Update dependencies from https://github.com/dotnet/arcade build 20190729.1 (#15881)

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19379.1
- Microsoft.DotNet.Helix.Sdk - 2.0.0-beta.19379.1

23 files changed, 278 insertions, 202 deletions

diff --git a/eng/common/init-tools-native.ps1 b/eng/common/init-tools-native.ps1
index eaa05880c55..8cf18bcfeba 100644
--- a/eng/common/init-tools-native.ps1
+++ b/eng/common/init-tools-native.ps1
@@ -98,7 +98,7 @@ try {
       }
 
       Write-Verbose "Installing $ToolName version $ToolVersion"
-      Write-Verbose "Executing '$InstallerPath $LocalInstallerArguments'"
+      Write-Verbose "Executing '$InstallerPath $($LocalInstallerArguments.Keys.ForEach({"-$_ '$($LocalInstallerArguments.$_)'"}) -join ' ')'"
       & $InstallerPath @LocalInstallerArguments
       if ($LASTEXITCODE -Ne "0") {
         $errMsg = "$ToolName installation failed"
diff --git a/eng/common/native/CommonLibrary.psm1 b/eng/common/native/CommonLibrary.psm1
index 7a34c7e8a42..2a08d5246e7 100644
--- a/eng/common/native/CommonLibrary.psm1
+++ b/eng/common/native/CommonLibrary.psm1
@@ -59,9 +59,38 @@ function DownloadAndExtract {
                                           -Verbose:$Verbose
 
   if ($UnzipStatus -Eq $False) {
-    Write-Error "Unzip failed"
-    return $False
+    # Retry Download one more time with Force=true
+    $DownloadRetryStatus = CommonLibrary\Get-File -Uri $Uri `
+                                             -Path $TempToolPath `
+                                             -DownloadRetries 1 `
+                                             -RetryWaitTimeInSeconds $RetryWaitTimeInSeconds `
+                                             -Force:$True `
+                                             -Verbose:$Verbose
+
+    if ($DownloadRetryStatus -Eq $False) {
+      Write-Error "Last attempt of download failed as well"
+      return $False
+    }
+
+    # Retry unzip again one more time with Force=true
+    $UnzipRetryStatus = CommonLibrary\Expand-Zip -ZipPath $TempToolPath `
+                                            -OutputDirectory $InstallDirectory `
+                                            -Force:$True `
+                                            -Verbose:$Verbose
+    if ($UnzipRetryStatus -Eq $False)
+    {
+      Write-Error "Last attempt of unzip failed as well"
+      # Clean up partial zips and extracts
+      if (Test-Path $TempToolPath) {
+        Remove-Item $TempToolPath -Force
+      }
+      if (Test-Path $InstallDirectory) {
+        Remove-Item $InstallDirectory -Force -Recurse
+      }
+      return $False
+    }
   }
+
   return $True
 }
 
diff --git a/eng/common/post-build/darc-gather-drop.ps1 b/eng/common/post-build/darc-gather-drop.ps1
index 9cc2f1a0091..93a0bd83285 100644
--- a/eng/common/post-build/darc-gather-drop.ps1
+++ b/eng/common/post-build/darc-gather-drop.ps1
@@ -1,13 +1,12 @@
 param(
-  [Parameter(Mandatory=$true)][string] $BarBuildId,             # ID of the build which assets should be downloaded
-  [Parameter(Mandatory=$true)][string] $MaestroAccessToken,     # Token used to access Maestro API
-  [Parameter(Mandatory=$true)][string] $DropLocation            # Where the assets should be downloaded to
+  [Parameter(Mandatory=$true)][int] $BarBuildId,                # ID of the build which assets should be downloaded
+  [Parameter(Mandatory=$true)][string] $DropLocation,           # Where the assets should be downloaded to
+  [Parameter(Mandatory=$true)][string] $MaestroApiAccessToken,  # Token used to access Maestro API
+  [Parameter(Mandatory=$false)][string] $MaestroApiEndPoint = "https://maestro-prod.westus2.cloudapp.azure.com",     # Maestro API URL
+  [Parameter(Mandatory=$false)][string] $MaestroApiVersion = "2019-01-16"                                            # Version of Maestro API to use
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
+. $PSScriptRoot\post-build-utils.ps1
 
