setup-dotnet/externals/install-dotnet.ps1

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#
# Copyright (c) .NET Foundation and contributors. All rights reserved.
# Licensed under the MIT license. See LICENSE file in the project root for full license information.
#
<#
.SYNOPSIS
Installs dotnet cli
.DESCRIPTION
Installs dotnet cli. If dotnet installation already exists in the given directory
it will update it only if the requested version differs from the one already installed.
.PARAMETER Channel
Default: LTS
Download from the Channel specified. Possible values:
- Current - most current release
- LTS - most current supported release
- 2-part version in a format A.B - represents a specific release
examples: 2.0, 1.0
- Branch name
examples: release/2.0.0, Master
Note: The version parameter overrides the channel parameter.
.PARAMETER Version
Default: latest
Represents a build version on specific channel. Possible values:
- latest - most latest build on specific channel
- coherent - most latest coherent build on specific channel
coherent applies only to SDK downloads
- 3-part version in a format A.B.C - represents specific version of build
examples: 2.0.0-preview2-006120, 1.1.0
.PARAMETER InstallDir
Default: %LocalAppData%\Microsoft\dotnet
Path to where to install dotnet. Note that binaries will be placed directly in a given directory.
.PARAMETER Architecture
Default: <auto> - this value represents currently running OS architecture
Architecture of dotnet binaries to be installed.
Possible values are: <auto>, amd64, x64, x86, arm64, arm
.PARAMETER SharedRuntime
This parameter is obsolete and may be removed in a future version of this script.
The recommended alternative is '-Runtime dotnet'.
Default: false
Installs just the shared runtime bits, not the entire SDK.
This is equivalent to specifying `-Runtime dotnet`.
.PARAMETER Runtime
Installs just a shared runtime, not the entire SDK.
Possible values:
- dotnet - the Microsoft.NETCore.App shared runtime
- aspnetcore - the Microsoft.AspNetCore.App shared runtime
.PARAMETER DryRun
If set it will not perform installation but instead display what command line to use to consistently install
currently requested version of dotnet cli. In example if you specify version 'latest' it will display a link
with specific version so that this command can be used deterministicly in a build script.
It also displays binaries location if you prefer to install or download it yourself.
.PARAMETER NoPath
By default this script will set environment variable PATH for the current process to the binaries folder inside installation folder.
If set it will display binaries location but not set any environment variable.
.PARAMETER Verbose
Displays diagnostics information.
.PARAMETER AzureFeed
Default: https://dotnetcli.azureedge.net/dotnet
This parameter typically is not changed by the user.
It allows changing the URL for the Azure feed used by this installer.
.PARAMETER UncachedFeed
This parameter typically is not changed by the user.
It allows changing the URL for the Uncached feed used by this installer.
.PARAMETER FeedCredential
Used as a query string to append to the Azure feed.
It allows changing the URL to use non-public blob storage accounts.
.PARAMETER ProxyAddress
If set, the installer will use the proxy when making web requests
.PARAMETER ProxyUseDefaultCredentials
Default: false
Use default credentials, when using proxy address.
.PARAMETER SkipNonVersionedFiles
Default: false
Skips installing non-versioned files if they already exist, such as dotnet.exe.
.PARAMETER NoCdn
Disable downloading from the Azure CDN, and use the uncached feed directly.
#>
[cmdletbinding()]
param(
[string]$Channel="LTS",
[string]$Version="Latest",
[string]$InstallDir="<auto>",
[string]$Architecture="<auto>",
[ValidateSet("dotnet", "aspnetcore", IgnoreCase = $false)]
[string]$Runtime,
[Obsolete("This parameter may be removed in a future version of this script. The recommended alternative is '-Runtime dotnet'.")]
