add kthxbye role

roles/kthxbye/defaults/main.yaml

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+---
+kthxbye_go_arch_map:
+  i386: '386'
+  x86_64: 'amd64'
+
+kthxbye_go_arch: "{{ kthxbye_go_arch_map[ansible_architecture] | default('amd64') }}"
+
+kthxbye_sidecar_service_name: kthxbye-sidecar.service
+kthxbye_sidecar_service_enabled: true
+kthxbye_sidecar_service_state: started
+
+kthxbye_service_name: kthxbye.service
+kthxbye_service_enabled: true
+kthxbye_service_state: started
+
+kthxbye_version_regex: (.+)
+
+kthxbye_checksum_algo: sha512
+kthxbye_github_rel_path: prymitive/kthxbye
+kthxbye_github_project_url: "https://github.com/{{ kthxbye_github_rel_path }}"
+kthxbye_release_file: "kthxbye-{{ ansible_system | lower }}-{{ kthxbye_go_arch }}.tar.gz"
+kthxbye_release_url: "{{ kthxbye_github_project_url }}/releases/download/v{{ kthxbye_version }}/{{ kthxbye_release_file }}"
+kthxbye_checksum_url: "{{ kthxbye_github_project_url }}/releases/download/v{{ kthxbye_version }}/{{ kthxbye_checksum_algo }}sum.txt"
+kthxbye_download_path: "/tmp/{{ kthxbye_release_file }}"
+kthxbye_unarchive_dest_path: /tmp
+kthxbye_extracted_path: "{{ kthxbye_download_path | replace('.tar.gz', '') }}"
+kthxbye_binaries:
+ - kthxbye
+
+kthxbye_user: kthxbye
+kthxbye_user_state: present
+kthxbye_user_shell: /usr/sbin/nologin
+
+kthxbye_group: kthxbye
+kthxbye_group_state: "{{ kthxbye_user_state | default('present') }}"
+
+kthxbye_etc_path: /etc/kthxbye
+kthxbye_etc_owner: root
+kthxbye_etc_group: root
+kthxbye_etc_mode: "0755"
+
+kthxbye_var_path: /var/lib/kthxbye
+kthxbye_var_owner: "{{ kthxbye_user }}"
+kthxbye_var_group: "{{ kthxbye_group }}"
+kthxbye_var_mode: "0755"
+
+kthxbye_bin_path: /usr/local/bin

roles/kthxbye/handlers/main.yaml

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+---
+- name: restart kthxbye
+  systemd:
+    name: kthxbye.service
+    daemon_reload: true
+    state: restarted

roles/kthxbye/tasks/configure.yaml

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+---
+- name: create group
+  group:
+    name: "{{ kthxbye_group }}"
+    system: true
+    state: "{{ kthxbye_group_state | default('present') }}"
+
+- name: create user
+  user:
+    name: "{{ kthxbye_user }}"
+    system: true
+    shell: "{{ kthxbye_user_shell }}"
+    group: "{{ kthxbye_group }}"
+    createhome: false
+    home: "{{ kthxbye_var_path }}"
+    state: "{{ kthxbye_user_state | default('present') }}"
+
+- name: create etc path
+  file:
+    path: "{{ kthxbye_etc_path }}"
+    state: directory
+    owner: "{{ kthxbye_etc_owner }}"
+    group: "{{ kthxbye_etc_group }}"
+    mode: "{{ kthxbye_etc_mode }}"
+
+- name: create var path
+  file:
+    path: "{{ kthxbye_var_path }}"
+    state: directory
+    owner: "{{ kthxbye_var_owner }}"
+    group: "{{ kthxbye_var_group }}"
+    mode: "{{ kthxbye_var_mode }}"
+
+- name: configure systemd template
+  template:
+    src: kthxbye.service.j2
+    dest: /etc/systemd/system/kthxbye.service
+    owner: root
+    group: root
+    mode: 0444
+  notify: restart kthxbye
+
+- name: manage service
+  service:
+    name: "{{ kthxbye_service_name }}"
+    enabled: "{{ kthxbye_service_enabled }}"
+    state: "{{ kthxbye_service_state }}"

