|
4 | 4 | package otelconf // import "go.opentelemetry.io/contrib/otelconf" |
5 | 5 |
|
6 | 6 | import ( |
| 7 | + "encoding/json" |
7 | 8 | "fmt" |
8 | 9 | "reflect" |
| 10 | + |
| 11 | + yaml "go.yaml.in/yaml/v3" |
9 | 12 | ) |
10 | 13 |
|
11 | 14 | type errBound struct { |
@@ -101,6 +104,53 @@ func newErrInvalid(id string) error { |
101 | 104 | return &errInvalid{Identifier: id} |
102 | 105 | } |
103 | 106 |
|
| 107 | +// unmarshalSamplerTypes handles always_on and always_off sampler unmarshaling. |
| 108 | +func unmarshalSamplerTypes(raw map[string]any, plain *Sampler) { |
| 109 | + // always_on can be nil, must check and set here |
| 110 | + if _, ok := raw["always_on"]; ok { |
| 111 | + plain.AlwaysOn = AlwaysOnSampler{} |
| 112 | + } |
| 113 | + // always_off can be nil, must check and set here |
| 114 | + if _, ok := raw["always_off"]; ok { |
| 115 | + plain.AlwaysOff = AlwaysOffSampler{} |
| 116 | + } |
| 117 | +} |
| 118 | + |
| 119 | +// unmarshalTextMapPropagatorTypes handles all propagator type unmarshaling. |
| 120 | +func unmarshalTextMapPropagatorTypes(raw map[string]any, plain *TextMapPropagator) { |
| 121 | + // b3 can be nil, must check and set here |
| 122 | + if v, ok := raw["b3"]; ok && v == nil { |
| 123 | + plain.B3 = B3Propagator{} |
| 124 | + } |
| 125 | + if v, ok := raw["b3multi"]; ok && v == nil { |
| 126 | + plain.B3Multi = B3MultiPropagator{} |
| 127 | + } |
| 128 | + if v, ok := raw["baggage"]; ok && v == nil { |
| 129 | + plain.Baggage = BaggagePropagator{} |
| 130 | + } |
| 131 | + if v, ok := raw["jaeger"]; ok && v == nil { |
| 132 | + plain.Jaeger = JaegerPropagator{} |
| 133 | + } |
| 134 | + if v, ok := raw["ottrace"]; ok && v == nil { |
| 135 | + plain.Ottrace = OpenTracingPropagator{} |
| 136 | + } |
| 137 | + if v, ok := raw["tracecontext"]; ok && v == nil { |
| 138 | + plain.Tracecontext = TraceContextPropagator{} |
| 139 | + } |
| 140 | +} |
| 141 | + |
| 142 | +// unmarshalMetricProducer handles opencensus metric producer unmarshaling. |
| 143 | +func unmarshalMetricProducer(raw map[string]any, plain *MetricProducer) { |
| 144 | + // opencensus can be nil, must check and set here |
| 145 | + if v, ok := raw["opencensus"]; ok && v == nil { |
| 146 | + delete(raw, "opencensus") |
| 147 | + plain.Opencensus = OpenCensusMetricProducer{} |
| 148 | + } |
| 149 | + if len(raw) > 0 { |
| 150 | + plain.AdditionalProperties = raw |
| 151 | + } |
| 152 | +} |
| 153 | + |
104 | 154 | // validatePeriodicMetricReader handles validation for PeriodicMetricReader. |
105 | 155 | func validatePeriodicMetricReader(plain *PeriodicMetricReader) error { |
106 | 156 | if plain.Timeout != nil && 0 > *plain.Timeout { |
@@ -201,3 +251,91 @@ func validateSpanLimits(plain *SpanLimits) error { |
201 | 251 | func ptr[T any](v T) *T { |
202 | 252 | return &v |
203 | 253 | } |
| 254 | + |
| 255 | +var enumValuesAttributeType = []any{ |
| 256 | + nil, |
| 257 | + "string", |
| 258 | + "bool", |
| 259 | + "int", |
| 260 | + "double", |
| 261 | + "string_array", |
