Open an iTerm to every instance in an AutoScaling Group using aws-cli, knife and jq

multi-terminals.sh

launch_terms () {
  until [ -z "$1" ]             # Until uses up arguments passed...
  do
    /usr/bin/osascript <<-EOF
tell application "iTerm"
    make new terminal
    tell the current terminal
        activate current session
        launch session "Default Session"
        tell the last session
            write text "sshto \"$1\""
        end tell
    end tell
end tell
EOF
    shift
  done
}

launch () {
  launch_terms `aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names $1 --output json | jq '.AutoScalingGroups[0].Instances | .[].InstanceId' -r`
}

sshto() {
  ssh ubuntu@`knife ec2 server list | grep $1 | awk '{print $3}'`
}