def get_launch_command(self, basepath, processes, hostfile, runpath=None):
"""Get the process launch command used to run daos_perf
Args:
basepath (str): DAOS base path
processes (int): number of host processes
hostfile (str): file defining host names and slots
Returns:
str: returns daos_perf command
"""
attach_info_path = os.path.join(basepath, "install/tmp")
load_mpi('openmpi')
orterun_bin = find_executable('orterun')
if orterun_bin is None:
raise DaosPerfFailed("orterun not found")
orterun_cmd = [
orterun_bin,
"-np {}".format(processes),
"--hostfile {}".format(hostfile),
"--map-by node",
"-x DAOS_SINGLETON_CLI=1",
"-x CRT_ATTACH_INFO_PATH={}".format(attach_info_path),
]
command = " ".join(orterun_cmd + [self.__str__()])
return command
def configure_mpi(prereqs, env, libs, required=None):
"""Check if mpi exists and configure environment"""
if env.subst("$MPI_PKG") != "":
return _configure_mpi_pkg(env, libs)
mpis = ['openmpi', 'mpich']
if not required is None:
if isinstance(required, str):
mpis = [required]
else:
mpis = required
for mpi in mpis:
load_mpi(mpi)
comp = mpi
if mpi == "openmpi":
comp = "ompi"
if prereqs.check_component(comp):
prereqs.require(env, comp)
print("%s is installed" % mpi)
libs.append('mpi')
return comp
print("No %s installed and/or loaded" % mpi)
print("No OMPI installed")
return None
def start_servers(self, server_groups=None):
"""Start the servers and clients.
Args:
server_groups (dict, optional): [description]. Defaults to None.
"""
if server_groups is None:
server_groups = {self.server_group: self.hostlist_servers}
if isinstance(server_groups, dict):
# Optionally start servers on a different subset of hosts with a
# different server group
for group, hosts in server_groups.items():
self.log.info("Starting servers: group=%s, hosts=%s", group,
hosts)
self.server_managers.append(
ServerManager(self.bin,
os.path.join(self.ompi_prefix, "bin")))
self.server_managers[-1].get_params(self)
self.server_managers[-1].runner.job.yaml_params.name = group
self.server_managers[-1].hosts = (hosts, self.workdir,
self.hostfile_servers_slots)
if self.prefix != "/usr":
if self.server_managers[-1].runner.export.value is None:
self.server_managers[-1].runner.export.value = []
self.server_managers[-1].runner.export.value.extend(
["PATH"])
load_mpi("orterun")
yamlfile = os.path.join(self.tmp, "daos_avocado_test.yaml")
try:
self.server_managers[-1].start(yamlfile)
except ServerFailed as error:
self.multi_log(" {}".format(error))
self.fail("Error starting server: {}".format(error))
def __init__(self, job, subprocess=False):
"""Create a Orterun object.
Args:
job (ExecutableCommand): command object to manage.
subprocess (bool, optional): whether the command is run as a
subprocess. Defaults to False.
"""
load_mpi("openmpi")
path = os.path.dirname(find_executable("orterun"))
super(Orterun, self).__init__("/run/orterun/*", "orterun", job, path,
subprocess)
# Default mca values to avoid queue pair errors
mca_default = {
"btl_openib_warn_default_gid_prefix": "0",
"btl": "tcp,self",
"oob": "tcp",
"pml": "ob1",
}
self.hostfile = FormattedParameter("--hostfile {}", None)
self.processes = FormattedParameter("--np {}", 1)
self.display_map = FormattedParameter("--display-map", False)
self.map_by = FormattedParameter("--map-by {}", "node")
self.export = FormattedParameter("-x {}", None)
self.enable_recovery = FormattedParameter("--enable-recovery", True)
self.report_uri = FormattedParameter("--report-uri {}", None)
self.allow_run_as_root = FormattedParameter("--allow-run-as-root",
None)
self.mca = FormattedParameter("--mca {}", mca_default)
self.pprnode = FormattedParameter("--map-by ppr:{}:node", None)
self.tag_output = FormattedParameter("--tag-output", True)
self.ompi_server = FormattedParameter("--ompi-server {}", None)
self.working_dir = FormattedParameter("-wdir {}", None)
def __init__(self, job, subprocess=False, mpitype="openmpi"):
"""Create a Mpirun object.
