Exemple #1
0
 def cached_neighbors(self, mo, key, iter_neighbors):
     """
     Cache iter_neighbors results according to profile settings
     :param mo:
     :param key:
     :param iter_neighbors:
     :return:
     """
     ttl = mo.object_profile.neighbor_cache_ttl
     if not ttl:
         # Disabled cache
         metrics["neighbor_cache_misses"] += 1
         neighbors = iter_neighbors(mo)
         if isinstance(neighbors, types.GeneratorType):
             neighbors = list(iter_neighbors(mo))
         return neighbors
     # Cached version
     neighbors = cache.get(key, version=self.NEIGHBOR_CACHE_VERSION)
     self.logger.debug("Use neighbors cache")
     if neighbors is None:
         neighbors = iter_neighbors(mo)
         if isinstance(neighbors, types.GeneratorType):
             neighbors = list(iter_neighbors(mo))
         cache.set(key,
                   neighbors,
                   ttl=ttl,
                   version=self.NEIGHBOR_CACHE_VERSION)
         if self.interface_aliases:
             alias_cache = {(mo.id, n[0]):
                            self.interface_aliases[(mo.id, n[0])]
                            for n in neighbors
                            if (mo.id, n[0]) in self.interface_aliases}
             cache.set("%s-aliases" % key,
                       alias_cache,
                       ttl=ttl,
                       version=self.NEIGHBOR_CACHE_VERSION)
         metrics["neighbor_cache_misses"] += 1
     else:
         alias_cache = cache.get("%s-aliases" % key,
                                 version=self.NEIGHBOR_CACHE_VERSION)
         self.logger.debug("Alias cache is %s", alias_cache)
         if alias_cache:
             self.interface_aliases.update(alias_cache)
         metrics["neighbor_cache_hits"] += 1
     return neighbors
Exemple #2
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 def __init__(self, ids, cache_key=None, ignore_profiles=None):
     self.ids = ids
     self.ignore_profiles = ignore_profiles
     if cache_key:
         self.out = cache.get(key=cache_key)
         if not self.out:
             self.out = self.load(self.ids, self.ignore_profiles)
             cache.set(cache_key, self.out, ttl=28800)
     else:
         self.out = self.load(self.ids, self.ignore_profiles)
Exemple #3
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def messages(request):
    if "noc_user" in request.COOKIES:
        session_id = request.COOKIES["noc_user"].rsplit("|", 1)[-1]
        key = "msg-%s" % session_id
        msg = cache.get(key, version=CACHE_VERSION)
        if msg:
            messages = ujson.loads(msg)
            cache.delete(key, version=CACHE_VERSION)
            return {"messages": messages}
    return {}
Exemple #4
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 def run_job(self, job, mo, checks):
     if job == "segment":
         scheduler = Scheduler("scheduler",
                               pool=None,
                               service=ServiceStub())
     else:
         scheduler = Scheduler("discovery",
                               pool=mo.pool.name,
                               service=ServiceStub())
     jcls = self.jcls[job]
     # Try to dereference job
     job_args = scheduler.get_collection().find_one({
         Job.ATTR_CLASS: jcls,
         Job.ATTR_KEY: mo.id
     })
     if job_args:
         self.print("Job ID: %s" % job_args["_id"])
     else:
         job_args = {Job.ATTR_ID: "fakeid", Job.ATTR_KEY: mo.id}
     job_args["_checks"] = checks
     job = get_handler(jcls)(scheduler, job_args)
     if job.context_version:
         ctx_key = job.get_context_cache_key()
         self.print("Loading job context from %s" % ctx_key)
         ctx = cache.get(ctx_key, version=job.context_version)
         if not ctx:
             self.print("Job context is empty")
         job.load_context(ctx)
     sample = 1 if self.trace else 0
     with Span(sample=sample):
         job.dereference()
         job.handler()
     if sample:
         spans = get_spans()
         self.print("Spans:")
         self.print("\n".join(str(s) for s in spans))
     if scheduler.service.metrics:
         self.print("Collected CH data:")
         for t in scheduler.service.metrics:
             self.print("Table: %s" % t)
             self.print("\n".join(
                 str(x) for x in scheduler.service.metrics[t]))
     if job.context_version and job.context:
         self.print("Saving job context to %s" % ctx_key)
         scheduler.cache_set(key=ctx_key,
                             value=job.context,
                             version=job.context_version)
         scheduler.apply_cache_ops()
         time.sleep(3)
Exemple #5
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 def __init__(self,
              ids,
              cache_key=None,
              ignore_profiles=None,
              filter_exists_link=False):
     self.ids = ids
     self.ignore_profiles = ignore_profiles
     self.filter_exists_link = filter_exists_link
     if cache_key:
         self.out = cache.get(key=cache_key)
         if not self.out:
             self.out = self.load(self.ids, self.ignore_profiles,
                                  self.filter_exists_link)
             cache.set(cache_key, self.out, ttl=28800)
     else:
         self.out = self.load(self.ids, self.ignore_profiles,
                              self.filter_exists_link)