Azure Custom KUDU Deployment Script

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A couple of weeks ago, I wrote about deploying multiple applications to Azure virtual directories from a single Git repository to Azure. That method works well. However, it by default only supports building and deploying a single .NET project. This was fine in my previously example in which only one of the deployment projects I had was .NET based. Using a custom KUDU script, it’s possible to deploy multiple .NET applications to the virtual directories from a single git repository.


Using the Azure CLI, you can create a default KUDU script. Install Azure CLI with NPM, and then run it get a script for an arbitrary project/solution.

npm install azure-cli -g
azure config mode asm
azure site deploymentscript --aspWAP solutionFolder/ProjectFolder/Project.csproj -s solutionFolder/Solution.sln

For a Windows system, this will output a Windows batch file called “deploy.cmd.” As I detailed in my other post, this deploy.cmd can be used in conjunction with submerge folders to pull multiple projects into a single git repository.

The script, though, only will build and deploy a single project. However, it’s a Windows batch file, so we can modify it to deploy multiple projects to our virtual directories. What I did with the default script was modify it to have iterate over an array of projects/solutions and deploy them. This iterating simply calls the default deployment bits with specific variables from the iterated parameters.

Here’s my custom script. You can see that I specify (2) projects/solutions and these two projects get deployed appropriately. To achieve this, I put the default deployment functionality into a Windows batch function and call it during the looping over the project names.

@if "%SCM_TRACE_LEVEL%" NEQ "4" @echo off

:: ----------------------
:: KUDU Deployment Script
:: Version: 1.0.9
:: ----------------------

:: Prerequisites
:: -------------

:: Verify node.js installed
where node 2>nul >nul
IF %ERRORLEVEL% NEQ 0 (
  echo Missing node.js executable, please install node.js, if already installed make sure it can be reached from current environment.
  goto error
)

:: Setup
:: -----

setlocal enabledelayedexpansion

SET ARTIFACTS=%~dp0%..\artifacts

IF NOT DEFINED DEPLOYMENT_SOURCE (
  SET DEPLOYMENT_SOURCE=%~dp0%.
)

IF NOT DEFINED DEPLOYMENT_TARGET (
  SET DEPLOYMENT_TARGET=%ARTIFACTS%\wwwroot
)

IF NOT DEFINED NEXT_MANIFEST_PATH (
  SET NEXT_MANIFEST_PATH=%ARTIFACTS%\manifest

  IF NOT DEFINED PREVIOUS_MANIFEST_PATH (
    SET PREVIOUS_MANIFEST_PATH=%ARTIFACTS%\manifest
  )
)

IF NOT DEFINED KUDU_SYNC_CMD (
  :: Install kudu sync
  echo Installing Kudu Sync
  call npm install kudusync -g --silent
  IF !ERRORLEVEL! NEQ 0 goto error

  :: Locally just running "kuduSync" would also work
  SET KUDU_SYNC_CMD=%appdata%\npm\kuduSync.cmd
)
IF NOT DEFINED DEPLOYMENT_TEMP (
  SET DEPLOYMENT_TEMP=%temp%\___deployTemp%random%
  SET CLEAN_LOCAL_DEPLOYMENT_TEMP=true
)

IF DEFINED CLEAN_LOCAL_DEPLOYMENT_TEMP (
  IF EXIST "%DEPLOYMENT_TEMP%" rd /s /q "%DEPLOYMENT_TEMP%"
  mkdir "%DEPLOYMENT_TEMP%"
)

IF DEFINED MSBUILD_PATH goto MsbuildPathDefined
SET MSBUILD_PATH=%ProgramFiles(x86)%\MSBuild\14.0\Bin\MSBuild.exe
:MsbuildPathDefined

SET "projects[0]=dir1\Project1\Project1.csproj"
SET "solutions[0]=dir1\Solution1.sln"
SET "solutiondirs[0]=dir1"

SET "projects[1]=dir2\Project2\Project2.csproj"
SET "solutions[1]=dir2\Solution2.sln"
SET "solutiondirs[1]=dir2"

SET len=0
:SymLoop
if defined projects[%len%] (
   SET /a "len+=1"
   GOTO :SymLoop 
)

echo "The length of the array is" %len%
SET /a "len-=1"

FOR /L %%A IN (0,1,%len%) DO (
	echo !projects[%%A]! !solutions[%%A]! !solutiondirs[%%A]!
	call :deploy !projects[%%A]! !solutions[%%A]! !solutiondirs[%%A]!
)

:deploy
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: Deployment
:: ----------
SHIFT
IF (%0)==() GOTO error
SET "PROJECT_PATH=%~0"
SET "SOLUTION_PATH=%~1"
SET "SOLUTION_DIR=%~2"

echo Handling .NET Web Application deployment.

:: 1. Restore NuGet packages
IF /I "%SOLUTION_PATH%" NEQ "" (
  call :ExecuteCmd nuget restore "%DEPLOYMENT_SOURCE%\%SOLUTION_PATH%"
  IF !ERRORLEVEL! NEQ 0 goto error
)

:: 2. Build to the temporary path
IF /I "%IN_PLACE_DEPLOYMENT%" NEQ "1" (
  call :ExecuteCmd "%MSBUILD_PATH%" "%DEPLOYMENT_SOURCE%\%PROJECT_PATH%" /nologo /verbosity:m /t:Build /t:pipelinePreDeployCopyAllFilesToOneFolder /p:_PackageTempDir="%DEPLOYMENT_TEMP%";AutoParameterizationWebConfigConnectionStrings=false;Configuration=Release;UseSharedCompilation=false /p:SolutionDir="%DEPLOYMENT_SOURCE%\%SOLUTION_DIR%\\" %SCM_BUILD_ARGS%
) ELSE (
  call :ExecuteCmd "%MSBUILD_PATH%" "%DEPLOYMENT_SOURCE%\%PROJECT_PATH%" /nologo /verbosity:m /t:Build /p:AutoParameterizationWebConfigConnectionStrings=false;Configuration=Release;UseSharedCompilation=false /p:SolutionDir="%DEPLOYMENT_SOURCE%\%SOLUTION_DIR%\\" %SCM_BUILD_ARGS%
)

IF !ERRORLEVEL! NEQ 0 goto error

:: 3. KuduSync
IF /I "%IN_PLACE_DEPLOYMENT%" NEQ "1" (
  call :ExecuteCmd "%KUDU_SYNC_CMD%" -v 50 -f "%DEPLOYMENT_TEMP%" -t "%DEPLOYMENT_TARGET%\%SOLUTION_DIR%" -n "%NEXT_MANIFEST_PATH%" -p "%PREVIOUS_MANIFEST_PATH%" -i ".git;.hg;.deployment;deploy.cmd"
  IF !ERRORLEVEL! NEQ 0 goto error
)
EXIT /B

:: Execute command routine that will echo out when error
:ExecuteCmd
setlocal
set _CMD_=%*
call %_CMD_%
if "%ERRORLEVEL%" NEQ "0" echo Failed exitCode=%ERRORLEVEL%, command=%_CMD_%
exit /b %ERRORLEVEL%

:error
endlocal
echo An error has occurred during web site deployment.
call :exitSetErrorLevel
call :exitFromFunction 2>nul

:exitSetErrorLevel
exit /b 1

:exitFromFunction
()

:end
endlocal
echo Finished successfully.

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