build-and-deploy-dev.yml

name: Deploy DLS DEV to IIS

env: 
    # set apppool and site name from IIS
    AppPoolName : dlsweb-dev
    SiteName  : 'dls-dev'
    # set to site files.  In this case, the part of the path after E:/web/
    SitePath :  dls-dev
    DOTNET_INSTALL_DIR: '~/AppData/Local/Microsoft/dotnet'
    DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
on:
      push:
        branches: 
        - 'DEV'
      workflow_dispatch:

jobs:
  deploy-to-dev:

    runs-on: self-hosted
        
    steps:
      - uses: actions/checkout@v4

      - name: Setup .NET Core SDK 8.0
        uses: actions/setup-dotnet@v4
        with:
          dotnet-version: 8.0.x
      - name: Setup node
        uses: actions/setup-node@v4
        with:
          node-version: 20
      
      - name: Add TechnologyEnhancedLearning as nuget package source
        run:  |
                $nugetSources = dotnet nuget list source | Out-String;
                if($nugetSources -like "*TechnologyEnhancedLearning*")
                {
                  # Update the source (in case PAT has been updated)
                  dotnet nuget update source TechnologyEnhancedLearning --source https://pkgs.dev.azure.com/e-LfH/_packaging/LearningHubFeed/nuget/v3/index.json --username 'kevin.whittaker' --password ${{ secrets.AZURE_DEVOPS_PAT }} --store-password-in-clear-text
                  } 
                  else
                  {
                    # Add the source
                    dotnet nuget add source https://pkgs.dev.azure.com/e-LfH/_packaging/LearningHubFeed/nuget/v3/index.json --name TechnologyEnhancedLearning --username 'kevin.whittaker' --password ${{ secrets.AZURE_DEVOPS_PAT }} --store-password-in-clear-text
                    }
      - name: Dotnet publish 
        run: | 
          dotnet publish DigitalLearningSolutions.sln -c Release -o E:/web/${{env.SitePath}}-NEW
  
      - name: Copy app_offline and web config to publish folder
        run: |
          Copy-Item E:/web/Offline/app_offline.htm E:/web/${{env.SitePath}}-NEW -Recurse -Force;
          Copy-Item E:/web/Offline/app_offline.htm E:/web/${{env.SitePath}} -Recurse -Force;
          if (Test-Path -Path E:/web/${{env.SitePath}})
          {
            Remove-Item -Path 'E:/web/${{env.SitePath}}-NEW/web.config' -Force;
            Copy-Item E:/web/${{env.SitePath}}/web.config E:/web/${{env.SitePath}}-NEW -Recurse -Force;
          }
          if (Test-Path -Path E:/web/${{env.SitePath}}-PREVIOUS){
              Remove-Item -LiteralPath 'E:/web/${{env.SitePath}}-PREVIOUS' -Force -Recurse
            }        

      - name: Sleep for 5 seconds
        run: Start-Sleep -s 5 

      - name: Switch deployment and published folders restarting apppool/webapp if necessary
        run: |

          Import-Module WebAdministration; 
          $currentRetry = 1;
          $backupRetry = 1;
          $success = $false;
          $backupSuccess = $false;
          do{
            echo "Attempting folder rename $currentRetry"  
            try {
              Rename-Item -Path 'E:/web/${{env.SitePath}}' -NewName '${{env.SitePath}}-PREVIOUS' 
              Rename-Item -Path 'E:/web/${{env.SitePath}}-NEW' -NewName '${{env.SitePath}}' 
              $success = $true;
            }
            catch {
              echo "Rename failed due to following Catch error:`n"
              echo $PSItem.Exception.Message
              echo "`n"
              Start-Sleep -s 2
              $currentRetry = $currentRetry + 1;
            }
            finally {
              if ($currentRetry -ge 10) {
                  echo "Rename keeps failing; restarting AppPool/Site as last resort`n"
                  echo "Attempting to restart AppPool`n"
                  do{
                      $status = Get-WebAppPoolState -name '${{env.AppPoolName}}'
                      if ($status.Value -eq "Stopped") {
                          start-WebAppPool ${{env.AppPoolName}}
                          echo "AppPool restarted`n---------`n"
                          $backupSuccess = $true;
                      }
                      else {
                          if ($backupRetry -ge 10) {
                             throw "AppPool restart keeps failing."
                          }
                          echo "AppPool not stopped yet; Re-attempt #$backupRetry"
                          Start-Sleep -s 10
                          $backupRetry = $backupRetry + 1;
                      }
                  }
                  while (!$backupSuccess -and $backupRetry -le 10)
                  $backupRetry = 1;
                  $backupSuccess = $false;
                  echo "Attempting to restart Website`n"
                  do{
                      $status = Get-WebsiteState -name '${{env.SiteName}}'
                      if ($status.Value -eq "Stopped") {
                          start-iissite ${{env.SiteName}}
                          echo "Website restarted`n---------`n"
                          $backupSuccess = $true;
                      }
                      else {
                          if ($backupRetry -ge 10) {
                            throw "Website restart keeps failing. Please look into Server"
                          }
                          echo "Website not stopped yet; Re-attempt #$backupRetry"
                          Start-Sleep -s 10
                          $backupRetry = $backupRetry + 1;
                      }
                  }
                  while (!$backupSuccess -and $backupRetry -le 10)
              }
            }
          }
          while (!$success -and $currentRetry -le 10) 
  
      - name: Remove Offline and remove previous deployment folder
        run: |
         if (Test-Path -Path 'E:/web/${{env.SitePath}}-PREVIOUS')
          {
            Remove-Item -LiteralPath 'E:/web/${{env.SitePath}}-PREVIOUS' -Force -Recurse
          }
          Remove-Item 'E:/web/${{env.SitePath}}/app_offline.htm' -Force