def wait_tt(alarm_id):
logger.info("[%s] Checking escalated TT", alarm_id)
alarm = get_alarm(alarm_id)
if alarm is None:
logger.info("[%s] Missing alarm, skipping", alarm_id)
return
if alarm.status == "C":
logger.info("[%s] Alarm is closed, skipping", alarm_id)
return
c_tt_name, c_tt_id = alarm.escalation_tt.split(":")
cts = TTSystem.get_by_name(c_tt_name)
if not cts:
logger.error("Unknown TT system: %s", c_tt_name)
return
ti = None
tts = cts.get_system()
try:
ti = tts.get_tt(c_tt_id)
except tts.TTError as e:
logger.error("Cannot get TT info: %s", e)
if ti and ti["resolved"]:
# Close alarm
alarm.clear_alarm(
"Closed by TT %s" % alarm.escalation_tt,
ts=ti.get("close_ts", datetime.datetime.now()),
force=True,
)
else:
Job.retry_after(config.escalator.wait_tt_check_interval,
msg="Next check")
def ensure_discovery_jobs(self):
if self.profile and self.profile.discovery_interval > 0:
Job.submit("scheduler",
self.DISCOVERY_JOB,
key=self.id,
keep_ts=True)
else:
Job.remove("scheduler", self.DISCOVERY_JOB, key=self.id)
def periodic(alarm, cfg, *args, **kwargs):
a = get_alarm(alarm)
if not a:
logger.info("[%s] Alarm is not found, skipping", alarm)
return
if a.status == "C":
logger.info("[%s] Alarm is closed, skipping", alarm)
return
AlarmDiagnosticConfig.get_diag(a, cfg["cfg"], "R")
if cfg.get("delay"):
Job.retry_after(delay=cfg["delay"])
def api_stop_discovery(self, request, id):
o = self.get_object_or_404(ManagedObject, id=id)
if not o.has_access(request.user):
return self.response_forbidden("Access denied")
r = ujson.loads(request.body).get("names", [])
for name, jcls in self.DISCOVERY_JOBS:
if name not in r:
continue
if not getattr(o.object_profile, "enable_%s_discovery" % name):
continue # Disabled by profile
Job.remove("discovery", jcls, key=o.id, pool=o.pool.name)
return {"success": True}
def instance_to_dict(self, mo, fields=None):
job = Job.get_job_data(
"discovery",
jcls="noc.services.discovery.jobs.box.job.BoxDiscoveryJob",
key=mo.id,
pool=mo.pool.name,
)
last_update = mo.config.get_revisions(reverse=True)
if last_update:
last_update = humanize_distance(last_update[0].ts)
last_success = "--"
last_status = None
if job:
last_success = humanize_distance(
job["last"]) if "last" in job else "--"
last_status = job["ls"] if "ls" in job else None
return {
"id": str(mo.id),
"name": mo.name,
"profile_name": mo.profile.name,
"last_success": last_success,
"status": job["s"] if job else "--",
"last_status": last_status,
"last_update": last_update if last_update else None,
}
def apply_discovery_jobs(profile_id, box_changed, periodic_changed):
def iter_objects():
pool_cache = cachetools.LRUCache(
maxsize=200,
missing=lambda x: Pool.objects.get(id=x)
)
for o_id, is_managed, pool_id in profile.managedobject_set.values_list("id", "is_managed", "pool"):
yield o_id, is_managed, pool_cache[pool_id]
try:
profile = ManagedObjectProfile.objects.get(id=profile_id)
except ManagedObjectProfile.DoesNotExist:
return
for mo_id, is_managed, pool in iter_objects():
if box_changed:
if profile.enable_box_discovery and is_managed:
Job.submit(
"discovery",
"noc.services.discovery.jobs.box.job.BoxDiscoveryJob",
key=mo_id,
pool=pool
)
else:
Job.remove(
"discovery",
"noc.services.discovery.jobs.box.job.BoxDiscoveryJob",
key=mo_id,
pool=pool
)
if periodic_changed:
if profile.enable_periodic_discovery and is_managed:
Job.submit(
"discovery",
"noc.services.discovery.jobs.periodic.job.PeriodicDiscoveryJob",
key=mo_id,
pool=pool
)
else:
Job.remove(
"discovery",
"noc.services.discovery.jobs.periodic.job.PeriodicDiscoveryJob",
key=mo_id,
pool=pool
)
def api_discovery(self, request, id):
from noc.core.scheduler.job import Job
o = self.get_object_or_404(ManagedObject, id=id)
if not o.has_access(request.user):
return self.response_forbidden("Access denied")
link_count = defaultdict(int)
for link in Link.object_links(o):
m = link.discovery_method or ""
if "+" in m:
m = m.split("+")[0]
link_count[m] += 1
r = [{
"name": "ping",
"enable_profile": o.object_profile.enable_ping,
"status": o.get_status(),
"last_run": None,
"last_status": None,
"next_run": None,
"jcls": None,
}]
for name, jcls in self.DISCOVERY_JOBS:
job = Job.get_job_data(
"discovery", jcls=jcls, key=o.id, pool=o.pool.name) or {}
d = {
"name":
name,
"enable_profile":
getattr(o.object_profile, "enable_%s_discovery" % name),
"status":
job.get(Job.ATTR_STATUS),
"last_run":
self.to_json(job.get(Job.ATTR_LAST)),
"last_status":
job.get(Job.ATTR_LAST_STATUS),
"next_run":
self.to_json(job.get(Job.ATTR_TS)),
"jcls":
jcls,
}
r += [d]
return r
def instance_to_dict(self, mo, fields=None):
job = Job.get_job_data(
"discovery",
jcls="noc.services.discovery.jobs.box.job.BoxDiscoveryJob",
key=mo.id,
pool=mo.pool.name)
last_update = mo.config.get_revisions(reverse=True)
if last_update:
last_update = humanize_distance(last_update[0].ts)
last_success = '--'
last_status = None
if job:
last_success = humanize_distance(
job["last"]) if "last" in job else '--'
last_status = job["ls"] if "ls" in job else None
return {
'id': str(mo.id),
'name': mo.name,
'profile_name': mo.profile.name,
'last_success': last_success,
'status': job["s"] if job else '--',
'last_status': last_status,
'last_update': last_update if last_update else None
}
def process_origin_route(self):
"""
Update origin -> route
:return:
"""
# Get AS with discovered routes
discoverable_as = set(
"AS%s" % a.asn
for a in AS.objects.all()
if a.profile.enable_discovery_prefix_whois_route and a.profile
)
# as -> [(prefix, description)]
as_routes = defaultdict(list)
if discoverable_as:
logger.info(
"Collecting prefix discovery information for AS: %s",
", ".join(a for a in discoverable_as)
)
def parser(f, fields=None):
for obj in self.parse_rpsl(f):
if obj and "route" in obj and "origin" in obj:
origin = obj["origin"][0]
if origin in discoverable_as:
as_routes[origin] += [(
obj["route"][0],
"\n".join(obj["descr"]) if "descr" in obj else None
)]
yield obj
else:
parser = self.parse_rpsl
#
r = defaultdict(list)
if self.use_ripe:
logger.info("Processing RIPE origin -> route")
v = self.update_from_rpsl(self.RIPE_ROUTE_ORIGIN, r,
"route", "origin", False, parser)
logger.info("Processed RIPE origin -> route: %d records" % v)
if self.use_arin:
logger.info("Processing ARIN origin -> route")
v = self.update_from_rpsl(self.ARIN, r,
"route", "origin", False, parser)
logger.info("Processed ARIN origin -> route: %d records" % v)
if self.use_radb:
logger.info("Processing RADb origin -> route")
v = self.update_from_rpsl(self.RADB, r,
"route", "origin", False, parser)
logger.info("Processed RADb origin -> route: %d records" % v)
if r:
import noc.lib.nosql # noqa Connect to MongoDB
