[ci] Move CI builds to 1ES's hardened images. (#953)

Author: jpobst

build-tools/automation/azure-pipelines.yaml

@@ -22,16 +22,20 @@ variables:
 Build.Configuration: Release
 MaxJdkVersion: 8
 DotNetCoreVersion: 6.0.x
-HostedMacImage: macOS-10.15
-HostedWinImage: windows-2022
+1ESWindowsPool: AzurePipelines-EO
+1ESWindowsImage: AzurePipelinesWindows2022compliant
+1ESMacPool: Azure Pipelines
+1ESMacImage: internal-macos-11
 NetCoreTargetFrameworkPathSuffix: -net6.0
 VSInstallRoot: C:\Program Files\Microsoft Visual Studio\2022\Enterprise
 
 jobs:
 - job: windows_build
 displayName: Windows - .NET Framework
 pool:
-vmImage: $(HostedWinImage)
+name: $(1ESWindowsPool)
+demands: 
+ - ImageOverride -equals $(1ESWindowsImage)
 timeoutInMinutes: 20
 workspace:
 clean: all
@@ -77,7 +81,9 @@ jobs:
 - job: windows_dotnet_build
 displayName: Windows - .NET Core
 pool:
-vmImage: $(HostedWinImage)
+name: $(1ESWindowsPool)
+demands: 
+ - ImageOverride -equals $(1ESWindowsImage)
 timeoutInMinutes: 20
 workspace:
 clean: all
@@ -114,7 +120,8 @@ jobs:
 - job: mac_build
 displayName: Mac - Mono
 pool:
-vmImage: $(HostedMacImage)
+name: $(1ESMacPool)
+vmImage: $(1ESMacImage)
 timeoutInMinutes: 20
 workspace:
 clean: all
@@ -166,7 +173,8 @@ jobs:
 - job: mac_dotnet_build
 displayName: Mac - .NET Core
 pool:
-vmImage: $(HostedMacImage)
+name: $(1ESMacPool)
+vmImage: $(1ESMacImage)
 timeoutInMinutes: 20
 workspace:
 clean: all