{{ ansible_managed | comment }}

[Unit]
Description=Prometheus MySQLd Exporter
After=network-online.target

[Service]
Type=simple
User={{ mysqld_exporter_system_user }}
Group={{ mysqld_exporter_system_group }}
ExecStart={{ mysqld_exporter_binary_install_dir }}/mysqld_exporter \
{% for collector in mysqld_exporter_enabled_collectors -%}
{%   if not collector is mapping %}
    --collect.{{ collector }} \
{%   else -%}
{%     set name, options = (collector.items()|list)[0] -%}
    --collect.{{ name }} \
{%     for k,v in options|dictsort %}
    --collect.{{ name }}.{{ k }}={{ v | quote }} \
{%     endfor -%}
{%   endif -%}
{% endfor -%}
{% for collector in mysqld_exporter_disabled_collectors %}
    --no-collect.{{ collector }} \
{% endfor %}
{% if mysqld_exporter_tls_server_config | length > 0 or mysqld_exporter_http_server_config | length > 0 or mysqld_exporter_basic_auth_users | length > 0 %}
    --web.config.file={{ mysqld_exporter_config_dir }}/web_config.yaml \
{% endif %}
{% if mysqld_exporter_version is version('0.15.0', '>=') and
      mysqld_exporter_web_listen_address is iterable and
      mysqld_exporter_web_listen_address is not mapping and
      mysqld_exporter_web_listen_address is not string %}
{%   for address in mysqld_exporter_web_listen_address %}
    --web.listen-address={{ address }} \
{%   endfor %}
{% else %}
    --web.listen-address={{ mysqld_exporter_web_listen_address }} \
{% endif %}
    --web.telemetry-path={{ mysqld_exporter_web_telemetry_path }} \
    --config.my-cnf={{ mysqld_exporter_config_dir }}/{{ mysqld_exporter_config_file }}

SyslogIdentifier=mysqld_exporter
Restart=always
RestartSec=1
StartLimitInterval=0

{% set protect_home = 'yes' %}
{% for m in ansible_mounts if m.mount.startswith('/home') %}
{%   set protect_home = 'read-only' %}
{% endfor %}
ProtectHome={{ protect_home }}
NoNewPrivileges=yes

{% if (ansible_facts.packages.systemd | first).version is version('232', '>=') %}
ProtectSystem=strict
ProtectControlGroups=true
ProtectKernelModules=true
ProtectKernelTunables=yes
{% else %}
ProtectSystem=full
{% endif %}

[Install]
WantedBy=multi-user.target