def test_nested_cycles(self):
watch = Watch()
def job(i):
return Job(co_print_sleep(watch, .2, f"job {i}"),
label=f"job{i}")
js1, js2, js3 = [job(i) for i in range(11, 14)]
s2 = Scheduler(Sequence(js1, js2, js3))
j1, j3 = job(1), job(3)
s1 = Scheduler(Sequence(j1, s2, j3))
self.assertTrue(s1.check_cycles())
# create cycle in subgraph
js1.requires(js3)
self.assertFalse(s1.check_cycles())
# restore in OK state
js1.requires(js3, remove=True)
self.assertTrue(s1.check_cycles())
# add cycle in toplevel
j1.requires(j3)
self.assertFalse(s1.check_cycles())
# restore in OK state
j1.requires(j3, remove=True)
self.assertTrue(s1.check_cycles())
# add one level down
s3 = Scheduler()
jss1, jss2, jss3 = [job(i) for i in range(111, 114)]
Sequence(jss1, jss2, jss3, scheduler=s3)
# surgery in s2; no cycles
s2.remove(js2)
s2.sanitize()
s2.add(s3)
s3.requires(js1)
js3.requires(s3)
self.assertTrue(s1.check_cycles())
# add cycle in s3
js1.requires(js3)
self.assertFalse(s1.check_cycles())
def run(*, gateway, slicename,
disaggregated_cn, operator_version, nodes, node_master, node_enb, quectel_nodes, phones, flexran,
drone, verbose, dry_run,
load_images, master_image, worker_image, quectel_image):
"""
Install K8S on R2lab
Arguments:
slicename: the Unix login name (slice name) to enter the gateway
quectel_nodes: list of indices of quectel UE nodes to use
phones: list of indices of phones to use
nodes: a list of node ids to run the scenario on; strings or ints
are OK;
node_master: the master node id, must be part of selected nodes
node_enb: the node id for the enb, which is connected to usrp/duplexer
disaggregated_cn: Boolean; True for the disaggregated CN scenario. False for all-in-one CN.
operator_version: str, either "none" or "v1" or "v2".
"""
if operator_version == "none":
only_kube5g = True
else:
only_kube5g = False
if node_master not in nodes:
print(f"master node {node_master} must be part of selected fit nodes {nodes}")
exit(1)
if node_enb not in nodes:
print(f"eNB worker node {node_enb} must be part of selected fit nodes {nodes}")
exit(1)
# Check if the browser can be automatically run to display the Drone app
if drone:
run_browser = True
if platform == "linux":
cmd_open = "xdg-open"
elif platform == "darwin":
cmd_open = "open"
else:
run_browser = False
if run_browser:
print(f"**** Will run the browser with command {cmd_open}")
else:
print(f"**** Will not be able to run the browser as platform is {platform}")
worker_ids = nodes[:]
worker_ids.remove(node_master)
quectel_ids = quectel_nodes[:]
quectel = len(quectel_ids) > 0
faraday = SshNode(hostname=default_gateway, username=slicename,
verbose=verbose,
formatter=TimeColonFormatter())
master = SshNode(gateway=faraday, hostname=fitname(node_master),
username="******",
verbose=verbose,
formatter=TimeColonFormatter())
node_index = {
id: SshNode(gateway=faraday, hostname=fitname(id),
username="******",formatter=TimeColonFormatter(),
verbose=verbose)
for id in nodes
}
nodes_quectel_index = {
id: SshNode(gateway=faraday, hostname=fitname(id),
username="******",formatter=TimeColonFormatter(),
verbose=verbose)
for id in quectel_nodes
}
worker_index = dict(node_index)
del worker_index[node_master]
fit_master = fitname(node_master)
fit_enb = fitname(node_enb)
# the global scheduler
scheduler = Scheduler(verbose=verbose)
##########
check_lease = SshJob(
scheduler=scheduler,
node = faraday,
critical = True,
verbose=verbose,
command = Run("rhubarbe leases --check"),
)
green_light = check_lease
if load_images:
green_light = [
SshJob(
scheduler=scheduler,
required=check_lease,
node=faraday,
critical=True,
verbose=verbose,
label = f"Load image {master_image} on master {fit_master}",
commands=[
Run(f"rhubarbe load {node_master} -i {master_image}"),
Run(f"rhubarbe wait {node_master}"),
]
),
SshJob(
scheduler=scheduler,
required=check_lease,
node=faraday,
critical=True,
verbose=verbose,
label = f"Load image {worker_image} on worker nodes",
commands=[
Run(f"rhubarbe usrpoff {node_enb}"), # if usrp is on, load could be problematic...
Run("rhubarbe", "load", *worker_ids, "-i", worker_image),
Run("rhubarbe", "wait", *worker_ids),
Run(f"rhubarbe usrpon {node_enb}"), # ensure a reset of the USRP on the enB node
],
),
SshJob(
scheduler=scheduler,
required=check_lease,
node=faraday,
critical=False,
verbose=verbose,
label="turning off unused nodes",
command=[
Run("rhubarbe bye --all "
+ "".join(f"~{x} " for x in nodes))
]
)
]
if quectel:
prepare_quectel = SshJob(
scheduler=scheduler,
required=green_light,
node=faraday,
critical=True,
verbose=verbose,
label = f"Load image {quectel_image} on quectel UE nodes",
commands=[
Run("rhubarbe", "usrpoff", *quectel_ids),
Run("rhubarbe", "load", *quectel_ids, "-i", quectel_image),
Run("rhubarbe", "wait", *quectel_ids),
Run("rhubarbe", "usrpon", *quectel_ids),
],
),
##########
if quectel:
# wait 30s for Quectel modules show up
wait_quectel_ready = PrintJob(
"Let Quectel modules show up",
scheduler=scheduler,
required=prepare_quectel,
sleep=30,
label="sleep 30s for the Quectel modules to show up"
)
# run the Quectel Connection Manager as a service on each Quectel UE node
quectelCM_service = Service(
command="quectel-CM -s oai.ipv4 -4",
service_id="QuectelCM",
verbose=verbose,
)
init_quectel_nodes = [
SshJob(
scheduler=scheduler,
required=wait_quectel_ready,
node=node,
critical=True,
verbose=verbose,
label=f"Init Quectel UE on fit node {id}",
commands = [
RunScript(find_local_embedded_script("nodes.sh"), "check-quectel-on", includes=INCLUDES),
quectelCM_service.start_command(),
],
) for id, node in nodes_quectel_index.items()
]
# wait 20s for Quectel Connection Manager to start up
wait_quectelCM_ready = PrintJob(
"Let QuectelCM start up",
scheduler=scheduler,
required=init_quectel_nodes,
sleep=20,
label="Sleep 20s for the Quectel Connection Manager(s) to start up"
)
detach_quectel_nodes = [
SshJob(
scheduler=scheduler,
required=wait_quectelCM_ready,
node=node,
critical=True,
verbose=verbose,
label=f"Detach Quectel UE on fit node {id}",
command = RunScript(find_local_embedded_script("nodes.sh"), "quectel-detach", includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
##########
# Initialize k8s on the master node
init_master = SshJob(
scheduler=scheduler,
required=green_light,
node=master,
critical=True,
verbose=verbose,
label = f"Install and launch k8s on the master {node_master}",
commands = [
Run("swapoff -a"),
Run("hostnamectl set-hostname master-node"),
Run("kubeadm init --pod-network-cidr=10.244.0.0/16 > /tmp/join_msg.txt"),
Run("tail -2 /tmp/join_msg.txt > /tmp/join_msg"),
Run("mkdir -p $HOME/.kube"),
Run("cp -i /etc/kubernetes/admin.conf $HOME/.kube/config"),
Run("chown $(id -u):$(id -g) $HOME/.kube/config"),
Run("kubectl apply -f https://raw.githubusercontent.com/coreos/flannel/master/Documentation/kube-flannel.yml"),
