The bug is fixed

.artifactignore

@@ -0,0 +1,12 @@
+**/*
+!target/*.bin
+!target/*.log
+!target/*.img.gz
+!target/docker-sonic-vs.gz
+!target/docker-ptf.gz
+!target/debs/**/*.deb
+!target/debs/**/*.deb.log
+!target/debs/**/*.deb-install.log
+!target/python-wheels/*.whl
+!target/python-wheels/*.whl.log
+!target/python-wheels/*.whl-install.log

.azure-pipelines/build-template.yml

@@ -0,0 +1,101 @@
+parameters:
+- name: platform
+  type: string
+  values:
+  - broadcom
+  - mellanox
+  - marvell-armhf
+
+- name: platform_arch
+  type: string
+  values:
+  - amd64
+  - armhf
+  - arm64
+  default: amd64
+
+- name: platform_short
+  type: string
+  values:
+  - brcm
+  - mlnx
+  - marvell-armhf
+
+- name: cache_mode
+  type: string
+  values:
+  - wcache
+  - rcache
+  - cache
+
+- name: pool
+  type: string
+  values:
+  - sonicbld
+  - sonicbld_8c
+  default: sonicbld
+
+- name: dbg_image
+  type: boolean
+  default: false
+
+- name: swi_image
+  type: boolean
+  default: false
+
+- name: raw_image
+  type: boolean
+  default: false
+
+- name: sync_rpc_image
+  type: boolean
+  default: false
+
+- name: timeout
+  type: number
+  default: 600
+
+jobs:
+- job:
+  pool: ${{ parameters.pool }}
+  displayName: ${{ parameters.platform }}
+  timeoutInMinutes: ${{ parameters.timeout }}
+  steps:
+  - template: cleanup.yml
+  - checkout: self
+    clean: true
+    submodules: recursive
+    displayName: 'Checkout code'
+  - script: |
+      git submodule foreach --recursive 'git clean -xfdf || true'
+      git submodule foreach --recursive 'git reset --hard || true'
+      git submodule foreach --recursive 'git remote update || true'
+      git submodule update --init --recursive
+    displayName: 'Reset submodules'
+  - script: |
+      set -e
+      sudo modprobe overlay
+      sudo apt-get install -y acl
+      export DOCKER_DATA_ROOT_FOR_MULTIARCH=/data/march/docker
+      CACHE_OPTIONS="SONIC_DPKG_CACHE_METHOD=${{ parameters.cache_mode }} SONIC_DPKG_CACHE_SOURCE=/nfs/dpkg_cache/${{ parameters.platform }}"
+      ENABLE_DOCKER_BASE_PULL=y make configure PLATFORM=${{ parameters.platform }} PLATFORM_ARCH=${{ parameters.platform_arch }}
+      trap "sudo rm -rf fsroot" EXIT
+      if [ ${{ parameters.dbg_image }} == true ];then
+        make USERNAME=admin $CACHE_OPTIONS SONIC_BUILD_JOBS=$(nproc) INSTALL_DEBUG_TOOLS=y target/sonic-${{ parameters.platform }}.bin && \
+          mv target/sonic-${{ parameters.platform }}.bin target/sonic-${{ parameters.platform }}-dbg.bin
+      fi
+      if [ ${{ parameters.swi_image }} == true ];then
+        make USERNAME=admin $CACHE_OPTIONS SONIC_BUILD_JOBS=$(nproc) ENABLE_IMAGE_SIGNATURE=y target/sonic-aboot-${{ parameters.platform }}.swi
+      fi
+      if [ ${{ parameters.raw_image }} == true ];then
+        make USERNAME=admin $CACHE_OPTIONS SONIC_BUILD_JOBS=$(nproc) target/sonic-${{ parameters.platform }}.raw
+      fi
+      if [ ${{ parameters.sync_rpc_image }} == true ];then
+        make USERNAME=admin $CACHE_OPTIONS SONIC_BUILD_JOBS=$(nproc) ENABLE_SYNCD_RPC=y target/docker-syncd-${{ parameters.platform_short }}-rpc.gz
+      fi
+      make USERNAME=admin $CACHE_OPTIONS SONIC_BUILD_JOBS=$(nproc) target/sonic-${{ parameters.platform }}.bin
+    displayName: 'Build sonic image'
+  - publish: $(System.DefaultWorkingDirectory)/
+    artifact: sonic-buildimage.${{ parameters.platform }}
+    displayName: "Archive sonic image"
+  - template: cleanup.yml

