Script of download remote file when use trouble shooting.

get_server_logs

#!/bin/bash
hosts=$@
filenames='
/var/log/messages
/var/log/ecs/ecs-agent.log
/var/log/docker
'

for host in $hosts; do
  for filename in $filenames; do
    escape_filename=$(echo $filename | sed 's/^\///' | sed 's/\//-/g')
    echo $host $filename
    if ssh $host sudo test ! -f $filename; then
      echo "$filename not exists"
      continue
    fi
    ssh $host sudo cp $filename \$HOME/$escape_filename
    ssh $host sudo chown \$USER \$HOME/$escape_filename
    ssh $host gzip -f \$HOME/$escape_filename
    scp $host:\$HOME/${escape_filename}.gz ./${host}_${escape_filename}.gz
  done
done