Add pip bumpversion to setup.cfg and build-release.yaml (#134)

Add calls to bumpversion utility and supporting files for auto-maintained package versioning per sdk release.

azure-iot-device/.bumpverion.cfg

@@ -0,0 +1,7 @@
+[bumpversion]
+current_version = 2.0.0-preview.7
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)-preview\.(?P<preview>\d+)
+serialize = {major}.{minor}.{patch}-preview.{preview}
+
+[bumpversion:part:preview]
+

azure-iot-nspkg/.bumpverion.cfg

@@ -0,0 +1,5 @@
+[bumpversion]
+current_version = 1.0.1
+parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
+serialize = {major}.{minor}.{patch}
+

vsts/build-release.ps1

@@ -0,0 +1,50 @@
+$sourceFiles = $env:sources  # sdk repo top folder
+$dist = $env:dist  # release artifacts top folder
+
+New-Item $dist -Force -ItemType Directory
+
+pip install bumpversion
+pip install wheel
+
+# hashset key is package folder name in repo
+
+$packages = @{ }
+$packages["azure-iot-device"] = $env:device_version_part
+$packages["azure-iot-nspkg"] = $env:nspkg_version_part
+
+foreach ($key in $packages.Keys) {
+
+    $part = $packages[$key]
+
+    Write-Host "package '$key' version '$part'"
+
+    if ($part -ne "") {
+        Write-Host "version part: $part"
+
+        $packageFolder = $(Join-Path $sourceFiles $key)
+
+        Write-Host "package folder: $packageFolder"
+
+        Set-Location $packageFolder
+        bumpversion.exe $part --config-file .\.bumpverion.cfg --allow-dirty .\setup.py
+        
+        python setup.py sdist
+        python setup.py bdist_wheel
+
+        $distfld = Join-Path $packageFolder "dist"
+        $files = Get-ChildItem $distfld
+
+        if ($files.Count -lt 1) {
+            throw "$key : expected to find release artifacts"
+        }
+
+        $packagefld = Join-Path $dist $key
+        New-Item $packagefld -Force -ItemType Directory
+
+        foreach ($file in $files) {
+            Copy-Item $file.FullName $(Join-Path $packagefld $file.Name)
+        }
+    } else {
+        Write-Host "no version bump for package '$key'"
+    }
+}

vsts/build-release.yml

@@ -1,18 +1,16 @@
 name: ReleaseBuild_$(BuildID)_$(Date:yyyyMMdd)$(Rev:.r)
 
-trigger: none
-
 steps:
 
 - task: DownloadBuildArtifacts@0
   inputs:
     buildType: 'specific'
-    project: 'f9b79625-2860-4d92-a4ee-57b03fabfd10'
-    pipeline: '311'
+    project: 'f9b79625-2860-4d92-a4ee-57b03fabfd10'  # azure-iot-sdks
+    pipeline: '296'  # iot-sdks-internal-mirror pipeline
     buildVersionToDownload: 'latest'
     downloadType: 'single'
-    downloadPath: '$(System.ArtifactsDirectory)/scripts'
-    artifactName: 'python'
+    downloadPath: $(System.ArtifactsDirectory)\internal
+    artifactName: 'python' # script (azure-iot-sdk-bump-version.ps1) location
 
 - checkout: self  # self represents the repo where the initial Pipelines YAML file was found
   persistCredentials: 'true'  # set to 'true' to leave the OAuth token in the Git config after the initial fetch
@@ -21,32 +19,36 @@ steps:
 - task: UsePythonVersion@0
   displayName: 'Use Python 3.x'
 
+- task: PowerShell@2
+  inputs:
+    filePath: $(Build.SourcesDirectory)\vsts\build-release.ps1
+  env:
+    dist: $(System.ArtifactsDirectory)\dist
+    sources: $(Build.SourcesDirectory)
+    device_version_part: $(azure-iot-device-version-part)
+    nspkg_version_part: $(azure-iot-nspkg-version-part)
+  displayName: 'build release artifacts'
+
 - task: PowerShell@2
   inputs:
     targetType: 'inline'
     script: |
-      . $(System.ArtifactsDirectory)/scripts/python/azure-iot-sdk-bump-version.ps1
-      Update-PythonVersions
+      . $(System.ArtifactsDirectory)\internal\python\azure-iot-sdk-bump-version.ps1
+      Publish-Branch $env:githubname $env:githubemail $env:tagname $env:sources
   env:
     sources: $(Build.SourcesDirectory)
     githubemail: aziotclb@microsoft.com
     githubname: 'Azure IoT Client Build'
     tagname: $(tagname)
-    
-- task: CmdLine@2
-  inputs:
-    script: |
-      pip install wheel
-      cd %sources%\azure-iot-device
-      python setup.py sdist
-      python setup.py bdist_wheel
-  env:
-    sources: $(Build.SourcesDirectory)
+  enabled: 'true'
+  displayName: 'create GitHub.com release branch'
 
 - task: PublishBuildArtifacts@1
-  displayName: 'Publish Artifacts'
+  displayName: 'publish release artifacts'
   inputs:
-      PathtoPublish: '$(Build.SourcesDirectory)/azure-iot-device/dist'
+      PathtoPublish: $(System.ArtifactsDirectory)\dist
       ArtifactName: 'dist'
       publishLocation: 'Container'
+  enabled: 'true'
+