Run("kubectl get pods --all-namespaces"),
],
)
init_workers = [
SshJob(
scheduler=scheduler,
required=init_master,
node=node,
critical=True,
verbose=verbose,
label=f"Init k8s on fit node {id} and join the cluster",
commands = [
Run("swapoff -a"),
Run("increase-control-mtu"),
Run(f"scp -o 'StrictHostKeyChecking no' {fit_master}:/tmp/join_msg /tmp/join_msg"),
Run("chmod a+x /tmp/join_msg"),
Run("/tmp/join_msg"),
],
) for id, node in worker_index.items()
]
# wait 10s for K8S nodes setup
wait_k8nodes_ready = PrintJob(
"Let k8s set up",
scheduler=scheduler,
required=init_workers,
sleep=10,
label="sleep 10s for the k8s nodes to settle"
)
init_kube5g = SshJob(
scheduler=scheduler,
required = wait_k8nodes_ready,
node = master,
verbose=verbose,
label = f"Add oai:ran label to oai-ran pod on {node_enb} and start 5GOperator pod",
commands = [
Run("kubectl get nodes"),
# add label to the eNB node to help k8s scheduler selects the right fit node
Run(f"kubectl label nodes fit{node_enb} oai=ran"),
Run("kubectl get nodes -Loai"),
## retrieve the kube5g operator
#Run("git clone -b develop [email protected]:mosaic5g/kube5g.git"),
# install a few dependencies
Run("apt install -y python3-pip"),
Run("pip3 install --upgrade pip"),
Run("pip3 install ruamel.yaml==0.16.12 colorlog==4.6.2"),
Run("sed -i 's/oairan:v1-1.0-1/oairan:v1-1.0-3/g' /root/kube5g/common/config-manager/conf_global_default.yaml"),
# specify the R2lab specific configuration
Run("cd /root/kube5g/common/config-manager; ./conf-manager.py -s conf_short_r2lab.yaml"),
# apply the R2lab CRD
Run("cd /root/kube5g/openshift/kube5g-operator; ./k5goperator.sh -n"),
# start the kube5g operator pod
Run("cd /root/kube5g/openshift/kube5g-operator; ./k5goperator.sh container start"),
Run("kubectl get pods"),
],
)
# wait 30s for K8S 5G Operator setup
wait_k8_5GOp_ready = PrintJob(
"Let 5G Operator set up",
scheduler=scheduler,
required=init_kube5g,
sleep=30,
label="wait 30s for the 5G Operator pod to settle"
)
if only_kube5g:
finish = SshJob(
scheduler=scheduler,
required = wait_k8_5GOp_ready,
node = master,
verbose=verbose,
label = f"showing nodes and pods before leaving",
commands = [
Run("kubectl get nodes -Loai"),
Run("kubectl get pods"),
],
)
else:
if disaggregated_cn:
cn_type="disaggregated-cn"
# setup_time = 120
setup_time = 200
else:
cn_type="all-in-one"
# setup_time = 60
setup_time = 140
if flexran:
flexran_opt="flexran"
else:
flexran_opt=""
run_kube5g = SshJob(
scheduler=scheduler,
required = wait_k8_5GOp_ready,
node = master,
verbose=verbose,
label = f"deploy {operator_version} {cn_type} {flexran_opt} pods",
commands = [
Run("kubectl get nodes -Loai"),
Run(f"cd /root/kube5g/openshift/kube5g-operator; ./k5goperator.sh deploy {operator_version} {cn_type} {flexran_opt}"),
Run("kubectl get pods"),
],
)
# Coffee Break -- wait 1 or 2mn for K8S 5G pods setup
wait_k8_5Gpods_ready = PrintJob(
"Let all 5G pods set up",
scheduler=scheduler,
required=run_kube5g,
sleep=setup_time,
label=f"waiting {setup_time}s for all 5G pods to settle"
)
check_kube5g = SshJob(
scheduler=scheduler,
required = wait_k8_5Gpods_ready,
node = master,
verbose=verbose,
label = "Check which pods are deployed",
commands = [
Run("kubectl get nodes -Loai"),
Run("kubectl get pods"),
],
)
if drone:
# the place where runtime variables get stored
env = Variables()
#
# Define and run all the services to launch the Drone app locally on a firefox browser
#
drone_service = Service(
command=f"python /root/mosaic5g/store/sdk/frontend/drone/drone.py --port=8088 --tasks --address=192.168.3.{node_enb}",
service_id="drone_app",
verbose=verbose,
)
k8s_port9999_fwd_service = Service(
command=Deferred("kubectl port-forward {{flexran_pod}} 9999:9999 --address 0.0.0.0", env),
service_id="k8s-port9999-fwd",
verbose=verbose,
# somehow this is required for kubectl to run properly
environ={'KUBECONFIG': '/etc/kubernetes/admin.conf'}
)
# can't use a Service instance on the local box if it's not a Linux
# and we have macs...
local_port_fwd = (f"ssh -f -N -4"
f" -L9999:192.168.3.{node_master}:9999"
f" -L8088:192.168.3.{node_enb}:8088"
f" -o ExitOnForwardFailure=yes"
f" {slicename}@faraday.inria.fr")
browser_service = Service(
command=f"sleep 10; {cmd_open} http://127.0.0.1:8088/",
service_id="drone_browser",
verbose=verbose,
)
run_drone=SshJob(
scheduler=scheduler,
required=check_kube5g,
node=worker_index[node_enb],
verbose=verbose,
label=f"Run the drone app on worker node {node_enb} as a service",
commands=[
drone_service.start_command(),
],
)
get_flexran_podname=SshJob(
scheduler=scheduler,
required=check_kube5g,
node=master,
verbose=verbose,
label=f"Retrieve the name of the FlexRAN pod",
commands=[
# xxx here
Run("kubectl get --no-headers=true pods -l app=flexran -o custom-columns=:metadata.name",
capture=Capture('flexran_pod', env)),
],
)
run_k8s_port9999_fwd=SshJob(
scheduler=scheduler,
required=get_flexran_podname,
node=master,
verbose=verbose,
label=f"Run port forwarding on the master node as a service",
commands=[
k8s_port9999_fwd_service.start_command(),
],
)
# On the local machine, impossible to use Services as the latter uses systemd-run, only available on Linux
run_local_ports_fwd = SshJob(
scheduler=scheduler,
required = check_kube5g,
node = LocalNode(),
verbose=verbose,
label = f"Forward local ports 8088 and 9999",
command=Run(local_port_fwd + "&", ignore_outputs=True),
)
if run_browser:
run_local_browser = SshJob(
scheduler=scheduler,
required = (run_drone, run_k8s_port9999_fwd, run_local_ports_fwd),
node = LocalNode(),
verbose=verbose,
label = f"Run the browser on the local node in background",
command=browser_service.command+"&",
)
phones_requirements=run_local_browser
else:
phones_requirements=run_k8s_port9999_fwd
else:
phones_requirements=check_kube5g
########## Test phone(s) connectivity
sleeps_ran = (20, 25)
phone_msgs = [f"wait for {sleep}s for eNB to start up before waking up phone{id}"
for sleep, id in zip(sleeps_ran, phones)]
wait_commands = [f"echo {msg}; sleep {sleep}"
for msg, sleep in zip(phone_msgs, sleeps_ran)]
sleeps_phone = (15, 20)
phone2_msgs = [f"wait for {sleep}s for phone{id} before starting tests"
for sleep, id in zip(sleeps_phone, phones)]
wait2_commands = [f"echo {msg}; sleep {sleep}"
for msg, sleep in zip(phone2_msgs, sleeps_phone)]
job_start_phones = [
SshJob(
node=faraday,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("faraday.sh"), f"macphone{id}",
"r2lab-embedded/shell/macphone.sh", "phone-on",
includes=INCLUDES),
Run(wait2_command),
RunScript(find_local_embedded_script("faraday.sh"), f"macphone{id}",
"r2lab-embedded/shell/macphone.sh", "phone-check-cx",
includes=INCLUDES),
RunScript(find_local_embedded_script("faraday.sh"), f"macphone{id}",
"r2lab-embedded/shell/macphone.sh", "phone-start-app",
