prometheus alertname pass $value

[Prashant Singh]

Hi , 

I want to pass value or $value in alertname . it is possible to pass value in alertname .

- alert: SSLCertExpiringSoon $value

--

groups:

- name: Blackbox rules

rules:

- alert: SSLCertExpiringSoon

expr: probe_ssl_earliest_cert_expiry - time() < 86400 * 4

for: 1m

labels:

severity: warning

annotations:

description: "TLS certificate will expire in {{ $value | humanizeDuration }} (instance {{ $labels.instance }})"

[Brian Candler]

The alert name is the fixed identifier of the alert, e.g. "SSLCertExpiringSoon".  It is not dynamic.

What problem are you trying to solve?  There may be a different way to solve it, e.g. using templating in alertmanager at the time the alert is delivered.