mirror of https://github.com/ceph/ceph
664 lines
23 KiB
Python
664 lines
23 KiB
Python
"""
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Qemu 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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import yaml
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import time
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from tasks import rbd
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from tasks.util.workunit import get_refspec_after_overrides
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from teuthology import contextutil
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from teuthology import misc as teuthology
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from teuthology.config import config as teuth_config
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from teuthology.orchestra import run
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log = logging.getLogger(__name__)
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DEFAULT_NUM_DISKS = 2
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DEFAULT_IMAGE_URL = 'http://download.ceph.com/qa/ubuntu-12.04.qcow2'
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DEFAULT_IMAGE_SIZE = 10240 # in megabytes
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ENCRYPTION_HEADER_SIZE = 16 # in megabytes
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DEFAULT_CPUS = 1
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DEFAULT_MEM = 4096 # in megabytes
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def normalize_disks(config):
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# normalize the 'disks' parameter into a list of dictionaries
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for client, client_config in config.items():
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clone = client_config.get('clone', False)
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image_url = client_config.get('image_url', DEFAULT_IMAGE_URL)
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device_type = client_config.get('type', 'filesystem')
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encryption_format = client_config.get('encryption_format', 'none')
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disks = client_config.get('disks', DEFAULT_NUM_DISKS)
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if not isinstance(disks, list):
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disks = [{'image_name': '{client}.{num}'.format(client=client,
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num=i)}
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for i in range(int(disks))]
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client_config['disks'] = disks
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for i, disk in enumerate(disks):
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if 'action' not in disk:
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disk['action'] = 'create'
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assert disk['action'] in ['none', 'create', 'clone'], 'invalid disk action'
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assert disk['action'] != 'clone' or 'parent_name' in disk, 'parent_name required for clone'
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if 'image_size' not in disk:
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disk['image_size'] = DEFAULT_IMAGE_SIZE
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disk['image_size'] = int(disk['image_size'])
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if 'image_url' not in disk and i == 0:
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disk['image_url'] = image_url
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if 'device_type' not in disk:
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disk['device_type'] = device_type
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disk['device_letter'] = chr(ord('a') + i)
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if 'encryption_format' not in disk:
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disk['encryption_format'] = encryption_format
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assert disk['encryption_format'] in ['none', 'luks1', 'luks2'], 'invalid encryption format'
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assert disks, 'at least one rbd device must be used'
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if clone:
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for disk in disks:
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if disk['action'] != 'create':
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continue
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clone = dict(disk)
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clone['action'] = 'clone'
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clone['parent_name'] = clone['image_name']
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clone['image_name'] += '-clone'
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del disk['device_letter']
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disks.append(clone)
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def create_images(ctx, config, managers):
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for client, client_config in config.items():
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disks = client_config['disks']
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for disk in disks:
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if disk.get('action') != 'create' or (
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'image_url' in disk and
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disk['encryption_format'] == 'none'):
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continue
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image_size = disk['image_size']
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if disk['encryption_format'] != 'none':
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image_size += ENCRYPTION_HEADER_SIZE
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create_config = {
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client: {
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'image_name': disk['image_name'],
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'image_format': 2,
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'image_size': image_size,
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'encryption_format': disk['encryption_format'],
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}
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}
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managers.append(
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lambda create_config=create_config:
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rbd.create_image(ctx=ctx, config=create_config)
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)
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def create_clones(ctx, config, managers):
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for client, client_config in config.items():
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disks = client_config['disks']
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for disk in disks:
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if disk['action'] != 'clone':
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continue
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create_config = {
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client: {
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'image_name': disk['image_name'],
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'parent_name': disk['parent_name']
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}
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}
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managers.append(
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lambda create_config=create_config:
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rbd.clone_image(ctx=ctx, config=create_config)
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)
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def create_encrypted_devices(ctx, config, managers):
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for client, client_config in config.items():
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disks = client_config['disks']
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for disk in disks:
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if disk['encryption_format'] == 'none' or \
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'device_letter' not in disk:
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continue
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dev_config = {client: disk}
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managers.append(
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lambda dev_config=dev_config:
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rbd.dev_create(ctx=ctx, config=dev_config)
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)
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@contextlib.contextmanager
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def create_dirs(ctx, config):
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"""
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Handle directory creation and cleanup
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"""
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testdir = teuthology.get_testdir(ctx)
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for client, client_config in config.items():
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assert 'test' in client_config, 'You must specify a test to run'
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(remote,) = ctx.cluster.only(client).remotes.keys()
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remote.run(
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args=[
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'install', '-d', '-m0755', '--',
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'{tdir}/qemu'.format(tdir=testdir),
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'{tdir}/archive/qemu'.format(tdir=testdir),
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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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for client, client_config in config.items():
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assert 'test' in client_config, 'You must specify a test to run'
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(remote,) = ctx.cluster.only(client).remotes.keys()
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remote.run(
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args=[
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'rmdir', '{tdir}/qemu'.format(tdir=testdir), run.Raw('||'), 'true',
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]
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)
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@contextlib.contextmanager
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def generate_iso(ctx, config):
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"""Execute system commands to generate iso"""
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log.info('generating iso...')
