NdoleStudio /
go-otelroundtripper
| Total Lines | 53 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | package otelroundtripper |
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| 2 | |||
| 3 | import ( |
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| 4 | "net/http" |
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| 5 | "strings" |
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| 6 | |||
| 7 | "go.opentelemetry.io/otel/attribute" |
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| 8 | "go.opentelemetry.io/otel/metric" |
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| 9 | ) |
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| 10 | |||
| 11 | // Option applies a configuration to the given config |
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| 12 | type Option interface { |
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| 13 | apply(cfg *config) |
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| 14 | } |
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| 15 | |||
| 16 | type optionFunc func(cfg *config) |
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| 17 | |||
| 18 | func (fn optionFunc) apply(cfg *config) { |
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| 19 | fn(cfg) |
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| 20 | } |
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| 21 | |||
| 22 | // WithParent sets the underlying http.RoundTripper which is wrapped by this round tripper. |
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| 23 | // If the provided http.RoundTripper is nil, http.DefaultTransport will be used as the base http.RoundTripper |
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| 24 | func WithParent(parent http.RoundTripper) Option { |
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| 25 | return optionFunc(func(cfg *config) { |
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| 26 | if parent != nil { |
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| 27 | cfg.parent = parent |
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| 28 | } |
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| 29 | }) |
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| 30 | } |
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| 31 | |||
| 32 | // WithName sets the prefix for the metrics emitted by this round tripper. |
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| 33 | // by default, the "http.client" name is used. |
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| 34 | func WithName(name string) Option { |
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| 35 | return optionFunc(func(cfg *config) { |
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| 36 | if strings.TrimSpace(name) != "" { |
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| 37 | cfg.name = strings.TrimSpace(name) |
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| 38 | } |
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| 39 | }) |
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| 40 | } |
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| 41 | |||
| 42 | // WithMeter sets the underlying metric.Meter that is used to create metric instruments |
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| 43 | // By default the no-op meter is used. |
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| 44 | func WithMeter(meter metric.Meter) Option { |
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| 45 | return optionFunc(func(cfg *config) { |
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| 46 | cfg.meter = meter |
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| 47 | }) |
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| 48 | } |
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| 49 | |||
| 50 | // WithAttributes sets a list of attribute.KeyValue labels for all metrics associated with this round tripper |
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| 51 | func WithAttributes(attributes ...attribute.KeyValue) Option { |
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| 52 | return optionFunc(func(cfg *config) { |
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| 53 | cfg.attributes = attributes |
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| 54 | }) |
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| 56 |
