nix-bitcoin/helper/vbox-resize-disk1.sh
2019-11-11 18:45:17 +01:00

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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p jq
while getopts ":d:m:s:f:yh" opt; do
case $opt in
d)
DEPLOYMENT="$OPTARG"
;;
m)
MACHINE="$OPTARG"
;;
s)
NEW_SIZE="$OPTARG"
;;
f)
DISK_FILE="$OPTARG"
;;
y)
YES="yes"
;;
h)
echo "Usage: $0 [-d <deployment>] [-m <machine>] [-s <size>] [-f <file>] [-y]"
echo ""
echo "Options:"
echo " -d <deployment> NixOps deployment name. Default: bitcoin-node."
echo " -m <machine> NixOps machine name. Default: bitcoin-node."
echo " -s <size> New disk size in megabytes. Default: 358400 (350gb)."
echo " -f <file> Path to vbox disk file/VDI. Default: read from nixops export."
echo " -y Don't ask for confirmation."
exit 0
;;
\?)
echo "Invalid option: -$OPTARG" >&2
exit 1
;;
:)
echo "Option -$OPTARG requires an argument." >&2
exit 1
;;
esac
done
DEPLOYMENT=${DEPLOYMENT:-"bitcoin-node"}
MACHINE=${MACHINE:-"bitcoin-node"}
NEW_SIZE=${NEW_SIZE:-358400}
DISK_FILE=${DISK_FILE:-$(nixops export -d $DEPLOYMENT | jq -r '..|."virtualbox.disks"?|select(.!=null)' | jq -r .disk1.path)}
echo "Resizing virtualbox disk for use with nixops and nix-bitcoin."
echo "Using deployment: $DEPLOYMENT"
echo "Using machine: $MACHINE"
echo "Using size: $NEW_SIZE"
echo "Using disk file: $DISK_FILE"
if [ "$YES" != "yes" ]; then
read -p "Continue? [Y/n] " -n 1 -r
echo
if [[ ! "$REPLY" =~ ^[Yy]$ ]]; then
exit 1
fi
fi
set -ex
nixops stop -d $DEPLOYMENT
VBoxManage modifyhd --resize $NEW_SIZE "$DISK_FILE"
nixops start -d $DEPLOYMENT
# (
# echo d # [d]elete 50gb partition
# echo n # [n]ew partition
# echo p # [p]rimary partition
# echo # partition number (Accept default: 1)
# echo # first sector (Accept default: 1)
# echo # last sector (Accept default: determined by $NEW_SIZE)
# echo w # [w]rite changes
# ) | fdisk
nixops ssh -d $DEPLOYMENT $MACHINE -- '(echo d; echo n; echo p; echo; echo; echo; echo w; ) | fdisk /dev/sda'
nixops reboot -d $DEPLOYMENT
nixops ssh -d $DEPLOYMENT $MACHINE -- resize2fs /dev/sda1
nixops ssh -d $DEPLOYMENT $MACHINE -- df -h