def _enable_bridge(self, name='br0'):
"""We need a bridge to have automatic DHCP configuration for the VM."""
logger.detail('Configuring the bridge')
hosts_br = self._get_bridge(self.hosts)
nobr_hosts = []
for host, br in hosts_br.iteritems():
if br is None:
logger.debug('No bridge on host %s', style.host(host))
nobr_hosts.append(host)
elif br != name:
logger.debug('Wrong bridge on host %s, destroying it',
style.host(host))
SshProcess('ip link set ' + br + ' down ; brctl delbr ' + br,
host).run()
nobr_hosts.append(host)
else:
logger.debug('Bridge %s is present on host %s',
style.emph('name'), style.host(host))
nobr_hosts = map(lambda x: x.address
if isinstance(x, Host) else x, nobr_hosts)
if len(nobr_hosts) > 0:
logger.debug('Creating bridge on %s', hosts_list(nobr_hosts))
script = 'export br_if=`ip route |grep default |cut -f 5 -d " "`; \n' + \
'ifdown $br_if ; \n' + \
'sed -i "s/$br_if inet dhcp/$br_if inet manual/g" /etc/network/interfaces ; \n' + \
'sed -i "s/auto $br_if//g" /etc/network/interfaces ; \n' + \
'echo " " >> /etc/network/interfaces ; \n' + \
'echo "auto ' + name + '" >> /etc/network/interfaces ; \n' + \
'echo "iface ' + name + ' inet dhcp" >> /etc/network/interfaces ; \n' + \
'echo " bridge_ports $br_if" >> /etc/network/interfaces ; \n' + \
'echo " bridge_stp off" >> /etc/network/interfaces ; \n' + \
'echo " bridge_maxwait 0" >> /etc/network/interfaces ; \n' + \
'echo " bridge_fd 0" >> /etc/network/interfaces ; \n' + \
'ifup ' + name
fd, br_script = mkstemp(dir='/tmp/', prefix='create_br_')
f = fdopen(fd, 'w')
f.write(script)
f.close()
self.fact.get_fileput(nobr_hosts, [br_script]).run()
self.fact.get_remote('nohup sh ' + br_script.split('/')[-1],
nobr_hosts).run()
logger.debug('Waiting for network restart')
if_up = False
nmap_tries = 0
while (not if_up) and nmap_tries < 20:
sleep(20)
nmap_tries += 1
nmap = Process('nmap ' +
' '.join([host for host in nobr_hosts]) +
' -p 22').run()
for line in nmap.stdout.split('\n'):
if 'Nmap done' in line:
if_up = line.split()[2] == line.split()[5].replace(
'(', '')
logger.debug('Network has been restarted')
logger.detail('All hosts have the bridge %s', style.emph(name))
def _enable_bridge(self, name='br0'):
"""We need a bridge to have automatic DHCP configuration for the VM."""
logger.detail('Configuring the bridge')
hosts_br = self._get_bridge(self.hosts)
nobr_hosts = []
for host, br in hosts_br.iteritems():
if br is None:
logger.debug('No bridge on host %s', style.host(host))
nobr_hosts.append(host)
elif br != name:
logger.debug('Wrong bridge on host %s, destroying it',
style.host(host))
SshProcess('ip link set ' + br + ' down ; brctl delbr ' + br,
host).run()
nobr_hosts.append(host)
else:
logger.debug('Bridge %s is present on host %s',
style.emph('name'), style.host(host))
nobr_hosts = map(lambda x: x.address if isinstance(x, Host) else x,
nobr_hosts)
if len(nobr_hosts) > 0:
logger.debug('Creating bridge on %s', hosts_list(nobr_hosts))
script = 'export br_if=`ip route |grep default |cut -f 5 -d " "`; \n' + \
'ifdown $br_if ; \n' + \
'sed -i "s/$br_if inet dhcp/$br_if inet manual/g" /etc/network/interfaces ; \n' + \
'sed -i "s/auto $br_if//g" /etc/network/interfaces ; \n' + \
'echo " " >> /etc/network/interfaces ; \n' + \