.azure-pipelines/cleanup.yml

@@ -0,0 +1,15 @@
+steps:
+- script: |
+    if sudo [ -f /var/run/march/docker.pid ] ; then
+        pid=`sudo cat /var/run/march/docker.pid` ; sudo kill $pid
+    fi
+    sudo rm -f /var/run/march/docker.pid
+    sudo rm -rf /data/march/docker
+
+    # clean native docker build
+    if sudo [ -f dockerfs/var/run/docker.pid ] ; then
+        pid=`sudo cat dockerfs/var/run/docker.pid` ; sudo kill $pid
+    fi
+    sudo rm -rf dockerfs
+    sudo rm -rf fsroot
+  displayName: "Clean Workspace"

.azure-pipelines/official-build.yml

@@ -0,0 +1,38 @@
+# 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
+
+schedules:
+- cron: "0 8 * * *"
+  displayName: Daily midnight build
+  branches:
+    include:
+    - master
+  always: true
+
+trigger: none
+pr: none
+
+stages:
+- stage: Build
+
+  jobs:
+  - template: build-template.yml
+    parameters:
+      platform: broadcom
+      platform_short: brcm
+      cache_mode: wcache
+      dbg_image: true
+      swi_image: true
+      raw_image: true
+      sync_rpc_image: true
+
+  - template: build-template.yml
+    parameters:
+      timeout: 3600
+      platform: marvell-armhf
+      platform_arch: armhf
+      platform_short: marvell-armhf
+      cache_mode: wcache
+      pool: sonicbld_8c

.azure-pipelines/run-test-template.yml

@@ -0,0 +1,82 @@
+parameters:
+- name: dut
+  type: string
+- name: tbname
+  type: string
+- name: tbtype
+  type: string
+- name: ptf_name
+  type: string
+
+steps:
+- checkout: self
+  clean: true
+  displayName: 'checkout sonic-mgmt repo'
+
+- task: DownloadPipelineArtifact@2
+  inputs:
+    artifact: sonic-buildimage.kvm
+  displayName: "Download sonic-buildimage.kvm artifact"
+
+- script: |
+    set -x
+    sudo mkdir -p /data/sonic-vm/images
+    sudo cp -v ../target/sonic-vs.img.gz /data/sonic-vm/images/sonic-vs.img.gz
+    sudo gzip -fd /data/sonic-vm/images/sonic-vs.img.gz
+    username=$(id -un)
+    sudo chown -R $username.$username /data/sonic-vm
+
+    pushd /data/sonic-mgmt
+    git remote update
+    git reset --hard origin/master
+    sed -i s/use_own_value/${username}/ ansible/veos_vtb
+    echo aaa > ansible/password.txt
+    docker exec sonic-mgmt bash -c "pushd /data/sonic-mgmt/ansible;./testbed-cli.sh -d /data/sonic-vm -m $(inventory) -t $(testbed_file) -k ceos refresh-dut ${{ parameters.tbname }} password.txt" && sleep 180
+  displayName: "Setup testbed"
+
+- script: |
+    rm -rf $(Build.ArtifactStagingDirectory)/*
+    docker exec sonic-mgmt bash -c "/data/sonic-mgmt/tests/kvmtest.sh -en -T ${{ parameters.tbtype }} ${{ parameters.tbname }} ${{ parameters.dut }}"
+  displayName: "Run tests"
+
+- script: |
+    # save dut state if test fails
+    virsh_version=$(virsh --version)
+    if [ $virsh_version == "6.0.0" ]; then
+        mkdir -p $(Build.ArtifactStagingDirectory)/kvmdump
+        virsh -c qemu:///system list
+        virsh -c qemu:///system save ${{ parameters.dut }} $(Build.ArtifactStagingDirectory)/kvmdump/${{ parameters.dut }}.memdmp
+        virsh -c qemu:///system dumpxml ${{ parameters.dut }} > $(Build.ArtifactStagingDirectory)/kvmdump/${{ parameters.dut }}.xml
+        img=$(virsh -c qemu:///system domblklist ${{ parameters.dut }} | grep vda | awk '{print $2}')
+        cp $img $(Build.ArtifactStagingDirectory)/kvmdump/${{ parameters.dut }}.img
+        virsh -c qemu:///system undefine ${{ parameters.dut }}
+    fi
+
+    docker commit ${{ parameters.ptf_name }} docker-ptf:$(Build.BuildNumber)
+    docker save docker-ptf:$(Build.BuildNumber) | gzip -c > $(Build.ArtifactStagingDirectory)/kvmdump/docker-ptf-dump.gz
+    docker rmi docker-ptf:$(Build.BuildNumber)
+  displayName: "Collect kvmdump"
+  condition: failed()
+
+- script: |
+    cp -r /data/sonic-mgmt/tests/logs $(Build.ArtifactStagingDirectory)/
+    username=$(id -un)
+    sudo chown -R $username.$username $(Build.ArtifactStagingDirectory)
+  displayName: "Collect test logs"
+  condition: succeededOrFailed()
+
+- publish: $(Build.ArtifactStagingDirectory)/kvmdump
+  artifact: sonic-buildimage.kvmtest.${{ parameters.tbtype}}.memdump@$(System.JobAttempt)
+  displayName: "Archive sonic kvm memdump"
+  condition: failed()
+
+- publish: $(Build.ArtifactStagingDirectory)/logs
+  artifact: sonic-buildimage.kvmtest.${{ parameters.tbtype }}.log@$(System.JobAttempt)
+  displayName: "Archive sonic kvm logs"
+  condition: succeededOrFailed()
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '$(Build.ArtifactStagingDirectory)/logs/**/*.xml'
+    testRunTitle: kvmtest.${{ parameters.tbtype }}
+  condition: succeededOrFailed()

