fai-client 3.4.8ubuntu2 / usr / bin / fai-do-scripts

#! /bin/bash

#*********************************************************************
#
# fai-do-scripts - call configuration scripts for every defined class
#
# This script is part of FAI (Fully Automatic Installation)
# (c) 2003-2010 by Thomas Lange, lange@informatik.uni-koeln.de
# Universitaet zu Koeln
#
#*********************************************************************
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
# 
# A copy of the GNU General Public License is available as
# `/usr/share/common-licences/GPL' in the Debian GNU/Linux distribution
# or on the World Wide Web at http://www.gnu.org/copyleft/gpl.html. You
# can also obtain it by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#*********************************************************************

# variables needed: $classes, $cfclasses, $LOGDIR
# 
# And many other variables like:

# execute all scripts that match the name of a class.
# If class is a directory, execute all $class/[0-9][0-9]* scripts in
# it, but do not execute files ending in ~
    
maxstatus=0
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
savemaxstatus() {

    exitcode=$1 # set global variable
    # save the highest exit status
    [ $1 -gt $maxstatus ] && maxstatus=$1
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
fc_check_status() {

    local cmd st res
    cmd=$1
    st=$2

    if [ $st -eq 0 ]; then
	res="OK."
    else
	res="FAILED with exit code $st."
    fi
    # put result in the log file and write to stdout
    printf "%-20s $res\n\n" $cmd | tee -a $LOGDIR/status.log
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
call_conf() {

    local class f
    cd $1
    for class in $classes ; do
	[ -x $class -a -f $class ] && do_script $class
	if [ -d $class ]; then
	   for f in $(echo $class/[0-9][0-9]* ) ; do
	       [ -x $f -a -f $f ] && do_script $f
	   done
	fi
    done
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
do_script() {

    # execute scripts and save their output in log files
    # cfengine, shell, perl and expect scripts are known types
    local shelldebug file filetype name

    file=$1

    # may be remove some day
    case $file in
	*~) [ X$debug = X1 ] && echo "Skipping backup file $file";   return ;;
	*.dpkg-old)  [ X$debug = X1 ] && echo "Skipping file $file"; return ;;
	*.dpkg-new)  [ X$debug = X1 ] && echo "Skipping file $file"; return ;;
	*.dpkg-inst) [ X$debug = X1 ] && echo "Skipping file $file"; return ;;
	*.dpkg-tmp)  [ X$debug = X1 ] && echo "Skipping file $file"; return ;;
	*.dpkg-dist) [ X$debug = X1 ] && echo "Skipping file $file"; return ;;
    esac

    name=${file##*/}  # basename function
    filetype=$(file -bL $file)

    if [ "$fake" ]; then
	echo "Executing $filetype"
	return
    fi

    shelldebug=
    case $filetype in
	*"POSIX shell script"*|*"Bourne shell script"*)
	    [ X$debug = X1 ] && shelldebug="sh -x" ;;
	*"Bourne-Again shell script"*)
	    [ X$debug = X1 ] && shelldebug="bash -x" ;;
    esac

    case $filetype in

	*"POSIX shell script"*|*"executable shell script"*|*"/bash script"*|*"Bourne shell script"*|*"Bourne-Again shell script"*)
	    echo "Executing   $shelldebug shell: $file"
	    echo "=====   shell: $file   =====" >> $LOGDIR/shell.log 2>&1
	    $shelldebug ./$file >> $LOGDIR/shell.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/shell.log
	;;

	*"cf-agent"*)
	    echo "Executing cf-agent: $file"
	    echo "=====   cf-agent: $file   =====" >> $LOGDIR/cfagent.log 2>&1
	    ./$file $cfagentdebug -KI -D${cfclasses} >> $LOGDIR/cfagent.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/cfagent.log
	;;

	*"cfagent"*)
	    echo "Executing cfagent: $file"
	    echo "=====   cfagent: $file   =====" >> $LOGDIR/cfagent.log 2>&1
	    ./$file $cfagentdebug -qKI -D${cfclasses} >> $LOGDIR/cfagent.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/cfagent.log
	;;

	*"cfengine script"*)
	    echo "Executing cfengine: $file"
	    echo "=====   cfengine: $file   =====" >> $LOGDIR/cfengine.log 2>&1
	    ./$file -K -v -f $file -D${cfclasses} >> $LOGDIR/cfengine.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/cfengine.log
	;;

	*"perl"*"script"*)
	    echo "Executing    perl: $file"
	    echo "=====   perl: $file   =====" >> $LOGDIR/perl.log 2>&1
	    ./$file >> $LOGDIR/perl.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/perl.log
	;;

	*"expect script"*)
	    echo "Executing  expect: $file"
	    echo "=====   expect: $file   =====" >> $LOGDIR/expect.log 2>&1
	    ./$file >> $LOGDIR/expect.log 2>&1
	    savemaxstatus $?
	    fc_check_status $file $exitcode | tee -a $LOGDIR/expect.log
	;;

	*) echo "File $file has unsupported type $filetype." ;;
    esac
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
usage() {

    local ex
    ex=$1
    cat <<-EOF
        fai-do-scripts Copyright (C) 2003-2010 Thomas Lange
        Read the manual page fai-do-scripts(1) for more information.

        Usage: fai-do-scripts [OPTION] DIRECTORY

EOF
    exit $ex
}
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 # main program

while getopts "nhL:" opt ; do
    case "$opt" in
	h) usage 0 ;;
        L) LOGDIR=$OPTARG; export LOGDIR ;;
	n) fake=1 ;;
    esac
done
shift $(($OPTIND - 1))
[ -z "$1" ] || [ -n "$2" ] && usage 1

if [ "x$classes" = "x" ]; then
    echo "No classes are defined."
    exit 9
fi

[ X$debug = X1 ] && cfagentdebug=-v

call_conf $1
# move error number from child scripts to 100+x if any error happened
[ $maxstatus -gt 0 ] && maxstatus=$((100+$maxstatus))
exit $maxstatus