Update build and packaging for Alpine

.vsts-ci/linux.yml

@@ -20,6 +20,8 @@ phases:
         buildName: ubuntu.16.04
       Linux Native:
         buildName: centos.7
+      Linux Alpine:
+        buildName: alpine
 
   steps:
   - powershell: |

build.psm1

@@ -144,6 +144,7 @@ function Get-EnvironmentInformation
         $environment += @{'IsOpenSUSE42.1' = $Environment.IsOpenSUSE -and $LinuxInfo.VERSION_ID  -match '42.1'}
         $environment += @{'IsRedHatFamily' = $Environment.IsCentOS -or $Environment.IsFedora}
         $environment += @{'IsSUSEFamily' = $Environment.IsSLES -or $Environment.IsOpenSUSE}
+        $environment += @{'IsAlpine' = $LinuxInfo.ID -match 'alpine'}
 
         # Workaround for temporary LD_LIBRARY_PATH hack for Fedora 24
         # https://github.com/PowerShell/PowerShell/issues/2511
@@ -491,6 +492,10 @@ function Start-BuildPowerShellNativePackage
         [ValidateScript({Test-Path $_ -PathType Leaf})]
         [string] $LinuxARMZipPath,
 
+        [Parameter(Mandatory = $true)]
+        [ValidateScript({Test-Path $_ -PathType Leaf})]
+        [string] $LinuxAlpineZipPath,
+
         [Parameter(Mandatory = $true)]
         [ValidateScript({Test-Path $_ -PathType Leaf})]
         [string] $macOSZipPath,
@@ -520,6 +525,7 @@ function Start-BuildPowerShellNativePackage
     $BinFolderARM64 = Join-Path $tempExtractionPath "ARM64"
     $BinFolderLinux = Join-Path $tempExtractionPath "Linux"
     $BinFolderLinuxARM = Join-Path $tempExtractionPath "LinuxARM"
+    $BinFolderLinuxAlpine = Join-Path $tempExtractionPath "LinuxAlpine"
     $BinFolderMacOS = Join-Path $tempExtractionPath "MacOS"
     $BinFolderPSRP = Join-Path $tempExtractionPath "PSRP"
 
@@ -528,13 +534,14 @@ function Start-BuildPowerShellNativePackage
     Expand-Archive -Path $WindowsARMZipPath -DestinationPath $BinFolderARM -Force
     Expand-Archive -Path $WindowsARM64ZipPath -DestinationPath $BinFolderARM64 -Force
     Expand-Archive -Path $LinuxZipPath -DestinationPath $BinFolderLinux -Force
+    Expand-Archive -Path $LinuxAlpineZipPath -DestinationPath $BinFolderLinuxAlpine -Force
     Expand-Archive -Path $LinuxARMZipPath -DestinationPath $BinFolderLinuxARM -Force
     Expand-Archive -Path $macOSZipPath -DestinationPath $BinFolderMacOS -Force
     Expand-Archive -Path $psrpZipPath -DestinationPath $BinFolderPSRP -Force
 
     PlaceWindowsNativeBinaries -PackageRoot $PackageRoot -BinFolderX64 $BinFolderX64 -BinFolderX86 $BinFolderX86 -BinFolderARM $BinFolderARM -BinFolderARM64 $BinFolderARM64
 
-    PlaceUnixBinaries -PackageRoot $PackageRoot -BinFolderLinux $BinFolderLinux -BinFolderLinuxARM $BinFolderLinuxARM -BinFolderOSX $BinFolderMacOS -BinFolderPSRP $BinFolderPSRP
+    PlaceUnixBinaries -PackageRoot $PackageRoot -BinFolderLinux $BinFolderLinux -BinFolderLinuxARM $BinFolderLinuxARM -BinFolderOSX $BinFolderMacOS -BinFolderPSRP $BinFolderPSRP -BinFolderLinuxAlpine $BinFolderLinuxAlpine
 
     $Nuspec = @'
 <?xml version="1.0" encoding="utf-8"?>
@@ -599,6 +606,10 @@ function PlaceUnixBinaries
         [ValidateScript({Test-Path $_ -PathType Container})]
         $BinFolderLinuxARM,
 
+        [Parameter(Mandatory = $true)]
+        [ValidateScript({Test-Path $_ -PathType Container})]
+        $BinFolderLinuxAlpine,
+
         [Parameter(Mandatory = $true)]
         [ValidateScript({Test-Path $_ -PathType Container})]
         $BinFolderOSX,
@@ -610,10 +621,12 @@ function PlaceUnixBinaries
 
