[EDIT]
Also I want to split the firing and resolved alerts.
Kolja Krückmann schrieb am Donnerstag, 8. Juni 2023 um 14:48:40 UTC+2:
> Hi all, I tried it now for two days straight and I just don't get it
> working.
>
> First of all where do I actually find the expressions I can use to define
> the subject under the header? I am still missing a template I can use? I
> don't really have one in my Prom/Alert-files.
> Second of all my current receivers are configured like so:
>
> receivers:
> - name: 'email'
> email_configs:
> - to: 'x...@xxx.com'
> send_resolved: true
> headers:
> Subject: "{{ .Alerts.alertname }} - {{ range .Alerts }} {{
> .Alerts.instance }} {{ end }}"
>
> Like Brian said, I want to iterate in the second half of that "statement"
> (I don't actually know how these {{ .xyz }} are called) through all
> instances and the first one should just say which alert is now firing.
> I also tried it as followed:
>
> Subject: "{{ .GroupLabels.alertname }} - {{ range .Alerts }} {{
> .Alerts.instance }} {{ end }}"
> and
> Subject: "{{ .Labels.alertname }} - {{ range .Alerts }} {{
> .Alerts.instance }} {{ end }}"
>
> but nothing is really working.
>
> All I really want is the Subject like so e.x.:
> InstanceDown - SVR-DS01 SVR-DC11
> ^^^^^^^^ ^^^^^^^^ ^^^^^^^^
> Alertname - Instance1 Instance2 (if it is also possible to
> seperate the instances via comma would be perfect)
> Brian Candler schrieb am Dienstag, 6. Juni 2023 um 13:16:53 UTC+2:
>
>> As its name implies, "CommonLabels" contains only those labels which are
>> common to all alerts in the group. If there are multiple instances, then
>> the "instance" label is not common to all alerts, so won't be in this
>> object.
>>
>> You want to iterate over "Alerts" (or "Alerts.Firing") and look at the
>> Labels.instance within each alert. You will find an example showing how to
>> do that here:
>>
>> https://prometheus.io/docs/alerting/latest/notification_examples/#ranging-over-all-received-alerts
>>
>> Additional references:
>> https://prometheus.io/docs/alerting/latest/notifications/#data
>>
>> https://prometheus.io/docs/prometheus/latest/configuration/template_reference/
>>
>> On Tuesday, 6 June 2023 at 12:03:03 UTC+1 Kolja Krückmann wrote:
>>
>>> Currently my alertmanager.yml looks like this:
>>>
>>> receivers:
>>> - name: 'email'
>>> email_configs:
>>> - to: 'x...@company.com'
>>> send_resolved: true
>>> headers:
>>> Subject: '{{ .CommonLabels.alertname }} - {{
>>> .CommonLabels.instance }}'
>>>
>>> Unfortunately the subject in the mail now only displays both labels if
>>> only there is an alert for a single instance (like High CPU Usage on core
>>> 0,1,2,3 on one instance (see screenshot attatched)) As soon as the alert is
>>> for more then just one instance the instance lable is completly missing...
>>> Why is it missing? And how can I change it to display all instances
>>> affected by that alert.
>>>
>>> Kind regards.
>>> Kolja
>>>
>>> [image: mail.png]
>>>
>>> Kolja Krückmann schrieb am Montag, 5. Juni 2023 um 09:21:22 UTC+2:
>>>
>>> Hi y'all
>>> I'm trying to change the way the mail from my alertmanger looks and
>>> behaves.
>>> My goal is to have the subject list the alertname and the targets
>>> detected by that alert. (I need it like that for future todo's)
>>> My first problem is, i dont have any templates in my files. Do I need to
>>> clone one from git? How does the prom know, I have a template?
>>> The second one would be to change the subject in order for my
>>> requirements to fit.
>>>
>>> Kind regards,
>>> Kolja
>>>
>>>
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