""" Long running fio tests on rbd mapped devices for format/features provided in config Many fio parameters can be configured so that this task can be used along with thrash/power-cut tests and exercise IO on full disk for all format/features - This test should not be run on VM due to heavy use of resource """ import contextlib import json import logging import os import StringIO from teuthology.parallel import parallel from teuthology import misc as teuthology from tempfile import NamedTemporaryFile from teuthology.orchestra import run from teuthology.packaging import install_package, remove_package log = logging.getLogger(__name__) @contextlib.contextmanager def task(ctx, config): """ client.0: fio-io-size: 100g or 80% or 100m fio-version: 2.2.9 formats: [2] features: [[layering],[striping],[layering,exclusive-lock,object-map]] test-clone-io: 1 #remove this option to not run create rbd clone and not run io on clone io-engine: "sync or rbd or any io-engine" rw: randrw client.1: fio-io-size: 100g fio-version: 2.2.9 rw: read image-size:20480 or all: fio-io-size: 400g rw: randrw formats: [2] features: [[layering],[striping]] io-engine: libaio Create rbd image + device and exercise IO for format/features provided in config file Config can be per client or one config can be used for all clients, fio jobs are run in parallel for client provided """ if config.get('all'): client_config = config['all'] clients = ctx.cluster.only(teuthology.is_type('client')) rbd_test_dir = teuthology.get_testdir(ctx) + "/rbd_fio_test" for remote,role in clients.remotes.iteritems(): if 'client_config' in locals(): with parallel() as p: p.spawn(run_fio, remote, client_config, rbd_test_dir) else: for client_config in config: if client_config in role: with parallel() as p: p.spawn(run_fio, remote, config[client_config], rbd_test_dir) yield def get_ioengine_package_name(ioengine, remote): system_type = teuthology.get_system_type(remote) if ioengine == 'rbd': return 'librbd1-devel' if system_type == 'rpm' else 'librbd-dev' elif ioengine == 'libaio': return 'libaio-devel' if system_type == 'rpm' else 'libaio-dev' else: return None def run_rbd_map(remote, image, iodepth): iodepth = max(iodepth, 128) # RBD_QUEUE_DEPTH_DEFAULT out = StringIO.StringIO() remote.run(args=['sudo', 'rbd', 'map', '-o', 'queue_depth={}'.format(iodepth), image], stdout=out) dev = out.getvalue().rstrip('\n') teuthology.sudo_write_file( remote, '/sys/block/{}/queue/nr_requests'.format(os.path.basename(dev)), str(iodepth)) return dev def run_fio(remote, config, rbd_test_dir): """ create fio config file with options based on above config get the fio from github, generate binary, and use it to run on the generated fio config file """ fio_config=NamedTemporaryFile(prefix='fio_rbd_', dir='/tmp/', delete=False) fio_config.write('[global]\n') if config.get('io-engine'): ioengine=config['io-engine'] fio_config.write('ioengine={ioe}\n'.format(ioe=ioengine)) else: fio_config.write('ioengine=sync\n') if config.get('bs'): bs=config['bs'] fio_config.write('bs={bs}\n'.format(bs=bs)) else: fio_config.write('bs=4k\n') iodepth = config.get('io-depth', 2) fio_config.write('iodepth={iod}\n'.format(iod=iodepth)) if config.get('fio-io-size'): size=config['fio-io-size'] fio_config.write('size={size}\n'.format(size=size)) else: fio_config.write('size=100m\n') fio_config.write('time_based\n') if config.get('runtime'): runtime=config['runtime'] fio_config.write('runtime={runtime}\n'.format(runtime=runtime)) else: fio_config.write('runtime=1800\n') fio_config.write('allow_file_create=0\n') image_size=10240 if config.get('image_size'): image_size=config['image_size'] formats=[1,2] features=[['layering'],['striping'],['exclusive-lock','object-map']] fio_version='2.7' if config.get('formats'): formats=config['formats'] if config.get('features'): features=config['features'] if