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 []
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]
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
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
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
