Add uninstall script

Signed-off-by: Zane Bitter <zbitter@redhat.com>

diff --git a/tools/uninstall-heat b/tools/uninstall-heat
new file mode 100755 (executable)
index 0000000..3527ec8
--- /dev/null
+++ b/tools/uninstall-heat
@@ -0,0 +1,73 @@
+#!/bin/bash
+
+TOOLS_DIR=`dirname $0`
+if [ "$1" = "-y" ]; then
+    SKIP_ASK=y
+fi
+
+user_wants() {
+    if [ "$SKIP_ASK" = "y" ]; then return 0; fi
+
+    read -n 1 -p "$1 " cont
+    echo 1>&2
+    case $cont in
+        y|Y)
+            return 0
+            ;;
+        *)
+            return 1
+            ;;
+    esac
+}
+
+HEAT_PIDS=`pgrep 'heat-.+'`
+if [ -n "$HEAT_PIDS" ]; then
+    echo 'The following Heat processes are running:' 1>&2
+    ps $HEAT_PIDS 1>&2
+    if user_wants 'Kill them?'; then
+        sudo kill $HEAT_PIDS
+    fi
+    echo 1>&2
+fi
+
+if user_wants 'Drop Heat database tables?'; then
+    $TOOLS_DIR/heat-db-drop
+    echo 1>&2
+fi
+
+if user_wants 'Erase OpenStack installation?'; then
+    $TOOLS_DIR/openstack erase
+    echo 1>&2
+fi
+
+HEAT_EGGS=`find ${PYTHONHOME:-/usr/lib/python2.7}/site-packages/ -maxdepth 1 -type d -name 'heat-*.egg'`
+if [ -n "$HEAT_EGGS" ]; then
+    echo 'The following Heat installations were found:' 1>&2
+    echo "$HEAT_EGGS" 1>&2
+    if user_wants 'Delete them?'; then
+        sudo rm -rf $HEAT_EGGS
+    fi
+    echo 1>&2
+fi
+
+if user_wants 'Delete Heat binaries?'; then
+    BIN_PATH=/usr/bin
+    sudo rm -f $BIN_PATH/heat-db-setup
+    sudo rm -f $BIN_PATH/heat-metadata
+    sudo rm -f $BIN_PATH/heat-api
+    sudo rm -f $BIN_PATH/heat-engine
+    sudo rm -f $BIN_PATH/heat
+
+    echo 1>&2
+fi
+
+if user_wants 'Delete Heat configuration?'; then
+    sudo rm -rf /etc/heat
+    echo 1>&2
+fi
+
+if user_wants 'Delete Heat logs?'; then
+    sudo rm -rf /var/log/heat
+    echo 1>&2
+fi
+