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testdir = teuthology.get_testdir(ctx)
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# use ctx.config instead of config, because config has been
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# through teuthology.replace_all_with_clients()
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refspec = get_refspec_after_overrides(ctx.config, {})
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git_url = teuth_config.get_ceph_qa_suite_git_url()
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log.info('Pulling tests from %s ref %s', git_url, refspec)
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for client, client_config in config.items():
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assert 'test' in client_config, 'You must specify a test to run'
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test = client_config['test']
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(remote,) = ctx.cluster.only(client).remotes.keys()
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clone_dir = '{tdir}/qemu_clone.{role}'.format(tdir=testdir, role=client)
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remote.run(args=refspec.clone(git_url, clone_dir))
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src_dir = os.path.dirname(__file__)
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userdata_path = os.path.join(testdir, 'qemu', 'userdata.' + client)
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metadata_path = os.path.join(testdir, 'qemu', 'metadata.' + client)
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with open(os.path.join(src_dir, 'userdata_setup.yaml')) as f:
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test_setup = ''.join(f.readlines())
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# configuring the commands to setup the nfs mount
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mnt_dir = "/export/{client}".format(client=client)
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test_setup = test_setup.format(
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mnt_dir=mnt_dir
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)
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with open(os.path.join(src_dir, 'userdata_teardown.yaml')) as f:
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test_teardown = ''.join(f.readlines())
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user_data = test_setup
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disks = client_config['disks']
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for disk in disks:
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if disk['device_type'] != 'filesystem' or \
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'device_letter' not in disk or \
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'image_url' in disk:
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continue
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dev_letter = disk['device_letter']
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user_data += """
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- |
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#!/bin/bash
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mkdir /mnt/test_{dev_letter}
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mkfs -t xfs /dev/vd{dev_letter}
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mount -t xfs /dev/vd{dev_letter} /mnt/test_{dev_letter}
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""".format(dev_letter=dev_letter)
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user_data += """
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- |
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#!/bin/bash
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test -d /etc/ceph || mkdir /etc/ceph
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cp /mnt/cdrom/ceph.* /etc/ceph/
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"""
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cloud_config_archive = client_config.get('cloud_config_archive', [])
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if cloud_config_archive:
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user_data += yaml.safe_dump(cloud_config_archive, default_style='|',
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default_flow_style=False)
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# this may change later to pass the directories as args to the
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# script or something. xfstests needs that.