 try {
   Write-Host "Installing DARC ..."
@@ -24,8 +23,8 @@ try {
     --continue-on-error `
     --id $BarBuildId `
     --output-dir $DropLocation `
-    --bar-uri https://maestro-prod.westus2.cloudapp.azure.com/ `
-    --password $MaestroAccessToken `
+    --bar-uri $MaestroApiEndpoint `
+    --password $MaestroApiAccessToken `
     --latest-location
 }
 catch {
diff --git a/eng/common/post-build/dotnetsymbol-init.ps1 b/eng/common/post-build/dotnetsymbol-init.ps1
deleted file mode 100644
index e7659b98c8c..00000000000
--- a/eng/common/post-build/dotnetsymbol-init.ps1
+++ /dev/null
@@ -1,29 +0,0 @@
-param (
-  $dotnetsymbolVersion = $null
-)
-
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-$verbosity = "minimal"
-
-function Installdotnetsymbol ($dotnetsymbolVersion) {
-  $dotnetsymbolPackageName = "dotnet-symbol"
-
-  $dotnetRoot = InitializeDotNetCli -install:$true
-  $dotnet = "$dotnetRoot\dotnet.exe"
-  $toolList = & "$dotnet" tool list --global
-
-  if (($toolList -like "*$dotnetsymbolPackageName*") -and ($toolList -like "*$dotnetsymbolVersion*")) {
-    Write-Host "dotnet-symbol version $dotnetsymbolVersion is already installed."
-  }
-  else {
-    Write-Host "Installing dotnet-symbol version $dotnetsymbolVersion..."
-    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-    & "$dotnet" tool install $dotnetsymbolPackageName --version $dotnetsymbolVersion --verbosity $verbosity --global
-  }
-}
-
-Installdotnetsymbol $dotnetsymbolVersion
diff --git a/eng/common/post-build/nuget-validation.ps1 b/eng/common/post-build/nuget-validation.ps1
index 1bdced1e307..78ed0d540f5 100644
--- a/eng/common/post-build/nuget-validation.ps1
+++ b/eng/common/post-build/nuget-validation.ps1
@@ -6,10 +6,7 @@ param(
   [Parameter(Mandatory=$true)][string] $ToolDestinationPath     # Where the validation tool should be downloaded to
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
+. $PSScriptRoot\post-build-utils.ps1
 
 try {
   $url = "https://raw.githubusercontent.com/NuGet/NuGetGallery/jver-verify/src/VerifyMicrosoftPackage/verify.ps1" 
diff --git a/eng/common/post-build/post-build-utils.ps1 b/eng/common/post-build/post-build-utils.ps1
new file mode 100644
index 00000000000..551ae113f89
--- /dev/null
+++ b/eng/common/post-build/post-build-utils.ps1
@@ -0,0 +1,90 @@
+# Most of the functions in this file require the variables `MaestroApiEndPoint`, 
+# `MaestroApiVersion` and `MaestroApiAccessToken` to be globally available.
+
+$ErrorActionPreference = "Stop"
+Set-StrictMode -Version 2.0
+
+# `tools.ps1` checks $ci to perform some actions. Since the post-build
+# scripts don't necessarily execute in the same agent that run the
+# build.ps1/sh script this variable isn't automatically set.
+$ci = $true
+. $PSScriptRoot\..\tools.ps1
+
+function Create-MaestroApiRequestHeaders([string]$ContentType = "application/json") {
+  Validate-MaestroVars
+
+  $headers = New-Object 'System.Collections.Generic.Dictionary[[String],[String]]'
+  $headers.Add('Accept', $ContentType)
+  $headers.Add('Authorization',"Bearer $MaestroApiAccessToken")
+  return $headers
+}
+
+function Get-MaestroChannel([int]$ChannelId) {
+  Validate-MaestroVars
+
+  $apiHeaders = Create-MaestroApiRequestHeaders
+  $apiEndpoint = "$MaestroApiEndPoint/api/channels/${ChannelId}?api-version=$MaestroApiVersion"
+  
+  $result = try { Invoke-WebRequest -Method Get -Uri $apiEndpoint -Headers $apiHeaders | ConvertFrom-Json } catch { Write-Host "Error: $_" }
+  return $result
+}
+
+function Get-MaestroBuild([int]$BuildId) {
+  Validate-MaestroVars
+
+  $apiHeaders = Create-MaestroApiRequestHeaders -AuthToken $MaestroApiAccessToken
+  $apiEndpoint = "$MaestroApiEndPoint/api/builds/${BuildId}?api-version=$MaestroApiVersion"
+
+  $result = try { return Invoke-WebRequest -Method Get -Uri $apiEndpoint -Headers $apiHeaders | ConvertFrom-Json } catch { Write-Host "Error: $_" }
+  return $result
+}
+
+function Get-MaestroSubscriptions([string]$SourceRepository, [int]$ChannelId) {
+  Validate-MaestroVars
+
+  $SourceRepository = [System.Web.HttpUtility]::UrlEncode($SourceRepository) 
+  $apiHeaders = Create-MaestroApiRequestHeaders -AuthToken $MaestroApiAccessToken
+  $apiEndpoint = "$MaestroApiEndPoint/api/subscriptions?sourceRepository=$SourceRepository&channelId=$ChannelId&api-version=$MaestroApiVersion"
+
+  $result = try { Invoke-WebRequest -Method Get -Uri $apiEndpoint -Headers $apiHeaders | ConvertFrom-Json } catch { Write-Host "Error: $_" }
+  return $result
+}
+
+function Trigger-Subscription([string]$SubscriptionId) {
+  Validate-MaestroVars
+
+  $apiHeaders = Create-MaestroApiRequestHeaders -AuthToken $MaestroApiAccessToken
+  $apiEndpoint = "$MaestroApiEndPoint/api/subscriptions/$SubscriptionId/trigger?api-version=$MaestroApiVersion"
+  Invoke-WebRequest -Uri $apiEndpoint -Headers $apiHeaders -Method Post | Out-Null
+}
+
+function Assign-BuildToChannel([int]$BuildId, [int]$ChannelId) {
+  Validate-MaestroVars
+
+  $apiHeaders = Create-MaestroApiRequestHeaders -AuthToken $MaestroApiAccessToken
+  $apiEndpoint = "$MaestroApiEndPoint/api/channels/${ChannelId}/builds/${BuildId}?api-version=$MaestroApiVersion"
+  Invoke-WebRequest -Method Post -Uri $apiEndpoint -Headers $apiHeaders | Out-Null
+}
+
+function Validate-MaestroVars {
+  try {
+    Get-Variable MaestroApiEndPoint -Scope Global | Out-Null
+    Get-Variable MaestroApiVersion -Scope Global | Out-Null
+    Get-Variable MaestroApiAccessToken -Scope Global | Out-Null
+
+    if (!($MaestroApiEndPoint -Match "^http[s]?://maestro-(int|prod).westus2.cloudapp.azure.com$")) {
+      Write-PipelineTaskError "MaestroApiEndPoint is not a valid Maestro URL. '$MaestroApiEndPoint'"
+      ExitWithExitCode 1  
+    }
+
+    if (!($MaestroApiVersion -Match "^[0-9]{4}-[0-9]{2}-[0-9]{2}$")) {
+      Write-PipelineTaskError "MaestroApiVersion does not match a version string in the format yyyy-MM-DD. '$MaestroApiVersion'"
+      ExitWithExitCode 1
+    }
+  }
+  catch {
+    Write-PipelineTaskError "Error: Variables `MaestroApiEndPoint`, `MaestroApiVersion` and `MaestroApiAccessToken` are required while using this script."
+    Write-Host $_
+    ExitWithExitCode 1
+  }
+}
diff --git a/eng/common/post-build/promote-build.ps1 b/eng/common/post-build/promote-build.ps1
index 84a608fa569..e5ae85f2517 100644
--- a/eng/common/post-build/promote-build.ps1
+++ b/eng/common/post-build/promote-build.ps1
@@ -1,30 +1,25 @@
 param(
   [Parameter(Mandatory=$true)][int] $BuildId,
   [Parameter(Mandatory=$true)][int] $ChannelId,
-  [Parameter(Mandatory=$true)][string] $BarToken,
-  [string] $MaestroEndpoint = "https://maestro-prod.westus2.cloudapp.azure.com",
-  [string] $ApiVersion = "2019-01-16"
+  [Parameter(Mandatory=$true)][string] $MaestroApiAccessToken,
+  [Parameter(Mandatory=$false)][string] $MaestroApiEndPoint = "https://maestro-prod.westus2.cloudapp.azure.com",
+  [Parameter(Mandatory=$false)][string] $MaestroApiVersion = "2019-01-16"
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-function Get-Headers([string]$accept, [string]$barToken) {
-  $headers = New-Object 'System.Collections.Generic.Dictionary[[String],[String]]'
-  $headers.Add('Accept',$accept)
-  $headers.Add('Authorization',"Bearer $barToken")
-  return $headers
-}
+. $PSScriptRoot\post-build-utils.ps1
 
