#!/usr/bin/zsh
WA_REPO=$HOME/wa_repos
TASK_PERFORMING=nfs_server_setup
sudo lsblk

echo -n "disk name (eg vdb): "
read -r DISK_NAME

perform_lvm_tasks() {
    echo -ne "
Next Step
1) create /vgnfs/lvdata on $DISK_NAME and mount as xfs
2) Skip because already done
0) Exit
Choose an option:  "
    read -r ans
    case $ans in
    1)
        NFSGRP=vgnfs
        NFSVOL=lvdata
        PNFS=/$NFSGRP/$NFSVOL
        echo "<=><=><=><=><=><=><=><=><=><=><=><=><=><=><=><=>"
        echo "seting up lvm and mount $PNFS"
        cat << EOF
        # doing 
        mkdir -p $PNFS
        chown nobody:nogroup $PNFS
        sudo vgcreate $NFSGRP /dev/$DISK_NAME
        sudo lvcreate -n $NFSVOL -l +100%FREE $NFSGRP
        sudo mkfs -t xfs -n ftype=1 /dev/$NFSGRP/$NFSVOL
        sudo echo "/dev/mapper/$NFSGRP-$NFSVOL /$NFSGRP/$NFSVOL xfs defaults,nofail,x-systemd.device-timeout=10 0 0" >> /etc/fstab
        sudo mount -a
EOF
        mkdir -p $PNFS
        chown nobody:nogroup $PNFS
        sudo vgcreate $NFSGRP /dev/$DISK_NAME
        sudo lvcreate -n $NFSVOL -l +100%FREE $NFSGRP
        sudo mkfs -t xfs -n ftype=1 /dev/$NFSGRP/$NFSVOL
        sudo echo "/dev/mapper/$NFSGRP-$NFSVOL /$NFSGRP/$NFSVOL xfs defaults,nofail,x-systemd.device-timeout=10 0 0" >> /etc/fstab
        sudo mount -a
      ;;

    2)
      echo "...skipping"
      ;;

    0)
      echo "Bye bye."
      exit 0
      ;;
    *)
      echo "Wrong option."
      what_to_do
      ;;
    esac
}
echo "now pulling exports from repo"