mirror of
https://github.com/ceph/ceph
synced 2024-12-22 19:34:30 +00:00
334 lines
11 KiB
Python
334 lines
11 KiB
Python
"""
|
|
Qemu task
|
|
"""
|
|
from cStringIO import StringIO
|
|
|
|
import contextlib
|
|
import logging
|
|
import os
|
|
|
|
from teuthology import misc as teuthology
|
|
from teuthology import contextutil
|
|
from tasks import rbd
|
|
from teuthology.orchestra import run
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
DEFAULT_NUM_RBD = 1
|
|
DEFAULT_IMAGE_URL = 'http://ceph.com/qa/ubuntu-12.04.qcow2'
|
|
DEFAULT_MEM = 4096 # in megabytes
|
|
|
|
@contextlib.contextmanager
|
|
def create_dirs(ctx, config):
|
|
"""
|
|
Handle directory creation and cleanup
|
|
"""
|
|
testdir = teuthology.get_testdir(ctx)
|
|
for client, client_config in config.iteritems():
|
|
assert 'test' in client_config, 'You must specify a test to run'
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(
|
|
args=[
|
|
'install', '-d', '-m0755', '--',
|
|
'{tdir}/qemu'.format(tdir=testdir),
|
|
'{tdir}/archive/qemu'.format(tdir=testdir),
|
|
]
|
|
)
|
|
try:
|
|
yield
|
|
finally:
|
|
for client, client_config in config.iteritems():
|
|
assert 'test' in client_config, 'You must specify a test to run'
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(
|
|
args=[
|
|
'rmdir', '{tdir}/qemu'.format(tdir=testdir), run.Raw('||'), 'true',
|
|
]
|
|
)
|
|
|
|
@contextlib.contextmanager
|
|
def generate_iso(ctx, config):
|
|
"""Execute system commands to generate iso"""
|
|
log.info('generating iso...')
|
|
testdir = teuthology.get_testdir(ctx)
|
|
for client, client_config in config.iteritems():
|
|
assert 'test' in client_config, 'You must specify a test to run'
|
|
src_dir = os.path.dirname(__file__)
|
|
userdata_path = os.path.join(testdir, 'qemu', 'userdata.' + client)
|
|
metadata_path = os.path.join(testdir, 'qemu', 'metadata.' + client)
|
|
|
|
with file(os.path.join(src_dir, 'userdata_setup.yaml'), 'rb') as f:
|
|
test_setup = ''.join(f.readlines())
|
|
|
|
with file(os.path.join(src_dir, 'userdata_teardown.yaml'), 'rb') as f:
|
|
test_teardown = ''.join(f.readlines())
|
|
|
|
user_data = test_setup
|
|
if client_config.get('type', 'filesystem') == 'filesystem':
|
|
for i in xrange(0, client_config.get('num_rbd', DEFAULT_NUM_RBD)):
|
|
dev_letter = chr(ord('b') + i)
|
|
user_data += """
|
|
- |
|
|
#!/bin/bash
|
|
mkdir /mnt/test_{dev_letter}
|
|
mkfs -t xfs /dev/vd{dev_letter}
|
|
mount -t xfs /dev/vd{dev_letter} /mnt/test_{dev_letter}
|
|
""".format(dev_letter=dev_letter)
