def remove_expired_alerts(self):
active_alerts = TSAlertsJSON.query_active().fetch()
for alert in active_alerts:
alert_age = utils.secs_ago(alert.json["alert_sent_utc"])
if alert_age > self.STALE_ALERT_TIMEOUT:
logging.info("%s expired. alert age: %d.", alert.key.id(), alert_age)
alert.active_until = dt.utcnow()
alert.json["active_until"] = dt.strftime(alert.active_until, "%s")
alert.put()
memcache.set(alert.key.id(), alert.json)
def get(self, timestamp=None):
result_json = {}
if not users.get_current_user():
result_json["login-url"] = users.create_login_url(self.request.uri)
return result_json
alerts = TSAlertsJSON.query_active().fetch()
if timestamp:
try:
time = dt.fromtimestamp(int(timestamp))
except ValueError:
self.response.set_status(400, "Invalid timestamp.")
return
if time > dt.utcnow():
self.response.write("Sheriff-o-matic cannot predict the future... yet.")
self.response.set_status(400, "Invalid timestamp.")
else:
time = dt.utcnow()
alerts += TSAlertsJSON.query(TSAlertsJSON.active_until > time).fetch()
history = []
for a in alerts:
ts, private = timestamp, a.json["private"]
in_range = not (ts and utils.secs_ago(a.json["active_since_utc"], ts) < 0)
permission = utils.is_googler() or not private
if in_range and permission:
history.append(a.json)
result_json.update(
{
"timestamp": time.strftime("%s"),
"time_string": time.strftime("%Y-%m-%d %H:%M:%S %Z"),
"active_alerts": history,
}
)
self.write_json(result_json)
