Merge remote-tracking branch 'git.kebler.net/master' into giskard

giskard
Kebler Network System Administrator 2021-12-30 13:07:53 -08:00
commit 6357528bb8
10 changed files with 185 additions and 0 deletions

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#!/bin/bash
log=$HOME/.session/session.log
&>> $log
echo $USER $HOME
echo "lightdm login setup $(date)"
# example commands to run when logging in, here binding some other directories for the user
#echo "binding chromium browsers to .browsers"
#/usr/bin/bindfs --map=sysadmin/$USER:@users/@$USER /opt/chromium/default $HOME/.browsers/default
# bind alternate downloads directory
#/usr/bin/bindfs --map=sysadmin/$USER:@users/@$USER /data/downloads $HOME/Downloads

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#!/bin/bash
log=$HOME/.session/session.log
&>> $log
echo $USER $HOME
echo "lightdm logout cleanup $(date)"
# example complimentary cleanup here unmounting those mounted in session_login
#echo "un mounting chromium browsers from .browsers"
#/bin/fusermount -u $HOME/.browsers/default
#/bin/fusermount -u $HOME/Downloads

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#!/bin/bash
# run the session login script manually, used for debugging
sudo -E HOME=$HOME USER=$USER ./session_login

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#!/bin/bash
# run the session logout script manually, used for debugging
sudo -E HOME=$HOME USER=$USER /bin/bash session_logout

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[Seat:*]
session-cleanup-script=/opt/scripts/lightdm-cleanup.sh
session-setup-script=/opt/scripts/lightdm-setup.sh

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#!/bin/bash
function confirm()
{
echo -n "$@ "
read -e answer
for response in y Y yes YES Yes Sure sure SURE OK ok Ok
do
if [ "_$answer" == "_$response" ]
then
return 0
fi
done
# Any answer other than the list above is considered a "no" answer
return 1
}
if [[ -d $HOME/.session ]]; then
echo $HOME/.session folder already exists
confirm "!overwrite??? (y/n)" || exit
/bin/cp -r -f $HOME/.session/ $HOME/.session-saved/
echo saved copy first to $HOME/.session-saved
fi
echo copying .session from $(pwd) to $HOME
/bin/cp -r -f .session/ $HOME
echo setting execute permissions
chmod +x $HOME/.session/*

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#!/bin/bash
echo "cleanup for ${USER}:${HOME} $(date)" >> /opt/scripts/lightdm.log
log=${HOME}/.session.log
if [[ -e $HOME/.session_logout ]]; then su -c "/bin/bash $HOME/.session_logout 1>>${log} 2>>${log} || true" $USER; fi

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#!/bin/bash
echo "setup for ${USER}:${HOME} $(date)" >> /opt/scripts/lightdm.log
log=${HOME}/.session.log
if [[ -e $HOME/.session_login ]]; then su -c "/bin/bash $HOME/.session_login 1>>${log} 2>>${log} || true" $USER; fi

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#!/bin/bash
loginout_install() {
module_load confirm
module_load helpers
[[ ! $(systemctl list-units | grep lightdm) ]] && echo lightdm not running on this machine, aborting && return
SDIR=$(adirname "$0")
pushd $SDIR &> /dev/null || exit
[[ ! -d /etc/lightdm/lightdm.conf.d ]] && mkdir -p /etc/lightdm/lightdm.conf.d
echo copying 50-setup-cleanup.conf to /etc/lightdm/lightdm.conf.d
sudo cp -f 50-setup-cleanup.conf /etc/lightdm/lightdm.conf.d
if [[ ! -d /opt/scripts ]]; then
if [[ ! $(mkdir -p /opt/scripts) ]]; then
_sudo="sudo"
[[ $($_sudo mkdir -p /opt/scripts) ]] && echo can not make /opt/scripts, aborting && return
fi
fi
echo copying lightdm-cleanup.sh and lightdm-setup.sh to /opt/scripts
$_sudo cp -f lightdm-*.sh /opt/scripts
popd >/dev/null
_user=${1:-${USER}}
confirm "add a user .session folder for $_user" && add_user_session $1
}
function add_user_session {
module_load confirm
module_load helpers
SDIR=$(adirname "$0")
# echo source directory: $SDIR
pushd $SDIR &> /dev/null || exit
_user=${1:-${USER}}
[[ ! $(user_exists $_user) ]] && echo user $_user does not exist, aborting && return
_home=$(bash -c "cd ~$(printf %q $_user) && pwd")
echo making $_home/.session folder for $_user
# mkdir $USER/.session
sudo -H -E -u "$_user" -s /bin/bash cpy.session.sh
popd >/dev/null
# confirm "do you want to install WidevineCDM for digital streaming rights?"
# if [ $? -eq 0 ]; then
# module_load widevine-install
# widevine_install
# fi
}
# if script was executed then call the function
(return 0 2>/dev/null) || loginout_install $@

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Lightdm (gdm) is the login manager for linux ubuntu and mint (by default)
If you need setup and cleanup that is ONLY done at lightdm login/logout then
one can run a script to setup and cleanup the session by
running the loginout-install script, requires sudo
`module_load loginout-install; loginout_install <user>` # default is current user
after loading common scripts this will ask if you want to add the .session folder for the user
or if you just need to add a user .session folder afterward
`module_load loginout-install; add_user_session <user>`
the script does this
in `/etc/lightdm/lightdm.conf.d` adds a file `50-setup-cleanup.conf`
```
[Seat:*]
session-cleanup-script=/opt/scripts/lightdm-cleanup.sh
session-setup-script=/opt/scripts/lightdm-setup.sh
```
in /opt/scripts put two files below and make sure they are +x executable
```
#!/bin/bash
#lightdm-setup.sh
echo "setup for ${USER}:${HOME} $(date)" >> /opt/scripts/lightdm.log
log=${HOME}/.session.log
if [[ -e $HOME/.session_login ]]; then su -c "/bin/bash $HOME/.session_login 1>>${log} 2>>${log} || true" $USER; fi
```
```
#!/bin/bash
#lightdm-cleanup.sh
echo "cleanup for ${USER}:${HOME} $(date)" >> /opt/scripts/lightdm.log
log=${HOME}/.session.log
if [[ -e $HOME/.session_logout ]]; then su -c "/bin/bash $HOME/.session_logout 1>>${log} 2>>${log} || true" $USER; fi
```
then in the user home puts
`.session_login` and `.session_logout` files both executable
in those you can do anything like bindfs and fusermount -u
make sure you restart lightdm or reboot
`sdr lightdm`