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feat: add nocache url parameter option #1685

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feat: add nocache url parameter option #1685

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12 changes: 12 additions & 0 deletions api/prometheus/v1/api.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1079,6 +1079,7 @@ func (h *httpAPI) LabelValues(ctx context.Context, label string, matches []strin
type apiOptions struct {
timeout time.Duration
limit uint64
nocache bool
}

type Option func(c *apiOptions)
Expand All @@ -1099,6 +1100,13 @@ func WithLimit(limit uint64) Option {
}
}

// WithNoCache can be used to provide an optional nocache parameter for Query and QueryRange.
func WithNoCache() Option {
return func(o *apiOptions) {
o.nocache = true
}
}

func addOptionalURLParams(q url.Values, opts []Option) url.Values {
opt := &apiOptions{}
for _, o := range opts {
Expand All @@ -1113,6 +1121,10 @@ func addOptionalURLParams(q url.Values, opts []Option) url.Values {
q.Set("limit", strconv.FormatUint(opt.limit, 10))
}

if opt.nocache {
q.Set("nocache", "1")
}

return q
}

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