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user_data += """
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- |
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#!/bin/bash
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test -d /mnt/test_b && cd /mnt/test_b
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/mnt/cdrom/test.sh > /mnt/log/test.log 2>&1 && touch /mnt/log/success
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""" + test_teardown
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user_data = user_data.format(
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ceph_branch=ctx.config.get('branch'),
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ceph_sha1=ctx.config.get('sha1'))
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remote.write_file(userdata_path, user_data)
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with open(os.path.join(src_dir, 'metadata.yaml'), 'rb') as f:
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remote.write_file(metadata_path, f)
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test_file = '{tdir}/qemu/{client}.test.sh'.format(tdir=testdir, client=client)
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log.info('fetching test %s for %s', test, client)
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remote.run(
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args=[
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'cp', '--', os.path.join(clone_dir, test), test_file,
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run.Raw('&&'),
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'chmod', '755', test_file,
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],
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)
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remote.run(
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args=[
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'genisoimage', '-quiet', '-input-charset', 'utf-8',
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'-volid', 'cidata', '-joliet', '-rock',
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'-o', '{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
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'-graft-points',
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'user-data={userdata}'.format(userdata=userdata_path),
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'meta-data={metadata}'.format(metadata=metadata_path),
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'ceph.conf=/etc/ceph/ceph.conf',
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'ceph.keyring=/etc/ceph/ceph.keyring',
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'test.sh={file}'.format(file=test_file),
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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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for client in config.keys():
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(remote,) = ctx.cluster.only(client).remotes.keys()
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remote.run(
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args=[
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'rm', '-rf',
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'{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
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os.path.join(testdir, 'qemu', 'userdata.' + client),
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os.path.join(testdir, 'qemu', 'metadata.' + client),
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'{tdir}/qemu/{client}.test.sh'.format(tdir=testdir, client=client),
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'{tdir}/qemu_clone.{client}'.format(tdir=testdir, client=client),
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],
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)
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@contextlib.contextmanager
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def download_image(ctx, config):
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"""Downland base image, remove image file when done"""
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log.info('downloading base image')
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testdir = teuthology.get_testdir(ctx)
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client_base_files = {}
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for client, client_config in config.items():
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(remote,) = ctx.cluster.only(client).remotes.keys()
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client_base_files[client] = []
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disks = client_config['disks']
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for disk in disks:
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if disk['action'] != 'create' or 'image_url' not in disk:
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continue
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base_file = '{tdir}/qemu/base.{name}.qcow2'.format(tdir=testdir,
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name=disk['image_name'])
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client_base_files[client].append(base_file)
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remote.run(
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args=[
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'wget', '-nv', '-O', base_file, disk['image_url'],
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]
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)
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if disk['encryption_format'] == 'none':
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remote.run(
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args=[
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'qemu-img', 'convert', '-f', 'qcow2', '-O', 'raw',
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base_file, 'rbd:rbd/{image_name}'.format(image_name=disk['image_name'])
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]
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)
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else:
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dev_config = {client: {'image_name': disk['image_name'],
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'encryption_format': disk['encryption_format']}}
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raw_file = '{tdir}/qemu/base.{name}.raw'.format(
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tdir=testdir, name=disk['image_name'])
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client_base_files[client].append(raw_file)
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remote.run(
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args=[
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'qemu-img', 'convert', '-f', 'qcow2', '-O', 'raw',
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base_file, raw_file
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]
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)
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with rbd.dev_create(ctx, dev_config):
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remote.run(
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args=[
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'dd', 'if={name}'.format(name=raw_file),
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'of={name}'.format(name=dev_config[client]['device_path']),
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'bs=4M', 'conv=fdatasync'
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]
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)
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for disk in disks:
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if disk['action'] == 'clone' or \
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disk['encryption_format'] != 'none' or \
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(disk['action'] == 'create' and 'image_url' not in disk):
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continue
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remote.run(
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args=[
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'rbd', 'resize',
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'--size={image_size}M'.format(image_size=disk['image_size']),
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disk['image_name'], run.Raw('||'), 'true'
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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.debug('cleaning up base image files')
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for client, base_files in client_base_files.items():
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(remote,) = ctx.cluster.only(client).remotes.keys()
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for base_file in base_files:
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remote.run(
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args=[
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'rm', '-f', base_file,
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],
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)
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def _setup_nfs_mount(remote, client, service_name, mount_dir):
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"""
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Sets up an nfs mount on the remote that the guest can use to
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store logs. This nfs mount is also used to touch a file
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at the end of the test to indicate if the test was successful
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or not.
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"""
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export_dir = "/export/{client}".format(client=client)
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log.info("Creating the nfs export directory...")
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remote.run(args=[
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'sudo', 'mkdir', '-p', export_dir,
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])
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log.info("Mounting the test directory...")
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remote.run(args=[
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'sudo', 'mount', '--bind', mount_dir, export_dir,
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])
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log.info("Adding mount to /etc/exports...")
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export = "{dir} *(rw,no_root_squash,no_subtree_check,insecure)".format(
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dir=export_dir
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)
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log.info("Deleting export from /etc/exports...")
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remote.run(args=[
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'sudo', 'sed', '-i', "\|{export_dir}|d".format(export_dir=export_dir),
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'/etc/exports'
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])
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remote.run(args=[
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'echo', export, run.Raw("|"),
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'sudo', 'tee', '-a', "/etc/exports",
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])
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log.info("Restarting NFS...")