roles/kthxbye/tasks/install.yaml

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+---
+- block:
+  - name: download tar
+    get_url:
+      url: "{{ kthxbye_release_url }}"
+      dest: "{{ kthxbye_download_path }}"
+      checksum: "{{ kthxbye_checksum }}"
+    register: dl
+    until: dl is success
+    retries: 5
+    delay: 10
+
+  - name: extract tar
+    unarchive:
+      src: "{{ kthxbye_download_path }}"
+      dest: "{{ kthxbye_unarchive_dest_path }}"
+      creates: "{{ kthxbye_extracted_path }}"
+      remote_src: true
+
+  - name: install binaries
+    copy:
+      src: "{{ kthxbye_extracted_path }}"
+      dest: "{{ kthxbye_bin_path }}/{{ item }}"
+      owner: root
+      group: root
+      mode: 0755
+      remote_src: true
+    loop: "{{ kthxbye_binaries }}"
+    notify: restart kthxbye
+  when: kthxbye_version != kthxbye_local_version

roles/kthxbye/tasks/main.yaml

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

roles/kthxbye/tasks/pre.yaml

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+---
+- name: determine if installed
+  stat:
+    path: "{{ kthxbye_bin_path }}/kthxbye"
+  register: st
+
+- name: set kthxbye_installed
+  set_fact:
+    kthxbye_installed: "{{ st.stat.exists | bool }}"
+
+- block:
+  - name: determine latest version
+    uri:
+      url: "https://api.github.com/repos/{{ kthxbye_github_rel_path }}/releases/latest"
+      return_content: true
+      body_format: json
+    register: _latest_version
+    until: _latest_version.status == 200
+    retries: 3
+
+  - name: set kthxbye_version
+    set_fact:
+      kthxbye_version: "{{ _latest_version.json['tag_name'] | regex_replace('^v', '') }}"
+
+- block:
+  - name: determine installed version
+    command: "{{ kthxbye_bin_path }}/kthxbye --version"
+    register: _installed_version_string
+    changed_when: false
+
+  - name: set kthxbye_local_version
+    set_fact:
+      kthxbye_local_version: "{{ _installed_version_string.stdout | regex_search(kthxbye_version_regex, '\\1') | first }}"
+  rescue:
+  - name: set kthxbye_local_version
+    set_fact:
+      kthxbye_local_version: "{{ _installed_version_string.stderr | regex_search(kthxbye_version_regex, '\\1') | first }}"
+  when: kthxbye_installed
+
+- name: set kthxbye_local_version to 0
+  set_fact:
+    kthxbye_local_version: "0"
+  when: not kthxbye_installed
+
+- block:
+  - name: get checksums
+    set_fact:
+      _checksums: "{{ lookup('url', kthxbye_checksum_url, wantlist=True) }}"
+
+  - name: set kthxbye_checksum
+    set_fact:
+      kthxbye_checksum: "sha512:{{ item.split(' ') | first }}"
+    loop: "{{ _checksums }}"
+    when: "kthxbye_release_file in item"

roles/kthxbye/templates/kthxbye.service.j2

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+{{ ansible_managed | comment }}
+
+[Unit]
+Description=Kthxbye
+Wants=network-online.target
+After=network-online.target
+After=alertmanager.service
+ 
+[Service]
+Type=simple
+User={{ kthxbye_user }}
+Group={{ kthxbye_group }}
+WorkingDirectory={{ kthxbye_etc_path }}
+ExecStart={{ kthxbye_bin_path }}/kthxbye \
+{% if kthxbye_listen %}
+  -listen={{ kthxbye_listen }}
+{% endif %}
+ 
+[Install]
+WantedBy=multi-user.target