includes=INCLUDES),
],
label=f"turn off airplane mode on phone {id}",
required=phones_requirements,
scheduler=scheduler)
for id, wait_command, wait2_command in zip(phones, wait_commands, wait2_commands)
]
if quectel:
# wait 60s for Quectel connection(s) to set up
wait_before_attach_quectel = PrintJob(
"Wait again 30s before attaching Quectel device(s)",
scheduler=scheduler,
required=(job_start_phones,check_kube5g,detach_quectel_nodes),
sleep=30,
label="Sleep 30s before attaching Quectel device(s)"
)
job_attach_quectel = [
SshJob(
scheduler=scheduler,
required=wait_before_attach_quectel,
node=node,
critical=True,
verbose=verbose,
label=f"Attach Quectel UE on fit node {id}",
command = RunScript(find_local_embedded_script("nodes.sh"),
"quectel-attach", includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
# wait 30s for Quectel connection(s) to set up
wait_quectel_cx_ready = PrintJob(
"Let the Quectel connection(s) set up",
scheduler=scheduler,
required=job_attach_quectel,
sleep=30,
label="Sleep 30s for the Quectel connection(s) to set up"
)
test_quectel_cx = [
SshJob(
scheduler=scheduler,
required=wait_quectel_cx_ready,
node=node,
critical=False,
verbose=verbose,
label=f"Check the Quectel cx on fit node {id}",
command = RunScript(find_local_embedded_script("nodes.sh"),
"check-quectel-cx", includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
##########
# Update the .dot and .png file for illustration purposes
scheduler.check_cycles()
name = "deploy-kube5g"
print(10*'*', 'See main scheduler in',
scheduler.export_as_pngfile(name))
# orchestration scheduler jobs
if verbose:
scheduler.list()
if dry_run:
return True
if not scheduler.orchestrate():
print(f"RUN KO : {scheduler.why()}")
scheduler.debrief()
return False
print(f"RUN OK, you can log now on master node {fit_master} to manually change the scenario")
print(80*'*')
def run(
*,
# the pieces to use
slice,
hss,
epc,
enb,
phones,
e3372_ues,
oai_ues,
gnuradios,
e3372_ue_xterms,
oai_ue_xterms,
gnuradio_xterms,
# boolean flags
load_nodes,
skip_reset_usb,
oscillo,
# the images to load
image_gw,
image_enb,
image_oai_ue,
image_e3372_ue,
image_gnuradio,
# miscell
n_rb,
verbose,
dry_run):
"""
##########
# 3 methods to get nodes ready
# (*) load images
# (*) reset nodes that are known to have the right image
# (*) do nothing, proceed to experiment
expects e.g.
* slice : s.t like [email protected]
* hss : 04
* epc : 03
* enb : 23
* phones: list of indices of phones to use
* e3372_ues : list of nodes to use as a UE using e3372
* oai_ues : list of nodes to use as a UE using OAI
* gnuradios : list of nodes to load with a gnuradio image
* image_* : the name of the images to load on the various nodes
Plus
* load_nodes: whether to load images or not - in which case
image_gw, image_enb and image_*
are used to tell the image names
* skip_reset_usb : the USRP board will be reset as well unless this is set
"""
# what argparse knows as a slice actually is a gateway (user + host)
gwuser, gwhost = r2lab_parse_slice(slice)
gwnode = SshNode(hostname=gwhost,
username=gwuser,
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
hostnames = hssname, epcname, enbname = [
r2lab_hostname(x) for x in (hss, epc, enb)
]
optional_ids = e3372_ues + oai_ues + gnuradios + \
e3372_ue_xterms + oai_ue_xterms + gnuradio_xterms
hssnode, epcnode, enbnode = [
SshNode(gateway=gwnode,
hostname=hostname,
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose) for hostname in hostnames
]
sched = Scheduler(verbose=verbose)
# preparation
job_check_for_lease = SshJob(
node=gwnode,
command=["rhubarbe", "leases", "--check"],
label="check we have a current lease",
scheduler=sched,
)
# turn off all nodes
turn_off_command = ["rhubarbe", "off", "-a"]
# except our 3 nodes and the optional ones
turn_off_command += [f"~{x}" for x in [hss, epc, enb] + optional_ids]
# only do the turn-off thing if load_nodes
if load_nodes:
job_off_nodes = SshJob( # pylint: disable=w0612
node=gwnode,
# switch off all nodes but the ones we use
command=turn_off_command,
label="turn off unused nodes",
required=job_check_for_lease,
scheduler=sched,
)
# actually run this in the gateway, not on the macphone
# the ssh keys are stored in the gateway and we do not yet have
# the tools to leverage such remote keys
job_stop_phones = [
SshJob( # pylint: disable=w0612
node=gwnode,
command=RunScript(
# script
find_local_embedded_script("faraday.sh"),
# arguments
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-off",
# options
includes=INCLUDES),
label=f"put phone{id} in airplane mode",
required=job_check_for_lease,
scheduler=sched,
) for id in phones
]
# prepare the image-loading phase
# this will be a dict of items imagename -> ids
to_load = defaultdict(list)
to_load[image_gw] += [hss, epc]
to_load[image_enb] += [enb]
if e3372_ues:
to_load[image_e3372_ue] += e3372_ues
if e3372_ue_xterms:
to_load[image_e3372_ue] += e3372_ue_xterms
if oai_ues:
to_load[image_oai_ue] += oai_ues
if oai_ue_xterms:
to_load[image_oai_ue] += oai_ue_xterms
if gnuradios:
to_load[image_gnuradio] += gnuradios
if gnuradio_xterms:
to_load[image_gnuradio] += gnuradio_xterms
prep_job_by_node = {}
for image, nodes in to_load.items():
commands = []
if load_nodes:
commands.append(Run("rhubarbe", "usrpoff", *nodes))
commands.append(Run("rhubarbe", "load", "-i", image, *nodes))
commands.append(Run("rhubarbe", "usrpon", *nodes))
# always do this
commands.append(Run("rhubarbe", "wait", "-t", 120, *nodes))
job = SshJob(
node=gwnode,
commands=commands,
label=f"Prepare node(s) {nodes}",
required=job_check_for_lease,
scheduler=sched,
)
for node in nodes:
prep_job_by_node[node] = job
# start services
job_service_hss = SshJob(
node=hssnode,
command=RunScript(find_local_embedded_script("oai-hss.sh"),
"run-hss",
epc,
includes=INCLUDES),
label="start HSS service",
required=prep_job_by_node[hss],
scheduler=sched,
)
delay = 15
job_service_epc = SshJob(
node=epcnode,
commands=[
Run(f"echo giving HSS a headstart {delay}s to warm up; sleep {delay}"
),
RunScript(find_local_embedded_script("oai-epc.sh"),
"run-epc",
hss,
includes=INCLUDES),
],
label="start EPC services",
required=prep_job_by_node[epc],
scheduler=sched,
)
# enodeb
job_warm_enb = SshJob(
node=enbnode,
commands=[
RunScript(find_local_embedded_script("oai-enb.sh"),
"warm-enb",
epc,
n_rb,
not skip_reset_usb,
includes=INCLUDES),
],
label="Warm eNB",
required=prep_job_by_node[enb],
scheduler=sched,
)
enb_requirements = (job_warm_enb, job_service_hss, job_service_epc)
# wait for everything to be ready, and add an extra grace delay
grace = 30 if load_nodes else 10
grace_delay = SshJob(
node=LocalNode(formatter=TimeColonFormatter()),
command=f"echo Allowing grace of {grace} seconds; sleep {grace}",
required=enb_requirements,
scheduler=sched,
)