# Upload to database
logger.info("Updating noc.whois.origin.route collection")
count = WhoisOriginRoute.upload(r)
logger.info("%d records written into noc.whois.origin.route collection" % count)
if as_routes:
import noc.lib.nosql # noqa Connect to MongoDB
delay = 0
for a in as_routes:
logger.info("[%s] Sending %d prefixes to AS discovery", a, len(as_routes[a]))
Job.submit(
"scheduler",
self.JCLS_WHOIS_PREFIX,
key=AS.get_by_asn(int(a[2:])).id,
delta=delay,
data={
"whois_route": as_routes[a]
}
)
delay += self.PER_AS_DELAY
def escalate(alarm_id, escalation_id, escalation_delay, *args, **kwargs):
def log(message, *args):
msg = message % args
logger.info("[%s] %s", alarm_id, msg)
alarm.log_message(msg, to_save=True)
def summary_to_list(summary, model):
r = []
for k in summary:
p = model.get_by_id(k.profile)
if not p or getattr(p, "show_in_summary", True) is False:
continue
r += [{
"profile": p.name,
"summary": k.summary,
"order": (getattr(p, "display_order", 100), -k.summary),
}]
return sorted(r, key=operator.itemgetter("order"))
logger.info("[%s] Performing escalations", alarm_id)
alarm = get_alarm(alarm_id)
if alarm is None:
logger.info("[%s] Missing alarm, skipping", alarm_id)
metrics["escalation_missed_alarm"] += 1
return
if alarm.status == "C":
logger.info("[%s] Alarm is closed, skipping", alarm_id)
metrics["escalation_already_closed"] += 1
return
if alarm.root:
log("[%s] Alarm is not root cause, skipping", alarm_id)
metrics["escalation_alarm_is_not_root"] += 1
return
#
escalation = AlarmEscalation.get_by_id(escalation_id)
if not escalation:
log("Escalation %s is not found, skipping", escalation_id)
metrics["escalation_not_found"] += 1
return
if alarm.managed_object.tt_system:
sample = alarm.managed_object.tt_system.telemetry_sample
else:
sample = PARENT_SAMPLE
with Span(client="escalator", sample=sample) as ctx:
alarm.set_escalation_context()
# Evaluate escalation chain
mo = alarm.managed_object
for a in escalation.escalations:
if a.delay != escalation_delay:
continue # Try other type
# Check administrative domain
if a.administrative_domain and a.administrative_domain.id not in alarm.adm_path:
continue
# Check severity
if a.min_severity and alarm.severity < a.min_severity:
continue
# Check selector
if a.selector and not SelectorCache.is_in_selector(mo, a.selector):
continue
# Check time pattern
if a.time_pattern and not a.time_pattern.match(alarm.timestamp):
continue
# Render escalation message
if not a.template:
log("No escalation template, skipping")
continue
# Check global limits
# @todo: Move into escalator service
# @todo: Process per-ttsystem limits
ets = datetime.datetime.now() - datetime.timedelta(
seconds=config.escalator.ets)
ae = ActiveAlarm._get_collection().count_documents(
{"escalation_ts": {
"$gte": ets
}})
ae += ArchivedAlarm._get_collection().count_documents(
{"escalation_ts": {
"$gte": ets
}})
if ae >= config.escalator.tt_escalation_limit:
logger.error(
"Escalation limit exceeded (%s/%s). Skipping",
ae,
config.escalator.tt_escalation_limit,
)
metrics["escalation_throttled"] += 1
alarm.set_escalation_error(
"Escalation limit exceeded (%s/%s). Skipping" %
(ae, config.escalator.tt_escalation_limit))
return
# Check whether consequences has escalations
cons_escalated = sorted(alarm.iter_escalated(),
key=operator.attrgetter("timestamp"))
affected_objects = sorted(alarm.iter_affected(),
