jenkins pipeline: multiline shell commands with pipe

Question

I am trying to create a Jenkins pipeline where I need to execute multiple shell commands and use the result of one command in the next command or so. I found that wrapping t

Answer 1

The following scenario shows a real example that may need to use multiline shell commands. Which is, say you are using a plugin like Publish Over SSH and you need to execute a set of commands in the destination host in a single SSH session:

stage ('Prepare destination host') {
  sh '''
      ssh -t -t user@host 'bash -s << 'ENDSSH'
      if [[ -d "/path/to/some/directory/" ]];
      then
          rm -f /path/to/some/directory/*.jar
      else
          sudo mkdir -p /path/to/some/directory/
          sudo chmod -R 755 /path/to/some/directory/
          sudo chown -R user:user /path/to/some/directory/
      fi
ENDSSH'
     '''
}

Special Notes:

• The last ENDSSH' should not have any characters before it. So it should be at the starting position of a new line.
• use ssh -t -t if you have sudo within the remote shell command