# start services
job_service_enb = SshJob( # pylint: disable=w0612
node=enbnode,
# run-enb expects the id of the epc as a parameter
# n_rb means number of resource blocks for DL, set to either 25 or 50.
commands=[
RunScript(find_local_embedded_script("oai-enb.sh"),
"run-enb",
oscillo,
includes=INCLUDES,
x11=oscillo),
],
label="start softmodem on eNB",
required=grace_delay,
scheduler=sched,
)
# run experiment per se
# Manage phone(s)
# this starts at the same time as the eNB, but some
# headstart is needed so that eNB actually is ready to serve
delay = 12
msg = f"wait for {delay}s for enodeb to start up"
wait_command = f"echo {msg}; sleep {delay}"
job_start_phones = [
SshJob( # pylint: disable=w0612
node=gwnode,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-on",
includes=INCLUDES),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-start-app",
includes=INCLUDES),
],
label="start Nexus phone and speedtest app",
required=grace_delay,
scheduler=sched,
) for id in phones
]
job_ping_phones_from_epc = [
SshJob( # pylint: disable=w0612
node=epcnode,
commands=[
Run("sleep 10"),
Run(f"ping -c 100 -s 100 -i .05 172.16.0.{id+1} &> /root/ping-phone"
),
],
label="ping Nexus phone from EPC",
critical=False,
required=job_start_phones,
) for id in phones
]
# xterm nodes
colors = ["wheat", "gray", "white", "darkolivegreen"]
xterms = e3372_ue_xterms + oai_ue_xterms + gnuradio_xterms
for xterm, color in zip(xterms, itertools.cycle(colors)):
xterm_node = SshNode(gateway=gwnode,
hostname=r2lab_hostname(xterm),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
SshJob(
node=xterm_node,
command=Run(
f"xterm -fn -*-fixed-medium-*-*-*-20-*-*-*-*-*-*-*"
f" -bg {color} -geometry 90x10",
x11=True),
label="xterm on node {xterm_node.hostname}",
required=prep_job_by_node[xterm],
scheduler=sched,
# don't set forever; if we do, then these xterms get killed
# when all other tasks have completed
# forever = True,
)
# # remove dangling requirements - if any - should not be needed but won't hurt either
sched.sanitize()
print(20 * "*", "nodes usage summary")
if load_nodes:
for image, nodes in to_load.items():
for node in nodes:
print(f"node {node} : {image}")
else:
print("NODES ARE USED AS IS (no image loaded, no reset)")
print(10 * "*", "phones usage summary")
if phones:
for phone in phones:
print(f"Using phone{phone}")
else:
print("No phone involved")
sched.check_cycles()
# Update the .dot and .png file for illustration purposes
if verbose or dry_run:
sched.list()
name = "scenario-load" if load_nodes else \
"scenario"
sched.export_as_dotfile(f"{name}.dot")
os.system(f"dot -Tpng {name}.dot -o {name}.png")
print(f"(Over)wrote {name}.png")
if dry_run:
return False
if verbose:
input('OK ? - press control C to abort ? ')
if not sched.orchestrate():
print(f"RUN KO : {sched.why()}")
sched.debrief()
return False
else:
print("RUN OK")
return True
def run(*, gateway, slicename, nodes, node_epc, node_enb, quectel_nodes,
phones, verbose, dry_run, load_images, epc_image, enb_image,
quectel_image):
"""
Launch latest OAICI EPC and eNB Docker images on R2lab
Arguments:
slicename: the Unix login name (slice name) to enter the gateway
quectel_nodes: list of indices of quectel UE nodes to use
phones: list of indices of phones to use
nodes: a list of node ids to run the scenario on; strings or ints
are OK;
node_epc: the node id on which to run the EPC
node_enb: the node id for the enb, which is connected to B210/eNB-duplexer
"""
quectel_ids = quectel_nodes[:]
quectel = len(quectel_ids) > 0
faraday = SshNode(hostname=default_gateway,
username=slicename,
verbose=verbose,
formatter=TimeColonFormatter())
epc = SshNode(gateway=faraday,
hostname=fitname(node_epc),
username="******",
verbose=verbose,
formatter=TimeColonFormatter())
node_index = {
id: SshNode(gateway=faraday,
hostname=fitname(id),
username="******",
formatter=TimeColonFormatter(),
verbose=verbose)
for id in nodes
}
nodes_quectel_index = {
id: SshNode(gateway=faraday,
hostname=fitname(id),
username="******",
formatter=TimeColonFormatter(),
verbose=verbose)
for id in quectel_nodes
}
allnodes = nodes + quectel_nodes
fit_epc = fitname(node_epc)
fit_enb = fitname(node_enb)
# the global scheduler
scheduler = Scheduler(verbose=verbose)
##########
check_lease = SshJob(
scheduler=scheduler,
node=faraday,
critical=True,
verbose=verbose,
command=Run("rhubarbe leases --check"),
)
green_light = check_lease
if load_images:
green_light = [
SshJob(scheduler=scheduler,
required=check_lease,
node=faraday,
critical=True,
verbose=verbose,
label=f"Load image {epc_image} on {fit_epc}",
commands=[
Run(f"rhubarbe load {node_epc} -i {epc_image}"),
Run(f"rhubarbe wait {node_epc}"),
RunScript("oaici.sh", "init-epc", node_epc, node_enb),
]),
SshJob(
scheduler=scheduler,
required=check_lease,
node=faraday,
critical=True,
verbose=verbose,
label=f"Load image {enb_image} on {fit_enb}",
commands=[
Run(f"rhubarbe usrpoff {node_enb}"
), # if usrp is on, load could be problematic...