[switch]$SharedRuntime,
[switch]$DryRun,
[switch]$NoPath,
[string]$AzureFeed="https://dotnetcli.azureedge.net/dotnet",
[string]$UncachedFeed="https://dotnetcli.blob.core.windows.net/dotnet",
[string]$FeedCredential,
[string]$ProxyAddress,
[switch]$ProxyUseDefaultCredentials,
[switch]$SkipNonVersionedFiles,
[switch]$NoCdn
)
Set-StrictMode -Version Latest
$ErrorActionPreference="Stop"
$ProgressPreference="SilentlyContinue"
if ($NoCdn) {
$AzureFeed = $UncachedFeed
}
$BinFolderRelativePath=""
if ($SharedRuntime -and (-not $Runtime)) {
$Runtime = "dotnet"
}
# example path with regex: shared/1.0.0-beta-12345/somepath
$VersionRegEx="/\d+\.\d+[^/]+/"
$OverrideNonVersionedFiles = !$SkipNonVersionedFiles
function Say($str) {
Write-Host "dotnet-install: $str"
}
function Say-Verbose($str) {
Write-Verbose "dotnet-install: $str"
}
function Say-Invocation($Invocation) {
$command = $Invocation.MyCommand;
$args = (($Invocation.BoundParameters.Keys | foreach { "-$_ `"$($Invocation.BoundParameters[$_])`"" }) -join " ")
Say-Verbose "$command $args"
}
function Invoke-With-Retry([ScriptBlock]$ScriptBlock, [int]$MaxAttempts = 3, [int]$SecondsBetweenAttempts = 1) {
$Attempts = 0
while ($true) {
try {
return $ScriptBlock.Invoke()
}
catch {
$Attempts++
if ($Attempts -lt $MaxAttempts) {
Start-Sleep $SecondsBetweenAttempts
}
else {
throw
}
}
}
}
function Get-Machine-Architecture() {
Say-Invocation $MyInvocation
# possible values: amd64, x64, x86, arm64, arm
return $ENV:PROCESSOR_ARCHITECTURE
}
function Get-CLIArchitecture-From-Architecture([string]$Architecture) {
Say-Invocation $MyInvocation
switch ($Architecture.ToLower()) {
{ $_ -eq "<auto>" } { return Get-CLIArchitecture-From-Architecture $(Get-Machine-Architecture) }
{ ($_ -eq "amd64") -or ($_ -eq "x64") } { return "x64" }
{ $_ -eq "x86" } { return "x86" }
{ $_ -eq "arm" } { return "arm" }
{ $_ -eq "arm64" } { return "arm64" }
default { throw "Architecture not supported. If you think this is a bug, report it at https://github.com/dotnet/cli/issues" }
}
}
# The version text returned from the feeds is a 1-line or 2-line string:
# For the SDK and the dotnet runtime (2 lines):
# Line 1: # commit_hash
# Line 2: # 4-part version
# For the aspnetcore runtime (1 line):
# Line 1: # 4-part version
function Get-Version-Info-From-Version-Text([string]$VersionText) {
Say-Invocation $MyInvocation
$Data = -split $VersionText
$VersionInfo = @{
CommitHash = $(if ($Data.Count -gt 1) { $Data[0] })
Version = $Data[-1] # last line is always the version number.
}
return $VersionInfo
}
function Load-Assembly([string] $Assembly) {
try {
Add-Type -Assembly $Assembly | Out-Null
}
catch {
# On Nano Server, Powershell Core Edition is used. Add-Type is unable to resolve base class assemblies because they are not GAC'd.
# Loading the base class assemblies is not unnecessary as the types will automatically get resolved.
}
}
function GetHTTPResponse([Uri] $Uri)
{
Invoke-With-Retry(
{
$HttpClient = $null
try {
# HttpClient is used vs Invoke-WebRequest in order to support Nano Server which doesn't support the Invoke-WebRequest cmdlet.
Load-Assembly -Assembly System.Net.Http
if(-not $ProxyAddress) {
try {
# Despite no proxy being explicitly specified, we may still be behind a default proxy
$DefaultProxy = [System.Net.WebRequest]::DefaultWebProxy;
if($DefaultProxy -and (-not $DefaultProxy.IsBypassed($Uri))) {
$ProxyAddress = $DefaultProxy.GetProxy($Uri).OriginalString
$ProxyUseDefaultCredentials = $true
}
} catch {
# Eat the exception and move forward as the above code is an attempt
# at resolving the DefaultProxy that may not have been a problem.
$ProxyAddress = $null
Say-Verbose("Exception ignored: $_.Exception.Message - moving forward...")
