Support Windows

.ci/Jenkinsfile

@@ -43,7 +43,7 @@ pipeline {
           }
           axis {
             name 'PLATFORM'
-            values 'ubuntu-18 && immutable' // TODO: support windows, 'windows-2019 && immutable'
+            values 'ubuntu-18 && immutable', 'windows-2019 && immutable'
           }
         }
         stages {
@@ -55,7 +55,15 @@ pipeline {
                   deleteDir()
                   unstash 'source'
                   dir("${BASE_DIR}"){
-                    sh(label: "test for ${GO_VERSION} in ${PLATFORM}", script: '.ci/scripts/test.sh')
+                    whenTrue(isUnix()) {
+                      sh(label: "go test for ${GO_VERSION} in ${PLATFORM}", script: '.ci/scripts/test.sh')
+                    }
+                    whenFalse(isUnix()) {
+                      retryWithSleep(retries: 2, seconds: 5, backoff: true){
+                        bat(label: "Install Go/Mage ${GO_VERSION}", script: ".ci/scripts/install-tools.bat")
+                      }
+                      bat(label: "go test for ${GO_VERSION} in ${PLATFORM}", script: '.ci/scripts/test.bat')
+                    }
                   }
                 }
               }
@@ -76,3 +84,27 @@ pipeline {
     }
   }
 }
+
+def withGoEnvMultiplatform(Map args = [:], Closure body) {
+  if(isUnix()) {
+    withGoEnv(version: "${args.version}"){
+      body()
+    }
+  } else {
+    def mingwArch = is32() ? '32' : '64'
+    def goArch = is32() ? '386' : 'amd64'
+    def chocoPath = 'C:\\ProgramData\\chocolatey\\bin'
+    def userProfile="${env.WORKSPACE}"
+    def goRoot = "${userProfile}\\.gvm\\versions\\go${args.version}.windows.${goArch}"
+    def path = "${env.WORKSPACE}\\bin;${goRoot}\\bin;${chocoPath};C:\\tools\\mingw${mingwArch}\\bin;${env.PATH}"
+    withEnv([
+      "GOPATH=${env.WORKSPACE}",
+      "GOROOT=${goRoot}",
+      "HOME=${env.WORKSPACE}",
+      "PATH=${path}",
+      "USERPROFILE=${userProfile}"
+    ]) {
+      body()
+    }
+  }
+}

.ci/scripts/install-tools.bat

@@ -0,0 +1,53 @@
+where /q curl
+IF ERRORLEVEL 1 (
+    choco install curl -y --no-progress --skipdownloadcache
+    IF ERRORLEVEL 1 (
+        REM curl installation has failed.
+        exit /b 1
+    )
+)
+mkdir %WORKSPACE%\bin
+
+IF EXIST "%PROGRAMFILES(X86)%" (
+    REM Force the gvm installation.
+    SET GVM_BIN=gvm.exe
+    curl -L -o %WORKSPACE%\bin\gvm.exe https://github.com/andrewkroh/gvm/releases/download/v0.2.4/gvm-windows-amd64.exe
+    IF ERRORLEVEL 1 (
+        REM gvm installation has failed.
+        exit /b 1
+    )
+) ELSE (
+    REM Windows 7 workers got a broken gvm installation.
+    curl -L -o %WORKSPACE%\bin\gvm.exe https://github.com/andrewkroh/gvm/releases/download/v0.2.4/gvm-windows-386.exe
+    IF ERRORLEVEL 1 (
+        REM gvm installation has failed.
+        exit /b 1
+    )
+)
+
+SET GVM_BIN=gvm.exe
+WHERE /q %GVM_BIN%
+%GVM_BIN% version
+
+REM Install the given go version
+%GVM_BIN% --debug install %GO_VERSION%
+
+REM Configure the given go version
+FOR /f "tokens=*" %%i IN ('"%GVM_BIN%" use %GO_VERSION% --format=batch') DO %%i
+
+go env
+IF ERRORLEVEL 1 (
+    REM go is not configured correctly.
+    exit /b 1
+)
+
+where /q gcc
+IF ERRORLEVEL 1 (
+    REM Install mingw 5.3.0
+    choco install mingw -y -r --no-progress --version 5.3.0
+    IF NOT ERRORLEVEL 0 (
+        exit /b 1
+    )
+)
+gcc --version
+where gcc

.ci/scripts/test.bat

@@ -0,0 +1,11 @@
+GO111MODULE=off go get -u github.com/elastic/go-licenser
+go mod verify
+go-licenser -d
+go run .ci/scripts/check_format.go
+go run .ci/scripts/check_lint.go
+
+mkdir -p build
+SET OUT_FILE=build\output-report.out
+go test "./..." -v > %OUT_FILE% | type %OUT_FILE%
+go get -v -u github.com/jstemmer/go-junit-report
+go-junit-report > build\junit-%GO_VERSION%.xml < %OUT_FILE%