Firs fish functions to help daily.

addMachine.fish

function -d "Adds a function with the machine name, so you can connect to it" addMachine
  test -r $HOME/.config/fish/functions/$argv.fish; and rm $HOME/.config/fish/functions/$argv.fish; and echo "Replacing existing machine: $argv"; or echo "Seting up $argv"
  echo "#Function added by addMachine" >> "$HOME/.config/fish/functions/$argv.fish"
  echo "function -d \"connects to $argv machine.\" $argv"  >> "$HOME/.config/fish/functions/$argv.fish"
  echo "  connect $argv" '$argv' >> "$HOME/.config/fish/functions/$argv.fish"
  echo "end" >> "$HOME/.config/fish/functions/$argv.fish"
end

connect.fish

function -d "Connects to a given machine. dc and local domains are allowed" connect
  echo $argv
  set machine $argv[1]
  set machineNumber $argv[2]
  set domain $argv[3]
  switch $domain
    case prd
        set domain your.prd.domain
    case dev
        set domain your.dev.domain
    case '*'
        echo Please inform the domain to connect to
  end
  echo "Connecting to $machine$machineNumber.$domain......."
  ssh "$machine$machineNumber.$domain" -lroot -A
end