key=operator.attrgetter("name"))
#
segment = alarm.managed_object.segment
if segment.is_redundant:
uplinks = alarm.managed_object.data.uplinks
lost_redundancy = len(uplinks) > 1
affected_subscribers = summary_to_list(
segment.total_subscribers, SubscriberProfile)
affected_services = summary_to_list(segment.total_services,
ServiceProfile)
else:
lost_redundancy = False
affected_subscribers = []
affected_services = []
#
ctx = {
"alarm":
alarm,
"affected_objects":
affected_objects,
"cons_escalated":
cons_escalated,
"total_objects":
summary_to_list(alarm.total_objects, ManagedObjectProfile),
"total_subscribers":
summary_to_list(alarm.total_subscribers, SubscriberProfile),
"total_services":
summary_to_list(alarm.total_services, ServiceProfile),
"tt":
None,
"lost_redundancy":
lost_redundancy,
"affected_subscribers":
affected_subscribers,
"affected_services":
affected_services,
}
# Escalate to TT
if a.create_tt and mo.can_escalate():
tt_id = None
if alarm.escalation_tt:
log("Already escalated with TT #%s", alarm.escalation_tt)
else:
pre_reason = escalation.get_pre_reason(mo.tt_system)
active_maintenance = Maintenance.get_object_maintenance(mo)
if active_maintenance:
for m in active_maintenance:
log(
"Object is under maintenance: %s (%s-%s)",
m.subject,
m.start,
m.stop,
)
metrics["escalation_stop_on_maintenance"] += 1
elif pre_reason is not None:
subject = a.template.render_subject(**ctx)
body = a.template.render_body(**ctx)
logger.debug(
"[%s] Escalation message:\nSubject: %s\n%s",
alarm_id, subject, body)
log("Creating TT in system %s", mo.tt_system.name)
tts = mo.tt_system.get_system()
try:
try:
tt_id = tts.create_tt(
queue=mo.tt_queue,
obj=mo.tt_system_id,
reason=pre_reason,
subject=subject,
body=body,
login="******",
timestamp=alarm.timestamp,
)
except TemporaryTTError as e:
metrics["escalation_tt_retry"] += 1
log(
"Temporary error detected. Retry after %ss",
RETRY_TIMEOUT)
mo.tt_system.register_failure()
Job.retry_after(get_next_retry(), str(e))
ctx["tt"] = "%s:%s" % (mo.tt_system.name, tt_id)
alarm.escalate(
ctx["tt"],
close_tt=a.close_tt,
wait_tt=ctx["tt"] if a.wait_tt else None,
)
if tts.promote_group_tt and a.promote_group_tt:
# Create group TT
log("Promoting to group tt")
gtt = tts.create_group_tt(
tt_id, alarm.timestamp)
# Append affected objects
for ao in alarm.iter_affected():
if ao.can_escalate(True):
if ao.tt_system == mo.tt_system:
log(
"Appending object %s to group tt %s",
ao.name, gtt)
try:
tts.add_to_group_tt(
gtt, ao.tt_system_id)
except TTError as e:
alarm.set_escalation_error(
"[%s] %s" %
(mo.tt_system.name, e))
else:
log(
"Cannot append object %s to group tt %s: Belongs to other TT system",
ao.name,
gtt,
)
else:
log(
"Cannot append object %s to group tt %s: Escalations are disabled",
ao.name,
gtt,
)
metrics["escalation_tt_create"] += 1
except TTError as e:
log("Failed to create TT: %s", e)
metrics["escalation_tt_fail"] += 1
alarm.log_message("Failed to escalate: %s" % e,
to_save=True)
alarm.set_escalation_error("[%s] %s" %
(mo.tt_system.name, e))
else:
log("Cannot find pre reason")
metrics["escalation_tt_fail"] += 1
if tt_id and cons_escalated:
# Notify consequences
for ca in cons_escalated:
c_tt_name, c_tt_id = ca.escalation_tt.split(":")
cts = TTSystem.get_by_name(c_tt_name)
if cts:
tts = cts.get_system()
try:
