Add role for snmp_exporter

roles/snmp_exporter/tasks/configure.yaml

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+---
+- name: create group
+  ansible.builtin.group:
+    name: "{{ snmp_exporter_group_name }}"
+    system: true
+
+- name: create user
+  ansible.builtin.user:
+    name: "{{ snmp_exporter_user_name }}"
+    shell: "{{ snmp_exporter_user_shell }}"
+    home: "{{ snmp_exporter_user_home }}"
+    system: true
+    group: "{{ snmp_exporter_group_name }}"
+
+- name: create var path
+  ansible.builtin.file:
+    path: "{{ snmp_exporter_var_dir_path }}"
+    owner: "{{ snmp_exporter_var_dir_path_owner }}"
+    group: "{{ snmp_exporter_var_dir_path_group }}"
+    mode: "{{ snmp_exporter_var_dir_path_mode }}"
+    state: "{{ snmp_exporter_var_dir_path_state }}"
+
+- name: create etc path
+  ansible.builtin.file:
+    path: "{{ snmp_exporter_etc_dir_path }}"
+    owner: "{{ snmp_exporter_etc_dir_path_owner }}"
+    group: "{{ snmp_exporter_etc_dir_path_group }}"
+    mode: "{{ snmp_exporter_etc_dir_path_mode }}"
+    state: "{{ snmp_exporter_etc_dir_path_state }}"
+
+- name: configure
+  ansible.builtin.template:
+    src: "{{ snmp_exporter_config_file_template_src }}"
+    dest: "{{ snmp_exporter_config_file_template_dest }}"
+    owner: "{{ snmp_exporter_config_file_template_owner }}"
+    group: "{{ snmp_exporter_config_file_template_group }}"
+    mode: "{{ snmp_exporter_config_file_template_mode }}"
+  notify:
+    - restart snmp_exporter
+
+- name: configure systemd unit
+  ansible.builtin.template:
+    src: "{{ snmp_exporter_service_template_src }}"
+    dest: "{{ snmp_exporter_service_template_dest }}"
+    owner: "{{ snmp_exporter_service_template_owner }}"
+    group: "{{ snmp_exporter_service_template_group }}"
+    mode: "{{ snmp_exporter_service_template_mode }}"
+  notify:
+    - restart snmp_exporter
+
+- name: manage service
+  ansible.builtin.service:
+    name: "{{ snmp_exporter_service_name }}"
+    enabled: "{{ snmp_exporter_service_enabled | default(true) }}"
+    state: "{{ snmp_exporter_service_state | default('started') }}"

roles/snmp_exporter/tasks/install.yaml

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+---
+- name: determine install status
+  ansible.builtin.stat:
+    path: "{{ snmp_exporter_opt_dir_path }}/snmp_exporter"
+  register: st
+
+- name: create opt path
+  ansible.builtin.file:
+    path: "{{ snmp_exporter_opt_dir_path }}"
+    owner: root
+    group: root
+    mode: 0755
+    state: directory
+    
+- block:
+  - name: download
+    ansible.builtin.get_url:
+      url: "{{ snmp_exporter_release_url }}"
+      dest: "{{ snmp_exporter_download_path }}"
+      checksum: "{{ snmp_exporter_checksums[snmp_exporter_release_file] }}"
+    register: dl
+    until: dl is success
+    retries: 5
+    delay: 10
+
+  - name: extract
+    ansible.builtin.unarchive:
+      src: "{{ snmp_exporter_download_path }}"
+      dest: "{{ snmp_exporter_unarchive_dest_path }}"
+      remote_src: true
+
+  - name: install
+    ansible.builtin.copy:
+      src: "{{ snmp_exporter_extracted_path }}/{{ item }}"
+      dest: "{{ snmp_exporter_opt_dir_path }}/{{ item }}"
+      remote_src: true
+    loop: "{{ snmp_exporter_binaries }}"
+  when: not st.stat.exists
+
+- name: permissions
+  ansible.builtin.file:
+    path: "{{ snmp_exporter_opt_dir_path }}/{{ item }}"
+    owner: root
+    group: root
+    mode: 0755
+  loop: "{{ snmp_exporter_binaries }}"
+
+- name: symlink
+  ansible.builtin.file:
+    src: "{{ snmp_exporter_opt_dir_path }}/{{ item }}"
+    dest: "/usr/local/bin/{{ item }}"
+    owner: root
+    group: root
+    mode: 0755
+    state: link
+  loop: "{{ snmp_exporter_binaries }}"

roles/snmp_exporter/tasks/main.yaml

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+---
+- name: gather os specific variables
+  ansible.builtin.include_vars: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - vars
+
+- name: include os specific tasks
+  ansible.builtin.include_tasks: "{{ lookup('first_found', params) }}"
+  vars:
+    params:
+      files:
+        - "{{ ansible_distribution }}-{{ ansible_distribution_version }}.yaml"
+        - "{{ ansible_distribution }}.yaml"
+        - "{{ ansible_os_family }}.yaml"
+        - "default.yaml"
+      paths:
+        - tasks
+
+- ansible.builtin.include_tasks: install.yaml
+
+- ansible.builtin.include_tasks: configure.yaml