Args:
job (ExecutableCommand): command object to manage.
subprocess (bool, optional): whether the command is run as a
subprocess. Defaults to False.
"""
load_mpi(mpitype)
path = os.path.dirname(find_executable("mpirun"))
super(Mpirun, self).__init__("/run/mpirun", "mpirun", job, path,
subprocess)
mca_default = None
if mpitype == "openmpi":
# Default mca values to avoid queue pair errors w/ OpenMPI
mca_default = {
"btl_openib_warn_default_gid_prefix": "0",
"btl": "tcp,self",
"oob": "tcp",
"pml": "ob1",
}
self.hostfile = FormattedParameter("-hostfile {}", None)
self.processes = FormattedParameter("-np {}", 1)
self.ppn = FormattedParameter("-ppn {}", None)
self.envlist = FormattedParameter("-envlist {}", None)
self.mca = FormattedParameter("--mca {}", mca_default)
self.working_dir = FormattedParameter("-wdir {}", None)
self.mpitype = mpitype
def mpich_installed(self, hostlist):
"""Check if mpich is installed.
Args:
hostlist (list): list of hosts
Returns:
bool: whether mpich is installed on the first host in the list
"""
load_mpi('mpich')
# checking mpich install
cmd = "set -e; " \
"export MODULEPATH=/usr/share/modules:/etc/modulefiles; " \
"for mod in mpi/mpich-x86_64 gnu-mpich; do " \
"if module is-avail $mod >/dev/null 2>&1; then " \
"module load $mod >/dev/null 2>&1; " \
"break; " \
"fi; " \
"done; " \
"command -v mpichversion"
cmd = '/usr/bin/ssh {} {}'.format(hostlist[0], cmd)
try:
result = run_command(cmd)
self.mpichinstall = \
result.stdout.rstrip()[:-len('bin/mpichversion')]
return True
except DaosTestError as excep:
print("Mpich not installed \n {}".format(excep))
return False
return False
def write_file(self, orterun, processes, hostfile, size, timeout=60):
"""Write a file to the pool.
Args:
orterun (str): full path to the orterun command
processes (int): number of processes to launch
hosts (list): list of clients from which to write the file
size (int): size of the file to create in bytes
timeout (int, optional): number of seconds before timing out the
command. Defaults to 60 seconds.
Returns:
process.CmdResult: command execution result
"""
self.log.info("Writing %s bytes to pool %s", size, self.uuid)
env = {
"DAOS_POOL": self.uuid,
"DAOS_SVCL": "1",
"PYTHONPATH": os.getenv("PYTHONPATH", "")
}
load_mpi("openmpi")
current_path = os.path.dirname(os.path.abspath(__file__))
command = "{} --np {} --hostfile {} {} {} testfile".format(
orterun, processes, hostfile,
os.path.join(current_path, "write_some_data.py"), size)
return run_command(command, timeout, True, env=env)
def run(self):
"""Run the mpirun command.
Raises:
CommandFailure: if there is an error running the command
"""
load_mpi(self.mpitype)
return super(Mpirun, self).run()
def run(self):
"""Run the orterun command.
