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|
$DefaultPSRepositoryUrl = "https://www.powershellgallery.com/api/v2"
$global:CurrentUserModulePath = ""
function Update-PSModulePath()
{
# Information on PSModulePath taken from docs
# https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.core/about/about_psmodulepath
# Information on Az custom module paths on hosted agents taken from
# https://github.com/microsoft/azure-pipelines-tasks/blob/c9771bc064cd60f47587c68e5c871b7cd13f0f28/Tasks/AzurePowerShellV5/Utility.ps1
if ($IsWindows) {
$hostedAgentModulePath = $env:SystemDrive + "\Modules"
$moduleSeperator = ";"
} else {
$hostedAgentModulePath = "/usr/share"
$moduleSeperator = ":"
}
$modulePaths = $env:PSModulePath -split $moduleSeperator
# Remove any hosted agent paths (needed to remove old default azure/azurerm paths which cause conflicts)
$modulePaths = $modulePaths.Where({ !$_.StartsWith($hostedAgentModulePath) })
# Add any "az_" paths from the agent which is the lastest set of azure modules
$AzModuleCachPath = (Get-ChildItem "$hostedAgentModulePath/az_*" -Attributes Directory) -join $moduleSeperator
if ($AzModuleCachPath -and $env.PSModulePath -notcontains $AzModuleCachPath) {
$modulePaths += $AzModuleCachPath
}
$env:PSModulePath = $modulePaths -join $moduleSeperator
# Find the path that is under user home directory
$homeDirectories = $modulePaths.Where({ $_.StartsWith($home) })
if ($homeDirectories.Count -gt 0) {
$global:CurrentUserModulePath = $homeDirectories[0]
if ($homeDirectories.Count -gt 1) {
Write-Verbose "Found more then one module path starting with $home so selecting the first one $global:CurrentUserModulePath"
}
# In some cases the directory might not exist so we need to create it otherwise caching an empty directory will fail
if (!(Test-Path $global:CurrentUserModulePath)) {
New-Item $global:CurrentUserModulePath -ItemType Directory > $null
}
}
else {
Write-Error "Did not find a module path starting with $home to set up a user module path in $env:PSModulePath"
}
}
# If we want to use another default repository other then PSGallery we can update the default parameters
function Install-ModuleIfNotInstalled($moduleName, $version, $repositoryUrl = $DefaultPSRepositoryUrl)
{
# Check installed modules
$modules = (Get-Module -ListAvailable $moduleName)
if ($version -as [Version]) {
$modules = $modules.Where({ [Version]$_.Version -ge [Version]$version })
}
if ($modules.Count -eq 0)
{
$repositories = (Get-PSRepository).Where({ $_.SourceLocation -eq $repositoryUrl })
if ($repositories.Count -eq 0)
{
Register-PSRepository -Name $repositoryUrl -SourceLocation $repositoryUrl -InstallationPolicy Trusted
$repositories = (Get-PSRepository).Where({ $_.SourceLocation -eq $repositoryUrl })
if ($repositories.Count -eq 0) {
Write-Error "Failed to registory package repository $repositoryUrl."
return
}
}
$repository = $repositories[0]
if ($repository.InstallationPolicy -ne "Trusted") {
Set-PSRepository -Name $repository.Name -InstallationPolicy "Trusted"
}
Write-Host "Installing module $moduleName with min version $version from $repositoryUrl"
# Install under CurrentUser scope so that the end up under $CurrentUserModulePath for caching
Install-Module $moduleName -MinimumVersion $version -Repository $repository.Name -Scope CurrentUser -Force
# Ensure module installed
$modules = (Get-Module -ListAvailable $moduleName)
if ($version -as [Version]) {
$modules = $modules.Where({ [Version]$_.Version -ge [Version]$version })
}
if ($modules.Count -eq 0) {
Write-Error "Failed to install module $moduleName with version $version"
return
}
}
Write-Host "Using module $($modules[0].Name) with version $($modules[0].Version)."
return $modules[0]
}
Update-PSModulePath
|