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if remote.os.package_type == "deb":
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remote.run(args=['sudo', 'service', 'nfs-kernel-server', 'restart'])
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else:
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remote.run(args=['sudo', 'systemctl', 'restart', service_name])
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|
|
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def _teardown_nfs_mount(remote, client, service_name):
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"""
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Tears down the nfs mount on the remote used for logging and reporting the
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status of the tests being ran in the guest.
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"""
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log.info("Tearing down the nfs mount for {remote}".format(remote=remote))
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export_dir = "/export/{client}".format(client=client)
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log.info("Stopping NFS...")
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if remote.os.package_type == "deb":
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remote.run(args=[
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'sudo', 'service', 'nfs-kernel-server', 'stop'
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])
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else:
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remote.run(args=[
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'sudo', 'systemctl', 'stop', service_name
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])
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log.info("Unmounting exported directory...")
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remote.run(args=[
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'sudo', 'umount', export_dir
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])
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|
log.info("Deleting export from /etc/exports...")
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remote.run(args=[
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'sudo', 'sed', '-i', "\|{export_dir}|d".format(export_dir=export_dir),
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'/etc/exports'
|
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])
|
|
log.info("Starting NFS...")
|
|
if remote.os.package_type == "deb":
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remote.run(args=[
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'sudo', 'service', 'nfs-kernel-server', 'start'
|
|
])
|
|
else:
|
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remote.run(args=[
|
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'sudo', 'systemctl', 'start', service_name
|
|
])
|
|
|
|
|
|
@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.items():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
log_dir = '{tdir}/archive/qemu/{client}'.format(tdir=testdir, client=client)
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remote.run(
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|
args=[
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'mkdir', log_dir, run.Raw('&&'),
|
|
'sudo', 'modprobe', 'kvm',
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|
]
|
|
)
|
|
|
|
nfs_service_name = 'nfs'
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|
if remote.os.name in ['rhel', 'centos'] and float(remote.os.version) >= 8:
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nfs_service_name = 'nfs-server'
|
|
|
|
# make an nfs mount to use for logging and to
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# allow to test to tell teuthology the tests outcome
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|
_setup_nfs_mount(remote, client, nfs_service_name, log_dir)
|
|
|
|
# Hack to make sure /dev/kvm permissions are set correctly
|
|
# See http://tracker.ceph.com/issues/17977 and
|
|
# https://bugzilla.redhat.com/show_bug.cgi?id=1333159
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|
remote.run(args='sudo udevadm control --reload')
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|
remote.run(args='sudo udevadm trigger /dev/kvm')
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remote.run(args='ls -l /dev/kvm')
|
|
|
|
qemu_cmd = 'qemu-system-x86_64'
|
|
if remote.os.package_type == "rpm":
|
|
qemu_cmd = "/usr/libexec/qemu-kvm"
|
|
args=[
|
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'adjust-ulimits',
|
|
'ceph-coverage',
|
|
'{tdir}/archive/coverage'.format(tdir=testdir),
|
|
'daemon-helper',
|
|
'term',
|
|
qemu_cmd, '-enable-kvm', '-nographic', '-cpu', 'host',
|
|
'-smp', str(client_config.get('cpus', DEFAULT_CPUS)),
|
|
'-m', str(client_config.get('memory', DEFAULT_MEM)),
|
|
# cd holding metadata for cloud-init
|
|
'-cdrom', '{tdir}/qemu/{client}.iso'.format(tdir=testdir, client=client),
|
|
]
|
|
|
|
cachemode = 'none'
|
|
ceph_config = ctx.ceph['ceph'].conf.get('global', {})
|
|
ceph_config.update(ctx.ceph['ceph'].conf.get('client', {}))
|
|
ceph_config.update(ctx.ceph['ceph'].conf.get(client, {}))
|
|
if ceph_config.get('rbd cache', True):
|
|
if ceph_config.get('rbd cache max dirty', 1) > 0:
|
|
cachemode = 'writeback'
|
|
else:
|
|
cachemode = 'writethrough'
|
|
|
|
disks = client_config['disks']
|
|
for disk in disks:
|
|
if 'device_letter' not in disk:
|
|
continue
|
|
|
|
if disk['encryption_format'] == 'none':
|
|
disk_spec = 'rbd:rbd/{img}:id={id}'.format(
|
|
img=disk['image_name'],
|
|
id=client[len('client.'):]
|
|
)
|
|
else:
|
|
disk_spec = disk['device_path']
|
|
|
|
args.extend([
|
|
'-drive',
|
|
'file={disk_spec},format=raw,if=virtio,cache={cachemode}'.format(
|
|
disk_spec=disk_spec,
|
|
cachemode=cachemode,
|
|
),
|
|
])
|
|
time_wait = client_config.get('time_wait', 0)
|
|
|
|
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)
|
|
|
|
if time_wait > 0:
|
|
log.debug('waiting {time_wait} sec for workloads detect finish...'.format(
|
|
time_wait=time_wait));
|
|
time.sleep(time_wait)
|
|
|
|
log.debug('checking that qemu tests succeeded...')
