linux-{{ architecture_alias }}/node_exporter"
   notify: Restart node_exporter
 
 - name: Copy node_exporter systemd service