devstack/tools/create-stack-user.sh
Dean Troyer 23f69d83e5 Split the creation of $STACK_USER account out of stack.sh
Automatically creating a new user account is not always the right course
of action when stack.sh is running as root.  Plus, the re-exec did not
work correctly in some cases.

* Create tools/create-stack-user.sh to set up a suitable user
  for running DevStack
* Abort stack.sh and unstack.sh if running as root and suggest creating a
  suitable user account.

Change-Id: I5d967c00c89f32e861449234ea8fe19261cd9ae3
2013-10-04 16:36:00 -05:00

50 lines
1.6 KiB
Bash

#!/usr/bin/env bash
# **create-stack-user.sh**
# Create a user account suitable for running DevStack
# - create a group named $STACK_USER if it does not exist
# - create a user named $STACK_USER if it does not exist
# - home is $DEST
# - configure sudo for $STACK_USER
# ``stack.sh`` was never intended to run as root. It had a hack to do what is
# now in this script and re-launch itself, but that hack was less than perfect
# and it was time for this nonsense to stop. Run this script as root to create
# the user and configure sudo.
# Keep track of the devstack directory
TOP_DIR=$(cd $(dirname "$0")/.. && pwd)
# Import common functions
source $TOP_DIR/functions
# Determine what system we are running on. This provides ``os_VENDOR``,
# ``os_RELEASE``, ``os_UPDATE``, ``os_PACKAGE``, ``os_CODENAME``
# and ``DISTRO``
GetDistro
# Needed to get ``ENABLED_SERVICES``
source $TOP_DIR/stackrc
# Give the non-root user the ability to run as **root** via ``sudo``
is_package_installed sudo || install_package sudo
if ! getent group $STACK_USER >/dev/null; then
echo "Creating a group called $STACK_USER"
groupadd $STACK_USER
fi
if ! getent passwd $STACK_USER >/dev/null; then
echo "Creating a user called $STACK_USER"
useradd -g $STACK_USER -s /bin/bash -d $DEST -m $STACK_USER
fi
echo "Giving stack user passwordless sudo privileges"
# UEC images ``/etc/sudoers`` does not have a ``#includedir``, add one
grep -q "^#includedir.*/etc/sudoers.d" /etc/sudoers ||
echo "#includedir /etc/sudoers.d" >> /etc/sudoers
( umask 226 && echo "$STACK_USER ALL=(ALL) NOPASSWD:ALL" \
> /etc/sudoers.d/50_stack_sh )