+
+
+### systemd
+
+Base role for systemd-based systems.
+
+
+### ubuntu-base
+
+Basic Ubuntu setup, including APT and Debconf configuration as well as a
+set of standard packages.
+
+#### Installed Packages
+
+ - bash-completion
+ - busybox-static
+ - ca-certificates
+ - curl
+ - debconf-utils
+ - etckeeper
+ - git
+ - htop
+ - less
+ - linux-image-generic
+ - lsb-base
+ - lsb-release
+ - psmisc
+ - net-tools
+ - screen
+ - sudo
+ - telnet-ssl
+ - vim
+
+
+### xinetd
+
+#### Depends on / Pulls in
+
+ - os-base
+
+#### Installed Packages
+
+ - xinetd
+
+
+### zabbix-agent
+
+#### Depends on / Pulls in
+
+ - os-base
+
+#### Installed Packages
+
+ - zabbix-agent
+
+#### Variables
+
+ - `zabbix_agent_pkg_file`
+ - `zabbix_agent_pkg_url`
+ - `zabbix_agent_pkg_sha`
+ - `zabbix_agent_server`:
+ Zabbix server host for "passive" agent checks, empty to disable.
+ - `zabbix_agent_prefork`:
+ Number of agent processes for "passive" checks (0 to disable).
+ - `zabbix_agent_server_active`:
+ Zabbix server host (for "active" agent checks, empty to disable).
+ - `zabbix_agent_metadata`:
+ Zabbix agent "HostMetadata" (for auto-registration).