[ci]: archive kvmtest artifacts (#6567)

- archive logs
- archive kvm memdump when failed
- publish kvm test results

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

azure-pipelines.yml

@@ -163,19 +163,19 @@ stages:
         pwd
         username=$(id -un)
 
+        rm -rf $(Build.ArtifactStagingDirectory)/*
         docker exec sonic-mgmt bash -c "/data/sonic-mgmt/tests/kvmtest.sh -en $(tbname) $(dut)"
 
         # save dut state if test fails
         if [ $? != 0 ]; then
             virsh_version=$(virsh --version)
             if [ $virsh_version == "6.0.0" ]; then
-                rm -rf kvmdump
-                mkdir -p kvmdump
+                mkdir -p $(Build.ArtifactStagingDirectory)/kvmdump
                 virsh -c qemu:///system list
-                virsh -c qemu:///system save $(dut) kvmdump/$(dut).memdmp
-                virsh -c qemu:///system dumpxml $(dut) > kvmdump/$(dut).xml
+                virsh -c qemu:///system save $(dut) $(Build.ArtifactStagingDirectory)/kvmdump/$(dut).memdmp
+                virsh -c qemu:///system dumpxml $(dut) > $(Build.ArtifactStagingDirectory)/kvmdump/$(dut).xml
                 img=$(virsh -c qemu:///system domblklist $(dut) | grep vda | awk '{print $2}')
-                cp $img kvmdump/$(dut).img
+                cp $img $(Build.ArtifactStagingDirectory)/kvmdump/$(dut).img
                 sudo chown -R $username.$username kvmdump
                 virsh -c qemu:///system undefine $(dut)
             fi
@@ -183,11 +183,28 @@ stages:
             rm -rf ptfdump
             mkdir -p ptfdump
             docker commit $(ptf_name) docker-ptf:$(Build.BuildNumber)
-            docker save docker-ptf:$(Build.BuildNumber) | gzip -c > ptfdump/docker-ptf-dump.gz
+            docker save docker-ptf:$(Build.BuildNumber) | gzip -c > $(Build.ArtifactStagingDirectory)/kvmdump/docker-ptf-dump.gz
             docker rmi docker-ptf:$(Build.BuildNumber)
 
+            cp -r /data/sonic-mgmt/tests/logs $(Build.ArtifactStagingDirectory)/
+
             exit 2
         else
             sudo rm /nfs/azpl/kvmimage/sonic-vs.$(Build.BuildNumber).img.gz
+
+            cp -r /data/sonic-mgmt/tests/logs $(Build.ArtifactStagingDirectory)/
         fi
       displayName: "Run T0 tests"
+    - publish: $(Build.ArtifactStagingDirectory)/kvmdump
+      artifact: sonic-buildimage.kvmtest.memdump
+      displayName: "Archive sonic kvm memdump"
+      condition: failed()
+    - publish: $(Build.ArtifactStagingDirectory)/logs
+      artifact: sonic-buildimage.kvmtest.log
+      displayName: "Archive sonic kvm logs"
+      condition: succeededOrFailed()
+    - task: PublishTestResults@2
+      inputs:
+        testResultsFiles: '$(Build.ArtifactStagingDirectory)/logs/**/*.xml'
+        testRunTitle: kvmtest
+      condition: succeededOrFailed()