While working on
https://github.com/open-telemetry/opentelemetry-go/pull/8306, I found an
off-by-one error.
Reset was setting `r.next` to `k`, and then calling advance(), which
meant `r.next` was always at least `k+1`.
The first `k` exemplars are unconditionally stored during the "fill"
phase. Count is incremented at the end of the Offer call, so the `k+1`th
exemplar was **never** stored because `r.next` is `k` when that Offer
call is being evaluated.
---------
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
Making some cleanups to the existing limitedSyncMap before
https://github.com/open-telemetry/opentelemetry-go/pull/8276.
### Changes
limitedSyncMap uses generics to eliminate the need to use type
assertions in the aggregators themselves, and moves all type assertions
to be internal to the limitedSyncMap implementation
Testing
* Added two new tests for limitedSyncMap: a ConcurrentSafe test, and a
test that ensures the overflow limit is correctly enforced after it is
Cleared.
Co-authored-by: Robert Pająk <pellared@hotmail.com>
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
Prevent internal trace exporter logging from including endpoint
configuration.
`MarshalLog` now keeps the existing log shape where practical, but logs
exporter/client type strings instead of recursively serializing exporter
and client internals. OTLP trace HTTP/gRPC and Zipkin exporter log
payloads no longer include endpoint URLs, embedded credentials, query
tokens, internal hostnames, or insecure transport configuration.
## Changes
- Stop recursive logging of trace exporter/client config from
`sdk/trace` span processors and `otlptrace.Exporter`.
- Remove endpoint/URL fields from OTLP trace HTTP/gRPC and Zipkin
`MarshalLog` output.
- Add regression coverage for credential-bearing endpoints not appearing
in internal log output.
When `ExportOp.End` is called with a non-nil error and `exportedSpans`
metric is disabled but `opDuration` is enabled, the `error.type`
attribute is not included in the duration histogram record.
---------
Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
|
[github.com/charmbracelet/ultraviolet](https://redirect.github.com/charmbracelet/ultraviolet)
| indirect | digest | `6cf7526` → `35bcb73` |
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| [golang.org/x/exp](https://pkg.go.dev/golang.org/x/exp) | require |
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This PR contains the following updates:
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|
[github/codeql-action](https://redirect.github.com/github/codeql-action)
| action | patch | `v4.36.1` → `v4.36.2` |
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This PR contains the following updates:
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[github.com/golangci/rowserrcheck](https://redirect.github.com/golangci/rowserrcheck)
| indirect | digest | `8d53bbc` → `0ec5bd2` |
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This PR contains the following updates:
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[github/codeql-action](https://redirect.github.com/github/codeql-action)
| action | patch | `v4.36.0` → `v4.36.1` |
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This PR updates the log, metric, and trace exporters to read the HTTP
`Retry-After` header as seconds when retrying OTLP HTTP exports.
Previously, these exporters converted the parsed integer directly to
`time.Duration`, so values such as Retry-After: 10 were honored as 10ns
instead of 10s. This means that no otel go client has respected
`Retry-After`, which makes it not spec compliant as per
https://opentelemetry.io/docs/specs/otlp/#otlphttp-throttling
> If the server receives more requests than the client is allowed or the
server is overloaded, the server SHOULD respond with HTTP 429 Too Many
Requests or HTTP 503 Service Unavailable and MAY include
[“Retry-After”](https://tools.ietf.org/html/rfc7231#section-7.1.3)
header with a recommended time interval in seconds to wait before
retrying.
>
> The client SHOULD honour the waiting interval specified in the
“Retry-After” header if it is present. If the client receives a
retryable error code (see [table
above](https://opentelemetry.io/docs/specs/otlp/#retryable-response-codes))
and the “Retry-After” header is not present in the response, then the
client SHOULD implement an exponential backoff strategy between retries.
This problem has existed since the start of all the exporter usage.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [golang.org/x/exp](https://pkg.go.dev/golang.org/x/exp) | require |
digest | `08cc537` → `c761662` |
|
[golang.org/x/exp/typeparams](https://pkg.go.dev/golang.org/x/exp/typeparams)
| indirect | digest | `08cc537` → `c761662` |
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Share the AddOption and RecordOption pools used by generated semconv
metric helpers through a small internal package, instead of emitting one
pair of pools in every generated metric package.
Regenerate semconv/v1.41.0 from the updated templates.
Fixes#8356
---------
Co-authored-by: Robert Pająk <pellared@hotmail.com>
### Added
- Add `ByteSlice` and `ByteSliceValue` functions for new `BYTESLICE`
attribute type in `go.opentelemetry.io/otel/attribute`. (#7948)
- Apply attribute value limit to the `KindBytes` attribute type in
`go.opentelemetry.io/otel/sdk/log`. (#7990)
- Apply attribute value limit to the `BYTESLICE` attribute type in
`go.opentelemetry.io/otel/sdk/trace`. (#7990)
- Support `BYTESLICE` attributes in `go.opentelemetry.io/otel/trace`.
