From 86867006afb7492877c4ccace4f7813bb61868d8 Mon Sep 17 00:00:00 2001 From: "stekloff@elm3b216.beaverton.ibm.com" Date: Fri, 9 Dec 2005 11:04:55 +0000 Subject: [PATCH] Add initial VMX support to xm-test: 1) Added script create_disk_image to make full virt image 2) Changed XenDomain.py to build separate XmTestDomain object for vmx guests (this structure will need to be cleaned up) 3) Changed ramdisk Makefile.am to create disk.img if vmx configured Signed-off-by: Daniel Stekloff --- tools/xm-test/configure.ac | 3 +- tools/xm-test/lib/XmTestLib/XenDomain.py | 147 +++++--- tools/xm-test/lib/XmTestLib/config.py.in | 2 +- tools/xm-test/ramdisk/Makefile.am | 11 + tools/xm-test/ramdisk/bin/create_disk_image | 317 ++++++++++++++++++ .../block-list/04_block-list_nodb_pos.py | 2 +- 6 files changed, 437 insertions(+), 45 deletions(-) create mode 100644 tools/xm-test/ramdisk/bin/create_disk_image diff --git a/tools/xm-test/configure.ac b/tools/xm-test/configure.ac index dae815a669..4a606e611c 100644 --- a/tools/xm-test/configure.ac +++ b/tools/xm-test/configure.ac @@ -15,13 +15,14 @@ RD_PATH=../../ramdisk TENV="PYTHONPATH=$PYTHONPATH:$TESTLIB:/usr/lib/python RD_PATH=$RD_PATH" AC_ARG_ENABLE(vmx-support, - [[ --enable-vmx-support use block devices instead of ramdisks]], + [[ --enable-vmx-support enable hardware virtual machine assist]], [ ENABLE_VMX=True ],[ ENABLE_VMX=False ]) +AM_CONDITIONAL(VMX, test x$ENABLE_VMX = xTrue) AC_SUBST(ENABLE_VMX) AC_SUBST(TENV) diff --git a/tools/xm-test/lib/XmTestLib/XenDomain.py b/tools/xm-test/lib/XmTestLib/XenDomain.py index 0b07ae9835..4ea9c66f93 100644 --- a/tools/xm-test/lib/XmTestLib/XenDomain.py +++ b/tools/xm-test/lib/XmTestLib/XenDomain.py @@ -23,13 +23,18 @@ import commands import os import re import time -import random from Xm import * from Test import * from config import * -BLOCK_ROOT_DEV = "hdd1" +BLOCK_ROOT_DEV = "hda" + +def XmTestDomain(name=None, extraOpts=None, config="/dev/null"): + if ENABLE_VMX_SUPPORT: + return XmTestVmxDomain(name, extraOpts, config) + else: + return XmTestPvDomain(name, extraOpts, config) def getDefaultKernel(): dom0Ver = commands.getoutput("uname -r"); @@ -77,7 +82,21 @@ class XenDomain: c += " %s=%s" % (k, self.opts[k]) return c - + + def getUniqueName(self): + # + # We avoid multiple duplicate names + # here because they stick around in xend + # too long + # + unixtime = int(time.time()) + test_name = sys.argv[0] + test_name = re.sub("\.test", "", test_name) + test_name = re.sub("[\/\.]", "", test_name) + name = "%s-%i" % (test_name, unixtime) + + return name + def start(self): if self.configVals: @@ -135,6 +154,18 @@ class XenDomain: self.configVals["disk"].append("%s,%s,%s" % (pdev,vdev,acc)) + def configAddVif(self, type, mac, bridge): + if not self.configVals: + self.configVals = {} + + if not self.configVals.has_key("vif"): + self.configVals["vif"] = [] + + if mac: + self.configVals["vif"].append("%s,%s,%s" % (type,mac,bridge)) + else: + self.configVals["vif"].append("%s,%s" % (type,bridge)) + def __writeConfig(self, configFileName): conf = file(configFileName, "w") @@ -144,46 +175,84 @@ class XenDomain: conf.close() +class XmTestVmxDomain(XenDomain): -class XmTestDomain(XenDomain): + def __prepareBlockRoot(self, rdpath): + image = os.path.abspath(rdpath + "/disk.img") + self.configAddDisk("file:%s" % image, "ioemu:%s" % BLOCK_ROOT_DEV, "w") - def __getUniqueName(self): - # - # We avoid multiple duplicate