Raises:
CommandFailure: if there is an error running the command
"""
load_mpi("openmpi")
return super(Orterun, self).run()
def setUp(self):
"""Set up run before each test."""
super(TestWithoutServers, self).setUp()
load_mpi('openmpi')
self.orterun = find_executable('orterun')
if self.orterun is None:
self.fail("Could not find orterun")
# hardware tests segfault in MPI_Init without this option
self.client_mca = "--mca btl_openib_warn_default_gid_prefix 0"
self.client_mca += " --mca pml ob1"
self.client_mca += " --mca btl tcp,self"
self.client_mca += " --mca oob tcp"
self.ompi_prefix = os.path.dirname(os.path.dirname(self.orterun))
# get paths from the build_vars generated by build
with open('../../.build_vars.json') as build_vars:
build_paths = json.load(build_vars)
self.basepath = os.path.normpath(os.path.join(build_paths['PREFIX'],
'..') + os.path.sep)
self.prefix = build_paths['PREFIX']
try:
self.ofi_prefix = build_paths['OFI_PREFIX']
except KeyError:
self.ofi_prefix = "/usr"
self.bin = os.path.join(self.prefix, 'bin')
self.daos_test = os.path.join(self.prefix, 'bin', 'daos_test')
# set default shared dir for daos tests in case DAOS_TEST_SHARED_DIR
# is not set, for RPM env and non-RPM env.
if self.prefix != "/usr":
self.tmp = os.path.join(self.prefix, 'tmp')
else:
self.tmp = os.getenv(
'DAOS_TEST_SHARED_DIR', os.path.expanduser('~/daos_test'))
if not os.path.exists(self.tmp):
os.makedirs(self.tmp)
# setup fault injection, this MUST be before API setup
fault_list = self.params.get("fault_list", '/run/faults/*')
if fault_list:
# not using workdir because the huge path was messing up
# orterun or something, could re-evaluate this later
self.fault_file = fault_config_utils.write_fault_file(self.tmp,
fault_list,
None)
os.environ["D_FI_CONFIG"] = self.fault_file
self.context = DaosContext(self.prefix + '/lib64/')
self.d_log = DaosLog(self.context)
self.test_log.daos_log = self.d_log
def run_test(self, test_repo, test_name):
"""Execute function to be used by test functions below.
test_repo --absolute or relative (to self.mpichinstall) location
of test repository
test_name --name of the test to be run
"""
# Required to run daos command
load_mpi("openmpi")
# Create pool
self.add_pool(connect=False)
# create container
self.add_container(self.pool)
# initialize MpioUtils
self.mpio = MpioUtils()
if not self.mpio.mpich_installed(self.hostlist_clients):
self.fail("Exiting Test: Mpich not installed")
# fix up a relative test_repo specification
if test_repo[0] != '/':
test_repo = os.path.join(self.mpio.mpichinstall, test_repo)
# initialize test specific variables
client_processes = self.params.get("np", '/run/client_processes/')
try:
# running tests
result = self.mpio.run_mpiio_tests(self.hostfile_clients,
self.pool.uuid, test_repo,
test_name, client_processes,
self.container.uuid)
except MpioFailed as excep:
self.fail("<{0} Test Failed> \n{1}".format(test_name, excep))
# Check output for errors
for output in (result.stdout_text, result.stderr_text):
match = re.findall(
r"(non-zero exit code|MPI_Abort|MPI_ABORT|ERROR)", output)
if match:
self.log.info(
"The following error messages have been detected in the %s "
"output:", test_name)
for item in match:
self.log.info(" %s", item)
self.fail(
"Error messages detected in {} output".format(test_name))
def mpich_installed(self, hostlist):
"""Check if mpich is installed"""
load_mpi('mpich')
try:
# checking mpich install
self.mpichinstall = subprocess.check_output([
"ssh", hostlist[0], "command -v mpichversion"
]).rstrip()[:-len('bin/mpichversion')]
return True
except subprocess.CalledProcessError as excep:
print("Mpich not installed \n {}".format(excep))
return False
def get_environment(self, manager, log_file=None):
"""Get the environment variables to export for the daos_racer command.
Args:
manager (DaosServerManager): the job manager used to start
daos_server from which the server config values can be obtained
to set the required environment variables.
