Exemplo n.º 1
0
 def daily(self, monitor, target_tz):
     # select earliest and latest ts for main monitor facet
     query = select([func.min(t_monitor_log.c.ts), func.max(t_monitor_log.c.ts)],
                    t_monitor_log.c.monitor_id == monitor.monitor_id)
     start, end = self.session.execute(query).fetchall()[0]
 
     if start and end:
         start = ts_to_datetime(start).astimezone(target_tz)
         end = ts_to_datetime(end).astimezone(target_tz)
         return [day for day in  self.date_range(start.date(), end.date())]
     return []
Exemplo n.º 2
0
    def generate(self, monitor, target_tz, date_for):
        start = utcdatetimefromiso(date_for, target_tz)
        end = start + timedelta(days=1)
        facet_names = [item['facet'] for item in self.report_plan if item.has_key('facet')]

        facets = self.session.query(Facet).filter(Facet.kind==monitor.kind).filter(Facet.name.in_(facet_names)).all()

        facet_ids = []
        facet_by_id = dict()
        for facet in facets:
            facet_ids.append(facet.facet_id)
            facet_by_id[facet.facet_id] = facet
            

        pre_result = dict()
        
        # get facets
        query = select([t_monitor_log.c.facet_id, t_monitor_log.c.ts, t_monitor_log.c.node, t_monitor_log.c.value],  
                       and_(t_monitor_log.c.monitor_id==monitor.monitor_id,
                            t_monitor_log.c.facet_id.in_(facet_ids),
                            t_monitor_log.c.ts >= datetime_to_ts(start),
                            t_monitor_log.c.ts < datetime_to_ts(end)))
        for facet_id, ts, node, value in self.session.execute(query):
            facet = facet_by_id[facet_id]
            pre_result.setdefault(ts, dict())[facet.name] = value
            if node is not None:
                pre_result.setdefault(ts, dict())['node'] = node

        # get errors
        query = select([t_error_log.c.ts, t_error_log.c.node, t_error_log.c.error],  
                       and_(t_error_log.c.monitor_id==monitor.monitor_id,
                            t_error_log.c.ts >= datetime_to_ts(start),
                            t_error_log.c.ts < datetime_to_ts(end)))

        for ts, node, err in self.session.execute(query):
            pre_result.setdefault(ts, dict())['error'] = err
        
        result = []
        sorted_ts = pre_result.keys()
        sorted_ts.sort()
        for ts in sorted_ts:
            data = pre_result[ts]
            data['ts'] = long(datetime_to_ts(ts_to_datetime(ts).astimezone(target_tz)))
            result.append(data)

        return [self.report_plan, result]
Exemplo n.º 3
0
def hist_downtime(session, monitor, facet, ts_start, ts_end):
    q = select([t_monitor_log.c.ts, t_monitor_log.c.value],
               and_(t_monitor_log.c.monitor_id == monitor.monitor_id,
                    t_monitor_log.c.facet_id == facet.facet_id,
                    t_monitor_log.c.ts >= ts_start,
                    t_monitor_log.c.ts < ts_end))
    q = q.order_by(t_monitor_log.c.ts.asc())

    samples = []
    for ts, value in session.execute(q).fetchall():
        samples.append((ts_to_datetime(ts), value))
    downtime = timedelta(0)
    for i in range(len(samples)-1): # disregard the last sample (TODO: really?)
        ts, value = samples[i]
        next_ts, next_value = samples[i+1]
        if value is None:
            downtime = downtime + next_ts - ts
    result = downtime.seconds
    return result 
Exemplo n.º 4
0
 def monthly(self, monitor, target_tz):
     monthly_results = []
     query = select([func.min(t_monitor_log_hist.c.ts)],
                    t_monitor_log_hist.c.monitor_id == monitor.monitor_id)
     start = self.session.execute(query).fetchall()[0][0]
     this_month = datetime.now(tz=utc).astimezone(target_tz).date().replace(day=1)
     if start:
         start = ts_to_datetime(start).date()
         # months starting from earliest date in monitor_log_daily
         # but not current month
         current = start.replace(day=1)
         while current < this_month:
             monthly_results.append(current)
             if current.month == 12:
                 current = current.replace(year=current.year+1, month=1)
             else:
                 current = current.replace(month=current.month+1)
     # always add the current month
     monthly_results.append(this_month)
     return monthly_results
Exemplo n.º 5
0
    def daily_stats(self, r, name):
        target_tz = pytz.timezone(r.user.timezone)
        now = datetime.utcnow()
        monitor = r.user.monitors[name]
        facet_name_by_kind = {
                         Monitor.KIND_HTTP: 'time',
                         Monitor.KIND_HTTPS: 'time',
                         Monitor.KIND_PING: 'rtt_avg',
                         Monitor.KIND_DNS: 'time',
                         }
        
        facet_name = facet_name_by_kind[monitor.kind]
        facet = r.session.query(Facet).filter_by(kind=monitor.kind, name=facet_name).one()

        query = select([t_monitor_log.c.ts, t_monitor_log.c.node, t_monitor_log.c.value],
                       and_(t_monitor_log.c.facet_id == facet.facet_id,
                            t_monitor_log.c.monitor_id == monitor.monitor_id,
                            t_monitor_log.c.ts > datetime_to_ts(now - timedelta(days=1))))
        query = query.order_by(t_monitor_log.c.ts.desc())
        
        if monitor.kind in [Monitor.KIND_HTTP, Monitor.KIND_HTTPS]:
            title = "Response time and availability for last 24 hours"
        elif monitor.kind == Monitor.KIND_PING:
            title = "Round trip time and availability for last 24 hours"
        else:
            title = "Unknown"

        all_series = [dict(title=title), 
                      [dict(legend='Missouri, US')],
                      [dict(legend='Georgia, US')],
                      [dict(legend='London, UK')],
                      ]
        
        result = r.session.execute(query)
        for ts, node, value in result:
            all_series[node].append(datetime_to_ts(ts_to_datetime(ts).astimezone(target_tz)))
            all_series[node].append(value)

        return all_series