qa/tasks: add ragweed task

Signed-off-by: Yehuda Sadeh <yehuda@redhat.com>

diff --git a/qa/tasks/ragweed.py b/qa/tasks/ragweed.py
new file mode 100644 (file)
index 0000000..ab3e043
--- /dev/null
+++ b/qa/tasks/ragweed.py
@@ -0,0 +1,338 @@
+"""
+Run a set of s3 tests on rgw.
+"""
+from cStringIO import StringIO
+from configobj import ConfigObj
+import base64
+import contextlib
+import logging
+import os
+import random
+import string
+
+import util.rgw as rgw_utils
+
+from teuthology import misc as teuthology
+from teuthology import contextutil
+from teuthology.config import config as teuth_config
+from teuthology.orchestra import run
+from teuthology.orchestra.connection import split_user
+
+log = logging.getLogger(__name__)
+
+@contextlib.contextmanager
+def download(ctx, config):
+    """
+    Download the s3 tests from the git builder.
+    Remove downloaded s3 file upon exit.
+
+    The context passed in should be identical to the context
+    passed in to the main task.
+    """
+    assert isinstance(config, dict)
+    log.info('Downloading ragweed...')
+    testdir = teuthology.get_testdir(ctx)
+    s3_branches = [ 'giant', 'firefly', 'firefly-original', 'hammer' ]
+    for (client, cconf) in config.items():
+        branch = cconf.get('force-branch', None)
+        if not branch:
+            ceph_branch = ctx.config.get('branch')
+            suite_branch = ctx.config.get('suite_branch', ceph_branch)
+            if suite_branch in s3_branches:
+                branch = cconf.get('branch', suite_branch)
+           else:
+                branch = cconf.get('branch', 'ceph-' + suite_branch)
+        if not branch:
+            raise ValueError(
+                "Could not determine what branch to use for ragweed!")
+        else:
+            log.info("Using branch '%s' for ragweed", branch)
+        sha1 = cconf.get('sha1')
+        ctx.cluster.only(client).run(
+            args=[
+                'git', 'clone',
+                '-b', branch,
+                teuth_config.ceph_git_base_url + 'ragweed.git',
+                '{tdir}/ragweed'.format(tdir=testdir),
+                ],
+            )
+        if sha1 is not None:
+            ctx.cluster.only(client).run(
+                args=[
+                    'cd', '{tdir}/ragweed'.format(tdir=testdir),
+                    run.Raw('&&'),
+                    'git', 'reset', '--hard', sha1,
+                    ],
+                )
+    try:
+        yield
+    finally:
+        log.info('Removing ragweed...')
+        testdir = teuthology.get_testdir(ctx)
+        for client in config:
+            ctx.cluster.only(client).run(
+                args=[
+                    'rm',
+                    '-rf',
+                    '{tdir}/ragweed'.format(tdir=testdir),
+                    ],
+                )
+
+
+def _config_user(ragweed_conf, section, user):
+    """
+    Configure users for this section by stashing away keys, ids, and
+    email addresses.
+    """
+    ragweed_conf[section].setdefault('user_id', user)
+    ragweed_conf[section].setdefault('email', '{user}+test@test.test'.format(user=user))
+    ragweed_conf[section].setdefault('display_name', 'Mr. {user}'.format(user=user))
+    ragweed_conf[section].setdefault('access_key', ''.join(random.choice(string.uppercase) for i in xrange(20)))
+    ragweed_conf[section].setdefault('secret_key', base64.b64encode(os.urandom(40)))
+
+
+@contextlib.contextmanager
+def create_users(ctx, config):
+    """
+    Create a main and an alternate s3 user.
+    """
+    assert isinstance(config, dict)
+    log.info('Creating rgw users...')
