[ci]: add azure pipeline yaml

Signed-off-by: Guohan Lu <lguohan@gmail.com>

.artifactignore

@@ -0,0 +1,5 @@
+**/*
+!target/*.bin
+!target/*.log
+!target/*.img.gz
+!target/docker-sonic-vs.gz

azure-pipelines.yml

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+# Starter pipeline
+# Start with a minimal pipeline that you can customize to build and deploy your code.
+# Add steps that build, run tests, deploy, and more:
+# https://aka.ms/yaml
+
+trigger:
+- main
+
+name: $(TeamProject)_$(Build.DefinitionName)_$(SourceBranchName)_$(Date:yyyyMMdd)$(Rev:.r)
+
+resources:
+  repositories:
+  - repository: sonic-mgmt
+    type: github
+    name: Azure/sonic-mgmt
+    endpoint: build
+
+stages:
+- stage: Build
+  pool: sonicbld
+
+  jobs:
+  - job:
+    displayName: "broadcom"
+    timeoutInMinutes: 600
+    steps:
+    - checkout: self
+      submodules: recursive
+      displayName: 'Checkout code'
+
+    - script: |
+        sudo modprobe overlay
+        CACHE_OPTIONS="SONIC_DPKG_CACHE_METHOD=rcache SONIC_DPKG_CACHE_SOURCE=/nfs/dpkg_cache/broadcom"
+        make configure PLATFORM=broadcom
+        trap "sudo rm -rf fsroot" EXIT
+        make USERNAME=admin SONIC_BUILD_JOBS=$(nproc) $CACHE_OPTIONS target/sonic-broadcom.bin
+      displayName: 'Build sonic image'
+    - publish: $(System.DefaultWorkingDirectory)/
+      artifact: sonic-buildimage.broadcom.201811
+      displayName: "Archive sonic image"
+
+  - job:
+    displayName: "mellanox"
+    timeoutInMinutes: 600
+    steps:
+    - checkout: self
+      submodules: recursive
+      displayName: 'Checkout code'
+
+    - script: |
+        sudo modprobe overlay
+        CACHE_OPTIONS="SONIC_DPKG_CACHE_METHOD=rcache SONIC_DPKG_CACHE_SOURCE=/nfs/dpkg_cache/mellanox"
+        make configure PLATFORM=mellanox
+        trap "sudo rm -rf fsroot" EXIT
+        make USERNAME=admin SONIC_BUILD_JOBS=$(nproc) $CACHE_OPTIONS target/sonic-mellanox.bin
+      displayName: 'Build sonic image'
+    - publish: $(System.DefaultWorkingDirectory)/
+      artifact: sonic-buildimage.mellanox.201811
+      displayName: "Archive sonic image"
+
+  - job:
+    displayName: "kvm"
+    timeoutInMinutes: 600
+    steps:
+    - checkout: self
+      submodules: recursive
+      displayName: 'Checkout code'
+
+    - script: |
+        echo $(Build.BuildNumber)
+        sudo modprobe overlay
+        CACHE_OPTIONS="SONIC_DPKG_CACHE_METHOD=rcache SONIC_DPKG_CACHE_SOURCE=/nfs/dpkg_cache/vs"
+        ENABLE_DOCKER_BASE_PULL=y make configure PLATFORM=vs
+        trap "sudo rm -rf fsroot" EXIT
+        make USERNAME=admin SONIC_BUILD_JOBS=$(nproc) $CACHE_OPTIONS \
+            target/docker-sonic-vs.gz target/sonic-vs.img.gz && \
+            sudo cp target/sonic-vs.img.gz /nfs/azpl/kvmimage/sonic-vs.$(Build.BuildNumber).img.gz
+      displayName: 'Build sonic image'
+    - publish: $(System.DefaultWorkingDirectory)/
+      artifact: sonic-buildimage.kvm.201811
+      displayName: "Archive sonic image"