'echo "auto ' + name + '" >> /etc/network/interfaces ; \n' + \
'echo "iface ' + name + ' inet dhcp" >> /etc/network/interfaces ; \n' + \
'echo " bridge_ports $br_if" >> /etc/network/interfaces ; \n' + \
'echo " bridge_stp off" >> /etc/network/interfaces ; \n' + \
'echo " bridge_maxwait 0" >> /etc/network/interfaces ; \n' + \
'echo " bridge_fd 0" >> /etc/network/interfaces ; \n' + \
'ifup ' + name
fd, br_script = mkstemp(dir='/tmp/', prefix='create_br_')
f = fdopen(fd, 'w')
f.write(script)
f.close()
self.fact.get_fileput(nobr_hosts, [br_script]).run()
self.fact.get_remote('nohup sh ' + br_script.split('/')[-1],
nobr_hosts).run()
logger.debug('Waiting for network restart')
if_up = False
nmap_tries = 0
while (not if_up) and nmap_tries < 20:
sleep(20)
nmap_tries += 1
nmap = Process('nmap ' +
' '.join([host for host in nobr_hosts]) +
' -p 22').run()
for line in nmap.stdout.split('\n'):
if 'Nmap done' in line:
if_up = line.split()[2] == line.split()[5].replace('(',
'')
logger.debug('Network has been restarted')
logger.detail('All hosts have the bridge %s', style.emph(name))
def default(self, line):
global interrupted, workers, cores
interrupted = False
print 'interrupting previous command'
workers.kill()
execo.sleep(1)
print 'sending command: ' + line
workers = execo.Remote(line, cores).start()
def workflow(self, comb):
self.create_par_file(comb)
job_id = self.submit_job(comb)
logger.info('Combination %s will be treated by job %s',
slugify(comb), str(job_id))
while self.is_job_running(job_id):
sleep(10)
self.sweeper.done(comb)
def wait_hosts_up(hosts, timeout=300):
""" """
down_hosts = map(lambda x: x.address if isinstance(x, Host) else x, hosts)
fd, hosts_file = mkstemp(dir='/tmp/', prefix='hosts_')
f = fdopen(fd, 'w')
f.write('\n' + '\n'.join(down_hosts))
f.close()
timer = Timer()
while len(down_hosts) > 0 and timer.elapsed() < timeout:
nmap = Process("nmap -v -oG - -i %s -p 22 |grep Host|grep Status" %
(hosts_file, ),
shell=True).run()
logger.debug('timer: %s \nnmap output: \n%s', timer.elapsed(),
nmap.stdout.strip())
for line in nmap.stdout.strip().split('\n'):
s = line.split()[2]
host = s[s.find("(") + 1:s.find(")")]
if host in down_hosts:
logger.detail('%s is up', host)
down_hosts.remove(host)
Process('rm ' + hosts_file).run()
sleep(3)
return len(down_hosts) == 0
def wait_hosts_up(hosts, timeout=300):
""" """
down_hosts = map(lambda x: x.address if isinstance(x, Host) else x,
hosts)
fd, hosts_file = mkstemp(dir='/tmp/', prefix='hosts_')
f = fdopen(fd, 'w')
f.write('\n' + '\n'.join(down_hosts))
f.close()
timer = Timer()
while len(down_hosts) > 0 and timer.elapsed() < timeout:
nmap = Process("nmap -v -oG - -i %s -p 22 |grep Host|grep Status" %
(hosts_file, ), shell=True).run()
logger.debug('timer: %s \nnmap output: \n%s', timer.elapsed(),
nmap.stdout.strip())
for line in nmap.stdout.strip().split('\n'):
s = line.split()[2]
host = s[s.find("(") + 1:s.find(")")]
if host in down_hosts:
logger.detail('%s is up', host)
down_hosts.remove(host)
Process('rm ' + hosts_file).run()
sleep(3)
return len(down_hosts) == 0
def run(self):
""" """
if self.options.oargrid_job_id is not None:
self.oar_job_id = self.options.oargrid_job_id
else:
self.oar_job_id = None
self.list_of_clusters = [
'parasilo', 'paravance', 'parapluie', 'paranoia'
]
try:
# Creation of the main iterator which is used for the first control loop.
self.define_parameters()
self.working_dir = '/data/jorouzaudcornabas_' + str(
self.options.storage5k_job_id)
job_is_dead = False
# While there are combinations to treat
while len(self.sweeper.get_remaining()) > 0:
# If no job, we make a reservation and prepare the hosts for the experiments
if self.oar_job_id is None:
self.submit_all_available_best_effort(
self.list_of_clusters, self.options.walltime)
# self.make_reservation_local()
# Wait that the job starts
logger.info('Waiting that the job start ' +
str(self.oar_job_id))
wait_oar_job_start(self.oar_job_id)
# Retrieving the hosts and subnets parameters
self.hosts = get_oar_job_nodes(self.oar_job_id)
# Hosts deployment and configuration
default_connection_params['user'] = '******'
logger.info("Start hosts configuration")
ex_log.setLevel('INFO')
#===============================================================
# deployment = Deployment(hosts = self.hosts,
# env_file='/home/sirimie/env/mywheezy-x64-base.env')
# self.hosts, _ = deploy(deployment)
#===============================================================
if len(self.hosts) == 0:
break
# Initializing the resources and threads
available_hosts = self.hosts
threads = {}
# Creating the unique folder for storing the results
comb_dir = self.result_dir + '/logs'
if not os.path.exists(comb_dir):
os.mkdir(comb_dir)
logger.info("Starting the thread " + str(self.is_job_alive()) +
" " + str(len(threads.keys())))
# Checking that the job is running and not in Error
while self.is_job_alive() or len(threads.keys()) > 0:
job_is_dead = False
while self.options.n_nodes > len(available_hosts):
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
available_hosts.append(tmp_threads[t]['host'])
del threads[t]
sleep(5)
if not self.is_job_alive():
job_is_dead = True
break
if job_is_dead:
break
# Getting the next combination
comb = self.sweeper.get_next()
if not comb:
while len(threads.keys()) > 0:
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
del threads[t]
logger.info('Waiting for threads to complete')
sleep(20)
break
host = available_hosts[0]
available_hosts = available_hosts[1:]
logger.info("Launching thread")
t = Thread(target=self.workflow,
args=(comb, host, comb_dir))
threads[t] = {'host': host}
t.daemon = True
t.start()
if not self.is_job_alive():
job_is_dead = True
if job_is_dead:
self.oar_job_id = None
finally:
if self.oar_job_id is not None:
if not self.options.keep_alive:
logger.info('Deleting job')
oardel([self.oar_job_id])
else:
logger.info('Keeping job alive for debugging')
def run(self):
""" """
if self.options.oargrid_job_id:
self.oargrid_job_id = self.options.oargrid_job_id
else:
self.oargrid_job_id = None
try:
# Creation of the main iterator which is used for the first control loop.
self.define_parameters()
job_is_dead = False
# While there are combinations to treat
while len(self.sweeper.get_remaining()) > 0:
# If no job, we make a reservation and prepare the hosts for the experiments
if self.oargrid_job_id is None:
self.make_reservation()
# Wait that the job starts
logger.info('Waiting that the job start')
wait_oargrid_job_start(self.oargrid_job_id)
# Retrieving the hosts and subnets parameters
self.hosts = get_oargrid_job_nodes(self.oargrid_job_id)
# Hosts deployment and configuration
default_connection_params['user'] = '******'
logger.info("Start hosts configuration")
ex_log.setLevel('INFO')
deployment = Deployment(
hosts=self.hosts,
env_file='/home/sirimie/env/mywheezy-x64-base.env')
self.hosts, _ = deploy(deployment)
Remote("rm -f /home/Work/sgcbntier/paasage_demo/csv/REQTASK_*",
self.hosts).run()
Remote(
"rm -f /home/Work/sgcbntier/paasage_demo/platform_aws.xml",
self.hosts).run()
Remote("rm -f /home/Work/sgcbntier/paasage_demo/cloud_ec2.xml",
self.hosts).run()
Put(self.hosts, [
"run_all_execo.py", "xml_gen_execo.py", "conf.xml",
"platform_aws.xml", "cloud_ec2.xml"
],
remote_location="/home/Work/sgcbntier/paasage_demo/").run(
)
logger.info("Done")
if len(self.hosts) == 0:
break
# Initializing the resources and threads
available_hosts = [
host for host in self.hosts for i in range(
get_host_attributes(host)['architecture']['smt_size'])
]
threads = {}
# Creating the unique folder for storing the results
comb_dir = self.result_dir + '/csv_results'
if not os.path.exists(comb_dir):
os.mkdir(comb_dir)