+    testdir = teuthology.get_testdir(ctx)
+    users = {'user regular': 'foo', 'user system': 'sysuser'}
+    for client in config['clients']:
+        ragweed_conf = config['ragweed_conf'][client]
+        ragweed_conf.setdefault('fixtures', {})
+        ragweed_conf['rgw'].setdefault('bucket_prefix', 'test-' + client)
+        for section, user in users.iteritems():
+            _config_user(ragweed_conf, section, '{user}.{client}'.format(user=user, client=client))
+            log.debug('Creating user {user} on {host}'.format(user=ragweed_conf[section]['user_id'], host=client))
+            ctx.cluster.only(client).run(
+                args=[
+                    'adjust-ulimits',
+                    'ceph-coverage',
+                    '{tdir}/archive/coverage'.format(tdir=testdir),
+                    'radosgw-admin',
+                    '-n', client,
+                    'user', 'create',
+                    '--uid', ragweed_conf[section]['user_id'],
+                    '--display-name', ragweed_conf[section]['display_name'],
+                    '--access-key', ragweed_conf[section]['access_key'],
+                    '--secret', ragweed_conf[section]['secret_key'],
+                    '--email', ragweed_conf[section]['email'],
+                ],
+            )
+    try:
+        yield
+    finally:
+        for client in config['clients']:
+            for user in users.itervalues():
+                uid = '{user}.{client}'.format(user=user, client=client)
+                ctx.cluster.only(client).run(
+                    args=[
+                        'adjust-ulimits',
+                        'ceph-coverage',
+                        '{tdir}/archive/coverage'.format(tdir=testdir),
+                        'radosgw-admin',
+                        '-n', client,
+                        'user', 'rm',
+                        '--uid', uid,
+                        '--purge-data',
+                        ],
+                    )
+
+
+@contextlib.contextmanager
+def configure(ctx, config):
+    """
+    Configure the ragweed.  This includes the running of the
+    bootstrap code and the updating of local conf files.
+    """
+    assert isinstance(config, dict)
+    log.info('Configuring ragweed...')
+    testdir = teuthology.get_testdir(ctx)
+    for client, properties in config['clients'].iteritems():
+        ragweed_conf = config['ragweed_conf'][client]
+        if properties is not None and 'rgw_server' in properties:
+            host = None
+            for target, roles in zip(ctx.config['targets'].iterkeys(), ctx.config['roles']):
+                log.info('roles: ' + str(roles))
+                log.info('target: ' + str(target))
+                if properties['rgw_server'] in roles:
+                    _, host = split_user(target)
+            assert host is not None, "Invalid client specified as the rgw_server"
+            ragweed_conf['rgw']['host'] = host
+        else:
+            ragweed_conf['rgw']['host'] = 'localhost'
+
+        if properties is not None and 'slow_backend' in properties:
+           ragweed_conf['fixtures']['slow backend'] = properties['slow_backend']
+
+        (remote,) = ctx.cluster.only(client).remotes.keys()
+        remote.run(
+            args=[
+                'cd',
+                '{tdir}/ragweed'.format(tdir=testdir),
+                run.Raw('&&'),
+                './bootstrap',
+                ],
+            )
+        conf_fp = StringIO()
+        ragweed_conf.write(conf_fp)
+        teuthology.write_file(
+            remote=remote,
+            path='{tdir}/archive/ragweed.{client}.conf'.format(tdir=testdir, client=client),
+            data=conf_fp.getvalue(),
+            )
+
+    log.info('Configuring boto...')
+    boto_src = os.path.join(os.path.dirname(__file__), 'boto.cfg.template')
+    for client, properties in config['clients'].iteritems():
+        with file(boto_src, 'rb') as f:
+            (remote,) = ctx.cluster.only(client).remotes.keys()
+            conf = f.read().format(
+                idle_timeout=config.get('idle_timeout', 30)
+                )
+            teuthology.write_file(
+                remote=remote,
+                path='{tdir}/boto.cfg'.format(tdir=testdir),
+                data=conf,
+                )
+
+    try:
+        yield
+
+    finally:
+        log.info('Cleaning up boto...')
