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"""
Admin Socket task -- used in rados, powercycle, and smoke testing
"""
from cStringIO import StringIO
import json
import logging
import os
import time
from teuthology.orchestra import run
from teuthology import misc as teuthology
from teuthology.parallel import parallel
from teuthology.config import config as teuth_config
log = logging.getLogger(__name__)
def task(ctx, config):
"""
Run an admin socket command, make sure the output is json, and run
a test program on it. The test program should read json from
stdin. This task succeeds if the test program exits with status 0.
To run the same test on all clients::
tasks:
- ceph:
- rados:
- admin_socket:
all:
dump_requests:
test: http://example.com/script
To restrict it to certain clients::
tasks:
- ceph:
- rados: [client.1]
- admin_socket:
client.1:
dump_requests:
test: http://example.com/script
If an admin socket command has arguments, they can be specified as
a list::
tasks:
- ceph:
- rados: [client.0]
- admin_socket:
client.0:
dump_requests:
test: http://example.com/script
help:
test: http://example.com/test_help_version
args: [version]
Note that there must be a ceph client with an admin socket running
before this task is run. The tests are parallelized at the client
level. Tests for a single client are run serially.
:param ctx: Context
:param config: Configuration
"""
assert isinstance(config, dict), \
'admin_socket task requires a dict for configuration'
teuthology.replace_all_with_clients(ctx.cluster, config)
with parallel() as ptask:
for client, tests in config.iteritems():
ptask.spawn(_run_tests, ctx, client, tests)
def _socket_command(ctx, remote, socket_path, command, args):
"""
Run an admin socket command and return the result as a string.
:param ctx: Context
:param remote: Remote site
:param socket_path: path to socket
:param command: command to be run remotely
:param args: command arguments
:returns: output of command in json format
"""
json_fp = StringIO()
testdir = teuthology.get_testdir(ctx)
max_tries = 120
while True:
proc = remote.run(
args=[
'sudo',
'adjust-ulimits',
'ceph-coverage',
'{tdir}/archive/coverage'.format(tdir=testdir),
'ceph',
'--admin-daemon', socket_path,
] + command.split(' ') + args,
stdout=json_fp,
check_status=False,
)
if proc.exitstatus == 0:
break
assert max_tries > 0
max_tries -= 1
log.info('ceph cli returned an error, command not registered yet?')
log.info('sleeping and retrying ...')
time.sleep(1)
out = json_fp.getvalue()
json_fp.close()
log.debug('admin socket command %s returned %s', command, out)
return json.loads(out)
def _run_tests(ctx, client, tests):
"""
Create a temp directory and wait for a client socket to be created.
For each test, copy the executable locally and run the test.
Remove temp directory when finished.
:param ctx: Context
:param client: client machine to run the test
:param tests: list of tests to run
"""
testdir = teuthology.get_testdir(ctx)
log.debug('Running admin socket tests on %s', client)
(remote,) = ctx.cluster.only(client).remotes.iterkeys()
socket_path = '/var/run/ceph/ceph-{name}.asok'.format(name=client)
overrides = ctx.config.get('overrides', {}).get('admin_socket', {})
try:
tmp_dir = os.path.join(
testdir,
'admin_socket_{client}'.format(client=client),
)
remote.run(
args=[
'mkdir',
'--',
tmp_dir,
run.Raw('&&'),
# wait for client process to create the socket
'while', 'test', '!', '-e', socket_path, run.Raw(';'),
'do', 'sleep', '1', run.Raw(';'), 'done',
],
)
for command, config in tests.iteritems():
if config is None:
config = {}
teuthology.deep_merge(config, overrides)
log.debug('Testing %s with config %s', command, str(config))
test_path = None
if 'test' in config:
# hack: the git_url is always ceph-ci or ceph
git_url = teuth_config.get_ceph_git_url()
repo_name = 'ceph.git'
if git_url.count('ceph-ci'):
repo_name = 'ceph-ci.git'
url = config['test'].format(
branch=config.get('branch', 'master'),
repo=repo_name,
)
test_path = os.path.join(tmp_dir, command)
remote.run(
args=[
'wget',
'-q',
'-O',
test_path,
'--',
url,
run.Raw('&&'),
'chmod',
'u=rx',
'--',
test_path,
],
)
args = config.get('args', [])
assert isinstance(args, list), \
'admin socket command args must be a list'
sock_out = _socket_command(ctx, remote, socket_path, command, args)
if test_path is not None:
remote.run(
args=[
test_path,
],
stdin=json.dumps(sock_out),
)
finally:
remote.run(
args=[
'rm', '-rf', '--', tmp_dir,
],
)
|