}
}
if($ProxyAddress) {
$HttpClientHandler = New-Object System.Net.Http.HttpClientHandler
$HttpClientHandler.Proxy = New-Object System.Net.WebProxy -Property @{Address=$ProxyAddress;UseDefaultCredentials=$ProxyUseDefaultCredentials}
$HttpClient = New-Object System.Net.Http.HttpClient -ArgumentList $HttpClientHandler
}
else {
$HttpClient = New-Object System.Net.Http.HttpClient
}
# Default timeout for HttpClient is 100s. For a 50 MB download this assumes 500 KB/s average, any less will time out
# 20 minutes allows it to work over much slower connections.
$HttpClient.Timeout = New-TimeSpan -Minutes 20
$Response = $HttpClient.GetAsync("${Uri}${FeedCredential}").Result
if (($Response -eq $null) -or (-not ($Response.IsSuccessStatusCode))) {
# The feed credential is potentially sensitive info. Do not log FeedCredential to console output.
$ErrorMsg = "Failed to download $Uri."
if ($Response -ne $null) {
$ErrorMsg += " $Response"
}
throw $ErrorMsg
}
return $Response
}
finally {
if ($HttpClient -ne $null) {
$HttpClient.Dispose()
}
}
})
}
function Get-Latest-Version-Info([string]$AzureFeed, [string]$Channel, [bool]$Coherent) {
Say-Invocation $MyInvocation
$VersionFileUrl = $null
if ($Runtime -eq "dotnet") {
$VersionFileUrl = "$UncachedFeed/Runtime/$Channel/latest.version"
}
elseif ($Runtime -eq "aspnetcore") {
$VersionFileUrl = "$UncachedFeed/aspnetcore/Runtime/$Channel/latest.version"
}
elseif (-not $Runtime) {
if ($Coherent) {
$VersionFileUrl = "$UncachedFeed/Sdk/$Channel/latest.coherent.version"
}
else {
$VersionFileUrl = "$UncachedFeed/Sdk/$Channel/latest.version"
}
}
else {
throw "Invalid value for `$Runtime"
}
try {
$Response = GetHTTPResponse -Uri $VersionFileUrl
}
catch {
throw "Could not resolve version information."
}
$StringContent = $Response.Content.ReadAsStringAsync().Result
switch ($Response.Content.Headers.ContentType) {
{ ($_ -eq "application/octet-stream") } { $VersionText = $StringContent }
{ ($_ -eq "text/plain") } { $VersionText = $StringContent }
{ ($_ -eq "text/plain; charset=UTF-8") } { $VersionText = $StringContent }
default { throw "``$Response.Content.Headers.ContentType`` is an unknown .version file content type." }
}
$VersionInfo = Get-Version-Info-From-Version-Text $VersionText
return $VersionInfo
}
function Get-Specific-Version-From-Version([string]$AzureFeed, [string]$Channel, [string]$Version) {
Say-Invocation $MyInvocation
switch ($Version.ToLower()) {
{ $_ -eq "latest" } {
$LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $False
return $LatestVersionInfo.Version
}
{ $_ -eq "coherent" } {
$LatestVersionInfo = Get-Latest-Version-Info -AzureFeed $AzureFeed -Channel $Channel -Coherent $True
return $LatestVersionInfo.Version
}
default { return $Version }
}
}
function Get-Download-Link([string]$AzureFeed, [string]$SpecificVersion, [string]$CLIArchitecture) {
Say-Invocation $MyInvocation
if ($Runtime -eq "dotnet") {
$PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/dotnet-runtime-$SpecificVersion-win-$CLIArchitecture.zip"
}
elseif ($Runtime -eq "aspnetcore") {
