Script to setup cluster accounts when logged in through AD

before_first_login.sh

+#!/bin/bash
+# By jan.vanhaarst@wur.nl
+
+## Script to create home directory and make sure the cluster knows where to find it.
+## Installation :
+## /etc/pam.d/password-auth:
+## session     optional      pam_exec.so stdout seteuid /root/before_first_login.sh
+
+# Quit on error
+set -o errexit
+
+if [ $PAM_TYPE == 'open_session' ]
+    then
+    # Variables
+    USER_NAME=${PAM_USER}
+    HOME_LOCATION='/export/home/'${USER_NAME}
+    PATH=$PATH:/opt/rocks/bin:/sbin
+    HOMEDIRSRV=`rocks list host attr $(hostname -s)  | grep Info_HomeDirSrv | awk '{print $3}'`
+    HOMEDIRLOC=`rocks list host attr $(hostname -s)  | grep Info_HomeDirLoc | awk '{print $3}'`
+    # Check whether the home directory exists
+    if [ $(grep -c '^'$USER_NAME /etc/auto.home) == 0 ]
+    then
+        # Create user entry in passwd file
+        WBINFO=$(wbinfo --user-info $USER_NAME)
+        if [ $(grep -c '^'$USER_NAME /etc/passwd) == 0 ]
+        then
+            echo "$WBINFO" >> /etc/passwd
+        fi
+        # Get user and group id's
+        read USER_ID GROUP_ID <<< $(echo "$WBINFO" | awk -F':' '{print $3 " " $4}')
+        # Fill home directory from /etc/skel
+        if [ ! -d $HOME_LOCATION ]
+        then
+            cp -a /etc/skel $HOME_LOCATION
+            chown -R $USER_ID:$GROUP_ID $HOME_LOCATION
+        fi
+        # Add user to auto.home and force automount to read it
+        if [ $(grep -c '^'$USER_NAME /etc/auto.home) == 0 ]
+        then
+            echo -e "$USER_NAME\t${HOMEDIRSRV}:${HOMEDIRLOC}/${USER_NAME}" >> /etc/auto.home
+                /sbin/service autofs restart
+        fi
+        # Tell Rocks of the new user
+        rocks sync users > /dev/null
+    fi
+fi