feat(searxng): added new role to install and configure searxng

ansible_collections/nullified/infrastructure/roles/searxng/templates/systemd/searxng.service.j2

@@ -0,0 +1,60 @@
+[Unit]
+Description=SearxNG service
+#Documentation=
+After=network-online.target
+Wants=searxng.socket
+
+[Service]
+User={{ searxng_user }}
+Group={{ searxng_group }}
+Type=notify
+NotifyAccess=all
+UMask=007
+ExecStart={{ searxng_install_dir }}/.venv/bin/uwsgi \
+    --ini "{{ searxng_uwsgi_config_filepath }}" \
+    --socket "{{ searxng_uwsgi_socket_dir }}/searxng.socket"
+Restart=on-failure
+RestartSec=3
+TimeoutStopSec=300
+WorkingDirectory=~
+KillSignal=SIGQUIT
+StandardError=journal
+
+# Security Hardening
+PrivateTmp=true
+CapabilityBoundingSet=CAP_SYS_RESOURCE
+{% if systemd_version | int >= 187 %}
+NoNewPrivileges=true
+SystemCallFilter=@system-service
+{% endif %}
+{%+ if systemd_version | int >= 209 %}SystemCallArchitectures=native{%- endif +%}
+{% if systemd_version | int >= 214 %}
+ProtectHome=true
+ProtectSystem=true
+{% endif %}
+{% if systemd_version | int >= 231 %}
+ReadOnlyPaths=/
+ReadWritePaths={{ searxng_install_dir }} {{ searxng_uwsgi_socket_dir }} {{ searxng_uwsgi_config_filepath }} {{ searxng_git_dir }}
+RestrictRealtime=true
+{% endif %}
+{% if systemd_version | int >= 232 %}
+ProtectControlGroups=true
+ProtectKernelModules=true
+ProtectKernelTunables=true
+RemoveIPC=true
+{% endif %}
+{% if systemd_version | int >= 233 %}
+MountAPIVFS=true
+RestrictNamespaces=ipc net mnt pid
+{% endif %}
+{%+ if systemd_version | int >= 235 %}LockPersonality=true{%- endif +%}
+{% if systemd_version | int >= 242 %}
+ProtectHostname=true
+RestrictSUIDSGID=true
+{% endif %}
+{%+ if systemd_version | int >= 244 %}ProtectKernelLogs=true{%- endif +%}
+{%+ if systemd_version | int >= 245 %}ProtectClock=true{%- endif +%}
+{%+ if systemd_version | int >= 247 %}ProtectProc=invisible{%- endif +%}
+
+[Install]
+WantedBy=multi-user.target