Returns:
EnvironmentVariables: a dictionary of environment variable names and
values to export prior to running daos_racer
"""
env = super().get_environment(manager, log_file)
env["OMPI_MCA_btl_openib_warn_default_gid_prefix"] = "0"
env["OMPI_MCA_btl"] = "tcp,self"
env["OMPI_MCA_oob"] = "tcp"
env["OMPI_MCA_pml"] = "ob1"
env["D_LOG_MASK"] = "ERR"
if not load_mpi("openmpi"):
raise MPILoadError("openmpi")
env["LD_LIBRARY_PATH"] = os.environ["LD_LIBRARY_PATH"]
return env
def run_subtest(self):
"""Run daos_test with a subtest argument."""
subtest = self.params.get("daos_test", self.TEST_PATH)
num_clients = self.params.get("num_clients",
'/run/daos_tests/num_clients/*')
num_replicas = self.params.get("num_replicas",
'/run/daos_tests/num_replicas/*')
scm_size = self.params.get("scm_size", '/run/pool/*')
nvme_size = self.params.get("nvme_size", '/run/pool/*')
args = self.params.get("args", self.TEST_PATH, "")
dmg = self.get_dmg_command()
dmg_config_file = dmg.yaml.filename
cmd = " ".join(
[
self.orterun,
self.client_mca,
"-n", str(num_clients),
"-x", "=".join(["D_LOG_FILE", get_log_file(self.client_log)]),
"-x", "D_LOG_MASK=DEBUG",
"-x", "DD_MASK=mgmt,io,md,epc,rebuild",
self.daos_test,
"-s", str(num_replicas),
"-n", dmg_config_file,
"".join(["-", subtest]),
str(args)
]
)
env = {}
env['CMOCKA_XML_FILE'] = os.path.join(self.outputdir, "%g_results.xml")
env['CMOCKA_MESSAGE_OUTPUT'] = "xml"
env['POOL_SCM_SIZE'] = "{}".format(scm_size)
if not nvme_size:
nvme_size = 0
env['POOL_NVME_SIZE'] = "{}".format(nvme_size)
load_mpi("openmpi")
try:
process.run(cmd, env=env)
except process.CmdError as result:
if result.result.exit_status != 0:
# fake a JUnit failure output
self.create_results_xml(self.subtest_name, result)
self.fail(
"{0} failed with return code={1}.\n".format(
cmd, result.result.exit_status))
def run_subtest(self):
"""Run daos_test with a subtest argument."""
subtest = self.params.get("daos_test", '/run/daos_tests/Tests/*')
num_clients = self.params.get("num_clients",
'/run/daos_tests/num_clients/*')
num_replicas = self.params.get("num_replicas",
'/run/daos_tests/num_replicas/*')
scm_size = self.params.get("scm_size", '/run/pool/*')
args = self.params.get("args", '/run/daos_tests/Tests/*', "")
cmd = "{} {} -n {} -x D_LOG_FILE={} \
-x D_LOG_MASK=DEBUG -x DD_MASK=mgmt,io,md,epc,rebuild \
{} -s {} -n {} {}".format(self.orterun,
self.client_mca, num_clients,
get_log_file(self.client_log),
self.daos_test, num_replicas, subtest,
args)
env = {}
env['CMOCKA_XML_FILE'] = "%g_results.xml"
env['CMOCKA_MESSAGE_OUTPUT'] = "xml"
env['POOL_SCM_SIZE'] = "{}".format(scm_size)
load_mpi("openmpi")
try:
process.run(cmd, env=env)
except process.CmdError as result:
if result.result.exit_status is not 0:
# fake a JUnit failure output
with open(self.subtest_name + "_results.xml",
"w") as results_xml:
results_xml.write('''<?xml version="1.0" encoding="UTF-8"?>
<testsuite name="{0}" errors="1" failures="0" skipped="0" tests="1" time="0.0">
<testcase name="ALL" time="0.0" >
<error message="Test failed to start up"/>
<system-out>
<![CDATA[{1}]]>
</system-out>
<system-err>
<![CDATA[{2}]]>
</system-err>
</testcase>
</testsuite>'''.format(self.subtest_name, result.result.stdout,
result.result.stderr))
self.fail("{0} failed with return code={1}.\n".format(
cmd, result.result.exit_status))
def __init__(self, job, subprocess=False, mpitype="openmpi"):
"""Create a Mpirun object.