|
|
|
|
# this may change later to pass the directories as args to the
|
|
# script or something. xfstests needs that.
|
|
user_data += """
|
|
- |
|
|
#!/bin/bash
|
|
test -d /mnt/test_b && cd /mnt/test_b
|
|
/mnt/cdrom/test.sh > /mnt/log/test.log 2>&1 && touch /mnt/log/success
|
|
""" + test_teardown
|
|
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
teuthology.write_file(remote, userdata_path, StringIO(user_data))
|
|
|
|
with file(os.path.join(src_dir, 'metadata.yaml'), 'rb') as f:
|
|
teuthology.write_file(remote, metadata_path, f)
|
|
|
|
test_file = '{tdir}/qemu/{client}.test.sh'.format(tdir=testdir, client=client)
|
|
remote.run(
|
|
args=[
|
|
'wget', '-nv', '-O', test_file,
|
|
client_config['test'],
|
|
run.Raw('&&'),
|
|
'chmod', '755', test_file,
|
|
],
|
|
)
|
|
remote.run(
|
|
args=[
|
|
'genisoimage', '-quiet', '-input-charset', 'utf-8',
|
|
'-volid', 'cidata', '-joliet', '-rock',
|
|
'-o', '{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
|
|
'-graft-points',
|
|
'user-data={userdata}'.format(userdata=userdata_path),
|
|
'meta-data={metadata}'.format(metadata=metadata_path),
|
|
'test.sh={file}'.format(file=test_file),
|
|
],
|
|
)
|
|
try:
|
|
yield
|
|
finally:
|
|
for client in config.iterkeys():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(
|
|
args=[
|
|
'rm', '-f',
|
|
'{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
|
|
os.path.join(testdir, 'qemu', 'userdata.' + client),
|
|
os.path.join(testdir, 'qemu', 'metadata.' + client),
|
|
'{tdir}/qemu/{client}.test.sh'.format(tdir=testdir, client=client),
|
|
],
|
|
)
|
|
|
|
@contextlib.contextmanager
|
|
def download_image(ctx, config):
|
|
"""Downland base image, remove image file when done"""
|
|
log.info('downloading base image')
|
|
testdir = teuthology.get_testdir(ctx)
|
|
for client, client_config in config.iteritems():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
base_file = '{tdir}/qemu/base.{client}.qcow2'.format(tdir=testdir, client=client)
|
|
remote.run(
|
|
args=[
|
|
'wget', '-nv', '-O', base_file, DEFAULT_IMAGE_URL,
|
|
]
|
|
)
|
|
try:
|
|
yield
|
|
finally:
|
|
log.debug('cleaning up base image files')
|
|
for client in config.iterkeys():
|
|
base_file = '{tdir}/qemu/base.{client}.qcow2'.format(
|
|
tdir=testdir,
|
|
client=client,
|
|
)
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(
|
|
args=[
|
|
'rm', '-f', base_file,
|
|
],
|
|
)
|
|
|
|
@contextlib.contextmanager
|
|
def run_qemu(ctx, config):
|
|
"""Setup kvm environment and start qemu"""
|
|
procs = []
|
|
testdir = teuthology.get_testdir(ctx)
|
|
for client, client_config in config.iteritems():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
log_dir = '{tdir}/archive/qemu/{client}'.format(tdir=testdir, client=client)
|
|
remote.run(
|
|
args=[
|
|
'mkdir', log_dir, run.Raw('&&'),
|
|
'sudo', 'modprobe', 'kvm',
|
|
]
|
|
)
|
|
|
|
base_file = '{tdir}/qemu/base.{client}.qcow2'.format(
|
|
tdir=testdir,
|
|
client=client
|
|
)
|
|
qemu_cmd = 'qemu-system-x86_64'
|
|
if remote.os.package_type == "rpm":
|
|
qemu_cmd = "/usr/libexec/qemu-kvm"
|
|
args=[
|
|
'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'daemon-helper',
|
|
'term',
|
|
qemu_cmd, '-enable-kvm', '-nographic',
|
|
'-m', str(client_config.get('memory', DEFAULT_MEM)),
|
|
# base OS device
|
|
'-drive',
|
|
'file={base},format=qcow2,if=virtio'.format(base=base_file),
|
|
# cd holding metadata for cloud-init
|
|
'-cdrom', '{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
|
|
# virtio 9p fs for logging
|
|
'-fsdev',
|
|
'local,id=log,path={log},security_model=none'.format(log=log_dir),
|
|
'-device',
|
|
'virtio-9p-pci,fsdev=log,mount_tag=test_log',
|
|
]
|
|
|
|
cachemode = 'none'
|
|
ceph_config = ctx.ceph.conf.get('global', {})
|
|
ceph_config.update(ctx.ceph.conf.get('client', {}))
|
|
ceph_config.update(ctx.ceph.conf.get(client, {}))
|
|
if ceph_config.get('rbd cache'):
|
|
if ceph_config.get('rbd cache max dirty', 1) > 0:
|
|
cachemode = 'writeback'
|
|
else:
|
|
cachemode = 'writethrough'
|
|
|
|
for i in xrange(client_config.get('num_rbd', DEFAULT_NUM_RBD)):
|
|
args.extend([
|
|
'-drive',
|
|
'file=rbd:rbd/{img}:id={id},format=raw,if=virtio,cache={cachemode}'.format(
|
|
img='{client}.{num}'.format(client=client, num=i),
|
|
id=client[len('client.'):],
|
|
cachemode=cachemode,
|
|
),
|
|
])
|
|
|
|
log.info('starting qemu...')