$PayloadURL = "$AzureFeed/aspnetcore/Runtime/$SpecificVersion/aspnetcore-runtime-$SpecificVersion-win-$CLIArchitecture.zip"
}
elseif (-not $Runtime) {
$PayloadURL = "$AzureFeed/Sdk/$SpecificVersion/dotnet-sdk-$SpecificVersion-win-$CLIArchitecture.zip"
}
else {
throw "Invalid value for `$Runtime"
}
Say-Verbose "Constructed primary named payload URL: $PayloadURL"
return $PayloadURL
}
function Get-LegacyDownload-Link([string]$AzureFeed, [string]$SpecificVersion, [string]$CLIArchitecture) {
Say-Invocation $MyInvocation
if (-not $Runtime) {
$PayloadURL = "$AzureFeed/Sdk/$SpecificVersion/dotnet-dev-win-$CLIArchitecture.$SpecificVersion.zip"
}
elseif ($Runtime -eq "dotnet") {
$PayloadURL = "$AzureFeed/Runtime/$SpecificVersion/dotnet-win-$CLIArchitecture.$SpecificVersion.zip"
}
else {
return $null
}
Say-Verbose "Constructed legacy named payload URL: $PayloadURL"
return $PayloadURL
}
function Get-User-Share-Path() {
Say-Invocation $MyInvocation
$InstallRoot = $env:DOTNET_INSTALL_DIR
if (!$InstallRoot) {
$InstallRoot = "$env:LocalAppData\Microsoft\dotnet"
}
return $InstallRoot
}
function Resolve-Installation-Path([string]$InstallDir) {
Say-Invocation $MyInvocation
if ($InstallDir -eq "<auto>") {
return Get-User-Share-Path
}
return $InstallDir
}
function Get-Version-Info-From-Version-File([string]$InstallRoot, [string]$RelativePathToVersionFile) {
Say-Invocation $MyInvocation
$VersionFile = Join-Path -Path $InstallRoot -ChildPath $RelativePathToVersionFile
Say-Verbose "Local version file: $VersionFile"
if (Test-Path $VersionFile) {
$VersionText = cat $VersionFile
Say-Verbose "Local version file text: $VersionText"
return Get-Version-Info-From-Version-Text $VersionText
}
Say-Verbose "Local version file not found."
return $null
}
function Is-Dotnet-Package-Installed([string]$InstallRoot, [string]$RelativePathToPackage, [string]$SpecificVersion) {
Say-Invocation $MyInvocation
$DotnetPackagePath = Join-Path -Path $InstallRoot -ChildPath $RelativePathToPackage | Join-Path -ChildPath $SpecificVersion
Say-Verbose "Is-Dotnet-Package-Installed: Path to a package: $DotnetPackagePath"
return Test-Path $DotnetPackagePath -PathType Container
}
function Get-Absolute-Path([string]$RelativeOrAbsolutePath) {
# Too much spam
# Say-Invocation $MyInvocation
return $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($RelativeOrAbsolutePath)
}
function Get-Path-Prefix-With-Version($path) {
$match = [regex]::match($path, $VersionRegEx)
if ($match.Success) {
return $entry.FullName.Substring(0, $match.Index + $match.Length)
}
return $null
}
function Get-List-Of-Directories-And-Versions-To-Unpack-From-Dotnet-Package([System.IO.Compression.ZipArchive]$Zip, [string]$OutPath) {
Say-Invocation $MyInvocation
$ret = @()
foreach ($entry in $Zip.Entries) {
$dir = Get-Path-Prefix-With-Version $entry.FullName
if ($dir -ne $null) {
$path = Get-Absolute-Path $(Join-Path -Path $OutPath -ChildPath $dir)
if (-Not (Test-Path $path -PathType Container)) {
$ret += $dir
}
}
}
$ret = $ret | Sort-Object | Get-Unique
$values = ($ret | foreach { "$_" }) -join ";"
Say-Verbose "Directories to unpack: $values"
