#!/bin/bash -ex

if [ "$RS_REBOOT" == "true" ];then
  echo "rebooting, skipping script."
  exit 0
fi

volume_name="Follower-$RS_INSTANCE_UUID"

#volume_type=$VOLUME_TYPE
rsc_cmd='sudo /home/rightlink/rsc --rl10 cm15'
rsc_json_cmd="/home/rightlink/rsc"

#get the current instance values
instance=`$rsc_cmd index_instance_session /api/sessions/instance`
instance_href=`echo $instance | $rsc_json_cmd --x1 ':has(.rel:val("self")).href' json`
cloud_id=`echo $instance | $rsc_json_cmd --x1 ':has(.rel:val("self")).href' json | cut -d '/' -f 4`
#cloud_id=`$rsc_cmd --x1 ':has(.rel:val("cloud")).href' index_instance_session /api/sessions/instance | cut -d '/' -f 4`
datacenter_href=`echo $instance | $rsc_json_cmd --x1 ':has(.rel:val("datacenter")).href' json`

#volume_type_href_command="$rsc_cmd --x1 \ ':has(.rel:val("self")).href' \
#$index /api/clouds/$cloud_id/volume_types \ "filter[]=name==${volume_type}""
#$volume_type_href=`$volume_type_href_cmd`

#create the new volume
echo "Creating volume: $volume_name."
$rsc_cmd create /api/clouds/$cloud_id/volumes \
  "volume[name]=$volume_name" \
  "volume[size]=$VOLUME_SIZE"
# "volume[datacenter_href]=$datacenter_href"
#  "volume[volume_type_href]=$volume_type_href"
volume=`$rsc_cmd index /api/clouds/$cloud_id/volumes "filter[]=name==$volume_name"`
volume_status=`echo $volume | $rsc_json_cmd --x1 .status json`

#wait for volume to becaome available
while [ "$volume_status" != "available" ];do
  sleep 5
  echo "Getting volume status"
  volume=`$rsc_cmd index /api/clouds/$cloud_id/volumes "filter[]=name==$volume_name"`
  volume_status=`echo $volume | $rsc_json_cmd --x1 .status json`
done

# get volume_href from the last volumes request
volume_href=`echo $volume | $rsc_json_cmd --x1  ':has(.rel:val("self")).href'  json`

# attach the volume to instance
echo "Attaching volume: $volume_name to $instance_href"
$rsc_cmd create /api/clouds/$cloud_id/volume_attachments \
  "volume_attachment[instance_href]=$instance_href" \
  "volume_attachment[volume_href]=$volume_href" \
  "volume_attachment[device]=/dev/vdc"

echo "Volume $volume_name created and attached."

exit 0