FIX: Update OneBranch pipelines for new 1ES images (Windows/Linux) (#431)

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[AB#42398](https://sqlclientdrivers.visualstudio.com/c6d89619-62de-46a0-8b46-70b92a84d85e/_workitems/edit/42398)

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### Summary   
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This pull request updates the build pipeline configurations to use new
agent pools and images for Windows and Linux builds, and improves Docker
handling for Linux stages. The changes modernize the build environments
and streamline Docker setup, while also updating macOS pool
configuration for compatibility.

Build environment updates:

* Switched Windows and Linux agent pools from `Django-1ES-pool` to
`Python-1ES-pool`, and updated image demands to `PYTHON-1ES-MMS2022`
(Windows) and `PYTHON-1ES-UB2404` (Linux) across all pipeline YAML
files.
[[1]](diffhunk://#diff-3db20ac3b805d9b3612357e92c428cda06eaa8a8fa2fafe94ecc247177608996L204-R205)
[[2]](diffhunk://#diff-f33e687de954b798773c221fa2242934d5ec593abda31b787cdb10d590c1cb76L99-R101)
[[3]](diffhunk://#diff-27a96a9aa4f8678027cc712c73505b5351a98bcd22501bbf5f0ed9617a7a6bffL102-R104)
[[4]](diffhunk://#diff-3be0faed094a0cc74e9ec006d00e54b2f4178571f1f7eb13de87467df606f86aL38-R40)
[[5]](diffhunk://#diff-b134d9c8339176b133043f7c9407b630a17f96f764c7b88106599f4b27a26d85L41-R43)
* Updated macOS pool configuration in `build-macos-single-stage.yml` to
use `image: macOS-latest`, add `os: macOS`, and clarify pool type
requirements for OneBranch and Azure Pipelines compatibility.

Docker setup improvements (Linux builds):

* Removed explicit Docker installation task, since Docker is now
pre-installed via the `linux-1es-pt-prerequisites-v2` artifact.
* Enhanced Docker daemon startup logic: now checks if Docker is running
before starting it, avoiding unnecessary restarts and improving
reliability.
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Author: gargsaumya

OneBranchPipelines/build-release-package-pipeline.yml

@@ -201,8 +201,8 @@ extends:
   parameters:
     # Pool Configuration
     # Different platforms use different agent pools:
-    # - Windows: Custom 1ES pool (Django-1ES-pool) with WIN22-SQL22 image (Windows Server 2022 + SQL Server 2022)
-    # - Linux: Custom 1ES pool (Django-1ES-pool) with ADO-UB22-SQL22 image (Ubuntu 22.04 + SQL Server 2022)
+    # - Windows: Custom 1ES pool (Python-1ES-pool) with PYTHON-1ES-MMS2022 image (Windows Server 2022 + SQL Server 2022)
+    # - Linux: Custom 1ES pool (Python-1ES-pool) with PYTHON-1ES-UB2404 image (Ubuntu 24.04 + SQL Server 2022)
     # - macOS: Microsoft-hosted pool (Azure Pipelines) with macOS-14 image (macOS Sonoma)
     # Note: Container definitions section present but unused (pools configured in individual stage templates)
 

OneBranchPipelines/dummy-release-pipeline.yml

@@ -96,9 +96,9 @@ extends:
             pool:
               type: windows
               isCustom: true
-              name: Django-1ES-pool
+              name: Python-1ES-pool
               demands:
-              - imageOverride -equals WIN22-SQL22
+              - imageOverride -equals PYTHON-1ES-MMS2022
 
             variables:
               ob_outputDirectory: '$(Build.ArtifactStagingDirectory)'

OneBranchPipelines/official-release-pipeline.yml

@@ -99,9 +99,9 @@ extends:
             pool:
               type: windows
               isCustom: true
-              name: Django-1ES-pool
+              name: Python-1ES-pool
               demands:
-              - imageOverride -equals WIN22-SQL22
+              - imageOverride -equals PYTHON-1ES-MMS2022
 
             variables:
               ob_outputDirectory: '$(Build.ArtifactStagingDirectory)'

OneBranchPipelines/stages/build-linux-single-stage.yml

@@ -35,9 +35,9 @@ stages:
         pool:
           type: linux
           isCustom: true
-          name: Django-1ES-pool
+          name: Python-1ES-pool
           demands:
-          - imageOverride -equals ADO-UB22-SQL22
+          - imageOverride -equals PYTHON-1ES-UB2404
         # Extended timeout for multi-version builds + testing (5 Python versions × build + test time)
         timeoutInMinutes: 120
 
@@ -65,12 +65,8 @@ stages:
           - checkout: self
             fetchDepth: 0
 
-          # Install Docker
-          - task: DockerInstaller@0
-            inputs:
-              dockerVersion: '20.10.21'
-            displayName: 'Install Docker'
-          
+          # Docker is pre-installed now
+          # Verify it's working and start the daemon
           - bash: |
               set -e
               echo "Verifying we're on Linux..."
@@ -82,9 +78,14 @@ stages:
               
               uname -a
               
-              # Start dockerd
-              sudo dockerd > docker.log 2>&1 &
-              sleep 10
+              # Check if Docker daemon is already running
+              if ! docker info > /dev/null 2>&1; then
+                echo "Docker daemon not running, starting it..."
+                sudo dockerd > docker.log 2>&1 &
+                sleep 10
+              else
+                echo "Docker daemon already running"
+              fi
               
               # Verify Docker works
               docker --version

OneBranchPipelines/stages/build-windows-single-stage.yml

@@ -38,9 +38,9 @@ stages:
         pool:
           type: windows
           isCustom: true
-          name: Django-1ES-pool
+          name: Python-1ES-pool
           demands:
-          - imageOverride -equals WIN22-SQL22
+          - imageOverride -equals PYTHON-1ES-MMS2022
         # Extended timeout for downloads, builds, and testing
         timeoutInMinutes: 120