log("Appending comment to TT %s", tt_id)
tts.add_comment(c_tt_id,
body="Covered by TT %s" %
tt_id,
login="******")
metrics["escalation_tt_comment"] += 1
except NotImplementedError:
log(
"Cannot add comment to %s: Feature not implemented",
ca.escalation_tt,
)
metrics["escalation_tt_comment_fail"] += 1
except TTError as e:
log("Failed to add comment to %s: %s",
ca.escalation_tt, e)
metrics["escalation_tt_comment_fail"] += 1
else:
log(
"Failed to add comment to %s: Invalid TT system",
ca.escalation_tt)
metrics["escalation_tt_comment_fail"] += 1
# Send notification
if a.notification_group and mo.can_notify():
subject = a.template.render_subject(**ctx)
body = a.template.render_body(**ctx)
logger.debug("[%s] Notification message:\nSubject: %s\n%s",
alarm_id, subject, body)
log("Sending notification to group %s",
a.notification_group.name)
a.notification_group.notify(subject, body)
alarm.set_clear_notification(a.notification_group,
a.clear_template)
metrics["escalation_notify"] += 1
#
if a.stop_processing:
logger.debug("Stopping processing")
break
nalarm = get_alarm(alarm_id)
if nalarm and nalarm.status == "C":
nalarm.log_message(
"Alarm has been closed during escalation. Try to deescalate")
logger.info(
"[%s] Alarm has been closed during escalation. Try to deescalate",
alarm.id)
metrics["escalation_closed_while_escalated"] += 1
if tt_id and not nalarm.escalation_tt:
nalarm.escalation_ts = datetime.datetime.now()
nalarm.escalation_tt = "%s:%s" % (mo.tt_system.name, tt_id)
nalarm.save()
if not nalarm.escalation_close_ts and not nalarm.escalation_close_error:
notify_close(
alarm_id=alarm_id,
tt_id=nalarm.escalation_tt,
subject="Closing",
body="Closing",
notification_group_id=alarm.clear_notification_group.id
if alarm.clear_notification_group else None,
close_tt=alarm.close_tt,
)
elif nalarm == "A" and not nalarm.escalation_tt and tt_id:
logger.error("[%s] Alarm without escalation TT: %s", alarm.id,
tt_id)
logger.info("[%s] Escalations loop end", alarm_id)
def notify_close(alarm_id,
tt_id,
subject,
body,
notification_group_id,
close_tt=False):
def log(message, *args):
msg = message % args
logger.info("[%s] %s", alarm_id, msg)
if tt_id:
alarm = get_alarm(alarm_id)
alarm.set_escalation_close_ctx()
if (alarm and alarm.status == "C" and
(alarm.escalation_close_ts or alarm.escalation_close_error)):
log("Alarm is already deescalated")
metrics["escalation_already_deescalated"] += 1
return
with Span(client="escalator", sample=PARENT_SAMPLE):
c_tt_name, c_tt_id = tt_id.split(":")
cts = TTSystem.get_by_name(c_tt_name)
if cts:
tts = cts.get_system()
if close_tt:
# Close tt
try:
log("Closing TT %s", tt_id)
tts.close_tt(c_tt_id,
subject=subject,
body=body,
login="******")
metrics["escalation_tt_close"] += 1
if alarm:
alarm.close_escalation()
except TemporaryTTError as e:
log("Temporary error detected while closing tt %s: %s",
tt_id, e)
metrics["escalation_tt_close_retry"] += 1
Job.retry_after(get_next_retry(), str(e))
cts.register_failure()
if alarm:
alarm.set_escalation_close_error(
"[%s] %s" %
(alarm.managed_object.tt_system.name, e))
except TTError as e:
log("Failed to close tt %s: %s", tt_id, e)
metrics["escalation_tt_close_fail"] += 1
if alarm:
alarm.set_escalation_close_error(
"[%s] %s" %
(alarm.managed_object.tt_system.name, e))
else:
# Append comment to tt
try:
log("Appending comment to TT %s", tt_id)