(#8153)
- Support `BYTESLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace`. (#8153)
- Support `BYTESLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlplog`. (#8153)
- Support `BYTESLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric`. (#8153)
- Support `BYTESLICE` attributes in
`go.opentelemetry.io/otel/exporters/zipkin`. (#8153)
- Add `String` method for `Value` type in
`go.opentelemetry.io/otel/attribute`. (#8142)
- Add `Slice` and `SliceValue` functions for new `SLICE` attribute type
in `go.opentelemetry.io/otel/attribute`. (#8166)
- Support `SLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace`. (#8216)
- Support `SLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlplog`. (#8216)
- Support `SLICE` attributes in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric`. (#8216)
- Support `SLICE` attributes in
`go.opentelemetry.io/otel/exporters/zipkin`. (#8216)
- Apply `AttributeValueLengthLimit` to `attribute.SLICE` type attribute
values in `go.opentelemetry.io/otel/sdk/trace`, recursively truncating
contained string values. (#8217)
- Add `Error` field on `Record` type in
`go.opentelemetry.io/otel/log/logtest`. (#8148)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`.
(#8157)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`.
(#8157)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
(#8157)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
(#8157)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`. (#8157)
- Add `WithMaxRequestSize` option in
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#8157)
- Add `Settable` to `go.opentelemetry.io/otel/metric/x` to allow reusing
attribute options. (#8178)
- Add experimental support for splitting metric data across multiple
batches in `go.opentelemetry.io/otel/sdk/metric`.
Set `OTEL_GO_X_METRIC_EXPORT_BATCH_SIZE=<max_size>` to enable for all
periodic readers.
See `go.opentelemetry.io/otel/sdk/metric/internal/x` for feature
documentation. (#8071)
- Add experimental self-observability metrics in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
Enable with `OTEL_GO_X_SELF_OBSERVABILITY=true` environment variable.
See
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc/internal/x`
for feature documentation. (#8192)
- Add experimental self-observability metrics in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
Enable with `OTEL_GO_X_SELF_OBSERVABILITY=true` environment variable.
See
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp/internal/x`
for feature documentation. (#8194)
- Add experimental self-observability metrics in
`go.opentelemetry.io/otel/exporters/stdout/stdoutlog`.
Enable with `OTEL_GO_X_SELF_OBSERVABILITY=true` environment variable.
See `go.opentelemetry.io/otel/stdout/stdoutlog/internal/x` for feature
documentation. (#8263)
- Add `WithDefaultAttributes` to `go.opentelemetry.io/otel/metric/x` to
support setting default attributes on instruments. (#8135)
- Add `go.opentelemetry.io/otel/semconv/v1.41.0` package.
The package contains semantic conventions from the `v1.41.0` version of
the OpenTelemetry Semantic Conventions.
See the [migration documentation](./semconv/v1.41.0/MIGRATION.md) for
information on how to upgrade from
`go.opentelemetry.io/otel/semconv/v1.40.0`. (#8324)
- Add Observable variants of instruments to
`go.opentelemetry.io/otel/semconv/v1.41.0` package. (#8350)
- Generate explicit histogram bucket boundaries from weaver
configuration for HTTP and RPC duration instruments in
`go.opentelemetry.io/otel/semconv/v1.41.0`. (#8002)
### Changed
- ⚠️ **Breaking Change:** `go.opentelemetry.io/otel/sdk/metric` now
applies a default cardinality limit of 2000 to comply with the Metrics
SDK specification recommendation.
New attribute sets are dropped when the cardinality limit is reached.
The measurement of these sets are aggregated into a special attribute
set containing `attribute.Bool("otel.metric.overflow", true)`.
This can break users who relied on the previous unlimited default.
Set `WithCardinalityLimit(0)` or the deprecated
`OTEL_GO_X_CARDINALITY_LIMIT=0` environment variable to preserve
unlimited cardinality.
Note that support for `OTEL_GO_X_CARDINALITY_LIMIT` may be removed in a
future release. (#8247)
- `ErrorType` in `go.opentelemetry.io/otel/semconv` now unwraps errors
created with `fmt.Errorf` when deriving the `error.type` attribute.
(#8133)
- `go.opentelemetry.io/otel/sdk/log` now unwraps error chains created
with `fmt.Errorf` when deriving the `error.type` attribute from errors
on log records. (#8133)
- `Set.MarshalLog` method in `go.opentelemetry.io/otel/attribute` now
uses `Value.String` formatting following the [OpenTelemetry AnyValue
representation for non-OTLP
protocols](https://opentelemetry.io/docs/specs/otel/common/#anyvalue).
(#8169)
- Optimize `go.opentelemetry.io/otel/sdk/metric` to return a drop
reservoir and short-circuit `Offer` calls to the exemplar reservoir when
`exemplar.AlwaysOffFilter` is configured. (#8211) (#8267)
- Optimize `go.opentelemetry.io/otel/sdk/metric` to return a drop
reservoir for asynchronous instruments when `exemplar.TraceBasedFilter`
is configured. (#8286)
### Deprecated
- Deprecate `Value.Emit` method in `go.opentelemetry.io/otel/attribute`.