Run(f"rhubarbe load {node_enb} -i {enb_image}"),
Run(f"rhubarbe wait {node_enb}"),
Run(f"rhubarbe usrpon {node_enb}"
), # ensure a reset of the USRP on the enB node
RunScript("oaici.sh", "init-enb", node_enb, node_epc),
],
),
SshJob(scheduler=scheduler,
required=check_lease,
node=faraday,
critical=False,
verbose=verbose,
label="turning off unused nodes",
command=[
Run("rhubarbe bye --all " + "".join(f"~{x} "
for x in allnodes))
])
]
if quectel:
prepare_quectel = SshJob(
scheduler=scheduler,
required=check_lease,
node=faraday,
critical=True,
verbose=verbose,
label=f"Load image {quectel_image} on quectel UE nodes",
commands=[
Run("rhubarbe", "usrpoff", *quectel_ids),
Run("rhubarbe", "load", *quectel_ids, "-i", quectel_image),
Run("rhubarbe", "wait", *quectel_ids),
Run("rhubarbe", "usrpon", *quectel_ids),
],
),
##########
# Prepare the Quectel UE nodes
if quectel:
# wait 30s for Quectel modules show up
wait_quectel_ready = PrintJob(
"Let Quectel modules show up",
scheduler=scheduler,
required=prepare_quectel,
sleep=30,
label="sleep 30s for the Quectel modules to show up")
# run the Quectel Connection Manager as a service on each Quectel UE node
quectelCM_service = Service(
command="quectel-CM -s oai.ipv4 -4",
service_id="QuectelCM",
verbose=verbose,
)
init_quectel_nodes = [
SshJob(
scheduler=scheduler,
required=wait_quectel_ready,
node=node,
critical=True,
verbose=verbose,
label=f"Init Quectel UE on fit node {id}",
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"check-quectel-on",
includes=INCLUDES),
quectelCM_service.start_command(),
],
) for id, node in nodes_quectel_index.items()
]
# wait 20s for Quectel Connection Manager to start up
wait_quectelCM_ready = PrintJob(
"Let QuectelCM start up",
scheduler=scheduler,
required=init_quectel_nodes,
sleep=20,
label="Sleep 20s for the Quectel Connection Manager(s) to start up"
)
detach_quectel_nodes = [
SshJob(
scheduler=scheduler,
required=wait_quectelCM_ready,
node=node,
critical=True,
verbose=verbose,
label=f"Detach Quectel UE on fit node {id}",
command=RunScript(find_local_embedded_script("nodes.sh"),
"quectel-detach",
includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
##########
# Launch the EPC
start_epc = SshJob(
scheduler=scheduler,
required=green_light,
node=faraday,
critical=True,
verbose=verbose,
label=f"Launch EPC on {fit_epc}",
commands=[
RunScript("oaici.sh", "start-epc", node_epc),
],
)
# Launch the eNB
if quectel:
req = (start_epc, detach_quectel_nodes)
else:
req = start_epc
start_enb = SshJob(
scheduler=scheduler,
required=req,
node=faraday,
critical=True,
verbose=verbose,
label=f"Launch eNB on {fit_enb}",
commands=[
RunScript("oaici.sh", "start-enb", node_enb),
],
)
wait_ran_ready = PrintJob("Let the eNB start up",
scheduler=scheduler,
required=start_enb,
sleep=50,
label="sleep 50s for the eNB to start up")
########## Test phone(s) connectivity
sleeps_ran = (0, 10)
phone_msgs = [
f"wait again for {sleep}s before waking up phone{id}"
for sleep, id in zip(sleeps_ran, phones)
]
wait_commands = [
f"echo {msg}; sleep {sleep}"
for msg, sleep in zip(phone_msgs, sleeps_ran)
]
sleeps_phone = (10, 10)
phone2_msgs = [
f"wait for {sleep}s for phone{id} before starting tests"
for sleep, id in zip(sleeps_phone, phones)
]
wait2_commands = [
f"echo {msg}; sleep {sleep}"
for msg, sleep in zip(phone2_msgs, sleeps_phone)
]
job_start_phones = [
SshJob(node=faraday,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-on",
includes=INCLUDES),
Run(wait2_command),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-check-cx",
includes=INCLUDES),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-start-app",
includes=INCLUDES),
],
label=f"turn off airplane mode on phone {id}",
required=wait_ran_ready,
scheduler=scheduler) for id, wait_command, wait2_command in zip(
phones, wait_commands, wait2_commands)
]
if quectel:
job_attach_quectel = [
SshJob(
scheduler=scheduler,
required=(job_start_phones, wait_ran_ready,
detach_quectel_nodes),
node=node,
critical=True,
verbose=verbose,
label=f"Attach Quectel UE on fit node {id}",
command=RunScript(find_local_embedded_script("nodes.sh"),
"quectel-attach",
includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
# wait 30s for Quectel connection to set up
wait_quectel_cx_ready = PrintJob(
"Let the Quectel connection(s) set up",
scheduler=scheduler,
required=job_attach_quectel,
sleep=30,
label="Sleep 30s for the Quectel connection(s) to set up")
test_quectel_cx = [
SshJob(
scheduler=scheduler,
required=wait_quectel_cx_ready,
node=node,
verbose=verbose,
label=f"Check the Quectel cx on fit node {id}",
command=RunScript(find_local_embedded_script("nodes.sh"),
"check-quectel-cx",
includes=INCLUDES),
) for id, node in nodes_quectel_index.items()
]
##########
# Update the .dot and .png file for illustration purposes
scheduler.check_cycles()
name = "deploy-oaici"
print(10 * '*', 'See main scheduler in', scheduler.export_as_pngfile(name))
# orchestration scheduler jobs
if verbose:
scheduler.list()
if dry_run:
return True
if not scheduler.orchestrate():
print(f"RUN KO : {scheduler.why()}")
scheduler.debrief()
return False
print(
f"RUN OK, you can log now on the EPC node {fit_epc} and the eNB node {fit_enb} to check the logs"
)
print(80 * '*')
def run(*, # pylint: disable=r0912, r0914, r0915
# the pieces to use
slicename, cn, ran, phones,
e3372_ues, oai_ues, gnuradios,
e3372_ue_xterms, gnuradio_xterms, ns3,
# boolean flags
load_nodes, reset_usb, oscillo, tcp_streaming,
# the images to load
image_cn, image_ran, image_oai_ue, image_e3372_ue, image_gnuradio, image_T_tracer, image_ns3,
# miscell
n_rb, nodes_left_alone, T_tracer, publisher_ip, verbose, dry_run):
"""
##########
# 3 methods to get nodes ready
# (*) load images
# (*) reset nodes that are known to have the right image
# (*) do nothing, proceed to experiment
expects e.g.