names - # here because they stick around in xend - # too long - # - unixtime = int(time.time()) - test_name = sys.argv[0] - test_name = re.sub("\.test", "", test_name) - test_name = re.sub("[\/\.]", "", test_name) - name = "%s-%i" % (test_name, unixtime) + def __prepareVif(self): + self.configAddVif("type=ioemu", None, "bridge=xenbr0") - return name + def __prepareDeviceModel(self): + arch = os.uname()[4] + if re.search('64', arch): + self.configSetVar("device_model", "\"/usr/lib64/xen/bin/qemu-dm\"") + else: + self.configSetVar("device_model", "\"/usr/lib/xen/bin/qemu-dm\"") - def __randomize(self): - # Random amount of memory between min and free_memory/2 - freeMem = int(getInfo("free_memory")) - self.defaults["memory"] = random.randint(self.minSafeMem(), - freeMem/2) - - self.defaults["vcpus"] = random.randint(1, 16) + def __init__(self, name=None, extraOpts=None, config="/dev/null"): + + rdpath = os.environ.get("RD_PATH") + if not rdpath: + rdpath = "../../ramdisk" - self.defaults["nics"] = random.randint(0, 8) + self.opts = {} + self.configVals = {} - if verbose: - print "*** Defaults after randomization:" - for k in self.defaults.keys(): - print "*** %10s : %s" % (k, self.defaults[k]) + # Defaults + self.defaults = {"memory" : 64, + "vcpus" : 1, + "nics" : 0, + "kernel" : "/usr/lib/xen/boot/vmxloader", + "builder" : "\'vmx\'", + "name" : name or self.getUniqueName() + } - def __prepareBlockRoot(self, rdpath): - image = os.path.abspath(rdpath + "/initrd.img") - self.configAddDisk("file:%s" % image, BLOCK_ROOT_DEV, "w") - self.defaults["root"] = "/dev/%s" % BLOCK_ROOT_DEV - del self.defaults["ramdisk"] + self.domID = None; + self.config = config; + + self.__prepareBlockRoot(rdpath) + #self.__prepareVif() + self.__prepareDeviceModel() + #self.configSetVar("boot","\'c\'") + self.configSetVar("sdl","0") + self.configSetVar("vnc","0") + self.configSetVar("vncviewer","0") + self.configSetVar("nographic","1") + self.configSetVar("serial","\'pty\'") - def __init__(self, name=None, extraOpts=None, config="/dev/null", - random=False): + # Copy over defaults + for key in self.defaults.keys(): + self.opts[key] = self.defaults[key] + + # Merge in extra options + if extraOpts: + for key in extraOpts.keys(): + self.opts[key] = extraOpts[key] + + def start(self): + """We know how about how long everyone will need to wait + for our disk image to come up, so we do it here as a convenience""" + +# for i in range(0,5): +# status, output = traceCommand("xm list") + + XenDomain.start(self) + waitForBoot() + + def startNow(self): + XenDomain.start(self) + + def getMem(self): + return int(self.opts["memory"]) + + def minSafeMem(self): + return 16 + +class XmTestPvDomain(XenDomain): + + def __init__(self, name=None, extraOpts=None, config="/dev/null"): rdpath = os.environ.get("RD_PATH") if not rdpath: @@ -198,19 +267,13 @@ class XmTestDomain(XenDomain): "nics" : 0, "kernel" : getDefaultKernel(), "root" : "/dev/ram0", - "name" : name or self.__getUniqueName(), + "name" : name or self.getUniqueName(), "ramdisk" : rdpath + "/initrd.img" } self.domID = None; self.config = config; - if random: - self.__randomize() - - if USE_BLKDEV_FOR_ROOT: - self.__prepareBlockRoot(rdpath) - # Copy over defaults for key in self.defaults.keys(): self.opts[key] = self.defaults[key] diff --git a/tools/xm-test/lib/XmTestLib/config.py.in b/tools/xm-test/lib/XmTestLib/config.py.in index fde2fa472c..86e7cf7a2c 100644 --- a/tools/xm-test/lib/XmTestLib/config.py.in +++ b/tools/xm-test/lib/XmTestLib/config.py.in @@ -1,4 +1,4 @@ #!