# Checking that the job is running and not in Error
while self.is_job_alive() or len(threads.keys()) > 0:
job_is_dead = False
while self.options.n_nodes > len(available_hosts):
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
available_hosts.append(tmp_threads[t]['host'])
del threads[t]
sleep(5)
if not self.is_job_alive():
job_is_dead = True
break
if job_is_dead:
break
# Getting the next combination
comb = self.sweeper.get_next()
if not comb:
while len(threads.keys()) > 0:
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
del threads[t]
logger.info('Waiting for threads to complete')
sleep(20)
break
host = available_hosts[0]
available_hosts = available_hosts[1:]
t = Thread(target=self.workflow,
args=(comb, host, comb_dir))
threads[t] = {'host': host}
t.daemon = True
t.start()
if not self.is_job_alive():
job_is_dead = True
if job_is_dead:
self.oargrid_job_id = None
finally:
if self.oargrid_job_id is not None:
if not self.options.keep_alive:
logger.info('Deleting job')
oargriddel([self.oargrid_job_id])
else:
logger.info('Keeping job alive for debugging')
def run(self):
num_total_workers = 0
sites_clusters_threads = {} # dict: keys = sites, values =
# dict: keys = clusters, values =
# list: threads
try:
while True:
t = Timer()
clusters_to_submit = set()
for clusterspec in self.get_clusters():
cluster, _, site = clusterspec.partition(".")
if site == "":
site = get_cluster_site(cluster)
clusters_to_submit.add((cluster, site))
for site in sites_clusters_threads.keys():
for cluster in sites_clusters_threads[site].keys():
sites_clusters_threads[site][cluster] = [
th for th in sites_clusters_threads[site][cluster]
if th.is_alive()
]
if len(sites_clusters_threads[site][cluster]) == 0:
del sites_clusters_threads[site][cluster]
if len(sites_clusters_threads[site]) == 0:
del sites_clusters_threads[site]
all_involved_sites = set(sites_clusters_threads.keys())
all_involved_sites.update([s for (c, s) in clusters_to_submit])
no_submissions = True
for site in all_involved_sites:
all_involved_clusters = set()
if sites_clusters_threads.has_key(site):
all_involved_clusters.update(
sites_clusters_threads[site].keys())
all_involved_clusters.update(
[c for (c, s) in clusters_to_submit if s == site])
for cluster in all_involved_clusters:
num_workers = 0
num_waiting = 0
if sites_clusters_threads.has_key(
site) and sites_clusters_threads[site].has_key(
cluster):
num_workers = len(
sites_clusters_threads[site][cluster])
num_waiting = len([
th
for th in sites_clusters_threads[site][cluster]
if th.waiting
])
num_max_new_workers = min(
self.options.max_workers - num_workers,
self.options.max_waiting - num_waiting)
logger.trace(
"rescheduling on cluster %s@%s: num_workers = %s / num_waiting = %s / num_max_new_workers = %s"
% (cluster, site, num_workers, num_waiting,
num_max_new_workers))
if num_max_new_workers > 0:
for worker_index in range(0, num_max_new_workers):
jobdata = self.get_job(cluster)
if not jobdata:
break
no_submissions = False
logger.detail(
"spawning worker %i on %s@%s" %
(num_total_workers, cluster, site))
(oarsubmission, data) = jobdata
th = Thread(target=self.worker_start,
args=(
cluster,
site,
oarsubmission,
data,
num_total_workers,
))
th.waiting = True
th.daemon = True
th.oarsublock = Lock()
th.willterminate = False
th.start()
num_total_workers += 1
if not sites_clusters_threads.has_key(site):
sites_clusters_threads[site] = {}
if not sites_clusters_threads[site].has_key(
cluster):
sites_clusters_threads[site][cluster] = []
sites_clusters_threads[site][cluster].append(
th)
if no_submissions and len(sites_clusters_threads) == 0:
break
sleep(self.options.schedule_delay)
logger.detail(
"no more combinations to explore. exit schedule loop")
finally:
for site in sites_clusters_threads.keys():
for cluster in sites_clusters_threads[site].keys():
for th in sites_clusters_threads[site][cluster]:
with th.oarsublock:
th.willterminate = True
if th.jobid:
logger.detail(
"cleaning: delete job %i of worker #%i on %s"
% (th.jobid, th.worker_index, site))
oardel([(th.jobid, site)])
th.jobid = None
def run(self):
"""The main experimental workflow, as described in
``Using the Execo toolkit to perform ...``
"""
self.force_options()
# The argument is a cluster
self.cluster = self.args[0]
self.frontend = get_cluster_site(self.cluster)
# Analyzing options
if self.options.oar_job_id:
self.oar_job_id = self.options.oar_job_id
else:
self.oar_job_id = None
try:
# Creation of the main iterator which is used for the first control loop.
# You need have a method called define_parameters, that returns a list of parameter dicts
self.create_paramsweeper()
job_is_dead = False
# While they are combinations to treat
while len(self.sweeper.get_remaining()) > 0:
# If no job, we make a reservation and prepare the hosts for the experiments
if self.oar_job_id is None:
self.make_reservation()
# Retrieving the hosts and subnets parameters
self.get_resources()
# Hosts deployment and configuration
if not self.options.no_hosts_setup:
self.setup_hosts()
if len(self.hosts) == 0:
break
# Initializing the resources and threads
available_hosts = list(self.hosts)
available_ip_mac = list(self.ip_mac)
threads = {}
# Checking that the job is running and not in Error
while self.is_job_alive()['state'] != 'Error' \
or len(threads.keys()) > 0:
# while get_oar_job_info(self.oar_job_id, self.frontend)['state'] != 'Error' \
# or len(threads.keys()) > 0:
job_is_dead = False
while self.options.n_nodes > len(available_hosts):
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
available_hosts.extend(tmp_threads[t]['hosts'])
available_ip_mac.extend(tmp_threads[t]['ip_mac'])
del threads[t]
sleep(5)
if self.is_job_alive()['state'] == 'Error':
job_is_dead = True
break
if job_is_dead:
break
# Getting the next combination
comb = self.sweeper.get_next()
if not comb:
while len(threads.keys()) > 0:
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
del threads[t]
logger.info('Waiting for threads to complete')
sleep(20)
break
used_hosts = available_hosts[0:self.options.n_nodes]
available_hosts = available_hosts[self.options.n_nodes:]
n_vm = self.comb_nvm(comb)
used_ip_mac = available_ip_mac[0:n_vm]
available_ip_mac = available_ip_mac[n_vm:]
t = Thread(target=self.workflow,
args=(comb, used_hosts, used_ip_mac))
threads[t] = {'hosts': used_hosts, 'ip_mac': used_ip_mac}
logger.debug('Threads: %s', len(threads))
t.daemon = True
t.start()
# if get_oar_job_info(self.oar_job_id, self.frontend)['state'] == 'Error':
if self.is_job_alive()['state'] == 'Error':
job_is_dead = True
if job_is_dead:
self.oar_job_id = None
finally:
if self.oar_job_id is not None:
if not self.options.keep_alive:
logger.info('Deleting job')
oardel([(self.oar_job_id, self.frontend)])
else:
logger.info('Keeping job alive for debugging')
def check_hosts_up(hosts,
timeout=None,
connection_params=None,
polling_interval=5):
"""Check that a list of host are joinable with ssh.
Checks that all hosts of the list are joinable with ssh. Retry
continuously to connect to them every <polling_interval> seconds,
until either all are reachable or the timeout is reached. Returns
the list of hosts which are joinable.
:param hosts: list of hosts
:param timeout: timeout of the checks. No timeout if None.
:param connection_params: to connect to the hosts. Note that the
ssh_option entry of the connection_params is overwritten by this
function
:param polling_interval: tries to connect each <polling_interval>
seconds.
