A single cloud project for each environment? - azure

Question

Previously I have always had separate cloud projects for each environment, like this:
This poses some problems:
Maintaining multiple ServiceDefinition.csdef files
When building to a common output path, which ServiceDefinition.csdef is copied?
I am proposing using a single Cloud Project with multiple ServiceConfiguration files for each environment, and multiple profiles for publishing:
Pros:
Less maintenance issues (1 project and 1 ServiceDefinition.csdef)
A single ServiceDefinition.csdef is copied to the output folder
The problem I have now is that all environments need to have the same instance size as this is defined in the ServiceDefinition.csdef.
Is there any way I can get around this problem?

Answer 1

Yes, we create multiple packages (one for each environment). We have different powershell scripts to patch things like the vm-size (one example):
param(
[parameter(Mandatory=$true)]
[string]$fileToPatch,
[parameter(Mandatory=$true)]
[string]$roleName,
[parameter(Mandatory=$true)]
[validateSet("ExtraSmall", "Small", "Medium", "Large", "ExtraLarge", "A5", "A6", "A7")]
[string]$vmsize = 'Small'
)
# MAIN
$xml = New-Object System.Xml.XmlDocument
$xml.Load($fileToPatch)
$namespaceMgr = New-Object System.Xml.XmlNamespaceManager $xml.NameTable
$namespace = $xml.DocumentElement.NamespaceURI
$namespaceMgr.AddNamespace("ns", $namespace)
$xpathWorkerRoles = "/ns:ServiceDefinition/ns:WorkerRole"
$xpathWebRoles = "/ns:ServiceDefinition/ns:WebRole"
$Roles = $xml.SelectNodes($xpathWebRoles, $namespaceMgr) + $xml.SelectNodes($xpathWorkerRoles, $namespaceMgr)
$Roles | Where-Object { $_.name -eq $RoleName} | % { $_.vmsize = $vmsize; Write-Host 'Patched vmsize to' $vmsize 'for' $_.name }
$xml.Save($fileToPatch)