* slicename : s.t like [email protected]
* cn : 7
* ran : 23
* ns3 : 32
* phones: list of indices of phones to use
* e3372_ues : list of nodes to use as a UE using e3372
* oai_ues : list of nodes to use as a UE using OAI
* gnuradios : list of nodes to load with a gnuradio image
* T_tracer : list of nodes to load with a tracer image
* image_* : the name of the images to load on the various nodes
Plus
* load_nodes: whether to load images or not - in which case
image_cn, image_ran and image_*
are used to tell the image names
* reset_usb : the USRP board will be reset when this is set
* tcp_streaming : set up TCP streaming scenario
* publisher_ip : IP address of the publisher
"""
# what argparse knows as a slice actually is about the gateway (user + host)
gwuser, gwhost = r2lab_parse_slice(slicename)
gwnode = SshNode(hostname=gwhost, username=gwuser,
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
hostnames = [r2lab_hostname(x) for x in (cn, ran)]
cnnode, rannode = [
SshNode(gateway=gwnode, hostname=hostname, username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
for hostname in hostnames
]
scheduler = Scheduler(verbose=verbose, label="CORE EXP")
########## prepare the image-loading phase
# focus on the experiment, and use
# prepare_testbed_scheduler later on to prepare testbed
# all we need to do at this point is compute a mapping dict
# image -> list-of-nodes
images_to_load = defaultdict(list)
images_to_load[image_cn] += [cn]
images_to_load[image_ran] += [ran]
if e3372_ues:
images_to_load[image_e3372_ue] += e3372_ues
if e3372_ue_xterms:
images_to_load[image_e3372_ue] += e3372_ue_xterms
if oai_ues:
images_to_load[image_oai_ue] += oai_ues
if gnuradios:
images_to_load[image_gnuradio] += gnuradios
if gnuradio_xterms:
images_to_load[image_gnuradio] += gnuradio_xterms
if T_tracer:
images_to_load[image_T_tracer] += T_tracer
if ns3:
images_to_load[image_ns3] += [ns3]
# start core network
job_start_cn = SshJob(
node=cnnode,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"), "configure",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"), "start",
includes=INCLUDES),
tcpdump_cn_service.start_command(),
],
label="start CN service",
scheduler=scheduler,
)
# prepare enodeb
reset_option = "-u" if reset_usb else ""
job_warm_ran = SshJob(
node=rannode,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"warm-up", reset_option,
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"configure -b", n_rb, cn,
includes=INCLUDES),
],
label="Configure eNB",
scheduler=scheduler,
)
ran_requirements = [job_start_cn, job_warm_ran]
###
if oai_ues:
# prepare OAI UEs
for ue in oai_ues:
ue_node = SshNode(gateway=gwnode, hostname=r2lab_hostname(ue), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
job_warm_ues = [
SshJob(
node=ue_node,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-oai-ue.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-oai-ue.sh"),
"warm-up", reset_option,
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-oai-ue.sh"),
"configure -b", n_rb,
includes=INCLUDES),
],
label=f"Configure OAI UE on fit{ue:02d}",
scheduler=scheduler)
]
ran_requirements.append(job_warm_ues)
###
if not load_nodes and phones:
job_turn_off_phones = SshJob(
node=gwnode,
commands=[
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{phone} phone-off")
for phone in phones],
scheduler=scheduler,
)
ran_requirements.append(job_turn_off_phones)
# wait for everything to be ready, and add an extra grace delay
grace = 5
grace_delay = PrintJob(
f"Allowing grace of {grace} seconds",
sleep=grace,
required=ran_requirements,
scheduler=scheduler,
label=f"settle for {grace}s",
)
# optionally start T_tracer
if T_tracer:
job_start_T_tracer = SshJob( # pylint: disable=w0612
node=SshNode(
gateway=gwnode, hostname=r2lab_hostname(T_tracer[0]), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose),
commands=[
Run(f"/root/trace {ran}",
x11=True),
],
label="start T_tracer service",
required=ran_requirements,
scheduler=scheduler,
)
# ran_requirements.append(job_start_T_tracer)
# start services
graphical_option = "-x" if oscillo else ""
graphical_message = "graphical" if oscillo else "regular"
tracer_option = " -T" if T_tracer else ""
# we use a Python variable for consistency
# although it not used down the road
_job_service_ran = SshJob(
node=rannode,
commands=[
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"start", graphical_option, tracer_option,
includes=INCLUDES,
x11=oscillo,
),
],
label=f"start {graphical_message} softmodem on eNB",
required=grace_delay,
scheduler=scheduler,
)
########## run experiment per se
# Manage phone(s) and OAI UE(s)
# this starts at the same time as the eNB, but some
# headstart is needed so that eNB actually is ready to serve
sleeps = [20, 30]
phone_msgs = [f"wait for {sleep}s for eNB to start up before waking up phone{id}"
for sleep, id in zip(sleeps, phones)]
wait_commands = [f"echo {msg}; sleep {sleep}"
for msg, sleep in zip(phone_msgs, sleeps)]
job_start_phones = [
SshJob(
node=gwnode,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("faraday.sh"), f"macphone{id}",
"r2lab-embedded/shell/macphone.sh", "phone-on",
includes=INCLUDES),
RunScript(find_local_embedded_script("faraday.sh"), f"macphone{id}",
"r2lab-embedded/shell/macphone.sh", "phone-start-app",
includes=INCLUDES),
],
label=f"turn off airplace mode on phone {id}",
required=grace_delay,
scheduler=scheduler)
for id, wait_command in zip(phones, wait_commands)]
if oai_ues:
delay = 25
for ue in oai_ues:
msg = f"wait for {delay}s for eNB to start up before running UE on node fit{ue:02d}"
wait_command = f"echo {msg}; sleep {delay}"
ue_node = SshNode(gateway=gwnode, hostname=r2lab_hostname(ue), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
job_start_ues = [
SshJob(
node=ue_node,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("mosaic-oai-ue.sh"),
"start",
includes=INCLUDES),
],
label=f"Start OAI UE on fit{ue:02d}",
required=grace_delay,
scheduler=scheduler)
]
delay += 20
for ue in oai_ues:
environ = {'USER': '******'}
cefnet_ue_service = Service("cefnetd", service_id="cefnet", environ=environ)
ue_node = SshNode(gateway=gwnode, hostname=r2lab_hostname(ue), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
msg = f"Wait 60s and then ping faraday gateway from UE on fit{ue:02d}"
ue_commands = f"echo {msg}; sleep 60; ping -c 5 -I oip1 faraday.inria.fr"
if tcp_streaming:
# TCP streaming scenario
if load_nodes:
ue_commands += "sysctl -w net.ipv4.ip_forward=1;"
ue_commands += "ip route add 10.1.1.0/24 via 192.168.2.32 dev data"
job_setup_ue = [
SshJob(
node=ue_node,
commands=[
Run(ue_commands,label="test UE link and set up routing for TCP streaming"),
],
label=f"ping faraday gateway from UE on fit{ue:02d} and set up routing for the TCP streaming scenario",
critical=True,
required=job_start_ues,
scheduler=scheduler)
]
else:
# Cefore streaming scenario
if load_nodes:
ue_commands += "sysctl -w net.ipv4.ip_forward=1;"
ue_commands += f"ip route add {publisher_ip}/32 dev oip1;"
ue_commands += "ip route add 10.1.1.0/24 via 192.168.2.32 dev data;"
ue_commands += "iptables -t nat -A POSTROUTING -s 10.1.1.2/32 -j SNAT --to-source 172.16.0.2;"
ue_commands += "iptables -t nat -A PREROUTING -d 172.16.0.2 -j DNAT --to-destination 10.1.1.2;"
ue_commands += "iptables -A FORWARD -d 10.1.1.2/32 -i oip1 -j ACCEPT;"
ue_commands += f"iptables -A FORWARD -d {publisher_ip}/32 -i data -j ACCEPT;"
ue_commands += "ip rule del from all to 172.16.0.2 lookup 201;"
ue_commands += "ip rule del from 172.16.0.2 lookup 201;"
ue_commands += "ip rule add from 10.1.1.2 lookup lte prio 32760;"
ue_commands += "ip rule add from all to 172.16.0.2 lookup lte prio 32761;"
ue_commands += "ip rule add from all fwmark 0x1 lookup lte prio 32762;"
ue_commands += "ip route add table lte 10.1.1.0/24 via 192.168.2.32 dev data;"
# ue_commands += "killall cefnetd || true"
job_setup_ue = [
SshJob(
node=ue_node,
commands=[
Run(ue_commands,label="test UE link and set up routing for Cefore streaming"),
cefnet_ue_service.start_command(),
],
label=f"ping faraday gateway from fit{ue:02d} UE and set up routing for the Cefore streaming scenario",
critical=True,#old cefnetd not killed when running new one...