Args:
job (ExecutableCommand): command object to manage.
subprocess (bool, optional): whether the command is run as a
subprocess. Defaults to False.
"""
load_mpi(mpitype)
path = os.path.dirname(find_executable("mpirun"))
super(Mpirun, self).__init__(
"/run/mpirun", "mpirun", job, path, subprocess)
self.hostfile = FormattedParameter("-hostfile {}", None)
self.processes = FormattedParameter("-np {}", 1)
self.ppn = FormattedParameter("-ppn {}", None)
self.envlist = FormattedParameter("-envlist {}", None)
self.mpitype = mpitype
def run_test(self, test_repo, test_name):
"""
Executable function to be used by test functions below
test_repo --location of test repository
test_name --name of the test to be run
"""
# Required to run daos command
load_mpi("openmpi")
# create container
self._create_cont()
# initialize MpioUtils
self.mpio = MpioUtils()
if not self.mpio.mpich_installed(self.hostlist_clients):
self.fail("Exiting Test: Mpich not installed")
# initialize test specific variables
client_processes = self.params.get("np", '/run/client_processes/')
try:
# running tests
self.mpio.run_mpiio_tests(self.hostfile_clients, self.pool.uuid,
self.pool.svc_ranks, test_repo,
test_name, client_processes,
self.cont_uuid)
except MpioFailed as excep:
self.fail("<{0} Test Failed> \n{1}".format(test_name, excep))
# Parsing output to look for failures
# stderr directed to stdout
stdout = os.path.join(self.logdir, "stdout")
searchfile = open(stdout, "r")
error_message = [
"non-zero exit code", "MPI_Abort", "MPI_ABORT", "ERROR"
]
for line in searchfile:
for error in error_message:
if error in line:
self.fail(
"Test Failed with error_message: {}".format(error))
def run(self):
"""Run the mpirun command.
Raises:
CommandFailure: if there is an error running the command
"""
if not load_mpi(self.mpitype):
raise CommandFailure("Failed to load {}".format(self.mpitype))
return super(Mpirun, self).run()
def run(self):
"""Run the orterun command.
Raises:
CommandFailure: if there is an error running the command
"""
if not load_mpi("openmpi"):
raise CommandFailure("Failed to load openmpi")
return super().run()
def run(self):
"""Run the mpirun command.
Raises:
CommandFailure: if there is an error running the command
"""
if not load_mpi(self.mpi_type):
raise MPILoadError(self.mpi_type)
return super().run()
def mpich_installed(self, hostlist):
"""Check if mpich is installed.
Args:
hostlist (list): list of hosts
Returns:
bool: whether mpich is installed on the first host in the list
"""
load_mpi('mpich')
try:
# checking mpich install
cmd = "/usr/bin/ssh {} command -v mpichversion".format(hostlist[0])
result = run_command(cmd)
self.mpichinstall = \
result.stdout.rstrip()[:-len('bin/mpichversion')]
return True
except DaosTestError as excep:
print("Mpich not installed \n {}".format(excep))
return False
def run_simul(self, include=None, exclude=None, raise_exception=True):
""" Run simul
include str: comma-separated list of tests to include
exclude str: comma-separated list of tests to exclude
If include value is set, exclude value is ignored and vice versa.