tts.add_comment(c_tt_id,
subject=subject,
body=body,
login="******")
metrics["escalation_tt_comment"] += 1
except TTError as e:
log("Failed to add comment to %s: %s", tt_id, e)
metrics["escalation_tt_comment_fail"] += 1
else:
log("Failed to add comment to %s: Invalid TT system", tt_id)
metrics["escalation_tt_comment_fail"] += 1
if notification_group_id:
notification_group = NotificationGroup.get_by_id(notification_group_id)
if notification_group:
log("Sending notification to group %s", notification_group.name)
notification_group.notify(subject, body)
metrics["escalation_notify"] += 1
else:
log("Invalid notification group %s", notification_group_id)
def remove_job(self):
logger.info("Removing job")
Job.remove("scheduler", self.JCLS)
def submit_job(self):
logger.info("Submitting job")
Job.submit("scheduler", self.JCLS)
def wipe(o):
if not hasattr(o, "id"):
try:
o = ManagedObject.objects.get(id=o)
except ManagedObject.DoesNotExist:
return True
log = PrefixLoggerAdapter(logger, str(o.id))
# Wiping discovery tasks
log.debug("Wiping discovery tasks")
for j in [
ManagedObject.BOX_DISCOVERY_JOB,
ManagedObject.PERIODIC_DISCOVERY_JOB
]:
Job.remove("discovery", j, key=o.id, pool=o.pool.name)
# Wiping FM events
log.debug("Wiping events")
FailedEvent.objects.filter(managed_object=o.id).delete()
ActiveEvent.objects.filter(managed_object=o.id).delete()
ArchivedEvent.objects.filter(managed_object=o.id).delete()
# Wiping alarms
log.debug("Wiping alarms")
for ac in (ActiveAlarm, ArchivedAlarm):
for a in ac.objects.filter(managed_object=o.id):
# Relink root causes
my_root = a.root
for iac in (ActiveAlarm, ArchivedAlarm):
for ia in iac.objects.filter(root=a.id):
ia.root = my_root
ia.save()
# Delete alarm
a.delete()
# Wiping MAC DB
log.debug("Wiping MAC DB")
MACDB._get_collection().remove({"managed_object": o.id})
# Wiping discovery id cache
log.debug("Wiping discovery id")
DiscoveryID._get_collection().remove({"object": o.id})
# Wiping interfaces, subs and links
# Wipe links
log.debug("Wiping links")
for i in Interface.objects.filter(managed_object=o.id):
# @todo: Remove aggregated links correctly
Link.objects.filter(interfaces=i.id).delete()
#
log.debug("Wiping subinterfaces")
SubInterface.objects.filter(managed_object=o.id).delete()
log.debug("Wiping interfaces")
Interface.objects.filter(managed_object=o.id).delete()
log.debug("Wiping forwarding instances")
ForwardingInstance.objects.filter(managed_object=o.id).delete()
# Unbind from IPAM
log.debug("Unbind from IPAM")
for a in Address.objects.filter(managed_object=o):
a.managed_object = None
a.save()
# Wipe object status
log.debug("Wiping object status")
ObjectStatus.objects.filter(object=o.id).delete()
# Wipe outages
log.debug("Wiping outages")
Outage.objects.filter(object=o.id).delete()
# Wipe uptimes
log.debug("Wiping uptimes")
Uptime.objects.filter(object=o.id).delete()
# Wipe reboots
log.debug("Wiping reboots")
Reboot.objects.filter(object=o.id).delete()
# Delete Managed Object's capabilities
log.debug("Wiping capabilitites")
ObjectCapabilities.objects.filter(object=o.id).delete()
# Delete Managed Object's attributes
log.debug("Wiping attributes")
ManagedObjectAttribute.objects.filter(managed_object=o).delete()
# Finally delete object and config
log.debug("Finally wiping object")
o.delete()
log.debug("Done")