|
|
for client in config.keys():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
|
|
# ensure we have permissions to all the logs
|
|
log_dir = '{tdir}/archive/qemu/{client}'.format(tdir=testdir,
|
|
client=client)
|
|
remote.run(
|
|
args=[
|
|
'sudo', 'chmod', 'a+rw', '-R', log_dir
|
|
]
|
|
)
|
|
|
|
# teardown nfs mount
|
|
_teardown_nfs_mount(remote, client, nfs_service_name)
|
|
# check for test status
|
|
remote.run(
|
|
args=[
|
|
'test', '-f',
|
|
'{tdir}/archive/qemu/{client}/success'.format(
|
|
tdir=testdir,
|
|
client=client
|
|
),
|
|
],
|
|
)
|
|
log.info("Deleting exported directory...")
|
|
for client in config.keys():
|
|
(remote,) = ctx.cluster.only(client).remotes.keys()
|
|
remote.run(args=[
|
|
'sudo', 'rm', '-r', '/export'
|
|
])
|
|
|
|
|
|
@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://download.ceph.com/qa/test.sh
|
|
client.1:
|
|
test: http://download.ceph.com/qa/test2.sh
|
|
|
|
Or use the same settings on all clients:
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
all:
|
|
test: http://download.ceph.com/qa/test.sh
|
|
|
|
For tests that want to explicitly describe the RBD images to connect:
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://download.ceph.com/qa/test.sh
|
|
clone: True/False (optionally clone all created disks),
|
|
image_url: <URL> (optional default image URL)
|
|
type: filesystem / block (optional default device type)
|
|
disks: [
|
|
{
|
|
action: create / clone / none (optional, defaults to create)
|
|
image_name: <image name> (optional)
|
|
parent_name: <parent_name> (if action == clone),
|
|
type: filesystem / block (optional, defaults to fileystem)
|
|
image_url: <URL> (optional),
|
|
image_size: <MiB> (optional)
|
|
encryption_format: luks1 / luks2 / none (optional, defaults to none)
|
|
}, ...
|
|
]
|
|
|
|
You can set the amount of CPUs and memory the VM has (default is 1 CPU and
|
|
4096 MB)::
|
|
|
|
tasks:
|
|
- ceph:
|
|
- qemu:
|
|
client.0:
|
|
test: http://download.ceph.com/qa/test.sh
|
|
cpus: 4
|
|
memory: 512 # megabytes
|
|
|
|
If you need to configure additional cloud-config options, set cloud_config
|
|
to the required data set::
|
|
|
|
tasks:
|
|
- ceph
|
|
- qemu:
|
|
client.0:
|
|
test: http://ceph.com/qa/test.sh
|
|
cloud_config_archive:
|
|
- |
|
|
#/bin/bash
|
|
touch foo1
|
|
- content: |
|
|
test data
|
|
type: text/plain
|
|
filename: /tmp/data
|
|
"""
|
|
assert isinstance(config, dict), \
|
|
"task qemu only supports a dictionary for configuration"
|
|
|
|
config = teuthology.replace_all_with_clients(ctx.cluster, config)
|
|
normalize_disks(config)
|
|
|
|
managers = []
|
|
create_images(ctx=ctx, config=config, managers=managers)
|
|
managers.extend([
|
|
lambda: create_dirs(ctx=ctx, config=config),
|
|
lambda: generate_iso(ctx=ctx, config=config),
|
|
lambda: download_image(ctx=ctx, config=config),
|
|
])
|
|
create_clones(ctx=ctx, config=config, managers=managers)
|
|
create_encrypted_devices(ctx=ctx, config=config, managers=managers)
|
|
managers.append(
|
|
lambda: run_qemu(ctx=ctx, config=config),
|
|
)
|
|
|
|
with contextutil.nested(*managers):
|
|
yield
|