.github/CODEOWNERS

@@ -0,0 +1,35 @@
+# This is a comment.
+# Each line is a file pattern followed by one or more owners.
+
+# rules are explained here
+# https://docs.github.com/en/github/creating-cloning-and-archiving-repositories/about-code-owners
+
+# These owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence,
+# @lguohan will be requested for review when someone opens
+# a pull request.
+*       @lguohan
+
+/device/ @jleveque
+
+# build
+/rules/         @qiluo-msft @xumia @lguohan
+/Makefile       @qiluo-msft @xumia @lguohan
+/Makefile.cache @qiluo-msft @xumia @lguohan
+/Makefile.work  @qiluo-msft @xumia @lguohan
+/slave.mk       @qiluo-msft @xumia @lguohan
+/scripts        @qiluo-msft @xumia @lguohan
+
+# installer
+/installer/     @qiluo-msft
+
+# permission
+/files/image_config/sudoers/  @qiluo-msft
+
+# dockers
+/dockers/docker-base*/                  @qiluo-msft
+/dockers/docker-config-engine*/         @qiluo-msft
+/dockers/docker-snmp/                   @qiluo-msft
+
+# src
+/src/initramfs-tools/                   @qiluo-msft

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,21 +1,35 @@
 <!--
-Please make sure you've read and understood our contributing guidelines;
+Please make sure you've read and understood our contributing guidelines:
 https://github.com/Azure/SONiC/blob/gh-pages/CONTRIBUTING.md
 
 ** Make sure all your commits include a signature generated with `git commit -s` **
 
 If this is a bug fix, make sure your description includes "fixes #xxxx", or
-"closes #xxxx"
+"closes #xxxx" or "resolves #xxxx"
 
 Please provide the following information:
 -->
 
-**- What I did**
+**- Why I did it**
 
 **- How I did it**
 
 **- How to verify it**
 
+**- Which release branch to backport (provide reason below if selected)**
+
+<!--
+- Note we only backport fixes to a release branch, *not* features!
+- Please also provide a reason for the backporting below.
+- e.g.
+- [x] 202006
+-->
+
+- [ ] 201811
+- [ ] 201911
+- [ ] 202006
+- [ ] 202012
+
 **- Description for the changelog**
 <!--
 Write a short (one line) summary that describes the changes in this