| 262 | + "bool_array", |
| 263 | + "int_array", |
| 264 | + "double_array", |
| 265 | +} |
| 266 | + |
| 267 | +// MarshalUnmarshaler combines marshal and unmarshal operations. |
| 268 | +type MarshalUnmarshaler interface { |
| 269 | + Marshal(v any) ([]byte, error) |
| 270 | + Unmarshal(data []byte, v any) error |
| 271 | +} |
| 272 | + |
| 273 | +// jsonCodec implements MarshalUnmarshaler for JSON. |
| 274 | +type jsonCodec struct{} |
| 275 | + |
| 276 | +func (jsonCodec) Marshal(v any) ([]byte, error) { |
| 277 | + return json.Marshal(v) |
| 278 | +} |
| 279 | + |
| 280 | +func (jsonCodec) Unmarshal(data []byte, v any) error { |
| 281 | + return json.Unmarshal(data, v) |
| 282 | +} |
| 283 | + |
| 284 | +// yamlCodec implements MarshalUnmarshaler for YAML. |
| 285 | +type yamlCodec struct{} |
| 286 | + |
| 287 | +func (yamlCodec) Marshal(v any) ([]byte, error) { |
| 288 | + return yaml.Marshal(v) |
| 289 | +} |
| 290 | + |
| 291 | +func (yamlCodec) Unmarshal(data []byte, v any) error { |
| 292 | + return yaml.Unmarshal(data, v) |
| 293 | +} |
| 294 | + |
| 295 | +// setConfigDefaults sets default values for disabled and log_level. |
| 296 | +func setConfigDefaults(raw map[string]any, plain *OpenTelemetryConfiguration, codec MarshalUnmarshaler) error { |
| 297 | + // Configure if the SDK is disabled or not. |
| 298 | + // If omitted or null, false is used. |
| 299 | + plain.Disabled = ptr(false) |
| 300 | + if v, ok := raw["disabled"]; ok && v != nil { |
| 301 | + marshaled, err := codec.Marshal(v) |
| 302 | + if err != nil { |
| 303 | + return err |
| 304 | + } |
| 305 | + var disabled bool |
| 306 | + if err := codec.Unmarshal(marshaled, &disabled); err != nil { |
| 307 | + return err |
| 308 | + } |
| 309 | + plain.Disabled = &disabled |
| 310 | + } |
| 311 | + |
| 312 | + // Configure the log level of the internal logger used by the SDK. |
| 313 | + // If omitted, info is used. |
| 314 | + plain.LogLevel = ptr("info") |
| 315 | + if v, ok := raw["log_level"]; ok && v != nil { |
| 316 | + marshaled, err := codec.Marshal(v) |
| 317 | + if err != nil { |
| 318 | + return err |
| 319 | + } |
| 320 | + var logLevel string |
| 321 | + if err := codec.Unmarshal(marshaled, &logLevel); err != nil { |
| 322 | + return err |
| 323 | + } |
| 324 | + plain.LogLevel = &logLevel |
| 325 | + } |
| 326 | + |
| 327 | + return nil |
| 328 | +} |
| 329 | + |
| 330 | +// validateStringField validates a string field is present and correct type. |
| 331 | +func validateStringField(raw map[string]any, fieldName string) (string, error) { |
| 332 | + v, ok := raw[fieldName] |
| 333 | + if !ok { |
| 334 | + return "", fmt.Errorf("cannot unmarshal field %s in NameStringValuePair required", fieldName) |
| 335 | + } |
| 336 | + str, ok := v.(string) |
| 337 | + if !ok { |
| 338 | + return "", fmt.Errorf("cannot unmarshal field %s in NameStringValuePair must be string", fieldName) |
| 339 | + } |
| 340 | + return str, nil |
| 341 | +} |
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