 try {
-  $maestroHeaders = Get-Headers 'application/json' $BarToken
+  # Check that the channel we are going to promote the build to exist
+  $channelInfo = Get-MaestroChannel -ChannelId $ChannelId
 
-  # Get info about which channels the build has already been promoted to
-  $getBuildApiEndpoint = "$MaestroEndpoint/api/builds/${BuildId}?api-version=$ApiVersion"
-  $buildInfo = Invoke-WebRequest -Method Get -Uri $getBuildApiEndpoint -Headers $maestroHeaders | ConvertFrom-Json
+  if (!$channelInfo) {
+    Write-Host "Channel with BAR ID $ChannelId was not found in BAR!"
+    ExitWithExitCode 1
+  }
 
+  # Get info about which channels the build has already been promoted to
+  $buildInfo = Get-MaestroBuild -BuildId $BuildId
+  
   if (!$buildInfo) {
     Write-Host "Build with BAR ID $BuildId was not found in BAR!"
     ExitWithExitCode 1
@@ -40,10 +35,10 @@ try {
     }
   }
 
-  Write-Host "Build not present in channel $ChannelId. Promoting build ... "
+  Write-Host "Promoting build '$BuildId' to channel '$ChannelId'."
+
+  Assign-BuildToChannel -BuildId $BuildId -ChannelId $ChannelId
 
