dbrp "telegraf"."autogen"

var message = '''
{{- if eq .Level "OK" -}}
certificate for {{ index .Tags "site" }} has been renewed
{{- else -}}
certificate for {{ index .Tags "site" }} is about to expire
{{- end -}}
'''

var details = '''
{{- if eq .Level "OK" -}}
certificate for {{ index .Tags "site" }} now expires in {{ index .Fields "days_remaining" }} days
{{- else -}}
certificate for {{ index .Tags "site" }} has only {{ index .Fields "days_remaining" }} days remaining
{{- end -}}
'''

stream
|from()
    .measurement('certbot')
    .groupBy('site')
|max('days_remaining')
    .as('days_remaining')
|alert()
    .crit(lambda: "days_remaining" < 7)
    .message(message)
    .details(details)