     $RuntimePathLinux = New-Item -ItemType Directory -Path (Join-Path $PackageRoot -ChildPath 'runtimes/linux-x64/native') -Force
     $RuntimePathLinuxARM = New-Item -ItemType Directory -Path (Join-Path $PackageRoot -ChildPath 'runtimes/linux-arm/native') -Force
+    $RuntimePathLinuxAlpine = New-Item -ItemType Directory -Path (Join-Path $PackageRoot -ChildPath 'runtimes/linux-musl-x64/native') -Force
     $RuntimePathOSX = New-Item -ItemType Directory -Path (Join-Path $PackageRoot -ChildPath 'runtimes/osx/native') -Force
 
     Copy-Item "$BinFolderLinux\*" -Destination $RuntimePathLinux -Verbose
     Copy-Item "$BinFolderLinuxARM\*" -Destination $RuntimePathLinuxARM -Verbose
+    Copy-Item "$BinFolderLinuxAlpine\*" -Destination $RuntimePathLinuxAlpine -Verbose
     Copy-Item "$BinFolderOSX\*" -Destination $RuntimePathOSX -Verbose
 
     ## LinuxARM is not supported by PSRP
@@ -1979,6 +1992,12 @@ function Start-PSBootstrap {
 
                 # Install patched version of curl
                 Start-NativeExecution { brew install curl --with-openssl --with-gssapi } -IgnoreExitcode
+            } elseif ($Environment.IsAlpine) {
+                $Deps += "build-base", "gcc", "abuild", "binutils", "git", "python", "bash", "cmake"
+
+                # Install dependencies
+                Start-NativeExecution { apk update }
+                Start-NativeExecution { apk add $Deps }
             }
 
             # Install [fpm](https://github.com/jordansissel/fpm) and [ronn](https://github.com/rtomayko/ronn)

tools/releaseBuild/PowershellNative.ps1

@@ -6,7 +6,7 @@
 param (
 
     [Parameter(Mandatory, ParameterSetName = 'Build')]
-    [ValidateSet('x64', 'x86', 'x64_arm', 'x64_arm64', 'linux-x64', 'osx', 'linux-arm')]
+    [ValidateSet('x64', 'x86', 'x64_arm', 'x64_arm64', 'linux-x64', 'osx', 'linux-arm', 'linux-musl-x64')]
     [string]
     $Arch,
 
@@ -31,7 +31,7 @@ end {
     $binOut = New-Item -Path $TargetLocation -ItemType Directory -Force
     Write-Verbose "Created output directory: $binOut" -Verbose
 
-    if ($Arch -eq 'linux-x64' -or $Arch -eq 'osx') {
+    if ($Arch -eq 'linux-x64' -or $Arch -eq 'osx' -or $Arch -eq 'linux-musl-x64') {
 
         Write-Verbose "Starting Build for: $Arch" -Verbose
 
@@ -61,7 +61,6 @@ end {
         } else {
             Write-Verbose -Verbose "Skipping artifact upload since this is a PR."
         }
-
     }
     else {
         Write-Verbose "Starting Start-PSBootstrap" -Verbose

tools/releaseBuild/build.json

@@ -97,6 +97,18 @@
             "DockerImageName": "ps-centos-7",
             "BinaryBucket": "release",
             "EnableFeature": [ "ArtifactAsFolder" ]
+        },
+        {
+            "Name": "alpine",
+            "RepoDestinationPath": "/PowerShellNative",
+            "BuildCommand": "/PowerShellNative/tools/releaseBuild/PowershellNative.ps1 -RepoRoot _RepoDestinationPath_ -TargetLocation _DockerVolume_ -Arch linux-musl-x64 -Configuration Release",
+            "AdditionalContextFiles": [
+                "./tools/releaseBuild/PowershellNative.ps1"
+            ],
+            "DockerFile": "./tools/releaseBuild/images/Alpine/Dockerfile",
+            "DockerImageName": "ps-alpine",
+            "BinaryBucket": "release",
+            "EnableFeature": [ "ArtifactAsFolder" ]
         }
     ]
 }

tools/releaseBuild/images/Alpine/Dockerfile

@@ -0,0 +1,6 @@
+FROM mcr.microsoft.com/powershell:6.1.0-alpine-3.8
+
+RUN apk update \
+    && apk add build-base gcc abuild binutils git python bash cmake
+
+ENTRYPOINT [ "pwsh" ]