required=job_start_ues,
scheduler=scheduler)
]
if ns3:
ns3_node = SshNode(gateway=gwnode, hostname=r2lab_hostname(ns3), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
msg = f"Wait for the UE node to be ready before running the streaming scenario with ns-3 on fit{ns3}"
if load_nodes:
job_prepare_ns3_node = [
SshJob(
node=ns3_node,
commands=[
Run("turn-on-data"),
Run("ifconfig data promisc up"),
Run("ip route add default via 192.168.2.6 dev data || true"),
Run("sysctl -w net.ipv4.ip_forward=1"),
],
label=f"setup routing on ns-3 fit{ns3:02d} node",
# ip route may already be there so the ip route command may fail
critical=True,
required=job_setup_ue,
scheduler=scheduler)
]
ns3_requirements = job_prepare_ns3_node
else:
ns3_requirements = job_setup_ue
if not tcp_streaming:
environ = {'USER': '******'}
cefnet_ns3_service = Service("cefnetd", service_id="cefnet", environ=environ)
job_start_cefnet_on_cn = [
SshJob(
node=cnnode,
commands=[
Run(f"echo 'ccn:/streaming tcp {publisher_ip}:80' > /usr/local/cefore/cefnetd.conf"),
# Run("killall cefnetd || true"),# not done by default with service.start_command()
cefnet_ns3_service.start_command(),
],
label=f"Start Cefnet on EPC running at fit{cn:02d}",
critical=True,#old cefnetd not killed when running new one...
required=ns3_requirements,
scheduler=scheduler,
)
]
# ditto
_job_ping_phones_from_cn = [
SshJob(
node=cnnode,
commands=[
Run("sleep 20"),
Run(f"ping -c 100 -s 100 -i .05 172.16.0.{id+1} &> /root/ping-phone{id}"),
],
label=f"ping phone {id} from core network",
critical=False,
required=job_start_phones,
scheduler=scheduler)
for id in phones]
########## xterm nodes
colors = ("wheat", "gray", "white", "darkolivegreen")
xterms = e3372_ue_xterms + gnuradio_xterms
for xterm, color in zip(xterms, cycle(colors)):
xterm_node = SshNode(
gateway=gwnode, hostname=r2lab_hostname(xterm), username='******',
formatter=TimeColonFormatter(verbose=verbose), debug=verbose)
SshJob(
node=xterm_node,
command=Run(f"xterm -fn -*-fixed-medium-*-*-*-20-*-*-*-*-*-*-*",
f" -bg {color} -geometry 90x10",
x11=True),
label=f"xterm on node {xterm_node.hostname}",
scheduler=scheduler,
# don't set forever; if we do, then these xterms get killed
# when all other tasks have completed
# forever = True,
)
# remove dangling requirements - if any
# should not be needed but won't hurt either
scheduler.sanitize()
##########
print(10*"*", "nodes usage summary")
if load_nodes:
for image, nodes in images_to_load.items():
for node in nodes:
print(f"node fit{node:02d} : {image}")
else:
print("NODES ARE USED AS IS (no image loaded, no reset)")
print(10*"*", "phones usage summary")
if phones:
for phone in phones:
print(f"Using phone{phone}")
else:
print("No phone involved")
if nodes_left_alone:
print(f"Ignore following fit nodes: {nodes_left_alone}")
print(f"Publisher IP is {publisher_ip}")
if tcp_streaming:
print("Run streaming scenario with TCP")
else:
print("Run streaming scenario with Cefore")
# wrap scheduler into global scheduler that prepares the testbed
scheduler = prepare_testbed_scheduler(
gwnode, load_nodes, scheduler, images_to_load, nodes_left_alone)
scheduler.check_cycles()
# Update the .dot and .png file for illustration purposes
name = "cefore-load" if load_nodes else "cefore"
print(10*'*', 'See main scheduler in',
scheduler.export_as_pngfile(name))
if verbose:
scheduler.list()
if dry_run:
return True
if verbose:
input('OK ? - press control C to abort ? ')
if not scheduler.orchestrate():
print(f"RUN KO : {scheduler.why()}")
scheduler.debrief()
return False
print("RUN OK")
print(80*'*')
if tcp_streaming:
# TCP streaming scenario
print(f"Now it's time to run the ns-3 script on node fit{ns3:02d}")
print(f"root@fit{ns3:02d}:~# /root/NS3/source/ns-3-dce/waf --run dce-tcp-test")
print("Then, run iperf on the publisher host:")
print("yourlogin@publisher:~# iperf -s -P 1 -p 80")
print(f"Log file will be available on fit{ns3:02d} at:")
print(" /root/NS3/source/ns-3-dce/files-4/var/log/56884/stdout")
else:
# Cefore streaming scenario
print("Now, if not already done, copy cefnetd and cefputfile binaries on your publisher host")
print("login@your_host:r2lab-demos/cefore# scp bin/cefnetd yourlogin@publisher_node:/usr/local/sbin")
print("login@your_host:r2lab-demos/cefore# scp bin/cefputfile yourlogin@publisher_node:/user/local/bin")
print(f"After that, run on the ns-3 fit{ns3:02d} node the following command:")
print(f"root@fit{ns3:02d}:~# /root/NS3/source/ns-3-dce/waf --run dce-cefore-test ")
print("Then, run on the publisher host:")
print("yourlogin@publisher:~# cefnetd")
print("yourlogin@publisher:~# cefputfile ccn:/streaming/test -f ./[file-name] -r [1 <= streaming_rate <= 32 (Mbps)]")
print(f"Log file will be available on fit{ns3:02d} at:")
print(" /root/NS3/source/ns-3-dce/files-3/tmp/cefgetstream-thuputLog-126230400110000")
print(80*'*')
return True
def run(
*, # pylint: disable=r0912, r0914, r0915
# the pieces to use
slicename,
cn,
ran,
phones,
e3372_ues,
oai_ues,
gnuradios,
e3372_ue_xterms,
gnuradio_xterms,
# boolean flags
load_nodes,
reset_usb,
oscillo,
# the images to load
image_cn,
image_ran,
image_oai_ue,
image_e3372_ue,
image_gnuradio,
image_T_tracer,
# miscell
n_rb,
nodes_left_alone,
T_tracer,
verbose,
dry_run):
"""
##########
# 3 methods to get nodes ready
# (*) load images
# (*) reset nodes that are known to have the right image
# (*) do nothing, proceed to experiment
expects e.g.
