update ci

Author: Shuanglu

azure-pipelines.yml

@@ -13,15 +13,23 @@ steps:
     command: 'get'
     arguments: '-d'
     workingDirectory: '$(System.DefaultWorkingDirectory)'
+- task: CmdLine@2
+  inputs:
+    env: 
+      upx: 'https://github.com/upx/upx/releases/download/v3.96/upx-3.96-amd64_linux.tar.xz'
+    script: 'wget %UPX% && tar -xvf ./upx-3.96-amd64_linux.tar.xz'
 - task: Go@0
   inputs:
     command: 'build'
     workingDirectory: '$(System.DefaultWorkingDirectory)'
     arguments: '-o "$(System.DefaultWorkingDirectory)/k8stcpdump" -ldflags="-s -w"'
+- task: CmdLine@2
+  inputs:
+    script: './upx-3.96-amd64_linux --brute $(System.DefaultWorkingDirectory)/k8stcpdump'
 - task: CopyFiles@2
   inputs:
     Contents: $(System.DefaultWorkingDirectory)/k8stcpdump
     TargetFolder: '$(Build.ArtifactStagingDirectory)/k8stcpdump'
 - task: PublishBuildArtifacts@1
   inputs:
-     artifactName: drop
+     artifactName: k8stcpdump