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some improvements to 'create stack user' path

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* Increase the timeout from 3 to 10, so user has a bigger chance
  to kill the script if being run interactively before a 'stack'
  user is created.
* explicitly ask 'getent' for the stack user rather than getting
  all users and grepping (which would match an "openstack" user,
  or a user named "bob.stack")
* use $PWD rather than `pwd`
* create file in sudoers.d rather than modifying /etc/sudoers.
This commit is contained in:
Scott Moser 2011-10-07 15:18:10 +00:00 committed by Scott Moser
parent 7c481189bd
commit 0d2145a0f3
1 changed files with 11 additions and 9 deletions
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20
stack.sh
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@ -93,29 +93,31 @@ set -o xtrace
if [[ $EUID -eq 0 ]]; then if [[ $EUID -eq 0 ]]; then
echo "You are running this script as root." echo "You are running this script as root."
echo "In 10 seconds, we will create a user 'stack' and run as that user"
sleep 10
# since this script runs as a normal user, we need to give that user # since this script runs as a normal user, we need to give that user
# ability to run sudo # ability to run sudo
apt-get update apt-get update
apt-get install -y sudo apt-get install -y sudo
if ! getent passwd | grep -q stack; then if ! getent passwd stack >/dev/null; then
echo "Creating a user called stack" echo "Creating a user called stack"
useradd -U -G sudo -s /bin/bash -m stack useradd -U -G sudo -s /bin/bash -m stack
fi fi
echo "Giving stack user passwordless sudo priviledges" echo "Giving stack user passwordless sudo priviledges"
echo "stack ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers ( umask 226 && echo "stack ALL=(ALL) NOPASSWD: ALL" \
>> /etc/sudoers.d/50_stack_sh )
echo "Copying files to stack user" echo "Copying files to stack user"
cp -r -f `pwd` /home/stack/ STACK_DIR="/home/stack/${PWD%/*}"
THIS_DIR=$(basename $(dirname $(readlink -f $0))) cp -r -f "$PWD" "$STACK_DIR"
chown -R stack /home/stack/$THIS_DIR chown -R stack "$STACK_DIR"
echo "Running the script as stack in 3 seconds..."
sleep 3
if [[ "$SHELL_AFTER_RUN" != "no" ]]; then if [[ "$SHELL_AFTER_RUN" != "no" ]]; then
exec su -c "cd /home/stack/$THIS_DIR/; bash stack.sh; bash" stack exec su -ec "cd $STACK_DIR; bash stack.sh; bash" stack
else else
exec su -c "cd /home/stack/$THIS_DIR/; bash stack.sh" stack exec su -ec "cd $STACK_DIR; bash stack.sh" stack
fi fi
exit 0 exit 0
fi fi