-  $promoteBuildApiEndpoint = "$maestroEndpoint/api/channels/${ChannelId}/builds/${BuildId}?api-version=$ApiVersion"
-  Invoke-WebRequest -Method Post -Uri $promoteBuildApiEndpoint -Headers $maestroHeaders
   Write-Host "done."
 } 
 catch {
diff --git a/eng/common/post-build/setup-maestro-vars.ps1 b/eng/common/post-build/setup-maestro-vars.ps1
new file mode 100644
index 00000000000..d7f64dc63cb
--- /dev/null
+++ b/eng/common/post-build/setup-maestro-vars.ps1
@@ -0,0 +1,26 @@
+param(
+  [Parameter(Mandatory=$true)][string] $ReleaseConfigsPath            # Full path to ReleaseConfigs.txt asset
+)
+
+. $PSScriptRoot\post-build-utils.ps1
+
+try {
+  $Content = Get-Content $ReleaseConfigsPath
+  
+  $BarId = $Content | Select -Index 0
+  
+  $Channels = ""            
+  $Content | Select -Index 1 | ForEach-Object { $Channels += "$_ ," }
+  
+  $IsStableBuild = $Content | Select -Index 2
+
+  Write-PipelineSetVariable -Name 'BARBuildId' -Value $BarId
+  Write-PipelineSetVariable -Name 'InitialChannels' -Value "$Channels"
+  Write-PipelineSetVariable -Name 'IsStableBuild' -Value $IsStableBuild
+}
+catch {
+  Write-Host $_
+  Write-Host $_.Exception
+  Write-Host $_.ScriptStackTrace
+  ExitWithExitCode 1
+}
diff --git a/eng/common/post-build/sourcelink-cli-init.ps1 b/eng/common/post-build/sourcelink-cli-init.ps1
deleted file mode 100644
index 9eaa25b3b50..00000000000
--- a/eng/common/post-build/sourcelink-cli-init.ps1
+++ /dev/null
@@ -1,29 +0,0 @@
-param (
-  $sourcelinkCliVersion = $null
-)
-
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-$verbosity = "minimal"
-
-function InstallSourcelinkCli ($sourcelinkCliVersion) {
-  $sourcelinkCliPackageName = "sourcelink"
-
-  $dotnetRoot = InitializeDotNetCli -install:$true
-  $dotnet = "$dotnetRoot\dotnet.exe"
-  $toolList = & "$dotnet" tool list --global
-
-  if (($toolList -like "*$sourcelinkCliPackageName*") -and ($toolList -like "*$sourcelinkCliVersion*")) {
-    Write-Host "SourceLink CLI version $sourcelinkCliVersion is already installed."
-  }
-  else {
-    Write-Host "Installing SourceLink CLI version $sourcelinkCliVersion..."
-    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-    & "$dotnet" tool install $sourcelinkCliPackageName --version $sourcelinkCliVersion --verbosity $verbosity --global 
-  }
-}
-
-InstallSourcelinkCli $sourcelinkCliVersion
diff --git a/eng/common/post-build/sourcelink-validation.ps1 b/eng/common/post-build/sourcelink-validation.ps1
index 8abd684e9e5..41e01ae6e67 100644
--- a/eng/common/post-build/sourcelink-validation.ps1
+++ b/eng/common/post-build/sourcelink-validation.ps1
@@ -6,10 +6,7 @@ param(
   [Parameter(Mandatory=$true)][string] $SourcelinkCliVersion    # Version of SourceLink CLI to use
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
+. $PSScriptRoot\post-build-utils.ps1
 
 # Cache/HashMap (File -> Exist flag) used to consult whether a file exist 
 # in the repository at a specific commit point. This is populated by inserting
@@ -200,21 +197,27 @@ function ValidateSourceLinkLinks {
   }
 }
 
-function CheckExitCode ([string]$stage) {
-  $exitCode = $LASTEXITCODE
-  if ($exitCode -ne 0) {
-    Write-PipelineTaskError "Something failed while '$stage'. Check for errors above. Exiting now..."
-    ExitWithExitCode $exitCode
+function InstallSourcelinkCli {
+  $sourcelinkCliPackageName = "sourcelink"
+
+  $dotnetRoot = InitializeDotNetCli -install:$true
+  $dotnet = "$dotnetRoot\dotnet.exe"
+  $toolList = & "$dotnet" tool list --global
+
+  if (($toolList -like "*$sourcelinkCliPackageName*") -and ($toolList -like "*$sourcelinkCliVersion*")) {
+    Write-Host "SourceLink CLI version $sourcelinkCliVersion is already installed."
+  }
+  else {
+    Write-Host "Installing SourceLink CLI version $sourcelinkCliVersion..."
+    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
+    & "$dotnet" tool install $sourcelinkCliPackageName --version $sourcelinkCliVersion --verbosity "minimal" --global 
   }
 }
 
 try {
-  Write-Host "Installing SourceLink CLI..."
-  Get-Location
-  . $PSScriptRoot\sourcelink-cli-init.ps1 -sourcelinkCliVersion $SourcelinkCliVersion
-  CheckExitCode "Running sourcelink-cli-init"
+  InstallSourcelinkCli
 
-  Measure-Command { ValidateSourceLinkLinks }
+  ValidateSourceLinkLinks 
 }
 catch {
   Write-Host $_
diff --git a/eng/common/post-build/symbols-validation.ps1 b/eng/common/post-build/symbols-validation.ps1
index 69456854e04..d5ec51b150f 100644
--- a/eng/common/post-build/symbols-validation.ps1
+++ b/eng/common/post-build/symbols-validation.ps1
@@ -4,10 +4,7 @@ param(
   [Parameter(Mandatory=$true)][string] $DotnetSymbolVersion     # Version of dotnet symbol to use
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
+. $PSScriptRoot\post-build-utils.ps1
 
