We are tiying to define an alert flow based on measurements taken by
telegraf and stored in influx.
Started with the basic:
var stats = stream
| from()
.database('monitoring')
.measurement('cpu')
.where (lambda: "cpu" == 'cpu-total')
| groupBy ('project','roles','stage')
| alert()...
This will alert for all hosts that are gathering metrics... is there a way
to "refine" the filter stream in the alert node and apply different
thresholds or must I define different streams?
We need also
* register any evaluated state in influx or log
* send to slack any state change
* send to mail any CRITICAL / OK state change from any alerts tagged
"production"
For the first two tried to do something like
... | alert()
.id('....')
.warn(lambda: "usage_idle" < 40)
stats | influxDBOut()
.database('alerts')
.retentionPolicy('default')
.measurement('errors')
// some tags
stats.slack()
.channel('#kapacitor')
.stateChangesOnly(30m)
.message('{{ .ID }} is {{ .Level}} ({{ index .Fields "usage_idle"}})
It's valid but only state changes get pumped in influxdb, and I expected to
have any "OK" evaluatuon there. Must I define two separate | alert nodes to
have disctint behaviour?
Whe also tried to add
stats.crit(lambda: "usage_idle" < 20)
.email()
(whe have no idea how to filter "production ones" there) but also we get
the same result ¿This will be another | alert node perhaps with its own |
from node?
Thanks!. I'm just starting with tickscript (two days so far)
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