mirror of
https://github.com/ceph/ceph
synced 2024-12-29 06:52:35 +00:00
599 lines
20 KiB
Python
599 lines
20 KiB
Python
"""
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Rbd testing task
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"""
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import contextlib
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import logging
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import os
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from cStringIO import StringIO
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from teuthology.orchestra import run
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from teuthology import misc as teuthology
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from teuthology import contextutil
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from teuthology.parallel import parallel
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from teuthology.task.common_fs_utils import generic_mkfs
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from teuthology.task.common_fs_utils import generic_mount
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from teuthology.task.common_fs_utils import default_image_name
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log = logging.getLogger(__name__)
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@contextlib.contextmanager
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def create_image(ctx, config):
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"""
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Create an rbd image.
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For example::
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tasks:
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- ceph:
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- rbd.create_image:
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client.0:
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image_name: testimage
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image_size: 100
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image_format: 1
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client.1:
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Image size is expressed as a number of megabytes; default value
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is 10240.
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Image format value must be either 1 or 2; default value is 1.
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"""
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assert isinstance(config, dict) or isinstance(config, list), \
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"task create_image only supports a list or dictionary for configuration"
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if isinstance(config, dict):
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images = config.items()
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else:
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images = [(role, None) for role in config]
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testdir = teuthology.get_testdir(ctx)
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for role, properties in images:
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if properties is None:
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properties = {}
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name = properties.get('image_name', default_image_name(role))
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size = properties.get('image_size', 10240)
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fmt = properties.get('image_format', 1)
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(remote,) = ctx.cluster.only(role).remotes.keys()
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log.info('Creating image {name} with size {size}'.format(name=name,
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size=size))
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args = [
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'adjust-ulimits',
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'ceph-coverage'.format(tdir=testdir),
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd',
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'-p', 'rbd',
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'create',
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'--size', str(size),
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name,
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]
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# omit format option if using the default (format 1)
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# since old versions of don't support it
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if int(fmt) != 1:
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args += ['--image-format', str(fmt)]
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remote.run(args=args)
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try:
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yield
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finally:
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log.info('Deleting rbd images...')
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for role, properties in images:
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if properties is None:
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properties = {}
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name = properties.get('image_name', default_image_name(role))
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(remote,) = ctx.cluster.only(role).remotes.keys()
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remote.run(
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args=[
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd',
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'-p', 'rbd',
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'rm',
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name,
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],
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)
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@contextlib.contextmanager
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def clone_image(ctx, config):
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"""
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Clones a parent imag
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For example::
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tasks:
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- ceph:
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- rbd.clone_image:
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client.0:
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parent_name: testimage
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image_name: cloneimage
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"""
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assert isinstance(config, dict) or isinstance(config, list), \
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"task clone_image only supports a list or dictionary for configuration"
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if isinstance(config, dict):
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images = config.items()
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else:
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images = [(role, None) for role in config]
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testdir = teuthology.get_testdir(ctx)
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for role, properties in images:
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if properties is None:
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properties = {}
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name = properties.get('image_name', default_image_name(role))
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parent_name = properties.get('parent_name')
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assert parent_name is not None, \
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"parent_name is required"
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parent_spec = '{name}@{snap}'.format(name=parent_name, snap=name)
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(remote,) = ctx.cluster.only(role).remotes.keys()
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log.info('Clone image {parent} to {child}'.format(parent=parent_name,
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child=name))
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for cmd in [('snap', 'create', parent_spec),
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('snap', 'protect', parent_spec),
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('clone', parent_spec, name)]:
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args = [
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'adjust-ulimits',
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'ceph-coverage'.format(tdir=testdir),
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd', '-p', 'rbd'
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]
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args.extend(cmd)
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remote.run(args=args)
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try:
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yield
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finally:
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log.info('Deleting rbd clones...')
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for role, properties in images:
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if properties is None:
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properties = {}
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name = properties.get('image_name', default_image_name(role))
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parent_name = properties.get('parent_name')
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parent_spec = '{name}@{snap}'.format(name=parent_name, snap=name)
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(remote,) = ctx.cluster.only(role).remotes.keys()
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for cmd in [('rm', name),
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('snap', 'unprotect', parent_spec),
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('snap', 'rm', parent_spec)]:
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args = [
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'adjust-ulimits',
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'ceph-coverage'.format(tdir=testdir),
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd', '-p', 'rbd'
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]
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args.extend(cmd)
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remote.run(args=args)
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@contextlib.contextmanager
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def modprobe(ctx, config):
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"""
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Load the rbd kernel module..