return $ret
}
# Example zip content and extraction algorithm:
# Rule: files if extracted are always being extracted to the same relative path locally
# .\
# a.exe # file does not exist locally, extract
# b.dll # file exists locally, override only if $OverrideFiles set
# aaa\ # same rules as for files
# ...
# abc\1.0.0\ # directory contains version and exists locally
# ... # do not extract content under versioned part
# abc\asd\ # same rules as for files
# ...
# def\ghi\1.0.1\ # directory contains version and does not exist locally
# ... # extract content
function Extract-Dotnet-Package([string]$ZipPath, [string]$OutPath) {
Say-Invocation $MyInvocation
Load-Assembly -Assembly System.IO.Compression.FileSystem
Set-Variable -Name Zip
try {
$Zip = [System.IO.Compression.ZipFile]::OpenRead($ZipPath)
$DirectoriesToUnpack = Get-List-Of-Directories-And-Versions-To-Unpack-From-Dotnet-Package -Zip $Zip -OutPath $OutPath
foreach ($entry in $Zip.Entries) {
$PathWithVersion = Get-Path-Prefix-With-Version $entry.FullName
if (($PathWithVersion -eq $null) -Or ($DirectoriesToUnpack -contains $PathWithVersion)) {
$DestinationPath = Get-Absolute-Path $(Join-Path -Path $OutPath -ChildPath $entry.FullName)
$DestinationDir = Split-Path -Parent $DestinationPath
$OverrideFiles=$OverrideNonVersionedFiles -Or (-Not (Test-Path $DestinationPath))
if ((-Not $DestinationPath.EndsWith("\")) -And $OverrideFiles) {
New-Item -ItemType Directory -Force -Path $DestinationDir | Out-Null
[System.IO.Compression.ZipFileExtensions]::ExtractToFile($entry, $DestinationPath, $OverrideNonVersionedFiles)
}
}
}
}
finally {
if ($Zip -ne $null) {
$Zip.Dispose()
}
}
}
function DownloadFile($Source, [string]$OutPath) {
if ($Source -notlike "http*") {
# Using System.IO.Path.GetFullPath to get the current directory
# does not work in this context - $pwd gives the current directory
if (![System.IO.Path]::IsPathRooted($Source)) {
$Source = $(Join-Path -Path $pwd -ChildPath $Source)
}
$Source = Get-Absolute-Path $Source
Say "Copying file from $Source to $OutPath"
Copy-Item $Source $OutPath
return
}
$Stream = $null
try {
$Response = GetHTTPResponse -Uri $Source
$Stream = $Response.Content.ReadAsStreamAsync().Result
$File = [System.IO.File]::Create($OutPath)
$Stream.CopyTo($File)
$File.Close()
}
finally {
if ($Stream -ne $null) {
$Stream.Dispose()
}
}
}
function Prepend-Sdk-InstallRoot-To-Path([string]$InstallRoot, [string]$BinFolderRelativePath) {
$BinPath = Get-Absolute-Path $(Join-Path -Path $InstallRoot -ChildPath $BinFolderRelativePath)
if (-Not $NoPath) {
$SuffixedBinPath = "$BinPath;"
if (-Not $env:path.Contains($SuffixedBinPath)) {
Say "Adding to current process PATH: `"$BinPath`". Note: This change will not be visible if PowerShell was run as a child process."
