package opentelemetry.proto.common.v1

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AnyValue is used to represent any type of attribute value. AnyValue may contain a primitive value such as a string or integer or it may contain an arbitrary nested object containing arrays, key-value lists and primitives.

Used in: ArrayValue, KeyValue, logs.v1.LogRecord

• oneof value

  The value is one of the listed fields. It is valid for all values to be unspecified in which case this AnyValue is considered to be "empty".

  • string string_value = 1

  • bool bool_value = 2

  • int64 int_value = 3

  • double double_value = 4

  • ArrayValue array_value = 5

  • KeyValueList kvlist_value = 6

  • bytes bytes_value = 7

ArrayValue is a list of AnyValue messages. We need ArrayValue as a message since oneof in AnyValue does not allow repeated fields.

Used in: AnyValue

• repeated AnyValue values = 1

  Array of values. The array may be empty (contain 0 elements).

InstrumentationLibrary is a message representing the instrumentation library information such as the fully qualified name and version. InstrumentationLibrary is wire-compatible with InstrumentationScope for binary Protobuf format. This message is deprecated and will be removed on June 15, 2022.

Used in: logs.v1.InstrumentationLibraryLogs, metrics.v1.InstrumentationLibraryMetrics, trace.v1.InstrumentationLibrarySpans

• string name = 1

  An empty instrumentation library name means the name is unknown.

• string version = 2

InstrumentationScope is a message representing the instrumentation scope information such as the fully qualified name and version.

Used in: logs.v1.ScopeLogs, metrics.v1.ScopeMetrics, trace.v1.ScopeSpans

• string name = 1

  An empty instrumentation scope name means the name is unknown.

• string version = 2

KeyValue is a key-value pair that is used to store Span attributes, Link attributes, etc.

Used in: KeyValueList, logs.v1.LogRecord, metrics.v1.Exemplar, metrics.v1.ExponentialHistogramDataPoint, metrics.v1.HistogramDataPoint, metrics.v1.NumberDataPoint, metrics.v1.SummaryDataPoint, resource.v1.Resource, trace.v1.Span, trace.v1.Span.Event, trace.v1.Span.Link

• string key = 1

• optional AnyValue value = 2

KeyValueList is a list of KeyValue messages. We need KeyValueList as a message since `oneof` in AnyValue does not allow repeated fields. Everywhere else where we need a list of KeyValue messages (e.g. in Span) we use `repeated KeyValue` directly to avoid unnecessary extra wrapping (which slows down the protocol). The 2 approaches are semantically equivalent.

Used in: AnyValue

• repeated KeyValue values = 1

  A collection of key/value pairs of key-value pairs. The list may be empty (may contain 0 elements). The keys MUST be unique (it is not allowed to have more than one value with the same key).