Use `Value.String` instead. (#8176)
### Fixed
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Limit OTLP request size to 64 MiB by default in
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`.
The limit applies before compression, oversized requests are treated as
non-retryable errors, and the limit can be configured with the new
`WithMaxRequestSize` option. (#8157, #8365)
- Fix gzipped request body replay on redirect in
`go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`.
(#8135)
- Fix gzipped request body replay on redirect in
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#8152)
- `go.opentelemetry.io/otel/exporters/prometheus` now uses
`Value.String` formatting for label values following the [OpenTelemetry
AnyValue representation for non-OTLP
protocols](https://opentelemetry.io/docs/specs/otel/common/#anyvalue).
(#8170)
- Propagate errors from the exporter when calling `Shutdown` on
`BatchSpanProcessor` in `go.opentelemetry.io/otel/sdk/trace`. (#8197)
- Fix stale status code reporting on self-observability metrics in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp` and
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#8226)
- Fix a concurrent `Collect` data race and potential panic in
`go.opentelemetry.io/otel/exporters/prometheus` when
`WithResourceAsConstantLabels` option is used. (#8227)
- Fix race condition in `FixedSizeReservoir` in
`go.opentelemetry.io/otel/sdk/metric/exemplar` by reverting #7447.
(#8249)
- Fix `FixedSizeReservoir` in
`go.opentelemetry.io/otel/sdk/metric/exemplar` to safely handle zero
size.
A capacity check in the constructor initializes the reservoir safely and
skips initialization for zero-cap; early returns in `Offer()` and
`Collect()` ensure no-op behavior. (#8295)
- Fix counting of spans and logs in self-observability metrics in
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc`,
`go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp`,
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc`, and
`go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp`. (#8254)
- Drop conflicting scope attributes named `name`, `version`, or
`schema_url` from metric labels in
`go.opentelemetry.io/otel/exporters/prometheus`, preserving the
dedicated `otel_scope_name`, `otel_scope_version`, and
`otel_scope_schema_url` labels. (#8264)
- Close schema files opened by `ParseFile` in
`go.opentelemetry.io/otel/schema/v1.0` and
`go.opentelemetry.io/otel/schema/v1.1`.
([GHSA-995v-fvrw-c78m](https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-995v-fvrw-c78m))
- Enforce the 8192-byte baggage size limit during extraction/parsing,
changing behavior when the limit is exceeded in
`go.opentelemetry.io/otel/baggage` and
`go.opentelemetry.io/otel/propagation`. (#8222)
- Fix `go.opentelemetry.io/otel/semconv/v1.41.0` to include `Attr*`
helper methods for required attributes on observable instruments.
(#8361)
- Limit baggage extraction error reporting in
`go.opentelemetry.io/otel/propagation` to prevent malformed or oversized
baggage headers from flooding logs.
([GHSA-5wrp-cwcj-q835](https://github.com/open-telemetry/opentelemetry-go/security/advisories/GHSA-5wrp-cwcj-q835))
ref: https://github.com/open-telemetry/opentelemetry-go/issues/7020
```txt
goos: darwin
goarch: arm64
pkg: go.opentelemetry.io/otel/exporters/stdout/stdoutlog
│ bench_observability_disabled_6x.txt │ bench_observability_upload_6x.txt │
│ sec/op │ sec/op vs base │
ExporterObservability/Disabled-8 3.968µ ± 1%
ExporterObservability/UploadSuccess-8 4.236µ ± 2%
geomean 3.967µ 4.235µ ? ¹ ²
¹ benchmark set differs from baseline; geomeans may not be comparable
² ratios must be >0 to compute geomean
│ bench_observability_disabled_6x.txt │ bench_observability_upload_6x.txt │
│ B/op │ B/op vs base │
ExporterObservability/Disabled-8 1.419Ki ± 0%
ExporterObservability/UploadSuccess-8 1.420Ki ± 0%
geomean 1.419Ki 1.420Ki ? ¹ ²
¹ benchmark set differs from baseline; geomeans may not be comparable
² ratios must be >0 to compute geomean
│ bench_observability_disabled_6x.txt │ bench_observability_upload_6x.txt │
│ allocs/op │ allocs/op vs base │
ExporterObservability/Disabled-8 33.00 ± 0%
ExporterObservability/UploadSuccess-8 33.00 ± 0%
geomean 33.00 33.00 ? ¹ ²
¹ benchmark set differs from baseline; geomeans may not be comparable
² ratios must be >0 to compute geomean
```
David Ashpole
Abhijeet Prasad
Robert Pająk
ian
renovate[bot]
Ilya Kiselev
Abhijeet Prasad
Ayush
Aakash T M
Ali Asghar