Fast google cloud VM ssh sessions

gcp.sh

gcp () {
	local inp1 inp2
	inp1=$1
	inp2=$2
  DEFAULT_USER=SOME_USER
	if (( ! $# ))
	then
		inp1="-h"
	fi
	if [[ $inp1 == "-h" || $inp1 == "--help" ]]
	then
		echo "$0 - google compute connect\n"
		echo "usage: $0 -h"
		echo "usage: $0 -l"
		echo "usage: $0 -c default\n\nOptions:"
		echo "\t-h, --help\t\t\t display help message and exit"
		echo "\t-l, --list\t\t\t list instances"
		echo "\t-c, --connect=user@name\t\t ssh to instance"
		return 1
	elif [[ $inp1 == "-l" || $inp1 == "--list" ]]
	then
		VM_USER=""
		VM_INSTANCE="${inp2#*@}"
		FILTER=""
		if [[ $inp2 != "" ]]
		then
			read -r -d '' FILTER <<EOF
      --filter="name=${VM_INSTANCE}"
EOF
			VM_USER="${inp2%@*}"
			VM_INSTANCE="${inp2#*@}"
		fi
		eval gcloud compute instances list $FILTER
	elif [[ ( $inp1 == "-c" || $inp1 == "--connect" ) && $inp2 != "" ]]
	then
		VM_USER="${inp2%@*}"
		VM_INSTANCE="${inp2#*@}"
		FILTER=""
		read -r -d '' FILTER <<EOF
    --filter="name=${VM_INSTANCE}"
EOF
		OUTPUT=$(eval gcloud compute instances list $FILTER)
		if [[ $(echo $OUTPUT|grep -c '.') > 1 ]]
		then
			IP=$(echo $OUTPUT | tail -n 1 | awk '{print $5}')
			echo $3
			echo "Connecting to $VM_INSTANCE ($IP)..."
			sleep 1
			if [[ $VM_USER != $VM_INSTANCE ]]
			then
				ssh ${VM_USER}@${IP} || gcloud compute ssh ${VM_USER}@${VM_INSTANCE}
			else
				ssh weatherbell@${IP} || gcloud compute ssh ${DEFAULT_USER}@${VM_INSTANCE}
			fi
		fi
	else
		echo "idk wtf"
	fi
}
gcp is /usr/local/bin/gcp