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For example::
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tasks:
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- ceph:
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- rbd.create_image: [client.0]
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- rbd.modprobe: [client.0]
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"""
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log.info('Loading rbd kernel module...')
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for role in config:
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(remote,) = ctx.cluster.only(role).remotes.keys()
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remote.run(
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args=[
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'sudo',
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'modprobe',
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'rbd',
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],
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)
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try:
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yield
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finally:
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log.info('Unloading rbd kernel module...')
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for role in config:
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(remote,) = ctx.cluster.only(role).remotes.keys()
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remote.run(
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args=[
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'sudo',
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'modprobe',
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'-r',
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'rbd',
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# force errors to be ignored; necessary if more
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# than one device was created, which may mean
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# the module isn't quite ready to go the first
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# time through.
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run.Raw('||'),
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'true',
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],
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)
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@contextlib.contextmanager
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def dev_create(ctx, config):
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"""
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Map block devices to rbd images.
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For example::
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tasks:
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- ceph:
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- rbd.create_image: [client.0]
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- rbd.modprobe: [client.0]
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- rbd.dev_create:
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client.0: testimage.client.0
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"""
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assert isinstance(config, dict) or isinstance(config, list), \
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"task dev_create only supports a list or dictionary for configuration"
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if isinstance(config, dict):
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role_images = config.items()
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else:
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role_images = [(role, None) for role in config]
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log.info('Creating rbd block devices...')
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testdir = teuthology.get_testdir(ctx)
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for role, image in role_images:
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if image is None:
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image = default_image_name(role)
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(remote,) = ctx.cluster.only(role).remotes.keys()
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remote.run(
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args=[
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'sudo',
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd',
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'--user', role.rsplit('.')[-1],
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'-p', 'rbd',
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'map',
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image,
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run.Raw('&&'),
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# wait for the symlink to be created by udev
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'while', 'test', '!', '-e', '/dev/rbd/rbd/{image}'.format(image=image), run.Raw(';'), 'do',
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'sleep', '1', run.Raw(';'),
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'done',
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],
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)
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try:
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yield
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finally:
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log.info('Unmapping rbd devices...')
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for role, image in role_images:
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if image is None:
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image = default_image_name(role)
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(remote,) = ctx.cluster.only(role).remotes.keys()
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remote.run(
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args=[
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'LD_LIBRARY_PATH={tdir}/binary/usr/local/lib'.format(tdir=testdir),
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'sudo',
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'rbd',
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'-p', 'rbd',
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'unmap',
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'/dev/rbd/rbd/{imgname}'.format(imgname=image),
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run.Raw('&&'),
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# wait for the symlink to be deleted by udev
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'while', 'test', '-e', '/dev/rbd/rbd/{image}'.format(image=image),
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run.Raw(';'),
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'do',
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'sleep', '1', run.Raw(';'),
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'done',
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],
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)
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def rbd_devname_rtn(ctx, image):
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return '/dev/rbd/rbd/{image}'.format(image=image)
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def canonical_path(ctx, role, path):
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"""
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Determine the canonical path for a given path on the host
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representing the given role. A canonical path contains no
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. or .. components, and includes no symbolic links.
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"""
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version_fp = StringIO()
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ctx.cluster.only(role).run(
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args=[ 'readlink', '-f', path ],
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stdout=version_fp,
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)
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canonical_path = version_fp.getvalue().rstrip('\n')
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version_fp.close()
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return canonical_path
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@contextlib.contextmanager
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def run_xfstests(ctx, config):
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"""
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Run xfstests over specified devices.
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Warning: both the test and scratch devices specified will be
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overwritten. Normally xfstests modifies (but does not destroy)
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the test device, but for now the run script used here re-makes
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both filesystems.
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Note: Only one instance of xfstests can run on a single host at
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a time, although this is not enforced.
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This task in its current form needs some improvement. For
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example, it assumes all roles provided in the config are
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clients, and that the config provided is a list of key/value
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pairs. For now please use the xfstests() interface, below.
