From 3e2715b21a51c10451e6275e649385f0a846b033 Mon Sep 17 00:00:00 2001 From: Vishvananda Ishaya Date: Mon, 25 Oct 2010 00:45:33 -0700 Subject: ISCSI Volume support * Rewrite of Volume code to make VolumeManager more generic * AoE vs. iscsi moved to driver layer * Added db support for target ids * Added code to re-export volumes on restart of VolumeManager * Includes a script to create /dev/iscsi volumes on remote hosts --- tools/iscsidev.sh | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100755 tools/iscsidev.sh (limited to 'tools') diff --git a/tools/iscsidev.sh b/tools/iscsidev.sh new file mode 100755 index 000000000..6f5b572df --- /dev/null +++ b/tools/iscsidev.sh @@ -0,0 +1,41 @@ +#!/bin/sh + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +# NOTE(vish): This script helps udev create common names for discovered iscsi +# volumes under /dev/iscsi. To use it, create /dev/iscsi and add +# a file to /etc/udev/rules.d like so: +# mkdir /dev/iscsi +# echo 'KERNEL=="sd*", BUS=="scsi", PROGRAM="/path/to/iscsidev.sh +# %b",SYMLINK+="iscsi/%c%n"' > /etc/udev/rules.d/55-openiscsi.rules + +BUS=${1} +HOST=${BUS%%:*} + +if [ ! -e /sys/class/iscsi_host ]; then + exit 1 +fi + +file="/sys/class/iscsi_host/host${HOST}/device/session*/iscsi_session*/session*/targetname" + +target_name=$(cat ${file}) + +if [ -z "${target_name}" ]; then + exit 1 +fi + +echo "${target_name##*:}" -- cgit From fcb0e910458a2fde904730d719011168a8d23f32 Mon Sep 17 00:00:00 2001 From: Vishvananda Ishaya Date: Mon, 25 Oct 2010 13:51:09 -0700 Subject: nova-debug, relaunch an instance with a serial console --- tools/nova-debug | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100755 tools/nova-debug (limited to 'tools') diff --git a/tools/nova-debug b/tools/nova-debug new file mode 100755 index 000000000..3ff68ca35 --- /dev/null +++ b/tools/nova-debug @@ -0,0 +1,92 @@ +#!/usr/bin/env bash +# vim: tabstop=4 shiftwidth=4 softtabstop=4 + +# Copyright 2010 United States Government as represented by the +# Administrator of the National Aeronautics and Space Administration. +# All Rights Reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +INSTANCES_PATH=${INSTANCES_PATH:-/var/lib/nova/instances} +if [ -z "$1" ]; then echo "specify an instance id to debug"; exit; fi + +if [ -n "$3" ]; then DEVICE=$3; fi + +CMD="all" +if [ -n "$2" ]; then CMD=$2; fi + +cd $INSTANCES_PATH/$1 + +if [ $CMD != "umount" ] && [ $CMD != "launch" ]; then +# destroy the instance +virsh destroy $1 + +# mount the filesystem +mkdir t +DEVICE=`losetup --show -f disk` +echo $DEVICE +kpartx -a $DEVICE +mount /dev/mapper/${DEVICE:4}p1 t + +fi +if [ $CMD != "mount" ] && [ $CMD != "umount" ]; then + +# make serial console listen on ttyS0 +cat >t/etc/init/ttyS0.conf < debug.xml +sed -i "s/.*<\/serial>/<\/serial>/g" debug.xml + +umount t + +virsh create debug.xml +virsh console $1 +virsh destroy $1 + +mount /dev/mapper/${DEVICE:4}p1 t + +# clear debug root password +chroot t passwd -l root + +# remove the serial console conf +rm -f t/etc/init/ttyS0.conf + +fi +if [ $CMD != "mount" ] && [ $CMD != "launch" ]; then + +# unmount the filesystem +umount t +kpartx -d $DEVICE +losetup -d $DEVICE +rmdir t + +# recreate the instance +virsh create libvirt.xml +fi -- cgit