I'm following this example to define a re-usable
template: https://prometheus.io/blog/2016/03/03/custom-alertmanager-templates/
and alertmanager is not able to find the template
This is my alertmanager config file:
global:
smtp_smarthost: ''my.host:25'
smtp_hello: 'my.system'
smtp_from: 'my.adderss'
route:
receiver: test-email-receiver
group_by: [label1, label2]
receivers:
- name: 'test-email-receiver'
email_configs:
- to: '[email protected]'
text : '{{ template "custom.email" . }}'
templates:
- '/etc/alertmanager/templates/custom-email-template.tmpl'
This is the contents of /etc/alertmanager/custom-email-template.tmpl:
{{ define "custom.email" }}Test{{ end }}
I'm running the alertmanager:latest docker image, and it fails with the
error: template "custom.email" not defined
The custom template file is written to the local docker volume by a nomad
template stanza in the docker driver config, and mapped to
/etc/alertmanager/templates/custom-email-template.tmpl. I removed the text
entry in email_configs so I can successfully start the container and
connect to it with docker exec. I verified that the custom template file is
where I expect it to be and it has the expected contents. Alertmanager just
refuses to recognize the template. Either the example is wrong, or I'm
missing something.
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