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For example::
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tasks:
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- ceph:
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- rbd.run_xfstests:
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client.0:
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count: 2
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test_dev: 'test_dev'
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scratch_dev: 'scratch_dev'
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fs_type: 'xfs'
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tests: 'generic/100 xfs/003 xfs/005 xfs/006 generic/015'
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randomize: true
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"""
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with parallel() as p:
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for role, properties in config.items():
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p.spawn(run_xfstests_one_client, ctx, role, properties)
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yield
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def run_xfstests_one_client(ctx, role, properties):
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"""
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Spawned routine to handle xfs tests for a single client
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"""
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testdir = teuthology.get_testdir(ctx)
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try:
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count = properties.get('count')
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test_dev = properties.get('test_dev')
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assert test_dev is not None, \
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"task run_xfstests requires test_dev to be defined"
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test_dev = canonical_path(ctx, role, test_dev)
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scratch_dev = properties.get('scratch_dev')
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assert scratch_dev is not None, \
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"task run_xfstests requires scratch_dev to be defined"
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scratch_dev = canonical_path(ctx, role, scratch_dev)
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fs_type = properties.get('fs_type')
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tests = properties.get('tests')
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randomize = properties.get('randomize')
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(remote,) = ctx.cluster.only(role).remotes.keys()
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# Fetch the test script
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test_root = teuthology.get_testdir(ctx)
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test_script = 'run_xfstests_krbd.sh'
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test_path = os.path.join(test_root, test_script)
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xfstests_url = properties.get('xfstests_url')
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assert xfstests_url is not None, \
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"task run_xfstests requires xfstests_url to be defined"
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xfstests_krbd_url = xfstests_url + '/' + test_script
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log.info('Fetching {script} for {role} from {url}'.format(
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script=test_script,
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role=role,
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url=xfstests_krbd_url))
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args = [ 'wget', '-O', test_path, '--', xfstests_krbd_url ]
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remote.run(args=args)
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log.info('Running xfstests on {role}:'.format(role=role))
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log.info(' iteration count: {count}:'.format(count=count))
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log.info(' test device: {dev}'.format(dev=test_dev))
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log.info(' scratch device: {dev}'.format(dev=scratch_dev))
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log.info(' using fs_type: {fs_type}'.format(fs_type=fs_type))
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log.info(' tests to run: {tests}'.format(tests=tests))
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log.info(' randomize: {randomize}'.format(randomize=randomize))
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# Note that the device paths are interpreted using
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# readlink -f <path> in order to get their canonical
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# pathname (so it matches what the kernel remembers).
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args = [
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'/usr/bin/sudo',
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'TESTDIR={tdir}'.format(tdir=testdir),
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'URL_BASE={url}'.format(url=xfstests_url),
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'adjust-ulimits',
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'ceph-coverage',
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'{tdir}/archive/coverage'.format(tdir=testdir),
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'/bin/bash',
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test_path,
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'-c', str(count),
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'-f', fs_type,
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'-t', test_dev,
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'-s', scratch_dev,
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]
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if randomize:
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args.append('-r')
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if tests:
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args.extend(['--', tests])
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remote.run(args=args, logger=log.getChild(role))
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finally:
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log.info('Removing {script} on {role}'.format(script=test_script,
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role=role))
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remote.run(args=['rm', '-f', test_path])
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@contextlib.contextmanager
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def xfstests(ctx, config):
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"""
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Run xfstests over rbd devices. This interface sets up all
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required configuration automatically if not otherwise specified.
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Note that only one instance of xfstests can run on a single host
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at a time. By default, the set of tests specified is run once.
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If a (non-zero) count value is supplied, the complete set of
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tests will be run that number of times.