"""
mpi_type = self.params.get("mpi_type", "/run/*", "")
simul_path = self.params.get("simul_path", "/run/*", "")
# Create a pool
self.log.info("Create a pool")
self.add_pool()
# Create a container
self.log.info("Create container")
self.add_container(self.pool)
# Setup dfuse
dfuse_hosts = self.agent_managers[0].hosts
dfuse_mount_dir = self.params.get("mount_dir", '/run/dfuse/*')
self.start_dfuse(dfuse_hosts, self.pool, self.container)
self.dfuse.check_running()
# The use of MPI here is to run in parallel all simul tests on a single host.
if not load_mpi(mpi_type):
raise MPILoadError(mpi_type)
# Run simul
sumil_cmd = os.path.join(simul_path, "simul")
if include and not exclude:
cmd = "{0} -vv -d {1} -i {2}".format(sumil_cmd, dfuse_mount_dir,
include)
elif exclude and not include:
cmd = "{0} -vv -d {1} -e {2}".format(sumil_cmd, dfuse_mount_dir,
exclude)
else:
self.fail(
"##Both include and exclude tests are selected both or empty.")
self.log.info("Running simul on %s", mpi_type)
try:
result = run_command(cmd,
output_check="combined",
raise_exception=raise_exception)
finally:
self.stop_dfuse()
return result
def configure_mpi(env):
"""Check if mpi exists and configure environment"""
if GetOption('help'):
return True
env['CXX'] = None
if env.subst("$MPI_PKG") != "":
return _configure_mpi_pkg(env)
for mpi in ['openmpi', 'mpich']:
if not load_mpi(mpi):
continue
if _find_mpicc(env):
print("%s is installed" % mpi)
return True
print("No %s installed and/or loaded" % mpi)
print("No MPI installed")
return False
def configure_mpi(env, libs, required=None):
"""Check if mpi exists and configure environment"""
if env.subst("$MPI_PKG") != "":
return _configure_mpi_pkg(env, libs)
mpis = ['openmpi', 'mpich']
if not required is None:
if isinstance(required, str):
mpis = [required]
else:
mpis = required
for mpi in mpis:
if not load_mpi(mpi):
continue
comp = mpi
if mpi == "openmpi":
comp = "ompi"
if _find_mpicc(env):
print("%s is installed" % mpi)
return comp
print("No %s installed and/or loaded" % mpi)
print("No MPI installed")
return None
elif "No such process" in e:
print("The daos_server process is no longer available"
" and could not be killed.")
else:
print("Unable to shut down DAOS server: {}".format(e))
if __name__ == "__main__":
"""
Start a DAOS server and then run the four stages of the client.
"""
print("Running rdb tests")
rc = 0
binfo = BuildInfo(os.path.join(build_root, ".build_vars.json"));
debug_cmds = "-x D_LOG_MASK=DEBUG,RPC=ERR,MEM=ERR " + \
"-x DD_SUBSYS=all -x DD_MASK=all"
load_mpi('openmpi')
orterun = find_executable('orterun')
if orterun is None:
raise ServerFailedToStart("No orterun installed")
try:
# Server operations
p = start_server(binfo, orterun)
counter = 0
daos_server = daos_server_pid()
while daos_server is None:
if counter >= 120:
raise ServerTimedOut("No DAOS server process detected before "\
"timeout")
counter += 1
print("The daos_server process is no longer available"
" and could not be killed.")
else:
print("Unable to shut down DAOS server: {}".format(e))
if __name__ == "__main__":
"""
Start a DAOS server and then run the four stages of the client.
"""
print("Running rdb tests")
rc = 0
binfo = BuildInfo(os.path.join(build_root, ".build_vars.json"))
debug_cmds = "-x D_LOG_MASK=DEBUG,RPC=ERR,MEM=ERR " + \
"-x DD_SUBSYS=all -x DD_MASK=all"
if not load_mpi('openmpi'):
raise ServerFailedToStart("No orterun installed")
orterun = find_executable('orterun')
if orterun is None:
raise ServerFailedToStart("No orterun installed")
try:
# Server operations
p = start_server(binfo, orterun)
counter = 0
daos_server = daos_server_pid()
while daos_server is None:
if counter >= 120:
raise ServerTimedOut("No DAOS server process detected before "\
"timeout")
def run_subtest(self):
"""Run daos_test with a subtest argument."""