 Add-Type -AssemblyName System.IO.Compression.FileSystem
 
@@ -162,19 +159,25 @@ function CheckSymbolsAvailable {
     }
 }
 
-function CheckExitCode ([string]$stage) {
-  $exitCode = $LASTEXITCODE
-  if ($exitCode -ne 0) {
-    Write-PipelineTaskError "Something failed while '$stage'. Check for errors above. Exiting now..."
-    ExitWithExitCode $exitCode
+function Installdotnetsymbol {
+  $dotnetsymbolPackageName = "dotnet-symbol"
+
+  $dotnetRoot = InitializeDotNetCli -install:$true
+  $dotnet = "$dotnetRoot\dotnet.exe"
+  $toolList = & "$dotnet" tool list --global
+
+  if (($toolList -like "*$dotnetsymbolPackageName*") -and ($toolList -like "*$dotnetsymbolVersion*")) {
+    Write-Host "dotnet-symbol version $dotnetsymbolVersion is already installed."
+  }
+  else {
+    Write-Host "Installing dotnet-symbol version $dotnetsymbolVersion..."
+    Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
+    & "$dotnet" tool install $dotnetsymbolPackageName --version $dotnetsymbolVersion --verbosity "minimal" --global
   }
 }
 
 try {
-  Write-Host "Installing dotnet symbol ..."
-  Get-Location
-  . $PSScriptRoot\dotnetsymbol-init.ps1 -dotnetsymbolVersion $DotnetSymbolVersion
-  CheckExitCode "Running dotnetsymbol-init"
+  Installdotnetsymbol
 
   CheckSymbolsAvailable
 }
diff --git a/eng/common/post-build/trigger-subscriptions.ps1 b/eng/common/post-build/trigger-subscriptions.ps1
index 1a91dab0371..926d5b45513 100644
--- a/eng/common/post-build/trigger-subscriptions.ps1
+++ b/eng/common/post-build/trigger-subscriptions.ps1
@@ -1,33 +1,20 @@
-param(
+param(
   [Parameter(Mandatory=$true)][string] $SourceRepo,
   [Parameter(Mandatory=$true)][int] $ChannelId,
-  [string] $MaestroEndpoint = "https://maestro-prod.westus2.cloudapp.azure.com",
-  [string] $BarToken,
-  [string] $ApiVersion = "2019-01-16"
+  [Parameter(Mandatory=$true)][string] $MaestroApiAccessToken,
+  [Parameter(Mandatory=$false)][string] $MaestroApiEndPoint = "https://maestro-prod.westus2.cloudapp.azure.com",
+  [Parameter(Mandatory=$false)][string] $MaestroApiVersion = "2019-01-16"
 )
 
-$ErrorActionPreference = "Stop"
-Set-StrictMode -Version 2.0
-
-. $PSScriptRoot\..\tools.ps1
-
-function Get-Headers([string]$accept, [string]$barToken) {
-  $headers = New-Object 'System.Collections.Generic.Dictionary[[String],[String]]'
-  $headers.Add('Accept',$accept)
-  $headers.Add('Authorization',"Bearer $barToken")
-  return $headers
-}
+. $PSScriptRoot\post-build-utils.ps1
 
 # Get all the $SourceRepo subscriptions
 $normalizedSourceRepo = $SourceRepo.Replace('dnceng@', '')
-$getSubscriptionsApiEndpoint = "$maestroEndpoint/api/subscriptions?sourceRepository=$normalizedSourceRepo&api-version=$apiVersion"
-$headers = Get-Headers 'application/json' $barToken
-
-$subscriptions = Invoke-WebRequest -Uri $getSubscriptionsApiEndpoint -Headers $headers | ConvertFrom-Json
+$subscriptions = Get-MaestroSubscriptions -SourceRepository $normalizedSourceRepo -ChannelId $ChannelId
 
 if (!$subscriptions) {
   Write-Host "No subscriptions found for source repo '$normalizedSourceRepo' in channel '$ChannelId'"
-  return
+  ExitWithExitCode 0
 }
 
 $subscriptionsToTrigger = New-Object System.Collections.Generic.List[string]
@@ -36,21 +23,18 @@ $failedTriggeredSubscription = $false
 # Get all enabled subscriptions that need dependency flow on 'everyBuild'
 foreach ($subscription in $subscriptions) {
   if ($subscription.enabled -and $subscription.policy.updateFrequency -like 'everyBuild' -and $subscription.channel.id -eq $ChannelId) {
-    Write-Host "$subscription.id"
+    Write-Host "Should trigger this subscription: $subscription.id"
     [void]$subscriptionsToTrigger.Add($subscription.id)
   }
 }
 
 foreach ($subscriptionToTrigger in $subscriptionsToTrigger) {
   try {
-    $triggerSubscriptionApiEndpoint = "$maestroEndpoint/api/subscriptions/$subscriptionToTrigger/trigger?api-version=$apiVersion"
-    $headers = Get-Headers 'application/json' $BarToken
-    
-    Write-Host "Triggering subscription '$subscriptionToTrigger'..."
+    Write-Host "Triggering subscription '$subscriptionToTrigger'."
 