:returns: list of joinable hosts
"""
start_ts = time.time()
if timeout != None:
completion_ts = start_ts + timeout
remaining_hosts = set(hosts)
if connection_params != None:
real_connection_params = connection_params
else:
real_connection_params = {}
while len(remaining_hosts) > 0 and (timeout == None
or time.time() <= completion_ts):
#print('remaining_hosts=%s' % (remaining_hosts,))
if timeout != None:
next_poll_ts = min(time.time() + polling_interval, completion_ts)
else:
next_poll_ts = time.time() + polling_interval
poll_timeout = max(0, next_poll_ts - time.time())
real_connection_params.update({
'ssh_options':
('-tt', '-o', 'BatchMode=yes', '-o', 'PasswordAuthentication=no',
'-o', 'StrictHostKeyChecking=no', '-o',
'UserKnownHostsFile=/dev/null', '-o',
'ConnectTimeout=%s' % (int(poll_timeout), ))
})
check = execo.Remote('true',
remaining_hosts,
connection_params=real_connection_params,
process_args={
'timeout': poll_timeout,
'nolog_exit_code': True,
'nolog_timeout': True
}).run()
hosts_up = [p.host for p in check.processes if p.finished_ok]
#print('hosts_up=%s' %(hosts_up,))
remaining_hosts = remaining_hosts.difference(hosts_up)
if len(remaining_hosts) > 0:
execo.sleep(max(0, next_poll_ts - time.time()))
return list(set(hosts).difference(remaining_hosts))
def run(self):
rtt_file = self.result_dir + "/rtt.csv"
resolver = None
client = 'tcpclient' if self.args.mode == 'tcp' else 'udpclient'
try:
logger.debug("Experiment ID: {}".format(self.exp_id))
if self.multi_site():
logger.info("Running in multi-site mode")
if not self.multi_site():
self.reserve_resources_singlejob()
logger.debug("Waiting for OAR job to start...")
g5k.wait_oar_job_start(*self.vmhosts_job)
self.prepare_subnet()
logger.debug("Prepared subnet")
# Dependencies (besides the obvious ones):
# - deploy_server depends on prepare_global_vlan
# - prepare_server depends on deploy_server
# - prepare_server depends on prepare_subnet
# - prepare_vm depends on deploy_server
if self.multi_site():
self.reserve_global_vlan()
g5k.wait_oar_job_start(*self.globalvlan_job)
logger.debug("Waiting for global VLAN job to start...")
self.prepare_global_vlan()
self.log_experimental_conditions()
logger.debug("Deploying VM hosts...")
machines_deploy_process = self.start_deploy_vmhosts()
logger.debug("Deploying server image...")
server_deploy_process = self.start_deploy_server()
machines_deploy_process.wait()
logger.debug("Finishing deploying VM hosts...")
self.finish_deploy_vmhosts(machines_deploy_process)
logger.debug("Setting up VM hosts...")
machines_setup_process = self.prepare_vmhosts()
machines_setup_process.wait()
logger.debug("VM hosts are setup.")
server_deploy_process.wait()
logger.debug("Finishing deploying server...")
self.finish_deploy_server(server_deploy_process)
logger.debug("Server is deployed.")
self.vm_process = self.start_all_vm()
# Ensure VM are killed when we exit
with self.vm_process:
server_setup_process = self.prepare_server()
self.wait_until_vm_ready()
vm_setup_process = self.prepare_vm()
server_setup_process.wait()
self.log_output(server_setup_process, "server_setup_process")
if not server_setup_process.ok:
logger.error(
"Error while preparing server, please check logs for 'server_setup_process'"
)
raise Exception
logger.debug("Prepared server: {}".format(self.server.address))
vm_setup_process.wait()
self.log_output(vm_setup_process, "vm_setup_process")
if not vm_setup_process.ok:
logger.error(
"Error while preparing VMs, please check logs for 'vm_setup_process'"
)
raise Exception
logger.debug("Prepared VM")
logger.info("Started {} VMs.".format(len(self.vm)))
cpunetlog_vms = self.start_cpunetlog(self.vm)
cpunetlog_server = self.start_cpunetlog(
[self.server], self.server_conn_params)
resolver = self.start_dns_server()
logger.info("Started resolver ({}) on {}.".format(
self.resolver_name, self.server.address))
# Leave time for resolver to start
if self.args.resolver_slots_per_thread < 1000000:
execo.sleep(15)
else:
execo.sleep(60)
logger.info("Starting {} on all VMs...".format(client))
clients = self.start_client_vm()
clients.wait()
logger.info("{} finished!".format(client))
logger.info("Writing cpunetlog output to disk.")