subtest = self.get_test_param("daos_test")
num_clients = self.get_test_param("num_clients")
if num_clients is None:
num_clients = self.params.get("num_clients", '/run/daos_tests/*')
scm_size = self.params.get("scm_size", '/run/pool/*')
nvme_size = self.params.get("nvme_size", '/run/pool/*')
args = self.get_test_param("args", "")
stopped_ranks = self.get_test_param("stopped_ranks", [])
dmg = self.get_dmg_command()
dmg_config_file = dmg.yaml.filename
if self.hostlist_clients:
dmg.copy_certificates(get_log_file("daosCA/certs"),
self.hostlist_clients)
dmg.copy_configuration(self.hostlist_clients)
self.client_mca += " --mca btl_tcp_if_include eth0"
cmd = " ".join([
self.orterun, self.client_mca, "-n",
str(num_clients), "--hostfile", self.hostfile_clients, "-x",
"=".join(["D_LOG_FILE",
get_log_file(self.client_log)]), "--map-by node", "-x",
"D_LOG_MASK=DEBUG", "-x", "DD_MASK=mgmt,io,md,epc,rebuild",
self.daos_test, "-n", dmg_config_file, "".join(["-", subtest]),
str(args)
])
env = {}
env['CMOCKA_XML_FILE'] = os.path.join(self.outputdir,
"%g_cmocka_results.xml")
env['CMOCKA_MESSAGE_OUTPUT'] = "xml"
env['POOL_SCM_SIZE'] = "{}".format(scm_size)
if not nvme_size:
nvme_size = 0
env['POOL_NVME_SIZE'] = "{}".format(nvme_size)
if not load_mpi("openmpi"):
self.fail("Failed to load openmpi")
# Update the expected status for each ranks that will be stopped by this
# test to avoid a false failure during tearDown().
if "random" in stopped_ranks:
# Set each expected rank state to be either stopped or running
for manager in self.server_managers:
manager.update_expected_states(
None, ["Joined", "Stopped", "Evicted"])
else:
# Set the specific expected rank state to stopped
for rank in stopped_ranks:
for manager in self.server_managers:
manager.update_expected_states(rank,
["Stopped", "Evicted"])
try:
process.run(cmd, env=env)
except process.CmdError as result:
if result.result.exit_status != 0:
# fake a JUnit failure output
self.create_results_xml(self.subtest_name, result)
self.fail("{0} failed with return code={1}.\n".format(
cmd, result.result.exit_status))
def run_server(test,
hostfile,
setname,
uri_path=None,
env_dict=None,
clean=True):
# pylint: disable=unused-argument
"""Launch DAOS servers in accordance with the supplied hostfile.
Args:
test (Test): avocado Test object
hostfile (str): hostfile defining on which hosts to start servers
setname (str): session name
uri_path (str, optional): path to uri file. Defaults to None.
env_dict (dict, optional): dictionary on env variable names and values.
Defaults to None.
clean (bool, optional): clean the mount point. Defaults to True.