|
|
procs.append(
|
|
remote.run(
|
|
args=args,
|
|
logger=log.getChild(client),
|
|
stdin=run.PIPE,
|
|
wait=False,
|
|
)
|
|
)
|
|
|
|
try:
|
|
yield
|
|
finally:
|
|
log.info('waiting for qemu tests to finish...')
|
|
run.wait(procs)
|
|
|
|
log.debug('checking that qemu tests succeeded...')
|
|
for client in config.iterkeys():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(
|
|
args=[
|
|
'test', '-f',
|
|
'{tdir}/archive/qemu/{client}/success'.format(
|
|
tdir=testdir,
|
|
client=client
|
|
),
|
|
],
|
|
)
|
|
|
|
@contextlib.contextmanager
|
|
def task(ctx, config):
|
|
"""
|
|
Run a test inside of QEMU on top of rbd. Only one test
|
|
is supported per client.
|
|
|
|
For example, you can specify which clients to run on::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://ceph.com/qa/test.sh
|
|
client.1:
|
|
test: http://ceph.com/qa/test2.sh
|
|
|
|
Or use the same settings on all clients:
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
all:
|
|
test: http://ceph.com/qa/test.sh
|
|
|
|
For tests that don't need a filesystem, set type to block::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://ceph.com/qa/test.sh
|
|
type: block
|
|
|
|
The test should be configured to run on /dev/vdb and later
|
|
devices.
|
|
|
|
If you want to run a test that uses more than one rbd image,
|
|
specify how many images to use::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://ceph.com/qa/test.sh
|
|
type: block
|
|
num_rbd: 2
|
|
|
|
You can set the amount of memory the VM has (default is 1024 MB)::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://ceph.com/qa/test.sh
|
|
memory: 512 # megabytes
|
|
"""
|
|
assert isinstance(config, dict), \
|
|
"task qemu only supports a dictionary for configuration"
|
|
|
|
config = teuthology.replace_all_with_clients(ctx.cluster, config)
|
|
|
|
managers = []
|
|
for client, client_config in config.iteritems():
|
|
num_rbd = client_config.get('num_rbd', 1)
|
|
assert num_rbd > 0, 'at least one rbd device must be used'
|
|
for i in xrange(num_rbd):
|
|
create_config = {
|
|
client: {
|
|
'image_name':
|
|
'{client}.{num}'.format(client=client, num=i),
|
|
}
|
|
}
|
|
managers.append(
|
|
lambda create_config=create_config:
|
|
rbd.create_image(ctx=ctx, config=create_config)
|
|
)
|
|
|
|
managers.extend([
|
|
lambda: create_dirs(ctx=ctx, config=config),
|
|
lambda: generate_iso(ctx=ctx, config=config),
|
|
lambda: download_image(ctx=ctx, config=config),
|
|
lambda: run_qemu(ctx=ctx, config=config),
|
|
])
|
|
|
|
with contextutil.nested(*managers):
|
|
yield
|