As others have commented, client “liveness” is provided via Sensu client keepalives, which is a built-in function of Sensu.
For similar results on an individual check basis, please refer to the check definition specification for check “TTL” (see https://sensuapp.org/docs/0.26/reference/checks.html#check-attributes, under “ttl”), which will cause the Sensu server to raise an alert if a result has not been received for a particular check in a predefined number of seconds.
I hope this helps!
On Tuesday, August 30, 2016 at 5:47:00 AM UTC-7, Sidharth Gupta wrote:
This may be more of a design question. Is it possible for sensu server check to warn if a client has NOT sent any message to it after a fixed amount of time has passed?
This is extremely useful in the case when the application/sensu client goes down and we get no alerts…