/usr/bin/python -USE_BLKDEV_FOR_ROOT = @ENABLE_VMX@ +ENABLE_VMX_SUPPORT = @ENABLE_VMX@ diff --git a/tools/xm-test/ramdisk/Makefile.am b/tools/xm-test/ramdisk/Makefile.am index d83aee56ca..75811dce78 100644 --- a/tools/xm-test/ramdisk/Makefile.am +++ b/tools/xm-test/ramdisk/Makefile.am @@ -9,10 +9,16 @@ BR_IMG = $(BR_SRC)/rootfs.i386.ext2 BR_ROOT = build_i386/root +VMX_SCRIPT = bin/create_disk_image + XMTEST_MAJ_VER = $(shell echo @PACKAGE_VERSION@ | perl -pe 's/(\d+)\.(\d+)\.\d+/\1.\2/') XMTEST_VER_IMG = initrd-$(XMTEST_MAJ_VER).img +if VMX +all: initrd.img disk.img +else all: initrd.img +endif $(BR_TAR): wget $(BR_URL) @@ -37,6 +43,10 @@ $(XMTEST_VER_IMG): $(BR_IMG) initrd.img: $(XMTEST_VER_IMG) ln -sf $(XMTEST_VER_IMG) initrd.img +disk.img: $(XMTEST_VER_IMG) + chmod a+x $(VMX_SCRIPT) + $(VMX_SCRIPT) -r $(XMTEST_VER_IMG) -i disk.img + existing: @[ -f $(XMTEST_VER_IMG) ] && ln -sf $(XMTEST_VER_IMG) initrd.img || \ echo Error, $(XMTEST_VER_IMG) not found @@ -49,3 +59,4 @@ am_config_clean-local: rm -f initrd.img rm -f $(BR_TAR) rm -Rf patches make.d + rm -f disk.img diff --git a/tools/xm-test/ramdisk/bin/create_disk_image b/tools/xm-test/ramdisk/bin/create_disk_image new file mode 100644 index 0000000000..0d6ba67791 --- /dev/null +++ b/tools/xm-test/ramdisk/bin/create_disk_image @@ -0,0 +1,317 @@ +#!/bin/bash +############################################################################### +## +## Copyright (C) International Business Machines Corp., 2005 +## Author(s): Daniel Stekloff +## +## This program is free software; you can redistribute it and/or modify +## it under the terms of the GNU General Public License as published by +## the Free Software Foundation; under version 2 of the License. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +## +############################################################################### +function cleanup() +{ + if [ "$LOOPD" ]; then + losetup -d $LOOPD + fi + if [ "$LOOPP" ]; then + losetup -d $LOOPP + fi + if [ -e "$IMAGE" ]; then + rm -f "$IMAGE" + fi + if [ -e "$LCONF" ]; then + rm -f "$LCONF" + fi +} + +function die() +{ + cleanup + echo "$@" + exit 1 +} + +function usage() +{ + cat << EOU +Command creates a vmx guest disk image for xm-test. + +Usage: $0 [OPTIONS] + +OPTIONS: + -i|--image Image name to create. + -k|--kernel Kernel name to use for disk image. + -r|--rootfs Rootfs image to use for disk image. + +EOU +} + +function check_dependencies() +{ + which lilo > /dev/null 2>&1 + if [ $? -ne 0 ]; then + die "$PROGNAME requires lilo version 22.7+ to be installed." + fi + local pass="$( lilo -V | cut -f3 -d " " | awk -F "." ' + { + if ($1 >= 22 && $2 >= 7) + print "true" + else + print "false" + }')" + if [ $pass = "false" ]; then + die "$PROGNAME requires lilo version 22.7+ to be installed." + fi +} + +function initialize_globals() +{ + PROGNAME="create_disk_image" + IMAGE="hvm.img" + KERNEL="" + LCONF="lilo.conf" + LOOPD="" # Loop device for entire disk image + LOOPP="" # Loop device for ext partition + ROOTFS="" + MNT="/tmp/$PROGNAME-mnt" + SIZE=8192 + SECTORS=32 + HEADS=8 + CYLINDERS=$(($SIZE/$SECTORS/$HEADS*2)) + BSIZE=$(($SIZE-$SECTORS)) + OFFSET=$(($SECTORS*512)) +} + +function get_options() +{ + while [ $# -gt 0 ]; do + case $1 in + -i|--image) + shift + IMAGE=${1} + shift + ;; + -k|--kernel) + shift + KERNEL=${1} + shift + ;; + -r|--rootfs) + shift + ROOTFS=${1} + shift + ;; + *) + usage + exit 1 + ;; + esac + done +} + +function get_loopd() +{ + local loop + + for i in `seq 0 7`; do + losetup /dev/loop$i > /dev/null 2>&1 + if [ $? -ne 0 ]; then + # found one + echo $i + return 0 + fi + done + die "No free loopback devices." +} + +function losetup_image() +{ + local loop=$1 + shift + + # If offset, then associate with it + if [ $# -eq 1 ]; then + losetup -o $1 $loop $IMAGE + else + losetup $loop $IMAGE + fi + + if [ $? -ne 0 ]; then + die "Failed to losetup $IMAGE to $loop." + fi + + echo "Associated $IMAGE with $loop" +} + +function create_disk_image() +{ + dd bs=1024 count=$SIZE of=$IMAGE if=/dev/zero + + fdisk -b 512 -C $CYLINDERS -H $HEADS -S $SECTORS "$IMAGE" > /dev/null 2>&1 << EOF +n +p +1 +1 + +a +1 +w +EOF +} + +function makefs_image() +{ + mke2fs -N 24 -b 1024 $LOOPP $BSIZE + + if [ $? -ne 0 ]; then + die "mke2fs $LOOPP failed." + fi +} + +function dd_rootfs_to_image() +{ + if [ ! "$ROOTFS" ]; then + die "Must specify rootfs image to use." + fi + + dd if="$ROOTFS" of="$LOOPP" > /dev/null 2>&1 + if [ $? -ne 0 ]; then + die "Failed to dd $ROOTFS to $LOOPP." + fi +} + +function get_kernel() +{ + # look in /boot for an existing kernel + local -a kernels=( `ls /boot | grep vmlinuz` ) + local k + + for k in ${kernels[@]}; do + case "$k" in + *xen*) + continue + ;; + *) + KERNEL="/boot/$k" + echo "Using kernel $KERNEL" + break + ;; + esac + done +} + +function copy_kernel_to_image() +{ + if [ ! "$KERNEL" ]; then + get_kernel || die "Couldn't find a kernel to use." + fi + + mkdir "$MNT/boot" + + cp "$KERNEL" "$MNT/boot" +} + +function lilo_image() +{ + local kernel=`basename $KERNEL` + + ( + cat < "/$MNT/boot/$LCONF" +} + +function install_lilo() +{ + lilo -C "$MNT/boot/$LCONF" + if [ $? -ne 0 ]; then + die "Failed to install $MNT/boot/$LCONF." + fi +} + +function add_getty_to_inittab() +{ + local itab=$MNT/etc/inittab + + if [ -e "$itab" ]; then + echo "# Start getty on serial line" >> $itab + echo "S0:12345:respawn:/sbin/getty ttyS0" >> $itab + fi +} + + +# Main starts here +initialize_globals +check_dependencies + +get_options "$@" + +create_disk_image + +# Get the first free loop device +ldev=$(get_loopd) +LOOPD="/dev/loop$ldev" +losetup_image $LOOPD + +# Now associate where the partition will go +ldev=$(get_loopd) +LOOPP="/dev/loop$ldev" +losetup_image $LOOPP $OFFSET + +makefs_image + +dd_rootfs_to_image + +if [ -e "$MNT" ]; then + rm -Rf "$MNT" +fi + +mkdir "$MNT"; +if [ $? -ne 0 ]; then + die "Failed to create temporary mount point $MNT." +fi + +mount "$LOOPP" "$MNT"; +if [ $? -ne 0 ]; then + die "Failed to mount $LOOPP on $MNT." +fi + +copy_kernel_to_image +#add_getty_to_inittab + +lilo_image +install_lilo + +umount "$MNT" +rm -Rf "$MNT"; + +losetup -d $LOOPD +losetup -d $LOOPP + +exit 0 diff --git a/tools/xm-test/tests/block-list/04_block-list_nodb_pos.py b/tools/xm-test/tests/block-list/04_block-list_nodb_pos.py index f168a346ba..4c2ce2a9ef 100644 --- a/tools/xm-test/tests/block-list/04_block-list_nodb_pos.py +++ b/tools/xm-test/tests/block-list/04_block-list_nodb_pos.py @@ -21,7 +21,7 @@ status, output = traceCommand("xm block-list %s" % domain.getId()) if status != 0: FAIL("xm block-list returned bad status, expected 0, status is %i" % status) -if USE_BLKDEV_FOR_ROOT: +if ENABLE_VMX_SUPPORT: SKIP("Using block device for root, so this case does not apply") if output != "": -- 2.30.2