sync roles with changes from OWS

roles/systemd_exporter/tasks/main.yml

@@ -11,15 +11,26 @@
   register: systemd_exporter_version
 - name: "{{ systemd_exporter_version }}"
   set_fact:
-    systemd_exporter_version: "{{ systemd_exporter_version | replace ('v', '', 1) | trim }}"
+    systemd_exporter_version: "{{ systemd_exporter_version | replace('v', '', 1) | trim }}"
   run_once: true
 
-- name: Download systemd_exporter {{ systemd_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 systemd_exporter from GitHub (v{{ systemd_exporter_version.tag }})"
   get_url:
     url: "https://github.com/povilasv/systemd_exporter/releases/download/\
           v{{ systemd_exporter_version.tag }}/systemd_exporter-{{ systemd_exporter_version.tag }}\
-          .linux-{{ deb_architecture }}.tar.gz"
+          .linux-{{ architecture_alias }}.tar.gz"
     dest: "/var/tmp/systemd_exporter.tar.gz"
+    mode: "0644"
   register: systemd_exporter_download_archive
   until: systemd_exporter_download_archive is succeeded
   retries: 3
@@ -35,7 +46,7 @@
     extra_opts:
       - --strip-components=1
     include:
-      - "systemd_exporter-{{ systemd_exporter_version.tag }}.linux-{{ deb_architecture }}/systemd_exporter"
+      - "systemd_exporter-{{ systemd_exporter_version.tag }}.linux-{{ architecture_alias }}/systemd_exporter"
   notify: Restart systemd_exporter
 
 - name: Copy the systemd_exporter systemd service file