Fix#5343
- Update the `evictionQueue` to log when it drops a value
- Update the `evictionQueue` to be declared over an `[T any]` parameter
so it knows what to log when it is dropping a value and to reduce the
`interface{}` allocation
- Add a `clone` method to replace the now unneeded
`interfaceArrayTo*Array` functions.
- Update the `recordingSpan` to log once that is dropped an attribute
when limits are reached.
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From
https://github.com/open-telemetry/opentelemetry-go-contrib/pull/5654#discussion_r1617971674
Constructing a view requires an `Instrument` to be constructed. Given
`NewView` will not return an error directly when an empty instrument is
passed, it may be ideal for users to check this prior to making the
call. Instead of having all use-cases copy this code, export it so they
can just call the method.
Fix#5342
Run of `go test -v -timeout 10s -short -count=10000 ./...
-run='TestBatchProcessor/ForceFlush/ErrorPartialFlush'`
**Before**:
Failed with `panic: test timed out after 10s`
**After**:
Passed
Problem was with `bufferExporter.input` chan.
In test expected:
> 1 export being performed, 1 export in buffer chan, >1 batch
But buffer chan wasn't checked. Now we ensure, that record is in buffer
chan
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
Fix#5384
Run of `go test -count=1000000 -run="TestBatchProcessor/DroppedLogs"`
**Before**:
Failed with either `Condition never satisfied` or panic
**After**:
Passed
First, bytes.Buffer is not thread-safe, so writing log and reading
(`bytes.String()`) caused panic. Added `concurrentBuffer`
Second, fixed flaky test with 4 records:
1. Record goes to `testExporter.Export` function and blocks in this
function because of `ExportTrigger`
(19ee6d4775/sdk/log/exporter_test.go (L87))
2. Record goes to `bufferExporter.input`
(7c5e64cccc/sdk/log/exporter.go (L129))
3. Record goes to `BatchProcessor.q` queue and it could not be enqueued
to export, because `bufferExporter.input` is full
4. Record goes to `BatchProcessor.q` and because of overfill, drops
third record
---------
Co-authored-by: Sam Xie <sam@samxie.me>
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Fix#5317
According to the
[specification](https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/logs/sdk.md#logrecord-limits),
there should be a message printed in the SDK's log to indicate to the
user that an attribute was discarded due to such a limit. To prevent
excessive logging, the message must be printed at most once per
`LogRecord` (i.e., not per discarded attribute).
This change centralizes the `Record` dropped field writes and calls a
global logging function. This will at most log once per any `Record`
dropping attributes, meeting the specification requirement.
This does not log once per `Record` when an attribute is dropped. To do
that we would need to maintain state within the `Record` (i.e.
`sync.Mutex` or `sync.Once`). These types cannot be copied, meaning the
`Record` would take on this "no copy" requirement. This seems too
restrictive and with the permissive specification allowing a single log
line, that is the solution added.
---------
Co-authored-by: Robert Pająk <pellared@hotmail.com>
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Leftover after
https://github.com/open-telemetry/opentelemetry-go/pull/5230
We want to have the benchmarks working with 5+ attributes as this is
when allocations kick in.
Before changes:
```
BenchmarkLoggerNewRecord/5_attributes-16 4016042 309.0 ns/op 0 B/op 0 allocs/op
BenchmarkLoggerNewRecord/10_attributes-16 2150197 543.4 ns/op 0 B/op 0 allocs/op
```
After changes:
```
BenchmarkLoggerNewRecord/5_attributes-16 3779966 311.1 ns/op 0 B/op 0 allocs/op
BenchmarkLoggerNewRecord/10_attributes-16 1000000 1314 ns/op 610 B/op 4 allocs/op
```
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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Fix#5384
On single-threaded, or in general slow, systems where the log message
may not be emitted, use assert.Everything to allow multiple lookups for
the expected log message.
Co-authored-by: Sam Xie <sam@samxie.me>
This release includes the first beta release of the OpenTelemetry Logs
Bridge API and SDK for Go.
### Added
- Add example for `go.opentelemetry.io/otel/exporters/stdout/stdoutlog`.
