aws-utils.sh

lsips () {
    aws ec2 describe-instances $@ --query "Reservations[].Instances[].PrivateIpAddress"
}

lsfilters () {
    lsips --filters $@
}

lstag () {
    lsfilters "Name=tag-key,Values=$1" "Name=tag-value,Values=$2"
}

lsname () {
    lstag Name $1
}

lsrole () {
    lstag Role $1
}

lsid () {
    lsips --instance-ids $@
}

sshrole () {
    ip=`lsrole $@ | jq -r ".[]" | perl -e 'srand; rand($.) < 1 && ($line = $_) while <>; print $line;'`
    ssh $ip
}