Js offline and global configuration

download_js.sh

@@ -0,0 +1,126 @@
+#!/bin/bash
+CONFFILE="/srv/www/htdocs/ganglia-web/conf_default.php"
+SAVEDIR='/srv/www/htdocs/ganglia-web'
+PHPCONFDIR='/etc/apache2/conf.d/'
+PHPCONFNAME='conf.php'
+TARBALL='/tmp/ajax_ganglia.tar.gz'
+RESCRIPT='/tmp/download_js.sh'
+SUFFIX='ajax_libs'
+TMPDIR='/tmp'
+
+function get_conf() {
+declare -f -F conf_stor > /dev/null
+if [ $? -eq 0 ] ; then
+	conf_stor
+else
+	cat ${CONFFILE}
+fi
+}
+
+function usage() {
+cat <<EOF
+	$0 parses ${CONFFILE}
+	for external java script libraries and downloads or recreate the script
+	so that it can download them on another computer.
+	Options are:
+	-h:	prints this help
+	-d:	download the libraries to 
+		$SAVEDIR 
+		and modify/write
+		${PHPCONFDIR}/${PHPCONFNAME}
+		so that downloaded libraries are preferred
+	-t:	download the libraries and store them in 
+		$TARBALL
+	-r:	recreate this script by parsing 
+		$CONFFILE 
+		and store the download locations of the java script libraries
+		direclty in the recreated script, which
+		will stored in 
+		$RESCRIPT
+EOF
+}
+tarball=0
+recreate=0
+download_libs=0
+usage_set=1
+
+while getopts "h?trd" opt; do 
+	case "$opt" in
+	h|\?)
+		usage_set=1
+		;;
+	t)
+		usage_set=0
+		tarball=1
+		recreate=0
+		;;
+	r)
+		usage_set=0
+		recreate=1
+		;;
+	d)
+		usage_set=0
+		download_libs=1
+		recreate=0
+		;;
+	esac
+done
+
+if [ $usage_set -eq 1 ] ; then
+	usage
+	exit 0
+fi
+
+if [ $recreate -eq 1 ] ; then
+	declare -f -F conf_stor > /dev/null
+	if [ $? -eq 0 ] ; then
+		echo "This script was recreated so could not recreate it."
+		exit 1
+	fi
+	cat << EOF > $RESCRIPT
+#!/bin/bash
+# this file was recreated on $(uname -n) at $(date)
+function conf_stor() {
+cat <<ENDCONF
+EOF
+	grep 'https://cdnjs'  $CONFFILE | sed 's@\$@\\\$@' >> $RESCRIPT
+	cat << EOF >> $RESCRIPT
+
+ENDCONF
+}
+EOF
+	cat $0 | sed -e 's@#!/bin/bash@@' \
+	-e 's@usage_set=1@usage_set=0@' \
+	-e 's@tarball=0@tarball=1@' >> $RESCRIPT
+	echo "wrote $RESCRIPT"
+	exit 0
+fi
+
+
+which curl &> /dev/null || echo "need curl to download ajax libraries" 
+which curl &> /dev/null || exit 1
+
+if [ $tarball -eq 1 ] ; then
+	test -d ${TMPDIR}/${SUFFIX} || mkdir -vp ${TMPDIR}/${SUFFIX}
+	PHPCONFFILELOC=${TMPDIR}/${SUFFIX}/${PHPCONFNAME}
+	cd ${TMPDIR}
+else
+	test -d ${SAVEDIR}/${SUFFIX} || mkdir -vp ${SAVEDIR}/${SUFFIX}
+	PHPCONFFILELOC=${PHPCONFDIR}/${PHPCONFNAME}
+	cd ${SAVEDIR}
+fi
+
+for lib_line in $(get_conf | grep -e '^$conf.* = \"https://cdnjs' | tr ' ' '@') ; do 
+        conf_line=$(echo $lib_line | cut -f 1 -d '@')
+        url=$(echo $lib_line | cut -f 3 -d '@' |tr -d '"' | tr -d ';')
+	file_name=$(basename $url)
+	echo -n "getting ${file_name}: " 
+	curl -# $url -o ${SUFFIX}/$file_name
+	echo "$conf_line = \"${SAVEDIR}/${SUFFIX}/${file_name}\";" >> ${PHPCONFFILELOC}
+done
+if [ $tarball -eq 1 ] ; then
+	tar czf ${TARBALL} ${SUFFIX}
+	echo "created ${TARBALL} , which also contains ${PHPCONFNAME}"
+fi
+cd - > /dev/null
+

eval_conf.php

@@ -12,6 +12,11 @@
 require_once 'lib/GangliaAcl.php';
 require_once 'lib/GangliaAuth.php';
 
+# Include system-wide overrides if they exist.
+if( file_exists( "/etc/ganglia/conf.d/conf.php" ) ) {
+  include_once "/etc/ganglia/conf.d/conf.php";
+}
+
 # Include user-defined overrides if they exist.
 if( file_exists( $base_dir . "/conf.php" ) ) {
   include_once $base_dir . "/conf.php";