[Ci] Support to use the same snapshot for all platform builds (sonic-net#13913)

IBGP

Author: xumia

.azure-pipelines/azure-pipelines-UpgrateVersion.yml

@@ -40,12 +40,32 @@ parameters:
     - marvell-armhf
 
 stages:
+- stage: Prepare
+  jobs:
+  - job: Prepare
+    steps:
+    - script: |
+        DEFAULT_MIRROR_URL_PREFIX=http://packages.trafficmanager.net
+        DEBIAN_TIMESTAMP=$(curl $DEFAULT_MIRROR_URL_PREFIX/snapshot/debian/latest/timestamp)
+        DEBIAN_SECURITY_TIMESTAMP=$(curl $DEFAULT_MIRROR_URL_PREFIX/snapshot/debian-security/latest/timestamp)
+        echo "DEBIAN_TIMESTAMP=$DEBIAN_TIMESTAMP, DEBIAN_SECURITY_TIMESTAMP=$DEBIAN_SECURITY_TIMESTAMP"
+        echo "##vso[task.setvariable variable=DEBIAN_TIMESTAMP;isOutput=true]$DEBIAN_TIMESTAMP"
+        echo "##vso[task.setvariable variable=DEBIAN_SECURITY_TIMESTAMP;isOutput=true]$DEBIAN_SECURITY_TIMESTAMP"
+      name: SetVersions
+      displayName: 'Set snapshot versions'
 - stage: Build
+  dependsOn: Prepare
   variables:
     - name: CACHE_MODE
       value: none
     - name: VERSION_CONTROL_OPTIONS
       value: 'SONIC_VERSION_CONTROL_COMPONENTS='
+    - name: SKIP_CHECKOUT
+      value: true
+    - name: DEBIAN_TIMESTAMP
+      value: $[ stageDependencies.Prepare.Prepare.outputs['SetVersions.DEBIAN_TIMESTAMP'] ]
+    - name: DEBIAN_SECURITY_TIMESTAMP
+      value: $[ stageDependencies.Prepare.Prepare.outputs['SetVersions.DEBIAN_SECURITY_TIMESTAMP'] ]
     - template: .azure-pipelines/template-variables.yml@buildimage
   jobs:
   - template: azure-pipelines-build.yml
@@ -54,6 +74,21 @@ stages:
       buildOptions: '${{ variables.VERSION_CONTROL_OPTIONS }} ENABLE_DOCKER_BASE_PULL=n SONIC_BUILD_JOBS=$(nproc) ENABLE_IMAGE_SIGNATURE=y'
       preSteps:
       - template: .azure-pipelines/template-clean-sonic-slave.yml@buildimage
+      - checkout: self
+        submodules: recursive
+        fetchDepth: 0
+        path: s
+        displayName: 'Checkout code'
+      - script: |
+          echo "DEBIAN_TIMESTAMP=$DEBIAN_TIMESTAMP, DEBIAN_SECURITY_TIMESTAMP=$DEBIAN_SECURITY_TIMESTAMP"
+          if [ "$MIRROR_SNAPSHOT" == y ]; then
+            mkdir -p target/versions/default/
+            echo "debian==$DEBIAN_TIMESTAMP" > target/versions/default/versions-mirror
+            echo "debian-security==$DEBIAN_SECURITY_TIMESTAMP" >> target/versions/default/versions-mirror
+            cat target/versions/default/versions-mirror
+          fi
+        displayName: 'Set snapshot versions'
+
 - stage: UpgradeVersions
   jobs:
   - job: UpgradeVersions