Alertmanager config

[David Heinz]

Would anyone happen to have a sample Alertmanager.yml that includes the arbitrary key values here:

[ details: { <string>: <tmpl_string>, ... } | default = {
  firing:       '{{ template "pagerduty.default.instances" .Alerts.Firing }}'
  resolved:     '{{ template "pagerduty.default.instances" .Alerts.Resolved }}'
  num_firing:   '{{ .Alerts.Firing | len }}'
  num_resolved: '{{ .Alerts.Resolved | len }}'
}

https://prometheus.io/docs/alerting/latest/configuration/#pagerduty_config

I need to add a nodename value in this section, but can't seem to get the yaml right,  I would greatly appreciate any help at all.

[Julius Volz]

Hi,

The YAML syntax for that details portion should be:

details:

  mykey1: myvalue1

  mykey2: myvalue2

...and the default value (as indicated by your config docs snippet) would be fully written out like this:

details:

  resolved:     '{{ template "pagerduty.default.instances" .Alerts.Resolved }}'

  num_firing:   '{{ .Alerts.Firing | len }}'
  num_resolved: '{{ .Alerts.Resolved | len }}'

The docs just use a more JSON-style syntax since JSON is also a valid subset of YAML, so you could use { ... } JSON object notation as well.

Each of the values is a templateable string (as shown in the default value), so you can use variables and template functions in there to refer to e.g. alert labels and such.

Regards,

Julius

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Julius Volz

PromLabs - promlabs.com