Initial code for the role

README.md

-ansible-role-serverdensity
-==========================
+Ansible role to install and configure Server Density Agent
+==========================================================
+
+This is currently developed and tested for Ubuntu only but should easily be extended to other Nix's later on.
+
+See defaults/main.yml for variables that you should re-define in your own inventory.

defaults/main.yml

+---
+# file: roles/serverdensity/defaults/main.yml
+
+sd_url: false
+sd_api_token: ''
+sd_api_cache_file: '/tmp/sd_cache'
+sd_agent_key: ''
+sd_logging_level: 'info'
+sd_plugins: []
+sd_groups:
+  apache: 'all'
+  mysql: 'all'
+  proxy: 'all'

handlers/main.yml

+---
+# file: roles/serverdensity/handlers/main.yml
+
+- name: 'ServerDensity | Restart Agent'
+  service: name=sd-agent state=restarted

meta/main.yml

+---
+galaxy_info:
+  author: "jurgenhaas"
+  company: "PARAGON Executive Services GmbH"
+  min_ansible_version: 1.5
+  platforms:
+   - name: Ubuntu
+     versions:
+      - precise
+      - quantal
+      - raring
+      - saucy
+      - trusty
+  categories:
+   - monitoring

tasks/main.yml

+---
+# file: roles/serverdensity/tasks/main.yml
+
+- name: 'ServerDensity | Init SD plugin'
+  local_action:
+    serverdensity
+    api_token={{sd_api_token}}
+    cleanup=true
+    cache='{{sd_api_cache_file}}'
+
+- name: 'ServerDensity | Install Public Repo Key'
+  apt_key:
+    url='https://www.serverdensity.com/downloads/boxedice-public.key'
+    state=present
+
+- name: 'ServerDensity | Add ServerDensity Repository To Apt'
+  copy:
+    content='deb http://www.serverdensity.com/downloads/linux/deb all main'
+    dest='/etc/apt/sources.list.d/sd-agent.list'
+
+- name: 'ServerDensity | Install The Agent'
+  apt:
+    pkg=sd-agent
+    state=installed
+    update_cache=yes
+  notify: 'ServerDensity | Restart Agent'
+
+- name: 'ServerDensity | Create Plugins Directory'
+  file:
+    dest='/usr/bin/sd-agent/plugins'
+    state=directory
+    mode=755
+
+- name: 'ServerDensity | Copy Plugins'
+  copy:
+    src={{inventory_dir}}/files/sd-plugins/{{item.1}}
+    dest=/usr/bin/sd-agent/plugins/{{item.1}}
+  with_items: sd_plugins|dictsort
+  notify: 'ServerDensity | Restart Agent'
+
+- name: 'ServerDensity | Configure The Agent'
+  template: src=config.cfg
+            dest=/etc/sd-agent/config.cfg
+            owner=root
+            group=root
+            mode=0644
+  when: sd_agent_key != ''
+  notify: 'ServerDensity | Restart Agent'

templates/config.cfg

+# Server Density Agent Config
+# Docs: https://support.serverdensity.com/hc/en-us/articles/201003178-Agent-config-variables
+# Plugins: http://plugins.serverdensity.com/
+
+[Main]
+sd_url: {{sd_url}}
+agent_key: {{sd_agent_key}}
+
+plugin_directory: /usr/bin/sd-agent/plugins
+logging_level: {{sd_logging_level}}
+
+{% if inventory_hostname in groups[sd_groups.apache] %}
+# Apache
+# See https://support.serverdensity.com/hc/en-us/articles/201253343-Apache-monitoring-Linux-Mac-and-FreeBSD
+
+apache_status_url: http://{{inventory_hostname}}/server-status/?auto
+apache_status_user:
+apache_status_pass:
+{% endif %}
+
+{% if inventory_hostname in groups[sd_groups.mysql] %}
+# MySQL
+# See https://support.serverdensity.com/hc/en-us/articles/201013827-MySQL-monitoring-Linux-Mac-and-FreeBSD
+
+mysql_server: 127.0.0.1
+mysql_user: root
+mysql_pass: root
+{% endif %}
+
+{% if inventory_hostname in groups[sd_groups.proxy] %}
+haproxy_svname: {{inventory_hostname}}
+haproxy_url: http://127.0.0.1:7000/haproxy_stats
+{% endif %}