* slicename : s.t like [email protected]
* cn : 7
* ran : 23
* phones: list of indices of phones to use
* e3372_ues : list of nodes to use as a UE using e3372
* oai_ues : list of nodes to use as a UE using OAI
* gnuradios : list of nodes to load with a gnuradio image
* T_tracer : list of nodes to load with a tracer image
* image_* : the name of the images to load on the various nodes
Plus
* load_nodes: whether to load images or not - in which case
image_cn, image_ran and image_*
are used to tell the image names
* reset_usb : the USRP board will be reset when this is set
"""
# what argparse knows as a slice actually is about the gateway (user + host)
gwuser, gwhost = r2lab_parse_slice(slicename)
gwnode = SshNode(hostname=gwhost,
username=gwuser,
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
hostnames = [r2lab_hostname(x) for x in (cn, ran)]
cnnode, rannode = [
SshNode(gateway=gwnode,
hostname=hostname,
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose) for hostname in hostnames
]
scheduler = Scheduler(verbose=verbose, label="CORE EXP")
########## prepare the image-loading phase
# focus on the experiment, and use
# prepare_testbed_scheduler later on to prepare testbed
# all we need to do at this point is compute a mapping dict
# image -> list-of-nodes
images_to_load = defaultdict(list)
images_to_load[image_cn] += [cn]
images_to_load[image_ran] += [ran]
if e3372_ues:
images_to_load[image_e3372_ue] += e3372_ues
if e3372_ue_xterms:
images_to_load[image_e3372_ue] += e3372_ue_xterms
if oai_ues:
images_to_load[image_oai_ue] += oai_ues
if gnuradios:
images_to_load[image_gnuradio] += gnuradios
if gnuradio_xterms:
images_to_load[image_gnuradio] += gnuradio_xterms
if T_tracer:
images_to_load[image_T_tracer] += T_tracer
# start core network
job_start_cn = SshJob(
node=cnnode,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"),
"configure",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-cn.sh"),
"start",
includes=INCLUDES),
tcpdump_cn_service.start_command(),
],
label="start CN service",
scheduler=scheduler,
)
# prepare enodeb
reset_option = "-u" if reset_usb else ""
job_warm_ran = SshJob(
node=rannode,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"warm-up",
reset_option,
includes=INCLUDES),
RunScript(find_local_embedded_script("mosaic-ran.sh"),
"configure -b",
n_rb,
cn,
includes=INCLUDES),
],
label="Configure eNB",
scheduler=scheduler,
)
ran_requirements = [job_start_cn, job_warm_ran]
###
if oai_ues:
# prepare OAI UEs
for ue in oai_ues:
ue_node = SshNode(gateway=gwnode,
hostname=r2lab_hostname(ue),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
job_warm_ues = [
SshJob(node=ue_node,
commands=[
RunScript(find_local_embedded_script("nodes.sh"),
"git-pull-r2lab",
includes=INCLUDES),
RunScript(
find_local_embedded_script("mosaic-oai-ue.sh"),
"journal --vacuum-time=1s",
includes=INCLUDES),
RunScript(
find_local_embedded_script("mosaic-oai-ue.sh"),
"warm-up",
reset_option,
includes=INCLUDES),
RunScript(
find_local_embedded_script("mosaic-oai-ue.sh"),
"configure -b",
n_rb,
includes=INCLUDES),
],
label=f"Configure OAI UE on fit{ue}",
scheduler=scheduler)
]
ran_requirements.append(job_warm_ues)
###
if not load_nodes and phones:
job_turn_off_phones = SshJob(
node=gwnode,
commands=[
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{phone} phone-off") for phone in phones
],
scheduler=scheduler,
)
ran_requirements.append(job_turn_off_phones)
# wait for everything to be ready, and add an extra grace delay
grace = 5
grace_delay = PrintJob(
f"Allowing grace of {grace} seconds",
sleep=grace,
required=ran_requirements,
scheduler=scheduler,
label=f"settle for {grace}s",
)
# optionally start T_tracer
if T_tracer:
job_start_T_tracer = SshJob( # pylint: disable=w0612
node=SshNode(gateway=gwnode,
hostname=r2lab_hostname(T_tracer[0]),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose),
commands=[
Run(f"/root/trace {ran}", x11=True),
],
label="start T_tracer service",
required=ran_requirements,
scheduler=scheduler,
)
# ran_requirements.append(job_start_T_tracer)
# start services
graphical_option = "-x" if oscillo else ""
graphical_message = "graphical" if oscillo else "regular"
tracer_option = " -T" if T_tracer else ""
# we use a Python variable for consistency
# although it not used down the road
_job_service_ran = SshJob(
node=rannode,
commands=[
RunScript(
find_local_embedded_script("mosaic-ran.sh"),
"start",
graphical_option,
tracer_option,
includes=INCLUDES,
x11=oscillo,
),
],
label=f"start {graphical_message} softmodem on eNB",
required=grace_delay,
scheduler=scheduler,
)
########## run experiment per se
# Manage phone(s) and OAI UE(s)
# this starts at the same time as the eNB, but some
# headstart is needed so that eNB actually is ready to serve
sleeps = [20, 30]
phone_msgs = [
f"wait for {sleep}s for eNB to start up before waking up phone{id}"
for sleep, id in zip(sleeps, phones)
]
wait_commands = [
f"echo {msg}; sleep {sleep}" for msg, sleep in zip(phone_msgs, sleeps)
]
job_start_phones = [
SshJob(node=gwnode,
commands=[
Run(wait_command),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-on",
includes=INCLUDES),
RunScript(find_local_embedded_script("faraday.sh"),
f"macphone{id}",
"r2lab-embedded/shell/macphone.sh",
"phone-start-app",
includes=INCLUDES),
],
label=f"turn off airplace mode on phone {id}",
required=grace_delay,
scheduler=scheduler)
for id, wait_command in zip(phones, wait_commands)
]
if oai_ues:
delay = 25
for ue in oai_ues:
msg = f"wait for {delay}s for eNB to start up before running UE on node fit{ue}"
wait_command = f"echo {msg}; sleep {delay}"
ue_node = SshNode(gateway=gwnode,
hostname=r2lab_hostname(ue),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
job_start_ues = [
SshJob(node=ue_node,
commands=[
Run(wait_command),
RunScript(
find_local_embedded_script("mosaic-oai-ue.sh"),
"start",
includes=INCLUDES),
],
label=f"Start OAI UE on fit{ue}",
required=grace_delay,
scheduler=scheduler)
]
delay += 20
for ue in oai_ues:
ue_node = SshNode(gateway=gwnode,
hostname=r2lab_hostname(ue),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
msg = f"Wait 60s and then ping faraday gateway from UE on fit{ue}"
_job_ping_gw_from_ue = [
SshJob(node=ue_node,
commands=[
Run(f"echo {msg}; sleep 60"),
Run(f"ping -c 5 -I oip1 faraday.inria.fr"),
],
label=f"ping faraday gateway from UE on fit{ue}",
critical=False,
required=job_start_ues,
scheduler=scheduler)
]
# ditto
_job_ping_phones_from_cn = [
SshJob(
node=cnnode,
commands=[
Run("sleep 20"),
Run(f"ping -c 100 -s 100 -i .05 172.16.0.{id+1} &> /root/ping-phone{id}"
),
],
label=f"ping phone {id} from core network",
critical=False,
required=job_start_phones,
scheduler=scheduler) for id in phones
]
########## xterm nodes
colors = ("wheat", "gray", "white", "darkolivegreen")
xterms = e3372_ue_xterms + gnuradio_xterms
for xterm, color in zip(xterms, cycle(colors)):
xterm_node = SshNode(gateway=gwnode,
hostname=r2lab_hostname(xterm),
username='******',
formatter=TimeColonFormatter(verbose=verbose),
debug=verbose)
SshJob(
node=xterm_node,
command=Run(f"xterm -fn -*-fixed-medium-*-*-*-20-*-*-*-*-*-*-*",
f" -bg {color} -geometry 90x10",
x11=True),
label=f"xterm on node {xterm_node.hostname}",
scheduler=scheduler,
# don't set forever; if we do, then these xterms get killed
# when all other tasks have completed
# forever = True,
)
# remove dangling requirements - if any
# should not be needed but won't hurt either
scheduler.sanitize()
##########
print(10 * "*", "nodes usage summary")
if load_nodes:
for image, nodes in images_to_load.items():
for node in nodes:
print(f"node {node} : {image}")
else:
print("NODES ARE USED AS IS (no image loaded, no reset)")
print(10 * "*", "phones usage summary")
if phones:
for phone in phones:
print(f"Using phone{phone}")
else:
print("No phone involved")
if nodes_left_alone:
print(f"Ignore following fit nodes: {nodes_left_alone}")
# wrap scheduler into global scheduler that prepares the testbed
scheduler = prepare_testbed_scheduler(gwnode, load_nodes, scheduler,
images_to_load, nodes_left_alone)
scheduler.check_cycles()
# Update the .dot and .png file for illustration purposes
name = "mosaic-load" if load_nodes else "mosaic"
print(10 * '*', 'See main scheduler in', scheduler.export_as_pngfile(name))
if verbose:
scheduler.list()
if dry_run:
return True
if verbose:
input('OK ? - press control C to abort ? ')
if not scheduler.orchestrate():
print(f"RUN KO : {scheduler.why()}")
scheduler.debrief()
return False
print("RUN OK")
return True