-    Invoke-WebRequest -Uri $triggerSubscriptionApiEndpoint -Headers $headers -Method Post
+    Trigger-Subscription -SubscriptionId $subscriptionToTrigger
   
-    Write-Host "Subscription '$subscriptionToTrigger' triggered!"
+    Write-Host "done."
   } 
   catch
   {
@@ -61,9 +45,13 @@ foreach ($subscriptionToTrigger in $subscriptionsToTrigger) {
   }
 }
 
-if ($failedTriggeredSubscription) {
+if ($subscriptionsToTrigger.Count -eq 0) {
+  Write-Host "No subscription matched source repo '$normalizedSourceRepo' and channel ID '$ChannelId'."
+}
+elseif ($failedTriggeredSubscription) {
   Write-Host "At least one subscription failed to be triggered..."
   ExitWithExitCode 1
 }
-
-Write-Host "All subscriptions were triggered successfully!"
+else {
+  Write-Host "All subscriptions were triggered successfully!"
+}
diff --git a/eng/common/templates/post-build/channels/internal-servicing.yml b/eng/common/templates/post-build/channels/internal-servicing.yml
index 5c07b66926f..12fd2b4653d 100644
--- a/eng/common/templates/post-build/channels/internal-servicing.yml
+++ b/eng/common/templates/post-build/channels/internal-servicing.yml
@@ -41,7 +41,6 @@ stages:
     dependsOn: setupMaestroVars
     variables:
       - group: DotNet-Blob-Feed
-      - group: Publish-Build-Assets
       - group: AzureDevOps-Artifact-Feeds-Pats
       - name: BARBuildId
         value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
@@ -87,8 +86,8 @@ stages:
             /p:StaticInternalFeed=$(dotnetfeed-internal-nonstable-feed-url)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
             /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='https://maestro-prod.westus2.cloudapp.azure.com'
-            /p:BuildAssetRegistryToken='$(MaestroAccessToken)' 
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
             /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
             /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
diff --git a/eng/common/templates/post-build/channels/public-dev-release.yml b/eng/common/templates/post-build/channels/public-dev-release.yml
index b46b0699233..b0f085b1420 100644
--- a/eng/common/templates/post-build/channels/public-dev-release.yml
+++ b/eng/common/templates/post-build/channels/public-dev-release.yml
@@ -41,7 +41,6 @@ stages:
     dependsOn: setupMaestroVars
     variables:
       - group: DotNet-Blob-Feed
-      - group: Publish-Build-Assets
       - group: AzureDevOps-Artifact-Feeds-Pats
       - name: BARBuildId
         value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
@@ -77,7 +76,7 @@ stages:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
             /p:ChannelId=$(PublicDevRelease_30_Channel_Id)
-            /p:ArtifactsCategory=.NetCore
+            /p:ArtifactsCategory=$(_DotNetArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
             /p:IsInternalBuild=$(IsInternalBuild)
             /p:RepositoryName=$(Build.Repository.Name)
@@ -87,8 +86,8 @@ stages:
             /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
             /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
             /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='https://maestro-prod.westus2.cloudapp.azure.com'
-            /p:BuildAssetRegistryToken='$(MaestroAccessToken)' 
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
             /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)/BlobArtifacts/' 
             /p:PackageBasePath='$(Build.ArtifactStagingDirectory)/PackageArtifacts/' 
diff --git a/eng/common/templates/post-build/channels/public-release.yml b/eng/common/templates/post-build/channels/public-release.yml
index a31d37139b7..4c63fb43f0c 100644
--- a/eng/common/templates/post-build/channels/public-release.yml
+++ b/eng/common/templates/post-build/channels/public-release.yml
@@ -41,7 +41,6 @@ stages:
     dependsOn: setupMaestroVars
     variables:
       - group: DotNet-Blob-Feed
-      - group: Publish-Build-Assets
       - group: AzureDevOps-Artifact-Feeds-Pats
       - name: BARBuildId
         value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
@@ -87,8 +86,8 @@ stages:
             /p:StaticInternalFeed=$(dotnetfeed-internal-nonstable-feed-url)
             /p:NugetPath=$(Agent.BuildDirectory)\Nuget\NuGet.exe
             /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='https://maestro-prod.westus2.cloudapp.azure.com'
-            /p:BuildAssetRegistryToken='$(MaestroAccessToken)' 
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
             /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
             /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
diff --git a/eng/common/templates/post-build/channels/public-validation-release.yml b/eng/common/templates/post-build/channels/public-validation-release.yml
index 02dae0937da..1089ac5fa6b 100644
--- a/eng/common/templates/post-build/channels/public-validation-release.yml
+++ b/eng/common/templates/post-build/channels/public-validation-release.yml
@@ -12,7 +12,6 @@ stages:
     dependsOn: setupMaestroVars
     variables:
       - group: DotNet-Blob-Feed
-      - group: Publish-Build-Assets
       - group: AzureDevOps-Artifact-Feeds-Pats
       - name: BARBuildId
         value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
@@ -48,7 +47,7 @@ stages:
           filePath: eng\common\sdk-task.ps1
           arguments: -task PublishArtifactsInManifest -restore -msbuildEngine dotnet 
             /p:ChannelId=$(PublicValidationRelease_30_Channel_Id)
-            /p:ArtifactsCategory=.NetCoreValidation
+            /p:ArtifactsCategory=$(_DotNetValidationArtifactsCategory)
             /p:IsStableBuild=$(IsStableBuild)
             /p:IsInternalBuild=$(IsInternalBuild)
             /p:RepositoryName=$(Build.Repository.Name)
@@ -58,13 +57,13 @@ stages:
             /p:TargetFeedPAT='$(dn-bot-dnceng-unviersal-packages-rw)' 
             /p:AzureStorageTargetFeedPAT='$(dotnetfeed-storage-access-key-1)' 
             /p:BARBuildId=$(BARBuildId) 
-            /p:MaestroApiEndpoint='https://maestro-prod.westus2.cloudapp.azure.com'
-            /p:BuildAssetRegistryToken='$(MaestroAccessToken)' 
+            /p:MaestroApiEndpoint='$(MaestroApiEndPoint)' 
+            /p:BuildAssetRegistryToken='$(MaestroApiAccessToken)' 
             /p:ManifestsBasePath='$(Build.ArtifactStagingDirectory)/AssetManifests/' 
             /p:BlobBasePath='$(Build.ArtifactStagingDirectory)\BlobArtifacts' 
             /p:PackageBasePath='$(Build.ArtifactStagingDirectory)\PackageArtifacts' 
             /p:Configuration=Release 
-        
+
       - task: NuGetCommand@2
         displayName: Publish Packages to AzDO Feed
         condition: contains(variables['TargetAzDOFeed'], 'pkgs.visualstudio.com')
diff --git a/eng/common/templates/post-build/common-variables.yml b/eng/common/templates/post-build/common-variables.yml
index 42df4ae77e3..bd0bc5e4daa 100644
--- a/eng/common/templates/post-build/common-variables.yml
+++ b/eng/common/templates/post-build/common-variables.yml
@@ -1,21 +1,39 @@
 variables:
+  - group: Publish-Build-Assets
+
   # .NET Core 3 Dev
-  PublicDevRelease_30_Channel_Id: 3
+  - name: PublicDevRelease_30_Channel_Id
+    value: 3
 
