# -*-Shell-script-*-
-# $Id$
-# $URL$
-#
# Common functions for PLC startup/shutdown scripts
#
# Mark Huang <mlhuang@cs.princeton.edu>
ERRORS=0
# Count the exit status of the last command
-check ()
-{
+function check () {
ERRORS=$(($ERRORS+$?))
}
# Print status header
-dialog ()
-{
+function dialog () {
echo -n "PLC: $*: " >&3
}
# Print result
-result ()
-{
+function result () {
if [ $ERRORS -eq 0 ] ; then
success "$*" >&3
else
}
# Start up a program with a plc_ prefix
-plc_daemon ()
-{
+function plc_daemon () {
base=${1##*/}
# See if it's already running. Look *only* at the pid file.
}
# Print IP address of hostname if resolvable
-gethostbyname ()
-{
+function gethostbyname () {
python -c 'import socket; import sys; print socket.gethostbyname(sys.argv[1])' $1 2>/dev/null
}
# Forcefully make a symlink
-symlink ()
-{
+function symlink () {
mkdir -p $(dirname $2)
rm -f $2
ln -s $1 $2
}
# Argument(s) or stdin to lowercase stdout
-lower ()
-{
+function lower () {
if [ ${#*} -ge 1 ] ; then
tr A-Z a-z <<<$*
else
}
# Argument(s) or stdin to uppercase stdout
-upper ()
-{
+function upper () {
if [ ${#*} -ge 1 ] ; then
tr a-z A-Z <<<$*
else
fi
}
+# Regenerate configuration files
+function plc_reload () {
+ force=$1
+
+ # Regenerate the main configuration file from default values
+ # overlaid with site-specific and current values.
+ # Thierry -- 2007-07-05 : values in plc_config.xml are *not* taken into account here
+ files=(
+ /etc/planetlab/default_config.xml
+ /etc/planetlab/configs/site.xml
+ )
+
+ for file in "${files[@]}" ; do
+ if [ -n "$force" -o $file -nt /etc/planetlab/plc_config.xml ] ; then
+ tmp=$(mktemp /tmp/plc_config.xml.XXXXXX)
+ plc-config --xml "${files[@]}" >$tmp
+ if [ $? -eq 0 ] ; then
+ mv $tmp /etc/planetlab/plc_config.xml
+ chmod 444 /etc/planetlab/plc_config.xml
+ else
+ echo "PLC: Warning: Invalid configuration file(s) detected"
+ rm -f $tmp
+ fi
+ break
+ fi
+ done
+
+ # Convert configuration to various formats
+ if [ -n "$force" -o /etc/planetlab/plc_config.xml -nt /etc/planetlab/plc_config ] ; then
+ plc-config --shell >/etc/planetlab/plc_config
+ fi
+ if [ -n "$force" -o /etc/planetlab/plc_config.xml -nt /etc/planetlab/plc_config.py ] ; then
+ plc-config --python >/etc/planetlab/plc_config.py
+ fi
+ if [ -n "$force" -o /etc/planetlab/plc_config.xml -nt /etc/planetlab/php/plc_config.php ] ; then
+ mkdir -p /etc/planetlab/php
+ plc-config --php >/etc/planetlab/php/plc_config.php
+ fi
+}
+
# Make copies of stdout and stderr. The plc initscript redirects
# stdout and stderr to a logfile if -v is not specified.
[ ! -e /proc/self/fd/3 ] && exec 3>&1