ec2-ip, ec2-ssh

ec2-ssh.sh

# ec2-ip
function ec2-ip() {
  if [[ $1 == "" ]]; then
    PERCOL=percol
  else
    PERCOL="percol --query $1"
  fi
  instances | eval $PERCOL | awk '{ print $1 }'
}

function instances() {
  instances=( $(aws ec2 describe-instances \
    --query 'Reservations[*].Instances[*].[Tags[?Key==`Name`].Value[],PublicIpAddress]' \
    --output text | awk '{ print $0}') )

  for i in `seq 1 ${#instances[@]}`; do
    if [ `expr $i % 2` -eq 0 ]; then
      echo ${instances[$i-1]} ${instances[$i]}
    fi
  done
}

# ec2-ssh
function ec2-ssh() {
  if [[ $1 =~ "^-" ]]; then
    QUERY=""            # options only
  else
    QUERY=$1            # with a query
    [[ $# > 0 ]] && shift
  fi
  ssh webadmin@$(ec2-ip $QUERY) -p2222 -i ~/.ssh/id_rsa
}