config.get('fio-version'): fio_version=config['fio-version'] # handle package required for ioengine, if any sn=remote.shortname ioengine_pkg = get_ioengine_package_name(ioengine, remote) if ioengine_pkg: install_package(ioengine_pkg, remote) fio_config.write('norandommap\n') if ioengine == 'rbd': fio_config.write('clientname=admin\n') fio_config.write('pool=rbd\n') fio_config.write('invalidate=0\n') elif ioengine == 'libaio': fio_config.write('direct=1\n') for frmt in formats: for feature in features: log.info("Creating rbd images on {sn}".format(sn=sn)) feature_name = '-'.join(feature) rbd_name = 'i{i}f{f}{sn}'.format(i=frmt,f=feature_name,sn=sn) rbd_snap_name = 'i{i}f{f}{sn}@i{i}f{f}{sn}Snap'.format(i=frmt,f=feature_name,sn=sn) rbd_clone_name = 'i{i}f{f}{sn}Clone'.format(i=frmt,f=feature_name,sn=sn) create_args=['rbd', 'create', '--size', '{size}'.format(size=image_size), '--image', rbd_name, '--image-format', '{f}'.format(f=frmt)] map(lambda x: create_args.extend(['--image-feature', x]), feature) remote.run(args=create_args) remote.run(args=['rbd', 'info', rbd_name]) if ioengine != 'rbd': rbd_dev = run_rbd_map(remote, rbd_name, iodepth) if config.get('test-clone-io'): log.info("Testing clones using fio") remote.run(args=['rbd', 'snap', 'create', rbd_snap_name]) remote.run(args=['rbd', 'snap', 'protect', rbd_snap_name]) remote.run(args=['rbd', 'clone', rbd_snap_name, rbd_clone_name]) rbd_clone_dev = run_rbd_map(remote, rbd_clone_name, iodepth) fio_config.write('[{rbd_dev}]\n'.format(rbd_dev=rbd_dev)) if config.get('rw'): rw=config['rw'] fio_config.write('rw={rw}\n'.format(rw=rw)) else: fio_config .write('rw=randrw\n') fio_config.write('filename={rbd_dev}\n'.format(rbd_dev=rbd_dev)) if config.get('test-clone-io'): fio_config.write('[{rbd_clone_dev}]\n'.format(rbd_clone_dev=rbd_clone_dev)) fio_config.write('rw={rw}\n'.format(rw=rw)) fio_config.write('filename={rbd_clone_dev}\n'.format(rbd_clone_dev=rbd_clone_dev)) else: if config.get('test-clone-io'): log.info("Testing clones using fio") remote.run(args=['rbd', 'snap', 'create', rbd_snap_name]) remote.run(args=['rbd', 'snap', 'protect', rbd_snap_name]) remote.run(args=['rbd', 'clone', rbd_snap_name, rbd_clone_name]) fio_config.write('[{img_name}]\n'.format(img_name=rbd_name)) if config.get('rw'): rw=config['rw'] fio_config.write('rw={rw}\n'.format(rw=rw)) else: fio_config.write('rw=randrw\n') fio_config.write('rbdname={img_name}\n'.format(img_name=rbd_name)) if config.get('test-clone-io'): fio_config.write('[{clone_img_name}]\n'.format(clone_img_name=rbd_clone_name)) fio_config.write('rw={rw}\n'.format(rw=rw)) fio_config.write('rbdname={clone_img_name}\n'.format(clone_img_name=rbd_clone_name)) fio_config.close() remote.put_file(fio_config.name,fio_config.name) try: log.info("Running rbd feature - fio test on {sn}".format(sn=sn)) fio = "https://github.com/axboe/fio/archive/fio-" + fio_version + ".tar.gz" remote.run(args=['mkdir', run.Raw(rbd_test_dir),]) remote.run(args=['cd' , run.Raw(rbd_test_dir), run.Raw(';'), 'wget' , fio , run.Raw(';'), run.Raw('tar -xvf fio*tar.gz'), run.Raw(';'), run.Raw('cd fio-fio*'), 'configure', run.Raw(';') ,'make']) remote.run(args=['ceph', '-s']) remote.run(args=[run.Raw('{tdir}/fio-fio-{v}/fio --showcmd {f}'.format(tdir=rbd_test_dir,v=fio_version,f=fio_config.name))]) remote.run(args=['sudo', run.Raw('{tdir}/fio-fio-{v}/fio {f}'.format(tdir=rbd_test_dir,v=fio_version,f=fio_config.name))]) remote.run(args=['ceph', '-s']) finally: out=StringIO.StringIO() remote.run(args=['rbd','showmapped', '--format=json'], stdout=out) mapped_images = json.loads(out.getvalue()) if mapped_images: log.info("Unmapping rbd images on {sn}".format(sn=sn)) for image in mapped_images.itervalues(): remote.run(args=['sudo', 'rbd', 'unmap', str(image['device'])]) log.info("Cleaning up fio install") remote.run(args=['rm','-rf', run.Raw(rbd_test_dir)]) if ioengine_pkg: remove_package(ioengine_pkg, remote)