   # .NET Tools - Validation
-  PublicValidationRelease_30_Channel_Id: 9
+  - name: PublicValidationRelease_30_Channel_Id
+    value: 9
 
   # .NET Core 3.0 Internal Servicing
-  InternalServicing_30_Channel_Id: 184
+  - name: InternalServicing_30_Channel_Id
+    value: 184
 
   # .NET Core 3.0 Release
-  PublicRelease_30_Channel_Id: 19
+  - name: PublicRelease_30_Channel_Id
+    value: 19
 
   # Whether the build is internal or not
-  IsInternalBuild: ${{ and(ne(variables['System.TeamProject'], 'public'), contains(variables['Build.SourceBranch'], 'internal')) }}
+  - name: IsInternalBuild
+    value: ${{ and(ne(variables['System.TeamProject'], 'public'), contains(variables['Build.SourceBranch'], 'internal')) }}
 
   # Storage account name for proxy-backed feeds
-  ProxyBackedFeedsAccountName: dotnetfeed
+  - name: ProxyBackedFeedsAccountName
+    value: dotnetfeed
+
+  # Default Maestro++ API Endpoint and API Version
+  - name: MaestroApiEndPoint
+    value: "https://maestro-prod.westus2.cloudapp.azure.com"
+  - name: MaestroApiAccessToken
+    value: $(MaestroAccessToken)
+  - name: MaestroApiVersion
+    value: "2019-01-16"
 
-  SourceLinkCLIVersion: 3.0.0
-  SymbolToolVersion: 1.0.1
+  - name: SourceLinkCLIVersion
+    value: 3.0.0
+  - name: SymbolToolVersion
+    value: 1.0.1
diff --git a/eng/common/templates/post-build/darc-gather-drop.yml b/eng/common/templates/post-build/darc-gather-drop.yml
index e0a9f0a6d26..f4e3bfcf5cd 100644
--- a/eng/common/templates/post-build/darc-gather-drop.yml
+++ b/eng/common/templates/post-build/darc-gather-drop.yml
@@ -7,7 +7,6 @@ jobs:
   dependsOn: setupMaestroVars
   condition: contains(dependencies.setupMaestroVars.outputs['setReleaseVars.InitialChannels'], ${{ parameters.ChannelId }})
   variables:
-    - group: Publish-Build-Assets
     - name: BARBuildId
       value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
   pool:
@@ -19,4 +18,6 @@ jobs:
         filePath: $(Build.SourcesDirectory)/eng/common/post-build/darc-gather-drop.ps1
         arguments: -BarBuildId $(BARBuildId) 
           -DropLocation $(Agent.BuildDirectory)/Temp/Drop/ 
-          -MaestroAccessToken $(MaestroAccessToken)
+          -MaestroApiAccessToken $(MaestroApiAccessToken)
+          -MaestroApiEndPoint $(MaestroApiEndPoint)
+          -MaestroApiVersion $(MaestroApiVersion)
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index daa799259c7..0872db4ed94 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -7,9 +7,12 @@ parameters:
     enable: false
     params: ''
 
