Sync config file generator from oslo
This commit syncs in the sample config generator from Oslo-incubator.
This will enable the sample file to be auto generated instead of
managing it by hand which is prone to errors.
Partially Implements: blueprint config-cleanup
Change-Id: Ic2553da72de5978b5d721d2ddb4c68ec1bf5005d
diff --git a/tools/config/generate_sample.sh b/tools/config/generate_sample.sh
new file mode 100755
index 0000000..b86e0c2
--- /dev/null
+++ b/tools/config/generate_sample.sh
@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+
+print_hint() {
+ echo "Try \`${0##*/} --help' for more information." >&2
+}
+
+PARSED_OPTIONS=$(getopt -n "${0##*/}" -o hb:p:o: \
+ --long help,base-dir:,package-name:,output-dir: -- "$@")
+
+if [ $? != 0 ] ; then print_hint ; exit 1 ; fi
+
+eval set -- "$PARSED_OPTIONS"
+
+while true; do
+ case "$1" in
+ -h|--help)
+ echo "${0##*/} [options]"
+ echo ""
+ echo "options:"
+ echo "-h, --help show brief help"
+ echo "-b, --base-dir=DIR project base directory"
+ echo "-p, --package-name=NAME project package name"
+ echo "-o, --output-dir=DIR file output directory"
+ exit 0
+ ;;
+ -b|--base-dir)
+ shift
+ BASEDIR=`echo $1 | sed -e 's/\/*$//g'`
+ shift
+ ;;
+ -p|--package-name)
+ shift
+ PACKAGENAME=`echo $1`
+ shift
+ ;;
+ -o|--output-dir)
+ shift
+ OUTPUTDIR=`echo $1 | sed -e 's/\/*$//g'`
+ shift
+ ;;
+ --)
+ break
+ ;;
+ esac
+done
+
+BASEDIR=${BASEDIR:-`pwd`}
+if ! [ -d $BASEDIR ]
+then
+ echo "${0##*/}: missing project base directory" >&2 ; print_hint ; exit 1
+elif [[ $BASEDIR != /* ]]
+then
+ BASEDIR=$(cd "$BASEDIR" && pwd)
+fi
+
+PACKAGENAME=${PACKAGENAME:-${BASEDIR##*/}}
+TARGETDIR=$BASEDIR/$PACKAGENAME
+if ! [ -d $TARGETDIR ]
+then
+ echo "${0##*/}: invalid project package name" >&2 ; print_hint ; exit 1
+fi
+
+OUTPUTDIR=${OUTPUTDIR:-$BASEDIR/etc}
+# NOTE(bnemec): Some projects put their sample config in etc/,
+# some in etc/$PACKAGENAME/
+if [ -d $OUTPUTDIR/$PACKAGENAME ]
+then
+ OUTPUTDIR=$OUTPUTDIR/$PACKAGENAME
+elif ! [ -d $OUTPUTDIR ]
+then
+ echo "${0##*/}: cannot access \`$OUTPUTDIR': No such file or directory" >&2
+ exit 1
+fi
+
+BASEDIRESC=`echo $BASEDIR | sed -e 's/\//\\\\\//g'`
+find $TARGETDIR -type f -name "*.pyc" -delete
+FILES=$(find $TARGETDIR -type f -name "*.py" ! -path "*/tests/*" \
+ -exec grep -l "Opt(" {} + | sed -e "s/^$BASEDIRESC\///g" | sort -u)
+
+EXTRA_MODULES_FILE="`dirname $0`/oslo.config.generator.rc"
+if test -r "$EXTRA_MODULES_FILE"
+then
+ source "$EXTRA_MODULES_FILE"
+fi
+
+export EVENTLET_NO_GREENDNS=yes
+
+OS_VARS=$(set | sed -n '/^OS_/s/=[^=]*$//gp' | xargs)
+[ "$OS_VARS" ] && eval "unset \$OS_VARS"
+DEFAULT_MODULEPATH=tempest.openstack.common.config.generator
+MODULEPATH=${MODULEPATH:-$DEFAULT_MODULEPATH}
+OUTPUTFILE=$OUTPUTDIR/$PACKAGENAME.conf.sample
+python -m $MODULEPATH $FILES > $OUTPUTFILE