Either add a TimeAdd function to the template's FuncMap, or use a constant:
{{ $timestamp := .StartsAt.Add 60000000000 }} //10m is 60000000000 ns
2020. június 12., péntek 17:43:56 UTC+2 időpontban Deepika a következőt
írta:
>
> *Objective:* To subtract 10 minutes from go's time.Time
> object(".StartsAt") in html template (In specific the prometheus
> alertmanager's email template: email_template.tmpl)
> *Code: *<tr><td>error_timestamp</td><td>{{ .StartsAt }}</td></tr>
>
> *Alertmanager version*: 0.20.0
>
> *Options tried and corresponding errors :*
>
> 1. <td>{{ .StartsAt.Add(-10*time.Minute) }}</td> ::::::: Unexpected
> operand "("
> 2. <td>{{ .StartsAt.Add "-10*time.Minute" }}</td> ::::::: expected
> integer; found "-10*time.Minute\""
> 3. {{ $timestamp := .StartsAt.Add "10m" }} :::::::::::::::: wrong type
> for value; expected time.Duration; got string
> 4. {{ $timestamp := Add .StartsAt "10m" }} ::::::::::: Add function not
> defined
> 5. {{ $timestamp := .StartsAt.Add -10*time.Minute }} :::::::::::: time
> function not defined
> 6. {{ $timestamp := .StartsAt.Add (-10*time.Minute) }} ::::::::::::
> illegal operand *
> 7. {{ $timestamp := .StartsAt.Add (time.duration "10m") }} ::::::::::::
> duration function not defined
> 8. {{ $timestamp := .StartsAt.Add (time.ParseDuration "10m") }}
> :::::::::::: time function not defined
> 9. {{ $timestamp := .StartsAt.Add 10 }} ::::::::::: No error. But no
> change in timestamp too.
>
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