Raises:
ServerFailed: if there is an error starting the servers
"""
global SESSIONS # pylint: disable=global-variable-not-assigned
try:
servers = ([
line.split(' ')[0] for line in genio.read_all_lines(hostfile)
])
server_count = len(servers)
# Pile of build time variables
with open("../../.build_vars.json") as json_vars:
build_vars = json.load(json_vars)
# Create the DAOS server configuration yaml file to pass
# with daos_server -o <FILE_NAME>
print("Creating the server yaml file in {}".format(test.tmp))
server_yaml = os.path.join(test.tmp, AVOCADO_FILE)
server_config = DaosServerConfig()
server_config.get_params(test)
access_points = ":".join((servers[0], str(server_config.port)))
server_config.access_points.value = access_points.split()
server_config.update_log_files(getattr(test, "control_log"),
getattr(test, "helper_log"),
getattr(test, "server_log"))
server_config.create_yaml(server_yaml)
# first make sure there are no existing servers running
print("Removing any existing server processes")
kill_server(servers)
# clean the tmpfs on the servers
if clean:
print("Cleaning the server tmpfs directories")
result = pcmd(servers,
"find /mnt/daos -mindepth 1 -maxdepth 1 -print0 | "
"xargs -0r rm -rf",
verbose=False)
if len(result) > 1 or 0 not in result:
raise ServerFailed(
"Error cleaning tmpfs on servers: {}".format(", ".join(
[str(result[key]) for key in result if key != 0])))
load_mpi('openmpi')
orterun_bin = find_executable('orterun')
if orterun_bin is None:
raise ServerFailed("Can't find orterun")
server_cmd = [orterun_bin, "--np", str(server_count)]
server_cmd.extend(["--mca", "btl_openib_warn_default_gid_prefix", "0"])
server_cmd.extend(["--mca", "btl", "tcp,self"])
server_cmd.extend(["--mca", "oob", "tcp"])
server_cmd.extend(["--mca", "pml", "ob1"])
server_cmd.extend(["--hostfile", hostfile])
server_cmd.extend(["--enable-recovery", "--tag-output"])
# Add any user supplied environment
if env_dict is not None:
for key, value in env_dict.items():
os.environ[key] = value
server_cmd.extend(["-x", "{}={}".format(key, value)])
# the remote orte needs to know where to find daos, in the
# case that it's not in the system prefix
# but it should already be in our PATH, so just pass our
# PATH along to the remote
if build_vars["PREFIX"] != "/usr":
server_cmd.extend(["-x", "PATH"])
# Run server in insecure mode until Certificate tests are in place
server_cmd.extend([
os.path.join(build_vars["PREFIX"], "bin",
"daos_server"), "--debug", "--config", server_yaml,
"start", "-i", "--recreate-superblocks"
])
print("Start CMD>>>>{0}".format(' '.join(server_cmd)))
resource.setrlimit(resource.RLIMIT_CORE,
(resource.RLIM_INFINITY, resource.RLIM_INFINITY))
SESSIONS[setname] = subprocess.Popen(server_cmd,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
fdesc = SESSIONS[setname].stdout.fileno()
fstat = fcntl.fcntl(fdesc, fcntl.F_GETFL)
fcntl.fcntl(fdesc, fcntl.F_SETFL, fstat | os.O_NONBLOCK)
timeout = 600
start_time = time.time()
matches = 0
pattern = "DAOS I/O server.*started"
expected_data = "Starting Servers\n"
while True:
output = ""
try:
output = SESSIONS[setname].stdout.read()
except IOError as excpn:
if excpn.errno != errno.EAGAIN:
raise ServerFailed("Server didn't start: {}".format(excpn))
continue
match = re.findall(pattern, output)
expected_data += output
matches += len(match)
if not output or matches == server_count or \
time.time() - start_time > timeout:
print("<SERVER>: {}".format(expected_data))
if matches != server_count:
raise ServerFailed("Server didn't start!")
break
print("<SERVER> server started and took {} seconds to start".format(
time.time() - start_time))
except Exception as error:
print("<SERVER> Exception occurred: {0}".format(str(error)))
traceback.print_exception(error.__class__, error, sys.exc_info()[2])
# We need to end the session now -- exit the shell
try:
SESSIONS[setname].send_signal(signal.SIGINT)
time.sleep(5)
# get the stderr
error = SESSIONS[setname].stderr.read()
if SESSIONS[setname].poll() is None:
SESSIONS[setname].kill()
retcode = SESSIONS[setname].wait()
print("<SERVER> server start return code: {}\nstderr:\n{}".format(
retcode, error))
except KeyError:
pass
raise ServerFailed("Server didn't start!")