$env:path = $SuffixedBinPath + $env:path
} else {
Say-Verbose "Current process PATH already contains `"$BinPath`""
}
}
else {
Say "Binaries of dotnet can be found in $BinPath"
}
}
$CLIArchitecture = Get-CLIArchitecture-From-Architecture $Architecture
$SpecificVersion = Get-Specific-Version-From-Version -AzureFeed $AzureFeed -Channel $Channel -Version $Version
$DownloadLink = Get-Download-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
$LegacyDownloadLink = Get-LegacyDownload-Link -AzureFeed $AzureFeed -SpecificVersion $SpecificVersion -CLIArchitecture $CLIArchitecture
$InstallRoot = Resolve-Installation-Path $InstallDir
Say-Verbose "InstallRoot: $InstallRoot"
$ScriptName = $MyInvocation.MyCommand.Name
if ($DryRun) {
Say "Payload URLs:"
Say "Primary named payload URL: $DownloadLink"
if ($LegacyDownloadLink) {
Say "Legacy named payload URL: $LegacyDownloadLink"
}
$RepeatableCommand = ".\$ScriptName -Version `"$SpecificVersion`" -InstallDir `"$InstallRoot`" -Architecture `"$CLIArchitecture`""
if ($Runtime -eq "dotnet") {
$RepeatableCommand+=" -Runtime `"dotnet`""
}
elseif ($Runtime -eq "aspnetcore") {
$RepeatableCommand+=" -Runtime `"aspnetcore`""
}
foreach ($key in $MyInvocation.BoundParameters.Keys) {
if (-not (@("Architecture","Channel","DryRun","InstallDir","Runtime","SharedRuntime","Version") -contains $key)) {
$RepeatableCommand+=" -$key `"$($MyInvocation.BoundParameters[$key])`""
}
}
Say "Repeatable invocation: $RepeatableCommand"
exit 0
}
if ($Runtime -eq "dotnet") {
$assetName = ".NET Core Runtime"
$dotnetPackageRelativePath = "shared\Microsoft.NETCore.App"
}
elseif ($Runtime -eq "aspnetcore") {
$assetName = "ASP.NET Core Runtime"
$dotnetPackageRelativePath = "shared\Microsoft.AspNetCore.App"
}
elseif (-not $Runtime) {
$assetName = ".NET Core SDK"
$dotnetPackageRelativePath = "sdk"
}
else {
throw "Invalid value for `$Runtime"
}
# Check if the SDK version is already installed.
$isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
if ($isAssetInstalled) {
Say "$assetName version $SpecificVersion is already installed."
Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath $BinFolderRelativePath
exit 0
}
New-Item -ItemType Directory -Force -Path $InstallRoot | Out-Null
$installDrive = $((Get-Item $InstallRoot).PSDrive.Name);
$diskInfo = Get-PSDrive -Name $installDrive
if ($diskInfo.Free / 1MB -le 100) {
Say "There is not enough disk space on drive ${installDrive}:"
exit 0
}
$ZipPath = [System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName())
Say-Verbose "Zip path: $ZipPath"
$DownloadFailed = $false
Say "Downloading link: $DownloadLink"
try {
DownloadFile -Source $DownloadLink -OutPath $ZipPath
}
catch {
Say "Cannot download: $DownloadLink"
if ($LegacyDownloadLink) {
$DownloadLink = $LegacyDownloadLink
$ZipPath = [System.IO.Path]::combine([System.IO.Path]::GetTempPath(), [System.IO.Path]::GetRandomFileName())
Say-Verbose "Legacy zip path: $ZipPath"
Say "Downloading legacy link: $DownloadLink"
try {
DownloadFile -Source $DownloadLink -OutPath $ZipPath
}
catch {
Say "Cannot download: $DownloadLink"
$DownloadFailed = $true
}
}
else {
$DownloadFailed = $true
}
}
if ($DownloadFailed) {
throw "Could not find/download: `"$assetName`" with version = $SpecificVersion`nRefer to: https://aka.ms/dotnet-os-lifecycle for information on .NET Core support"
}
Say "Extracting zip from $DownloadLink"
Extract-Dotnet-Package -ZipPath $ZipPath -OutPath $InstallRoot
# Check if the SDK version is now installed; if not, fail the installation.
$isAssetInstalled = Is-Dotnet-Package-Installed -InstallRoot $InstallRoot -RelativePathToPackage $dotnetPackageRelativePath -SpecificVersion $SpecificVersion
if (!$isAssetInstalled) {
throw "`"$assetName`" with version = $SpecificVersion failed to install with an unknown error."
}
Remove-Item $ZipPath
Prepend-Sdk-InstallRoot-To-Path -InstallRoot $InstallRoot -BinFolderRelativePath $BinFolderRelativePath
Say "Installation finished"
exit 0