usr=hyperledger
home=/var/hyperledger

post_install() {
  _mkuser
  _chown
  cryptogen generate > /dev/null
  mv /crypto-config/peerOrganizations/org1.example.com/peers/peer0.org1.example.com/tls/* /etc/hyperledger/fabric/tls
  chmod 644 /etc/hyperledger/fabric/tls/*
  rm -rf /crypto-config
}

post_upgrade() {
  _mkuser
  _chown
}

post_remove() {
  echo "Please remove $home and user $usr manually doing"
  echo "userdel -rf $usr"
  echo "WARNING!!!"
  echo "Be sure to save your backup data"
  echo "/etc/hyperledger/fabric/tls should be deleted manually"
}

_chown() {
  chown -R $usr:$usr $home
}

_mkuser() {
  getent passwd $usr &>/dev/null || {
    echo -n "Creating hyperledger user... "
    grep -E "^hyperledger:" /etc/group >/dev/null || groupadd $usr
    useradd -m -d $home -g $usr -s /usr/bin/nologin $usr 2>/dev/null
    echo "done"
  }
}