initial working code, needs docs

playbooks/roles/munin_node/defaults/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Defaults for role munin-node
+# 
+
+#
+# vars are namespaced with the module name.
+#
+munin_node_role_name: munin-node
+
+#
+# OS packages
+#
+
+munin_node_debian_pkgs:
+  - "munin-node"
+  - "sysstat"
+
+munin_node_redhat_pkgs: []
+

playbooks/roles/munin_node/files/munin-edx

+[iostat]
+env.SHOW_NUMBERED 1
\ No newline at end of file

playbooks/roles/munin_node/meta/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+##
+# Role includes for role munin-node
+# 
+# Example:
+#
+# dependencies:
+#   - {
+#   role: my_role 
+#   my_role_var0: "foo"
+#   my_role_var1: "bar"
+# }

playbooks/roles/munin_node/tasks/main.yml

+---
+#
+# edX Configuration
+#
+# github:     https://github.com/edx/configuration
+# wiki:       https://github.com/edx/configuration/wiki
+# code style: https://github.com/edx/configuration/wiki/Ansible-Coding-Conventions
+# license:    https://github.com/edx/configuration/blob/master/LICENSE.TXT
+#
+#
+#
+# Tasks for role munin-node
+# 
+# Overview:
+# 
+#
+# Dependencies:
+#
+# 
+# Example play:
+#
+#
+
+- name: install OS packages
+  apt: >
+  apt: 
+    pkg={{ item }}
+    state=present
+    update_cache=yes
+  tags:
+    - install
+    - install:system-requirements
+  with_items: munin_node_debian_pkgs
+
+- name: link munin-node iostat
+  file: >
+    src="/usr/share/munin/plugins/iostat"
+    dest="/etc/munin/plugins/iostat"
+    state="link" owner=root group=root
+
+- name: link munin-node iostat-ios
+  file: >
+    src="/usr/share/munin/plugins/iostat_ios"
+    dest="/etc/munin/plugins/iostat_ios"
+    state="link" owner=root group=root
+
+- name: copy munin iostat config
+  copy: > 
+    src="munin-edx"
+    dest="/etc/munin/plugin-conf.d/munin-edx"
+    owner=root group=root mode="644"
+
+- name: restart munin-mode
+  service: >
+    name=munin-node
+    state=restarted
\ No newline at end of file