+  # Which stages should finish execution before post-build stages start
+  dependsOn: [build]
+
 stages:
 - stage: validate
-  dependsOn: build
+  dependsOn: ${{ parameters.dependsOn }}
   displayName: Validate
   jobs:
   - ${{ if eq(parameters.enableNugetValidation, 'true') }}:
diff --git a/eng/common/templates/post-build/promote-build.yml b/eng/common/templates/post-build/promote-build.yml
index af48b0b339e..9387c583b31 100644
--- a/eng/common/templates/post-build/promote-build.yml
+++ b/eng/common/templates/post-build/promote-build.yml
@@ -11,7 +11,6 @@ jobs:
       value: $[ dependencies.setupMaestroVars.outputs['setReleaseVars.BARBuildId'] ]
     - name: ChannelId
       value: ${{ parameters.ChannelId }}
-    - group: Publish-Build-Assets
   pool:
     vmImage: 'windows-2019'
   steps:
@@ -21,4 +20,6 @@ jobs:
         filePath: $(Build.SourcesDirectory)/eng/common/post-build/promote-build.ps1
         arguments: -BuildId $(BARBuildId) 
           -ChannelId $(ChannelId) 
-          -BarToken $(MaestroAccessToken)
+          -MaestroApiAccessToken $(MaestroApiAccessToken)
+          -MaestroApiEndPoint $(MaestroApiEndPoint)
+          -MaestroApiVersion $(MaestroApiVersion)
diff --git a/eng/common/templates/post-build/setup-maestro-vars.yml b/eng/common/templates/post-build/setup-maestro-vars.yml
index f6120dc1e1c..56242b068e1 100644
--- a/eng/common/templates/post-build/setup-maestro-vars.yml
+++ b/eng/common/templates/post-build/setup-maestro-vars.yml
@@ -14,22 +14,5 @@ jobs:
       name: setReleaseVars
       displayName: Set Release Configs Vars
       inputs:
-        targetType: inline
-        script: |
-          # This is needed to make Write-PipelineSetVariable works in this context
-          $ci = $true
-
-          . "$(Build.SourcesDirectory)/eng/common/tools.ps1"
-
-          $Content = Get-Content "$(Build.StagingDirectory)/ReleaseConfigs/ReleaseConfigs.txt"
-
-          $BarId = $Content | Select -Index 0
-
-          $Channels = ""            
-          $Content | Select -Index 1 | ForEach-Object { $Channels += "$_ ," }
-            
-          $IsStableBuild = $Content | Select -Index 2
-
-          Write-PipelineSetVariable -Name 'BARBuildId' -Value $BarId
-          Write-PipelineSetVariable -Name 'InitialChannels' -Value "$Channels"
-          Write-PipelineSetVariable -Name 'IsStableBuild' -Value $IsStableBuild
+        filePath: $(Build.SourcesDirectory)/eng/common/post-build/setup-maestro-vars.ps1
+        arguments: -ReleaseConfigsPath '$(Build.StagingDirectory)/ReleaseConfigs/ReleaseConfigs.txt'
diff --git a/eng/common/templates/post-build/trigger-subscription.yml b/eng/common/templates/post-build/trigger-subscription.yml
index 3915cdcd1ad..da669030daf 100644
--- a/eng/common/templates/post-build/trigger-subscription.yml
+++ b/eng/common/templates/post-build/trigger-subscription.yml
@@ -8,4 +8,6 @@ steps:
     filePath: $(Build.SourcesDirectory)/eng/common/post-build/trigger-subscriptions.ps1
     arguments: -SourceRepo $(Build.Repository.Uri)
       -ChannelId ${{ parameters.ChannelId }}
-      -BarToken $(MaestroAccessToken)
+      -MaestroApiAccessToken $(MaestroAccessToken)
+      -MaestroApiEndPoint $(MaestroApiEndPoint)
+      -MaestroApiVersion $(MaestroApiVersion)
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 0deb01c480b..738bb5669da 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -77,7 +77,7 @@ function ReadGlobalVersion {
   local pattern="\"$key\" *: *\"(.*)\""
 
   if [[ ! $line =~ $pattern ]]; then
-    Write-PipelineTelemetryError -category 'InitializeTools' "Error: Cannot find \"$key\" in $global_json_file"
+    Write-PipelineTelemetryError -category 'InitializeToolset' "Error: Cannot find \"$key\" in $global_json_file"
     ExitWithExitCode 1
   fi
 
@@ -245,7 +245,7 @@ function InitializeNativeTools() {
   then
     local nativeArgs=""
     if [[ "$ci" == true ]]; then
-      nativeArgs="-InstallDirectory $tools_dir"
+      nativeArgs="--installDirectory $tools_dir"
     fi
     "$_script_dir/init-tools-native.sh" $nativeArgs
   fi