(#5242)
- Add `RecordFactory` in `go.opentelemetry.io/otel/sdk/log/logtest` to
facilitate testing exporter and processor implementations. (#5258)
- Add `RecordFactory` in `go.opentelemetry.io/otel/log/logtest` to
facilitate testing bridge implementations. (#5263)
- The count of dropped records from the `BatchProcessor` in
`go.opentelemetry.io/otel/sdk/log` is logged. (#5276)
- Add metrics in the `otel-collector` example. (#5283)
- Add the synchronous gauge instrument to
`go.opentelemetry.io/otel/metric`. (#5304)
- An `int64` or `float64` synchronous gauge instrument can now be
created from a `Meter`.
- All implementations of the API
(`go.opentelemetry.io/otel/metric/noop`,
`go.opentelemetry.io/otel/sdk/metric`) are updated to support this
instrument.
- Add logs to `go.opentelemetry.io/otel/example/dice`. (#5349)
### Changed
- The `Shutdown` method of `Exporter` in
`go.opentelemetry.io/otel/exporters/stdout/stdouttrace` ignores the
context cancellation and always returns `nil`. (#5189)
- The `ForceFlush` and `Shutdown` methods of the exporter returned by
`New` in `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric` ignore
the context cancellation and always return `nil`. (#5189)
- Apply the value length limits to `Record` attributes in
`go.opentelemetry.io/otel/sdk/log`. (#5230)
- De-duplicate map attributes added to a `Record` in
`go.opentelemetry.io/otel/sdk/log`. (#5230)
- `go.opentelemetry.io/otel/exporters/stdout/stdoutlog` won't print
timestamps when `WithoutTimestamps` option is set. (#5241)
- The `go.opentelemetry.io/otel/exporters/stdout/stdoutlog` exporter
won't print `AttributeValueLengthLimit` and `AttributeCountLimit` fields
now, instead it prints the `DroppedAttributes` field. (#5272)
- Improved performance in the `Stringer` implementation of
`go.opentelemetry.io/otel/baggage.Member` by reducing the number of
allocations. (#5286)
- Set the start time for last-value aggregates in
`go.opentelemetry.io/otel/sdk/metric`. (#5305)
- The `Span` in `go.opentelemetry.io/otel/sdk/trace` will record links
without span context if either non-empty `TraceState` or attributes are
provided. (#5315)
- Upgrade all dependencies of `go.opentelemetry.io/otel/semconv/v1.24.0`
to `go.opentelemetry.io/otel/semconv/v1.25.0`. (#5374)
### Fixed
- Comparison of unordered maps for
`go.opentelemetry.io/otel/log.KeyValue` and
`go.opentelemetry.io/otel/log.Value`. (#5306)
- Fix the empty output of `go.opentelemetry.io/otel/log.Value` in
`go.opentelemetry.io/otel/exporters/stdout/stdoutlog`. (#5311)
- Split the behavior of `Recorder` in
`go.opentelemetry.io/otel/log/logtest` so it behaves as a
`LoggerProvider` only. (#5365)
- Fix wrong package name of the error message when parsing endpoint URL
in `go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`.
(#5371)
- Identify the `Logger` returned from the global `LoggerProvider` in
`go.opentelemetry.io/otel/log/global` with its schema URL. (#5375)
#5304 introduced the following incompatible changes:
- `InstrumentKindObservableCounter`: value changed from 4 to 5
- `InstrumentKindObservableGauge`: value changed from 6 to 7
- `InstrumentKindObservableUpDownCounter`: value changed from 5 to 6
This reverts that change, making `InstrumentKindGauge` explicitly `7`.
Additionally, this removes the use of `iota` to prevent this kind of
breaking change from being accidentally introduced in the future.
[](https://renovatebot.com)
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [codecov/codecov-action](https://togithub.com/codecov/codecov-action)
| action | patch | `v4.4.0` -> `v4.4.1` |
---
### Release Notes
<details>
<summary>codecov/codecov-action (codecov/codecov-action)</summary>
###
[`v4.4.1`](https://togithub.com/codecov/codecov-action/compare/v4.4.0...v4.4.1)
[Compare
Source](https://togithub.com/codecov/codecov-action/compare/v4.4.0...v4.4.1)
</details>
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are satisfied.
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Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
The current logtest.Recorder implementation is wrong. We have a single
`Recorder`, which acts as both a `LoggerProvider`, and a `Logger`,
making it possible to emit a log entry with the root recorder, which
shouldn't be possible with the API.
This change introduces a new private struct, `logger` that acts as the
recording logger, while `Recorder` becomes only a LoggerProvider and not
a Logger anymore.
Closes#5357.
---------
Co-authored-by: Robert Pająk <pellared@hotmail.com>