+        for client, properties in config['clients'].iteritems():
+            (remote,) = ctx.cluster.only(client).remotes.keys()
+            remote.run(
+                args=[
+                    'rm',
+                    '{tdir}/boto.cfg'.format(tdir=testdir),
+                    ],
+                )
+
+@contextlib.contextmanager
+def run_tests(ctx, config):
+    """
+    Run the ragweed after everything is set up.
+
+    :param ctx: Context passed to task
+    :param config: specific configuration information
+    """
+    assert isinstance(config, dict)
+    testdir = teuthology.get_testdir(ctx)
+    attrs = ["!fails_on_rgw"]
+    if not ctx.rgw.use_fastcgi:
+        attrs.append("!fails_on_mod_proxy_fcgi")
+    for client, client_config in config.iteritems():
+        args = [
+            'RAGWEED_CONF={tdir}/archive/ragweed.{client}.conf'.format(tdir=testdir, client=client),
+            'RAGWEED_RUN=stage,check',
+            'BOTO_CONFIG={tdir}/boto.cfg'.format(tdir=testdir),
+            '{tdir}/ragweed/virtualenv/bin/nosetests'.format(tdir=testdir),
+            '-w',
+            '{tdir}/ragweed'.format(tdir=testdir),
+            '-v',
+            '-a', ','.join(attrs),
+            ]
+        if client_config is not None and 'extra_args' in client_config:
+            args.extend(client_config['extra_args'])
+
+        ctx.cluster.only(client).run(
+            args=args,
+            label="ragweed tests against rgw"
+            )
+    yield
+
+@contextlib.contextmanager
+def task(ctx, config):
+    """
+    Run the ragweed suite against rgw.
+
+    To run all tests on all clients::
+
+        tasks:
+        - ceph:
+        - rgw:
+        - ragweed:
+
+    To restrict testing to particular clients::
+
+        tasks:
+        - ceph:
+        - rgw: [client.0]
+        - ragweed: [client.0]
+
+    To run against a server on client.1 and increase the boto timeout to 10m::
+
+        tasks:
+        - ceph:
+        - rgw: [client.1]
+        - ragweed:
+            client.0:
+              rgw_server: client.1
+              idle_timeout: 600
+
+    To pass extra arguments to nose (e.g. to run a certain test)::
+
+        tasks:
+        - ceph:
+        - rgw: [client.0]
+        - ragweed:
+            client.0:
+              extra_args: ['test_s3:test_object_acl_grand_public_read']
+            client.1:
+              extra_args: ['--exclude', 'test_100_continue']
+    """
+    assert config is None or isinstance(config, list) \
+        or isinstance(config, dict), \
+        "task ragweed only supports a list or dictionary for configuration"
+    all_clients = ['client.{id}'.format(id=id_)
+                   for id_ in teuthology.all_roles_of_type(ctx.cluster, 'client')]
+    if config is None:
+        config = all_clients
+    if isinstance(config, list):
+        config = dict.fromkeys(config)
+    clients = config.keys()
+
+    overrides = ctx.config.get('overrides', {})
+    # merge each client section, not the top level.
+    for client in config.iterkeys():
+        if not config[client]:
+            config[client] = {}
+        teuthology.deep_merge(config[client], overrides.get('ragweed', {}))
+
+    log.debug('ragweed config is %s', config)
+
+    ragweed_conf = {}
+    for client in clients:
+        ragweed_conf[client] = ConfigObj(
+            indent_type='',
+            infile={
+                'rgw':
+                    {
+                    'port'      : 7280,
+                    'is_secure' : 'no',
+                    },
+                'fixtures' : {},
+                'user system'  : {},
+                'user regular'   : {},
+                }
+            )
+
+    with contextutil.nested(
+        lambda: download(ctx=ctx, config=config),
+        lambda: create_users(ctx=ctx, config=dict(
+                clients=clients,
+                ragweed_conf=ragweed_conf,
+                )),
+        lambda: configure(ctx=ctx, config=dict(
+                clients=config,
+                ragweed_conf=ragweed_conf,
+                )),
+        lambda: run_tests(ctx=ctx, config=config),
+        ):
+        pass
+    yield