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function Invoke-CommandLine {
Param(
[Parameter(Mandatory=$true)]
[String]$Command,
[String]$Arguments,
[Int[]]$AllowedExitCodes=@(0)
)
& $Command $Arguments.Split(" ")
if($LASTEXITCODE -notin $AllowedExitCodes) {
Throw "$Command $Arguments returned a non zero exit code ${LASTEXITCODE}."
}
}
function Start-ExecuteWithRetry {
Param(
[Parameter(Mandatory=$true)]
[ScriptBlock]$ScriptBlock,
[Int]$MaxRetryCount=10,
[Int]$RetryInterval=3,
[String]$RetryMessage,
[Array]$ArgumentList=@()
)
$currentErrorActionPreference = $ErrorActionPreference
$ErrorActionPreference = "Continue"
$retryCount = 0
while ($true) {
try {
$res = Invoke-Command -ScriptBlock $ScriptBlock -ArgumentList $ArgumentList
$ErrorActionPreference = $currentErrorActionPreference
return $res
} catch [System.Exception] {
$retryCount++
if ($retryCount -gt $MaxRetryCount) {
$ErrorActionPreference = $currentErrorActionPreference
Throw $_
} else {
$prefixMsg = "Retry(${retryCount}/${MaxRetryCount})"
if($RetryMessage) {
Write-Host "${prefixMsg} - $RetryMessage"
} elseif($_) {
Write-Host "${prefixMsg} - $($_.ToString())"
}
Start-Sleep $RetryInterval
}
}
}
}
function Start-FileDownload {
Param(
[Parameter(Mandatory=$true)]
[String]$URL,
[Parameter(Mandatory=$true)]
[String]$Destination,
[Int]$RetryCount=10
)
Write-Output "Downloading $URL to $Destination"
Start-ExecuteWithRetry `
-ScriptBlock { Invoke-CommandLine -Command "curl.exe" -Arguments "-L -s -o $Destination $URL" } `
-MaxRetryCount $RetryCount `
-RetryMessage "Failed to download '${URL}'. Retrying"
Write-Output "Successfully downloaded."
}
function Add-ToPathEnvVar {
Param(
[Parameter(Mandatory=$true)]
[String[]]$Path,
[Parameter(Mandatory=$false)]
[ValidateSet([System.EnvironmentVariableTarget]::User, [System.EnvironmentVariableTarget]::Machine)]
[System.EnvironmentVariableTarget]$Target=[System.EnvironmentVariableTarget]::Machine
)
$pathEnvVar = [Environment]::GetEnvironmentVariable("PATH", $Target).Split(';')
$currentSessionPath = $env:PATH.Split(';')
foreach($p in $Path) {
if($p -notin $pathEnvVar) {
$pathEnvVar += $p
}
if($p -notin $currentSessionPath) {
$currentSessionPath += $p
}
}
$env:PATH = $currentSessionPath -join ';'
$newPathEnvVar = $pathEnvVar -join ';'
[Environment]::SetEnvironmentVariable("PATH", $newPathEnvVar, $Target)
}
function Install-Tool {
[CmdletBinding(DefaultParameterSetName = "URL")]
Param(
[Parameter(Mandatory=$true, ParameterSetName = "URL")]
[String]$URL,
[Parameter(Mandatory=$true, ParameterSetName = "LocalPath")]
[String]$LocalPath,
[Parameter(ParameterSetName = "URL")]
[Parameter(ParameterSetName = "LocalPath")]
[String[]]$Params=@(),
[Parameter(ParameterSetName = "URL")]
[Parameter(ParameterSetName = "LocalPath")]
[Int[]]$AllowedExitCodes=@(0)
)
PROCESS {
$installerPath = $LocalPath
if($PSCmdlet.ParameterSetName -eq "URL") {
$installerPath = Join-Path $env:TEMP $URL.Split('/')[-1]
Start-FileDownload -URL $URL -Destination $installerPath
}
Write-Output "Installing ${installerPath}"
$kwargs = @{
"FilePath" = $installerPath
"ArgumentList" = $Params
"NoNewWindow" = $true
"PassThru" = $true
"Wait" = $true
}
if((Get-ChildItem $installerPath).Extension -eq '.msi') {
$kwargs["FilePath"] = "msiexec.exe"
$kwargs["ArgumentList"] = @("/i", $installerPath) + $Params
}
$p = Start-Process @kwargs
if($p.ExitCode -notin $AllowedExitCodes) {
Throw "Installation failed. Exit code: $($p.ExitCode)"
}
if($PSCmdlet.ParameterSetName -eq "URL") {
Start-ExecuteWithRetry `
-ScriptBlock { Remove-Item -Force -Path $installerPath -ErrorAction Stop } `
-RetryMessage "Failed to remove ${installerPath}. Retrying"
}
}
}
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