cpunetlog_server.kill().wait()
cpunetlog_vms.kill().wait()
self.log_output(cpunetlog_server, "cpunetlog_server")
self.log_output(cpunetlog_vms, "cpunetlog_vms")
logger.info("writing {} results to disk.".format(client))
self.log_output(clients, "clients", log_stdout=False)
with open(rtt_file, 'w') as rtt_output:
need_header = True
rtt = csv.writer(rtt_output)
for client_id, client in enumerate(clients.processes):
first_line = True
for line in iter(client.stdout.splitlines()):
# Skip anything that does not look like CSV
if ',' not in line:
continue
if need_header:
# Take CSV header from first client and add a column
data = line.split(",")
data.insert(0, "vm_id")
rtt.writerow(data)
need_header = False
first_line = False
elif first_line:
# Skip first line of subsequent clients
first_line = False
else:
# Add column with VM ID
data = line.split(",")
data.insert(0, client_id)
rtt.writerow(data)
except Exception as e:
logger.error("Exception raised: {}\n{}".format(e, format_exc()))
finally:
#self.kill_all_vm()
if self.vm_process:
self.vm_process.kill()
if resolver:
resolver.kill()
logger.debug("Waiting for resolver to exit")
resolver.wait()
self.log_output(resolver, "resolver")
if self.vm_process:
logger.debug("Waiting for VM to exit")
self.vm_process.wait()
logger.info("Resolver and all VMs are shut down")
self.log_output(self.vm_process, "vm_process")
print(execo.Report([self.vm_process]).to_string())
#for s in self.vm_process.processes:
# print("\n%s\nstdout:\n%s\nstderr:\n%s\n" % (s, s.stdout, s.stderr))
g5k.oardel([self.vmhosts_job])
def run(self):
num_total_workers = 0
sites_clusters_threads = {} # dict: keys = sites, values =
# dict: keys = clusters, values =
# list: threads
try:
while True:
t = Timer()
clusters_to_submit = set()
for clusterspec in self.get_clusters():
cluster, _, site = clusterspec.partition(".")
if site == "":
site = get_cluster_site(cluster)
clusters_to_submit.add((cluster, site))
for site in sites_clusters_threads.keys():
for cluster in sites_clusters_threads[site].keys():
sites_clusters_threads[site][cluster] = [
th
for th in sites_clusters_threads[site][cluster]
if th.is_alive() ]
if len(sites_clusters_threads[site][cluster]) == 0:
del sites_clusters_threads[site][cluster]
if len(sites_clusters_threads[site]) == 0:
del sites_clusters_threads[site]
all_involved_sites = set(sites_clusters_threads.keys())
all_involved_sites.update([ s for (c, s) in clusters_to_submit ])
no_submissions = True
for site in all_involved_sites:
all_involved_clusters = set()
if sites_clusters_threads.has_key(site):
all_involved_clusters.update(sites_clusters_threads[site].keys())
all_involved_clusters.update([ c for (c, s) in clusters_to_submit if s == site ])
for cluster in all_involved_clusters:
num_workers = 0
num_waiting = 0
if sites_clusters_threads.has_key(site) and sites_clusters_threads[site].has_key(cluster):
num_workers = len(sites_clusters_threads[site][cluster])
num_waiting = len([
th
for th in sites_clusters_threads[site][cluster]
if th.waiting ])
num_max_new_workers = min(self.options.max_workers - num_workers,
self.options.max_waiting - num_waiting)
logger.trace(
"rescheduling on cluster %s@%s: num_workers = %s / num_waiting = %s / num_max_new_workers = %s" %
(cluster, site, num_workers, num_waiting, num_max_new_workers))
if num_max_new_workers > 0:
for worker_index in range(0, num_max_new_workers):
jobdata = self.get_job(cluster)
if not jobdata:
break
no_submissions = False
logger.detail(
"spawning worker %i on %s@%s" % (
num_total_workers,
cluster, site))
(oarsubmission, data) = jobdata
th = Thread(target = self.worker_start,
args = (cluster, site,
oarsubmission, data,
num_total_workers,))
th.waiting = True
th.daemon = True
th.oarsublock = Lock()
th.willterminate = False
th.start()
num_total_workers += 1
if not sites_clusters_threads.has_key(site):
sites_clusters_threads[site] = {}
if not sites_clusters_threads[site].has_key(cluster):
sites_clusters_threads[site][cluster] = []
sites_clusters_threads[site][cluster].append(th)
if no_submissions and len(sites_clusters_threads) == 0:
break
sleep(self.options.schedule_delay)
logger.detail("no more combinations to explore. exit schedule loop")
finally:
for site in sites_clusters_threads.keys():
for cluster in sites_clusters_threads[site].keys():
for th in sites_clusters_threads[site][cluster]:
with th.oarsublock:
th.willterminate = True
if th.jobid:
logger.detail("cleaning: delete job %i of worker #%i on %s" % (
th.jobid, th.worker_index, site))
oardel([(th.jobid, site)])
th.jobid = None
def run(self):
"""The main experimental workflow, as described in
``Using the Execo toolkit to perform ...``
"""
self.force_options()
# The argument is a cluster
self.cluster = self.args[0]
self.frontend = get_cluster_site(self.cluster)
# Analyzing options
if self.options.oar_job_id:
self.oar_job_id = self.options.oar_job_id
else:
self.oar_job_id = None
try:
