Prototype Ansible playbook to install CouchDB and Silverlight on Windows nodes.

installcouchdb.ps1

$p = Start-Process -FilePath "C:\Users\Guillaume\couchdb.exe" -ArgumentList "/VerySilent /CLOSEAPPLICATIONS /Log=C:\couchdb.txt" -Wait -PassThru
$p.WaitForExit()
if ($p.ExitCode -ne 0) {
    throw "failed"
}

windows-test-playbook.yaml

# Ansible playbook to install and configure CouchDB from scratch.
---
# The steps below run on the Ansible 'master' node.
- hosts: 127.0.0.1
  sudo: True
  connection: local
  vars:
   # Some customisations to the CouchDB configuration. 
   couchdb_port: 5983
   couchdb_bind_address: 0.0.0.0

  tasks:
  # I use a web server to serve content from the master node to the windows machine. 
  # This approach also enables offline mode, where the Windows node don't have access to the internet
  - name: install Apache2 on the Ansible master node
    yum: name=httpd

  - name: create the ansible folder that will be served by Apache2
    file: path=/var/www/html/ansible state=directory
  
  - name: retrieve the Windows installer for CouchDB
    get_url: url=http://apache.is.co.za/couchdb/binary/win/1.6.1/setup-couchdb-1.6.1_R16B02.exe dest=/var/www/html/ansible/couchdb.exe force=no

  - name: add a copy of the Silverlight windows installer to the web server folder
    copy: src=Silverlight_x64.exe dest=/var/www/html/ansible/Silverlight_x64.exe

  # Templating is not yet supported in Windows, so we template the file on the master node and serve the output via http
  - name: create a CouchDB local.ini file from a template and save it to the local webserver.
    template: src=local.ini.j2 dest=/var/www/html/ansible/local.ini

  - name: ensure that Apache2 is running
    service: name=httpd state=started

# The steps below run on any Windows node in the inventory
- hosts: windows
  gather_facts: no
  tasks:
  # We discover the ip address of the master node, so that windows nodes can fetch content over Http from the right place
  - name: fetch the ip address of the master node
    local_action: "shell ifconfig eth1 | grep 'inet addr' | awk -F: '{print $2}' | awk '{print $1}'"
    register: ansible_master_ip

  - name: download the Silverlight installer from the Ansible master node
    win_get_url: url=http://{{ ansible_master_ip.stdout }}/ansible/Silverlight_x64.exe  dest=C:\Users\Guillaume\silverlight.exe

  - name: proceed to a silent install of silverlight
    script: installsilverlight.ps1
  
  - name: download the couchdb.exe InnoSetup installer from the Ansible master node
    win_get_url: url=http://{{ ansible_master_ip.stdout }}/ansible/couchdb.exe  dest=C:\Users\Guillaume\couchdb.exe

  - name: ensure that CouchDB is stopped
    win_service: name="Apache CouchDB" state=stopped
    ignore_errors: true

  - name: stop left-over Erlang processes (otherwise, the installation via PowerShell will fail)
    script: stoperlang.ps1

  - name: proceed to a silent install of couchdb
    script: installcouchdb.ps1

  - name: customize the CouchDB configuration
    win_get_url: url=http://{{ ansible_master_ip.stdout }}/ansible/local.ini dest='C:\Program Files (x86)\Apache Software Foundation\CouchDB\etc\couchdb\local.ini'

  - name: restart couchdb
    win_service: name="Apache CouchDB" state=restarted