On 26/09/2022 12:02, Brian Candler wrote:
> When, I have multiple alerts for the same route with same severity,
all ended up in pagerduty as expected
Yes, because these are separate alerts that are not grouped together.
> But, when I have alerts triggered for the same instance with
different severity, then I have only one (may be also the first alert)
sent to pagerduty
But you said you've told alertmanager to group on "instance", so
that's what it will do: all alerts for the same instance (i.e. with
the same value of the 'instance' label) will be delivered in a single
message. Whether the *body* of the pagerduty message shows those
individual alerts, depends on how you've configured things.
You might want to show your alertmanager pagerduty_config
<https://prometheus.io/docs/alerting/latest/configuration/#pagerduty_config>,
and also your alert grouping config.
In general if you are sending alerts through to an external incident
management system (PagerDuty, OpsGenie, JIRA, etc.) you are probably
best not doing any grouping at all:
|group_by: ['...']|
--
Stuart Clark
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