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For example::
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tasks:
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- ceph:
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# Image sizes are in MB
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- rbd.xfstests:
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client.0:
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count: 3
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test_image: 'test_image'
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test_size: 250
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test_format: 2
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scratch_image: 'scratch_image'
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scratch_size: 250
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scratch_format: 1
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fs_type: 'xfs'
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tests: 'generic/100 xfs/003 xfs/005 xfs/006 generic/015'
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randomize: true
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xfstests_branch: master
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xfstests_url: 'https://raw.github.com/ceph/branch/master/qa'
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"""
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if config is None:
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config = { 'all': None }
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assert isinstance(config, dict) or isinstance(config, list), \
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"task xfstests only supports a list or dictionary for configuration"
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if isinstance(config, dict):
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config = teuthology.replace_all_with_clients(ctx.cluster, config)
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runs = config.items()
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else:
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runs = [(role, None) for role in config]
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running_xfstests = {}
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for role, properties in runs:
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assert role.startswith('client.'), \
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"task xfstests can only run on client nodes"
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for host, roles_for_host in ctx.cluster.remotes.items():
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if role in roles_for_host:
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assert host not in running_xfstests, \
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"task xfstests allows only one instance at a time per host"
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running_xfstests[host] = True
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images_config = {}
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scratch_config = {}
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modprobe_config = {}
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image_map_config = {}
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scratch_map_config = {}
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xfstests_config = {}
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for role, properties in runs:
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if properties is None:
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properties = {}
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test_image = properties.get('test_image', 'test_image.{role}'.format(role=role))
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test_size = properties.get('test_size', 10000) # 10G
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test_fmt = properties.get('test_format', 1)
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scratch_image = properties.get('scratch_image', 'scratch_image.{role}'.format(role=role))
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scratch_size = properties.get('scratch_size', 10000) # 10G
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scratch_fmt = properties.get('scratch_format', 1)
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images_config[role] = dict(
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image_name=test_image,
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image_size=test_size,
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image_format=test_fmt,
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)
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scratch_config[role] = dict(
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image_name=scratch_image,
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image_size=scratch_size,
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image_format=scratch_fmt,
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)
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xfstests_branch = properties.get('xfstests_branch', 'master')
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xfstests_url = properties.get('xfstests_url', 'https://raw.github.com/ceph/ceph/{branch}/qa'.format(branch=xfstests_branch))
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xfstests_config[role] = dict(
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count=properties.get('count', 1),
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test_dev='/dev/rbd/rbd/{image}'.format(image=test_image),
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scratch_dev='/dev/rbd/rbd/{image}'.format(image=scratch_image),
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fs_type=properties.get('fs_type', 'xfs'),
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randomize=properties.get('randomize', False),
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tests=properties.get('tests'),
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xfstests_url=xfstests_url,
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)
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log.info('Setting up xfstests using RBD images:')
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log.info(' test ({size} MB): {image}'.format(size=test_size,
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image=test_image))
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log.info(' scratch ({size} MB): {image}'.format(size=scratch_size,
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image=scratch_image))
|
|
modprobe_config[role] = None
|
|
image_map_config[role] = test_image
|
|
scratch_map_config[role] = scratch_image
|
|
|
|
with contextutil.nested(
|
|
lambda: create_image(ctx=ctx, config=images_config),
|
|
lambda: create_image(ctx=ctx, config=scratch_config),
|
|
lambda: modprobe(ctx=ctx, config=modprobe_config),
|
|
lambda: dev_create(ctx=ctx, config=image_map_config),
|
|
lambda: dev_create(ctx=ctx, config=scratch_map_config),
|
|
lambda: run_xfstests(ctx=ctx, config=xfstests_config),
|
|
):
|
|
yield
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def task(ctx, config):
|
|
"""
|
|
Create and mount an rbd image.
|
|
|
|
For example, you can specify which clients to run on::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- rbd: [client.0, client.1]
|
|
|
|
There are a few image options::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- rbd:
|
|
client.0: # uses defaults
|
|
client.1:
|
|
image_name: foo
|
|
image_size: 2048
|
|
image_format: 2
|
|
fs_type: xfs
|
|
|
|
To use default options on all clients::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- rbd:
|
|
all:
|
|
|
|
To create 20GiB images and format them with xfs on all clients::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- rbd:
|
|
all:
|
|
image_size: 20480
|
|
fs_type: xfs
|
|
"""
|
|
if config is None:
|
|
config = { 'all': None }
|
|
norm_config = config
|
|
if isinstance(config, dict):
|
|
norm_config = teuthology.replace_all_with_clients(ctx.cluster, config)
|
|
if isinstance(norm_config, dict):
|
|
role_images = {}
|
|
for role, properties in norm_config.iteritems():
|
|
if properties is None:
|
|
properties = {}
|
|
role_images[role] = properties.get('image_name')
|
|
else:
|
|
role_images = norm_config
|
|
|
|
log.debug('rbd config is: %s', norm_config)
|
|
|
|
with contextutil.nested(
|
|
lambda: create_image(ctx=ctx, config=norm_config),
|
|
lambda: modprobe(ctx=ctx, config=norm_config),
|
|
lambda: dev_create(ctx=ctx, config=role_images),
|
|
lambda: generic_mkfs(ctx=ctx, config=norm_config,
|
|
devname_rtn=rbd_devname_rtn),
|
|
lambda: generic_mount(ctx=ctx, config=role_images,
|
|
devname_rtn=rbd_devname_rtn),
|
|
):
|
|
yield
|