# Creation of the main iterator which is used for the first control loop.
# You need have a method called define_parameters, that returns a list of parameter dicts
self.create_paramsweeper()
job_is_dead = False
# While they are combinations to treat
while len(self.sweeper.get_remaining()) > 0:
# If no job, we make a reservation and prepare the hosts for the experiments
if self.oar_job_id is None:
self.make_reservation()
# Retrieving the hosts and subnets parameters
self.get_resources()
# Hosts deployment and configuration
if not self.options.no_hosts_setup:
self.setup_hosts()
if len(self.hosts) == 0:
break
# Initializing the resources and threads
available_hosts = list(self.hosts)
available_ip_mac = list(self.ip_mac)
threads = {}
# Checking that the job is running and not in Error
while get_oar_job_info(self.oar_job_id, self.frontend)['state'] != 'Error' \
or len(threads.keys()) > 0:
job_is_dead = False
while self.options.n_nodes > len(available_hosts):
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
available_hosts.extend(tmp_threads[t]['hosts'])
available_ip_mac.extend(
tmp_threads[t]['ip_mac'])
del threads[t]
sleep(5)
if get_oar_job_info(self.oar_job_id,
self.frontend)['state'] == 'Error':
job_is_dead = True
break
if job_is_dead:
break
# Getting the next combination
comb = self.sweeper.get_next()
if not comb:
while len(threads.keys()) > 0:
tmp_threads = dict(threads)
for t in tmp_threads:
if not t.is_alive():
del threads[t]
logger.info('Waiting for threads to complete')
sleep(20)
break
used_hosts = available_hosts[0:self.options.n_nodes]
available_hosts = available_hosts[self.options.n_nodes:]
n_vm = self.comb_nvm(comb)
used_ip_mac = available_ip_mac[0:n_vm]
available_ip_mac = available_ip_mac[n_vm:]
t = Thread(target=self.workflow,
args=(comb, used_hosts, used_ip_mac))
threads[t] = {'hosts': used_hosts, 'ip_mac': used_ip_mac}
logger.debug('Threads: %s', len(threads))
t.daemon = True
t.start()
if get_oar_job_info(self.oar_job_id,
self.frontend)['state'] == 'Error':
job_is_dead = True
if job_is_dead:
self.oar_job_id = None
finally:
if self.oar_job_id is not None:
if not self.options.keep_alive:
logger.info('Deleting job')
oardel([(self.oar_job_id, self.frontend)])
else:
logger.info('Keeping job alive for debugging')
worker_cmd = 'node pando.js/test/volunteer.js %s'
params = execo_g5k.default_oarsh_oarcp_params
if jobid:
try:
print 'Waiting for job to start'
execo_g5k.wait_oar_job_start(jobid, site)
print 'Retrieving nodes'
nodes = execo_g5k.get_oar_job_nodes(jobid, site)
# Open one connection per core (there are 8 cores per node in grenoble)
cores = nodes * 8
if (len(cores) >= 2):
print 'Starting server'
server = execo.TaktukRemote(server_cmd, cores[0])
with server.start():
execo.sleep(0.5)
(h, i, m) = server.expect(r'^(\/ip4\/172.*)')[0]
multiaddr = m.group()
print 'Starting workers with cmd: ' + worker_cmd % (multiaddr)
workers = execo.TaktukRemote(worker_cmd % (multiaddr),
cores[1:]).start()
workers.expect('Node ready')
print 'Workers ready'
start_time = time.time()
print 'Started processing'
server.expect('done')
stop_time = time.time()
print 'Processing done in %fs' % (stop_time - start_time)
print execo.Report([server, workers]).to_string()
for index, p in enumerate(server.processes):
with open('server-out.log', 'w') as f: