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Phase 2: Implement Execution Environment Abstraction (v0.3.0)

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This commit implements Phase 2 of the CHORUS Task Execution Engine development plan,
providing a comprehensive execution environment abstraction layer with Docker
container sandboxing support.

## New Features

### Core Sandbox Interface
- Comprehensive ExecutionSandbox interface with isolated task execution
- Support for command execution, file I/O, environment management
- Resource usage monitoring and sandbox lifecycle management
- Standardized error handling with SandboxError types and categories

### Docker Container Sandbox Implementation
- Full Docker API integration with secure container creation
- Transparent repository mounting with configurable read/write access
- Advanced security policies with capability dropping and privilege controls
- Comprehensive resource limits (CPU, memory, disk, processes, file handles)
- Support for tmpfs mounts, masked paths, and read-only bind mounts
- Container lifecycle management with proper cleanup and health monitoring

### Security & Resource Management
- Configurable security policies with SELinux, AppArmor, and Seccomp support
- Fine-grained capability management with secure defaults
- Network isolation options with configurable DNS and proxy settings
- Resource monitoring with real-time CPU, memory, and network usage tracking
- Comprehensive ulimits configuration for process and file handle limits

### Repository Integration
- Seamless repository mounting from local paths to container workspaces
- Git configuration support with user credentials and global settings
- File inclusion/exclusion patterns for selective repository access
- Configurable permissions and ownership for mounted repositories

### Testing Infrastructure
- Comprehensive test suite with 60+ test cases covering all functionality
- Docker integration tests with Alpine Linux containers (skipped in short mode)
- Mock sandbox implementation for unit testing without Docker dependencies
- Security policy validation tests with read-only filesystem enforcement
- Resource usage monitoring and cleanup verification tests

## Technical Details

### Dependencies Added
- github.com/docker/docker v28.4.0+incompatible - Docker API client
- github.com/docker/go-connections v0.6.0 - Docker connection utilities
- github.com/docker/go-units v0.5.0 - Docker units and formatting
- Associated Docker API dependencies for complete container management

### Architecture
- Interface-driven design enabling multiple sandbox implementations
- Comprehensive configuration structures for all sandbox aspects
- Resource usage tracking with detailed metrics collection
- Error handling with retryable error classification
- Proper cleanup and resource management throughout sandbox lifecycle

### Compatibility
- Maintains backward compatibility with existing CHORUS architecture
- Designed for future integration with Phase 3 Core Task Execution Engine
- Extensible design supporting additional sandbox implementations (VM, process)

This Phase 2 implementation provides the foundation for secure, isolated task
execution that will be integrated with the AI model providers from Phase 1
in the upcoming Phase 3 development.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
anthonyrawlins
2025-09-25 14:28:08 +10:00
parent d1252ade69
commit 8d9b62daf3
653 changed files with 88039 additions and 3766 deletions
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30
vendor/go.opentelemetry.io/otel/metric/LICENSE generated vendored
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@@ -199,3 +199,33 @@
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
--------------------------------------------------------------------------------
Copyright 2009 The Go Authors.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google LLC nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

3
vendor/go.opentelemetry.io/otel/metric/README.md generated vendored Normal file
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@@ -0,0 +1,3 @@
# Metric API
[![PkgGoDev](https://pkg.go.dev/badge/go.opentelemetry.io/otel/metric)](https://pkg.go.dev/go.opentelemetry.io/otel/metric)

33
vendor/go.opentelemetry.io/otel/metric/asyncfloat64.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -50,7 +39,7 @@ type Float64ObservableCounter interface {
}
// Float64ObservableCounterConfig contains options for asynchronous counter
// instruments that record int64 values.
// instruments that record float64 values.
type Float64ObservableCounterConfig struct {
description string
unit string
@@ -108,7 +97,7 @@ type Float64ObservableUpDownCounter interface {
}
// Float64ObservableUpDownCounterConfig contains options for asynchronous
// counter instruments that record int64 values.
// counter instruments that record float64 values.
type Float64ObservableUpDownCounterConfig struct {
description string
unit string
@@ -117,7 +106,9 @@ type Float64ObservableUpDownCounterConfig struct {
// NewFloat64ObservableUpDownCounterConfig returns a new
// [Float64ObservableUpDownCounterConfig] with all opts applied.
func NewFloat64ObservableUpDownCounterConfig(opts ...Float64ObservableUpDownCounterOption) Float64ObservableUpDownCounterConfig {
func NewFloat64ObservableUpDownCounterConfig(
opts ...Float64ObservableUpDownCounterOption,
) Float64ObservableUpDownCounterConfig {
var config Float64ObservableUpDownCounterConfig
for _, o := range opts {
config = o.applyFloat64ObservableUpDownCounter(config)
@@ -165,7 +156,7 @@ type Float64ObservableGauge interface {
}
// Float64ObservableGaugeConfig contains options for asynchronous counter
// instruments that record int64 values.
// instruments that record float64 values.
type Float64ObservableGaugeConfig struct {
description string
unit string
@@ -224,7 +215,7 @@ type Float64Observer interface {
}
// Float64Callback is a function registered with a Meter that makes
// observations for a Float64Observerable instrument it is registered with.
// observations for a Float64Observable instrument it is registered with.
// Calls to the Float64Observer record measurement values for the
// Float64Observable.
//
@@ -250,12 +241,16 @@ type float64CallbackOpt struct {
cback Float64Callback
}
func (o float64CallbackOpt) applyFloat64ObservableCounter(cfg Float64ObservableCounterConfig) Float64ObservableCounterConfig {
func (o float64CallbackOpt) applyFloat64ObservableCounter(
cfg Float64ObservableCounterConfig,
) Float64ObservableCounterConfig {
cfg.callbacks = append(cfg.callbacks, o.cback)
return cfg
}
func (o float64CallbackOpt) applyFloat64ObservableUpDownCounter(cfg Float64ObservableUpDownCounterConfig) Float64ObservableUpDownCounterConfig {
func (o float64CallbackOpt) applyFloat64ObservableUpDownCounter(
cfg Float64ObservableUpDownCounterConfig,
) Float64ObservableUpDownCounterConfig {
cfg.callbacks = append(cfg.callbacks, o.cback)
return cfg
}

23
vendor/go.opentelemetry.io/otel/metric/asyncint64.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -116,7 +105,9 @@ type Int64ObservableUpDownCounterConfig struct {
// NewInt64ObservableUpDownCounterConfig returns a new
// [Int64ObservableUpDownCounterConfig] with all opts applied.
func NewInt64ObservableUpDownCounterConfig(opts ...Int64ObservableUpDownCounterOption) Int64ObservableUpDownCounterConfig {
func NewInt64ObservableUpDownCounterConfig(
opts ...Int64ObservableUpDownCounterOption,
) Int64ObservableUpDownCounterConfig {
var config Int64ObservableUpDownCounterConfig
for _, o := range opts {
config = o.applyInt64ObservableUpDownCounter(config)
@@ -223,7 +214,7 @@ type Int64Observer interface {
}
// Int64Callback is a function registered with a Meter that makes observations
// for an Int64Observerable instrument it is registered with. Calls to the
// for an Int64Observable instrument it is registered with. Calls to the
// Int64Observer record measurement values for the Int64Observable.
//
// The function needs to complete in a finite amount of time and the deadline
@@ -253,7 +244,9 @@ func (o int64CallbackOpt) applyInt64ObservableCounter(cfg Int64ObservableCounter
return cfg
}
func (o int64CallbackOpt) applyInt64ObservableUpDownCounter(cfg Int64ObservableUpDownCounterConfig) Int64ObservableUpDownCounterConfig {
func (o int64CallbackOpt) applyInt64ObservableUpDownCounter(
cfg Int64ObservableUpDownCounterConfig,
) Int64ObservableUpDownCounterConfig {
cfg.callbacks = append(cfg.callbacks, o.cback)
return cfg
}

13
vendor/go.opentelemetry.io/otel/metric/config.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"

33
vendor/go.opentelemetry.io/otel/metric/doc.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
/*
Package metric provides the OpenTelemetry API used to measure metrics about
@@ -68,6 +57,23 @@ asynchronous measurement, a Gauge ([Int64ObservableGauge] and
See the [OpenTelemetry documentation] for more information about instruments
and their intended use.
# Instrument Name
OpenTelemetry defines an [instrument name syntax] that restricts what
instrument names are allowed.
Instrument names should ...
- Not be empty.
- Have an alphabetic character as their first letter.
- Have any letter after the first be an alphanumeric character, ‘_’, ‘.’,
‘-’, or ‘/’.
- Have a maximum length of 255 letters.
To ensure compatibility with observability platforms, all instruments created
need to conform to this syntax. Not all implementations of the API will validate
these names, it is the callers responsibility to ensure compliance.
# Measurements
Measurements are made by recording values and information about the values with
@@ -149,7 +155,7 @@ of [go.opentelemetry.io/otel/metric].
Finally, an author can embed another implementation in theirs. The embedded
implementation will be used for methods not defined by the author. For example,
an author who want to default to silently dropping the call can use
an author who wants to default to silently dropping the call can use
[go.opentelemetry.io/otel/metric/noop]:
import "go.opentelemetry.io/otel/metric/noop"
@@ -164,6 +170,7 @@ It is strongly recommended that authors only embed
That implementation is the only one OpenTelemetry authors can guarantee will
fully implement all the API interfaces when a user updates their API.
[instrument name syntax]: https://opentelemetry.io/docs/specs/otel/metrics/api/#instrument-name-syntax
[OpenTelemetry documentation]: https://opentelemetry.io/docs/concepts/signals/metrics/
[GetMeterProvider]: https://pkg.go.dev/go.opentelemetry.io/otel#GetMeterProvider
*/

3
vendor/go.opentelemetry.io/otel/metric/embedded/README.md generated vendored Normal file
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@@ -0,0 +1,3 @@
# Metric Embedded
[![PkgGoDev](https://pkg.go.dev/badge/go.opentelemetry.io/otel/metric/embedded)](https://pkg.go.dev/go.opentelemetry.io/otel/metric/embedded)

33
vendor/go.opentelemetry.io/otel/metric/embedded/embedded.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
// Package embedded provides interfaces embedded within the [OpenTelemetry
// metric API].
@@ -113,6 +102,16 @@ type Float64Counter interface{ float64Counter() }
// the API package).
type Float64Histogram interface{ float64Histogram() }
// Float64Gauge is embedded in [go.opentelemetry.io/otel/metric.Float64Gauge].
//
// Embed this interface in your implementation of the
// [go.opentelemetry.io/otel/metric.Float64Gauge] if you want users to
// experience a compilation error, signaling they need to update to your latest
// implementation, when the [go.opentelemetry.io/otel/metric.Float64Gauge]
// interface is extended (which is something that can happen without a major
// version bump of the API package).
type Float64Gauge interface{ float64Gauge() }
// Float64ObservableCounter is embedded in
// [go.opentelemetry.io/otel/metric.Float64ObservableCounter].
//
@@ -185,6 +184,16 @@ type Int64Counter interface{ int64Counter() }
// the API package).
type Int64Histogram interface{ int64Histogram() }
// Int64Gauge is embedded in [go.opentelemetry.io/otel/metric.Int64Gauge].
//
// Embed this interface in your implementation of the
// [go.opentelemetry.io/otel/metric.Int64Gauge] if you want users to experience
// a compilation error, signaling they need to update to your latest
// implementation, when the [go.opentelemetry.io/otel/metric.Int64Gauge]
// interface is extended (which is something that can happen without a major
// version bump of the API package).
type Int64Gauge interface{ int64Gauge() }
// Int64ObservableCounter is embedded in
// [go.opentelemetry.io/otel/metric.Int64ObservableCounter].
//

78
vendor/go.opentelemetry.io/otel/metric/instrument.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -27,6 +16,7 @@ type InstrumentOption interface {
Int64CounterOption
Int64UpDownCounterOption
Int64HistogramOption
Int64GaugeOption
Int64ObservableCounterOption
Int64ObservableUpDownCounterOption
Int64ObservableGaugeOption
@@ -34,11 +24,18 @@ type InstrumentOption interface {
Float64CounterOption
Float64UpDownCounterOption
Float64HistogramOption
Float64GaugeOption
Float64ObservableCounterOption
Float64ObservableUpDownCounterOption
Float64ObservableGaugeOption
}
// HistogramOption applies options to histogram instruments.
type HistogramOption interface {
Int64HistogramOption
Float64HistogramOption
}
type descOpt string
func (o descOpt) applyFloat64Counter(c Float64CounterConfig) Float64CounterConfig {
@@ -56,12 +53,19 @@ func (o descOpt) applyFloat64Histogram(c Float64HistogramConfig) Float64Histogra
return c
}
func (o descOpt) applyFloat64Gauge(c Float64GaugeConfig) Float64GaugeConfig {
c.description = string(o)
return c
}
func (o descOpt) applyFloat64ObservableCounter(c Float64ObservableCounterConfig) Float64ObservableCounterConfig {
c.description = string(o)
return c
}
func (o descOpt) applyFloat64ObservableUpDownCounter(c Float64ObservableUpDownCounterConfig) Float64ObservableUpDownCounterConfig {
func (o descOpt) applyFloat64ObservableUpDownCounter(
c Float64ObservableUpDownCounterConfig,
) Float64ObservableUpDownCounterConfig {
c.description = string(o)
return c
}
@@ -86,12 +90,19 @@ func (o descOpt) applyInt64Histogram(c Int64HistogramConfig) Int64HistogramConfi
return c
}
func (o descOpt) applyInt64Gauge(c Int64GaugeConfig) Int64GaugeConfig {
c.description = string(o)
return c
}
func (o descOpt) applyInt64ObservableCounter(c Int64ObservableCounterConfig) Int64ObservableCounterConfig {
c.description = string(o)
return c
}
func (o descOpt) applyInt64ObservableUpDownCounter(c Int64ObservableUpDownCounterConfig) Int64ObservableUpDownCounterConfig {
func (o descOpt) applyInt64ObservableUpDownCounter(
c Int64ObservableUpDownCounterConfig,
) Int64ObservableUpDownCounterConfig {
c.description = string(o)
return c
}
@@ -121,12 +132,19 @@ func (o unitOpt) applyFloat64Histogram(c Float64HistogramConfig) Float64Histogra
return c
}
func (o unitOpt) applyFloat64Gauge(c Float64GaugeConfig) Float64GaugeConfig {
c.unit = string(o)
return c
}
func (o unitOpt) applyFloat64ObservableCounter(c Float64ObservableCounterConfig) Float64ObservableCounterConfig {
c.unit = string(o)
return c
}
func (o unitOpt) applyFloat64ObservableUpDownCounter(c Float64ObservableUpDownCounterConfig) Float64ObservableUpDownCounterConfig {
func (o unitOpt) applyFloat64ObservableUpDownCounter(
c Float64ObservableUpDownCounterConfig,
) Float64ObservableUpDownCounterConfig {
c.unit = string(o)
return c
}
@@ -151,12 +169,19 @@ func (o unitOpt) applyInt64Histogram(c Int64HistogramConfig) Int64HistogramConfi
return c
}
func (o unitOpt) applyInt64Gauge(c Int64GaugeConfig) Int64GaugeConfig {
c.unit = string(o)
return c
}
func (o unitOpt) applyInt64ObservableCounter(c Int64ObservableCounterConfig) Int64ObservableCounterConfig {
c.unit = string(o)
return c
}
func (o unitOpt) applyInt64ObservableUpDownCounter(c Int64ObservableUpDownCounterConfig) Int64ObservableUpDownCounterConfig {
func (o unitOpt) applyInt64ObservableUpDownCounter(
c Int64ObservableUpDownCounterConfig,
) Int64ObservableUpDownCounterConfig {
c.unit = string(o)
return c
}
@@ -167,8 +192,27 @@ func (o unitOpt) applyInt64ObservableGauge(c Int64ObservableGaugeConfig) Int64Ob
}
// WithUnit sets the instrument unit.
//
// The unit u should be defined using the appropriate [UCUM](https://ucum.org) case-sensitive code.
func WithUnit(u string) InstrumentOption { return unitOpt(u) }
// WithExplicitBucketBoundaries sets the instrument explicit bucket boundaries.
//
// This option is considered "advisory", and may be ignored by API implementations.
func WithExplicitBucketBoundaries(bounds ...float64) HistogramOption { return bucketOpt(bounds) }
type bucketOpt []float64
func (o bucketOpt) applyFloat64Histogram(c Float64HistogramConfig) Float64HistogramConfig {
c.explicitBucketBoundaries = o
return c
}
func (o bucketOpt) applyInt64Histogram(c Int64HistogramConfig) Int64HistogramConfig {
c.explicitBucketBoundaries = o
return c
}
// AddOption applies options to an addition measurement. See
// [MeasurementOption] for other options that can be used as an AddOption.
type AddOption interface {
@@ -315,7 +359,7 @@ func WithAttributeSet(attributes attribute.Set) MeasurementOption {
//
// cp := make([]attribute.KeyValue, len(attributes))
// copy(cp, attributes)
// WithAttributes(attribute.NewSet(cp...))
// WithAttributeSet(attribute.NewSet(cp...))
//
// [attribute.NewSet] may modify the passed attributes so this will make a copy
// of attributes before creating a set in order to ensure this function is

102
vendor/go.opentelemetry.io/otel/metric/meter.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -58,17 +47,41 @@ type Meter interface {
// Int64Counter returns a new Int64Counter instrument identified by name
// and configured with options. The instrument is used to synchronously
// record increasing int64 measurements during a computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64Counter(name string, options ...Int64CounterOption) (Int64Counter, error)
// Int64UpDownCounter returns a new Int64UpDownCounter instrument
// identified by name and configured with options. The instrument is used
// to synchronously record int64 measurements during a computational
// operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64UpDownCounter(name string, options ...Int64UpDownCounterOption) (Int64UpDownCounter, error)
// Int64Histogram returns a new Int64Histogram instrument identified by
// name and configured with options. The instrument is used to
// synchronously record the distribution of int64 measurements during a
// computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64Histogram(name string, options ...Int64HistogramOption) (Int64Histogram, error)
// Int64Gauge returns a new Int64Gauge instrument identified by name and
// configured with options. The instrument is used to synchronously record
// instantaneous int64 measurements during a computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64Gauge(name string, options ...Int64GaugeOption) (Int64Gauge, error)
// Int64ObservableCounter returns a new Int64ObservableCounter identified
// by name and configured with options. The instrument is used to
// asynchronously record increasing int64 measurements once per a
@@ -78,7 +91,12 @@ type Meter interface {
// the WithInt64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64ObservableCounter(name string, options ...Int64ObservableCounterOption) (Int64ObservableCounter, error)
// Int64ObservableUpDownCounter returns a new Int64ObservableUpDownCounter
// instrument identified by name and configured with options. The
// instrument is used to asynchronously record int64 measurements once per
@@ -88,7 +106,15 @@ type Meter interface {
// the WithInt64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
Int64ObservableUpDownCounter(name string, options ...Int64ObservableUpDownCounterOption) (Int64ObservableUpDownCounter, error)
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64ObservableUpDownCounter(
name string,
options ...Int64ObservableUpDownCounterOption,
) (Int64ObservableUpDownCounter, error)
// Int64ObservableGauge returns a new Int64ObservableGauge instrument
// identified by name and configured with options. The instrument is used
// to asynchronously record instantaneous int64 measurements once per a
@@ -98,23 +124,51 @@ type Meter interface {
// the WithInt64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Int64ObservableGauge(name string, options ...Int64ObservableGaugeOption) (Int64ObservableGauge, error)
// Float64Counter returns a new Float64Counter instrument identified by
// name and configured with options. The instrument is used to
// synchronously record increasing float64 measurements during a
// computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64Counter(name string, options ...Float64CounterOption) (Float64Counter, error)
// Float64UpDownCounter returns a new Float64UpDownCounter instrument
// identified by name and configured with options. The instrument is used
// to synchronously record float64 measurements during a computational
// operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64UpDownCounter(name string, options ...Float64UpDownCounterOption) (Float64UpDownCounter, error)
// Float64Histogram returns a new Float64Histogram instrument identified by
// name and configured with options. The instrument is used to
// synchronously record the distribution of float64 measurements during a
// computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64Histogram(name string, options ...Float64HistogramOption) (Float64Histogram, error)
// Float64Gauge returns a new Float64Gauge instrument identified by name and
// configured with options. The instrument is used to synchronously record
// instantaneous float64 measurements during a computational operation.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64Gauge(name string, options ...Float64GaugeOption) (Float64Gauge, error)
// Float64ObservableCounter returns a new Float64ObservableCounter
// instrument identified by name and configured with options. The
// instrument is used to asynchronously record increasing float64
@@ -124,7 +178,12 @@ type Meter interface {
// the WithFloat64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64ObservableCounter(name string, options ...Float64ObservableCounterOption) (Float64ObservableCounter, error)
// Float64ObservableUpDownCounter returns a new
// Float64ObservableUpDownCounter instrument identified by name and
// configured with options. The instrument is used to asynchronously record
@@ -134,7 +193,15 @@ type Meter interface {
// the WithFloat64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
Float64ObservableUpDownCounter(name string, options ...Float64ObservableUpDownCounterOption) (Float64ObservableUpDownCounter, error)
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64ObservableUpDownCounter(
name string,
options ...Float64ObservableUpDownCounterOption,
) (Float64ObservableUpDownCounter, error)
// Float64ObservableGauge returns a new Float64ObservableGauge instrument
// identified by name and configured with options. The instrument is used
// to asynchronously record instantaneous float64 measurements once per a
@@ -144,6 +211,10 @@ type Meter interface {
// the WithFloat64Callback option to register the callback here, or use the
// RegisterCallback method of this Meter to register one later. See the
// Measurements section of the package documentation for more information.
//
// The name needs to conform to the OpenTelemetry instrument name syntax.
// See the Instrument Name section of the package documentation for more
// information.
Float64ObservableGauge(name string, options ...Float64ObservableGaugeOption) (Float64ObservableGauge, error)
// RegisterCallback registers f to be called during the collection of a
@@ -157,6 +228,8 @@ type Meter interface {
//
// If no instruments are passed, f should not be registered nor called
// during collection.
//
// The function f needs to be concurrent safe.
RegisterCallback(f Callback, instruments ...Observable) (Registration, error)
}
@@ -187,6 +260,7 @@ type Observer interface {
// ObserveFloat64 records the float64 value for obsrv.
ObserveFloat64(obsrv Float64Observable, value float64, opts ...ObserveOption)
// ObserveInt64 records the int64 value for obsrv.
ObserveInt64(obsrv Int64Observable, value int64, opts ...ObserveOption)
}

3
vendor/go.opentelemetry.io/otel/metric/noop/README.md generated vendored Normal file
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@@ -0,0 +1,3 @@
# Metric Noop
[![PkgGoDev](https://pkg.go.dev/badge/go.opentelemetry.io/otel/metric/noop)](https://pkg.go.dev/go.opentelemetry.io/otel/metric/noop)

296
vendor/go.opentelemetry.io/otel/metric/noop/noop.go generated vendored Normal file
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@@ -0,0 +1,296 @@
// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
// Package noop provides an implementation of the OpenTelemetry metric API that
// produces no telemetry and minimizes used computation resources.
//
// Using this package to implement the OpenTelemetry metric API will
// effectively disable OpenTelemetry.
//
// This implementation can be embedded in other implementations of the
// OpenTelemetry metric API. Doing so will mean the implementation defaults to
// no operation for methods it does not implement.
package noop // import "go.opentelemetry.io/otel/metric/noop"
import (
"context"
"go.opentelemetry.io/otel/metric"
"go.opentelemetry.io/otel/metric/embedded"
)
var (
// Compile-time check this implements the OpenTelemetry API.
_ metric.MeterProvider = MeterProvider{}
_ metric.Meter = Meter{}
_ metric.Observer = Observer{}
_ metric.Registration = Registration{}
_ metric.Int64Counter = Int64Counter{}
_ metric.Float64Counter = Float64Counter{}
_ metric.Int64UpDownCounter = Int64UpDownCounter{}
_ metric.Float64UpDownCounter = Float64UpDownCounter{}
_ metric.Int64Histogram = Int64Histogram{}
_ metric.Float64Histogram = Float64Histogram{}
_ metric.Int64Gauge = Int64Gauge{}
_ metric.Float64Gauge = Float64Gauge{}
_ metric.Int64ObservableCounter = Int64ObservableCounter{}
_ metric.Float64ObservableCounter = Float64ObservableCounter{}
_ metric.Int64ObservableGauge = Int64ObservableGauge{}
_ metric.Float64ObservableGauge = Float64ObservableGauge{}
_ metric.Int64ObservableUpDownCounter = Int64ObservableUpDownCounter{}
_ metric.Float64ObservableUpDownCounter = Float64ObservableUpDownCounter{}
_ metric.Int64Observer = Int64Observer{}
_ metric.Float64Observer = Float64Observer{}
)
// MeterProvider is an OpenTelemetry No-Op MeterProvider.
type MeterProvider struct{ embedded.MeterProvider }
// NewMeterProvider returns a MeterProvider that does not record any telemetry.
func NewMeterProvider() MeterProvider {
return MeterProvider{}
}
// Meter returns an OpenTelemetry Meter that does not record any telemetry.
func (MeterProvider) Meter(string, ...metric.MeterOption) metric.Meter {
return Meter{}
}
// Meter is an OpenTelemetry No-Op Meter.
type Meter struct{ embedded.Meter }
// Int64Counter returns a Counter used to record int64 measurements that
// produces no telemetry.
func (Meter) Int64Counter(string, ...metric.Int64CounterOption) (metric.Int64Counter, error) {
return Int64Counter{}, nil
}
// Int64UpDownCounter returns an UpDownCounter used to record int64
// measurements that produces no telemetry.
func (Meter) Int64UpDownCounter(string, ...metric.Int64UpDownCounterOption) (metric.Int64UpDownCounter, error) {
return Int64UpDownCounter{}, nil
}
// Int64Histogram returns a Histogram used to record int64 measurements that
// produces no telemetry.
func (Meter) Int64Histogram(string, ...metric.Int64HistogramOption) (metric.Int64Histogram, error) {
return Int64Histogram{}, nil
}
// Int64Gauge returns a Gauge used to record int64 measurements that
// produces no telemetry.
func (Meter) Int64Gauge(string, ...metric.Int64GaugeOption) (metric.Int64Gauge, error) {
return Int64Gauge{}, nil
}
// Int64ObservableCounter returns an ObservableCounter used to record int64
// measurements that produces no telemetry.
func (Meter) Int64ObservableCounter(
string,
...metric.Int64ObservableCounterOption,
) (metric.Int64ObservableCounter, error) {
return Int64ObservableCounter{}, nil
}
// Int64ObservableUpDownCounter returns an ObservableUpDownCounter used to
// record int64 measurements that produces no telemetry.
func (Meter) Int64ObservableUpDownCounter(
string,
...metric.Int64ObservableUpDownCounterOption,
) (metric.Int64ObservableUpDownCounter, error) {
return Int64ObservableUpDownCounter{}, nil
}
// Int64ObservableGauge returns an ObservableGauge used to record int64
// measurements that produces no telemetry.
func (Meter) Int64ObservableGauge(string, ...metric.Int64ObservableGaugeOption) (metric.Int64ObservableGauge, error) {
return Int64ObservableGauge{}, nil
}
// Float64Counter returns a Counter used to record int64 measurements that
// produces no telemetry.
func (Meter) Float64Counter(string, ...metric.Float64CounterOption) (metric.Float64Counter, error) {
return Float64Counter{}, nil
}
// Float64UpDownCounter returns an UpDownCounter used to record int64
// measurements that produces no telemetry.
func (Meter) Float64UpDownCounter(string, ...metric.Float64UpDownCounterOption) (metric.Float64UpDownCounter, error) {
return Float64UpDownCounter{}, nil
}
// Float64Histogram returns a Histogram used to record int64 measurements that
// produces no telemetry.
func (Meter) Float64Histogram(string, ...metric.Float64HistogramOption) (metric.Float64Histogram, error) {
return Float64Histogram{}, nil
}
// Float64Gauge returns a Gauge used to record float64 measurements that
// produces no telemetry.
func (Meter) Float64Gauge(string, ...metric.Float64GaugeOption) (metric.Float64Gauge, error) {
return Float64Gauge{}, nil
}
// Float64ObservableCounter returns an ObservableCounter used to record int64
// measurements that produces no telemetry.
func (Meter) Float64ObservableCounter(
string,
...metric.Float64ObservableCounterOption,
) (metric.Float64ObservableCounter, error) {
return Float64ObservableCounter{}, nil
}
// Float64ObservableUpDownCounter returns an ObservableUpDownCounter used to
// record int64 measurements that produces no telemetry.
func (Meter) Float64ObservableUpDownCounter(
string,
...metric.Float64ObservableUpDownCounterOption,
) (metric.Float64ObservableUpDownCounter, error) {
return Float64ObservableUpDownCounter{}, nil
}
// Float64ObservableGauge returns an ObservableGauge used to record int64
// measurements that produces no telemetry.
func (Meter) Float64ObservableGauge(
string,
...metric.Float64ObservableGaugeOption,
) (metric.Float64ObservableGauge, error) {
return Float64ObservableGauge{}, nil
}
// RegisterCallback performs no operation.
func (Meter) RegisterCallback(metric.Callback, ...metric.Observable) (metric.Registration, error) {
return Registration{}, nil
}
// Observer acts as a recorder of measurements for multiple instruments in a
// Callback, it performing no operation.
type Observer struct{ embedded.Observer }
// ObserveFloat64 performs no operation.
func (Observer) ObserveFloat64(metric.Float64Observable, float64, ...metric.ObserveOption) {
}
// ObserveInt64 performs no operation.
func (Observer) ObserveInt64(metric.Int64Observable, int64, ...metric.ObserveOption) {
}
// Registration is the registration of a Callback with a No-Op Meter.
type Registration struct{ embedded.Registration }
// Unregister unregisters the Callback the Registration represents with the
// No-Op Meter. This will always return nil because the No-Op Meter performs no
// operation, including hold any record of registrations.
func (Registration) Unregister() error { return nil }
// Int64Counter is an OpenTelemetry Counter used to record int64 measurements.
// It produces no telemetry.
type Int64Counter struct{ embedded.Int64Counter }
// Add performs no operation.
func (Int64Counter) Add(context.Context, int64, ...metric.AddOption) {}
// Float64Counter is an OpenTelemetry Counter used to record float64
// measurements. It produces no telemetry.
type Float64Counter struct{ embedded.Float64Counter }
// Add performs no operation.
func (Float64Counter) Add(context.Context, float64, ...metric.AddOption) {}
// Int64UpDownCounter is an OpenTelemetry UpDownCounter used to record int64
// measurements. It produces no telemetry.
type Int64UpDownCounter struct{ embedded.Int64UpDownCounter }
// Add performs no operation.
func (Int64UpDownCounter) Add(context.Context, int64, ...metric.AddOption) {}
// Float64UpDownCounter is an OpenTelemetry UpDownCounter used to record
// float64 measurements. It produces no telemetry.
type Float64UpDownCounter struct{ embedded.Float64UpDownCounter }
// Add performs no operation.
func (Float64UpDownCounter) Add(context.Context, float64, ...metric.AddOption) {}
// Int64Histogram is an OpenTelemetry Histogram used to record int64
// measurements. It produces no telemetry.
type Int64Histogram struct{ embedded.Int64Histogram }
// Record performs no operation.
func (Int64Histogram) Record(context.Context, int64, ...metric.RecordOption) {}
// Float64Histogram is an OpenTelemetry Histogram used to record float64
// measurements. It produces no telemetry.
type Float64Histogram struct{ embedded.Float64Histogram }
// Record performs no operation.
func (Float64Histogram) Record(context.Context, float64, ...metric.RecordOption) {}
// Int64Gauge is an OpenTelemetry Gauge used to record instantaneous int64
// measurements. It produces no telemetry.
type Int64Gauge struct{ embedded.Int64Gauge }
// Record performs no operation.
func (Int64Gauge) Record(context.Context, int64, ...metric.RecordOption) {}
// Float64Gauge is an OpenTelemetry Gauge used to record instantaneous float64
// measurements. It produces no telemetry.
type Float64Gauge struct{ embedded.Float64Gauge }
// Record performs no operation.
func (Float64Gauge) Record(context.Context, float64, ...metric.RecordOption) {}
// Int64ObservableCounter is an OpenTelemetry ObservableCounter used to record
// int64 measurements. It produces no telemetry.
type Int64ObservableCounter struct {
metric.Int64Observable
embedded.Int64ObservableCounter
}
// Float64ObservableCounter is an OpenTelemetry ObservableCounter used to record
// float64 measurements. It produces no telemetry.
type Float64ObservableCounter struct {
metric.Float64Observable
embedded.Float64ObservableCounter
}
// Int64ObservableGauge is an OpenTelemetry ObservableGauge used to record
// int64 measurements. It produces no telemetry.
type Int64ObservableGauge struct {
metric.Int64Observable
embedded.Int64ObservableGauge
}
// Float64ObservableGauge is an OpenTelemetry ObservableGauge used to record
// float64 measurements. It produces no telemetry.
type Float64ObservableGauge struct {
metric.Float64Observable
embedded.Float64ObservableGauge
}
// Int64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
// used to record int64 measurements. It produces no telemetry.
type Int64ObservableUpDownCounter struct {
metric.Int64Observable
embedded.Int64ObservableUpDownCounter
}
// Float64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
// used to record float64 measurements. It produces no telemetry.
type Float64ObservableUpDownCounter struct {
metric.Float64Observable
embedded.Float64ObservableUpDownCounter
}
// Int64Observer is a recorder of int64 measurements that performs no operation.
type Int64Observer struct{ embedded.Int64Observer }
// Observe performs no operation.
func (Int64Observer) Observe(int64, ...metric.ObserveOption) {}
// Float64Observer is a recorder of float64 measurements that performs no
// operation.
type Float64Observer struct{ embedded.Float64Observer }
// Observe performs no operation.
func (Float64Observer) Observe(float64, ...metric.ObserveOption) {}

83
vendor/go.opentelemetry.io/otel/metric/syncfloat64.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -39,7 +28,7 @@ type Float64Counter interface {
}
// Float64CounterConfig contains options for synchronous counter instruments that
// record int64 values.
// record float64 values.
type Float64CounterConfig struct {
description string
unit string
@@ -92,7 +81,7 @@ type Float64UpDownCounter interface {
}
// Float64UpDownCounterConfig contains options for synchronous counter
// instruments that record int64 values.
// instruments that record float64 values.
type Float64UpDownCounterConfig struct {
description string
unit string
@@ -144,11 +133,12 @@ type Float64Histogram interface {
Record(ctx context.Context, incr float64, options ...RecordOption)
}
// Float64HistogramConfig contains options for synchronous counter instruments
// that record int64 values.
// Float64HistogramConfig contains options for synchronous histogram
// instruments that record float64 values.
type Float64HistogramConfig struct {
description string
unit string
description string
unit string
explicitBucketBoundaries []float64
}
// NewFloat64HistogramConfig returns a new [Float64HistogramConfig] with all
@@ -171,9 +161,66 @@ func (c Float64HistogramConfig) Unit() string {
return c.unit
}
// ExplicitBucketBoundaries returns the configured explicit bucket boundaries.
func (c Float64HistogramConfig) ExplicitBucketBoundaries() []float64 {
return c.explicitBucketBoundaries
}
// Float64HistogramOption applies options to a [Float64HistogramConfig]. See
// [InstrumentOption] for other options that can be used as a
// Float64HistogramOption.
type Float64HistogramOption interface {
applyFloat64Histogram(Float64HistogramConfig) Float64HistogramConfig
}
// Float64Gauge is an instrument that records instantaneous float64 values.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Float64Gauge interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Float64Gauge
// Record records the instantaneous value.
//
// Use the WithAttributeSet (or, if performance is not a concern,
// the WithAttributes) option to include measurement attributes.
Record(ctx context.Context, value float64, options ...RecordOption)
}
// Float64GaugeConfig contains options for synchronous gauge instruments that
// record float64 values.
type Float64GaugeConfig struct {
description string
unit string
}
// NewFloat64GaugeConfig returns a new [Float64GaugeConfig] with all opts
// applied.
func NewFloat64GaugeConfig(opts ...Float64GaugeOption) Float64GaugeConfig {
var config Float64GaugeConfig
for _, o := range opts {
config = o.applyFloat64Gauge(config)
}
return config
}
// Description returns the configured description.
func (c Float64GaugeConfig) Description() string {
return c.description
}
// Unit returns the configured unit.
func (c Float64GaugeConfig) Unit() string {
return c.unit
}
// Float64GaugeOption applies options to a [Float64GaugeConfig]. See
// [InstrumentOption] for other options that can be used as a
// Float64GaugeOption.
type Float64GaugeOption interface {
applyFloat64Gauge(Float64GaugeConfig) Float64GaugeConfig
}

77
vendor/go.opentelemetry.io/otel/metric/syncint64.go generated vendored
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@@ -1,16 +1,5 @@
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// SPDX-License-Identifier: Apache-2.0
package metric // import "go.opentelemetry.io/otel/metric"
@@ -144,11 +133,12 @@ type Int64Histogram interface {
Record(ctx context.Context, incr int64, options ...RecordOption)
}
// Int64HistogramConfig contains options for synchronous counter instruments
// Int64HistogramConfig contains options for synchronous histogram instruments
// that record int64 values.
type Int64HistogramConfig struct {
description string
unit string
description string
unit string
explicitBucketBoundaries []float64
}
// NewInt64HistogramConfig returns a new [Int64HistogramConfig] with all opts
@@ -171,9 +161,66 @@ func (c Int64HistogramConfig) Unit() string {
return c.unit
}
// ExplicitBucketBoundaries returns the configured explicit bucket boundaries.
func (c Int64HistogramConfig) ExplicitBucketBoundaries() []float64 {
return c.explicitBucketBoundaries
}
// Int64HistogramOption applies options to a [Int64HistogramConfig]. See
// [InstrumentOption] for other options that can be used as an
// Int64HistogramOption.
type Int64HistogramOption interface {
applyInt64Histogram(Int64HistogramConfig) Int64HistogramConfig
}
// Int64Gauge is an instrument that records instantaneous int64 values.
//
// Warning: Methods may be added to this interface in minor releases. See
// package documentation on API implementation for information on how to set
// default behavior for unimplemented methods.
type Int64Gauge interface {
// Users of the interface can ignore this. This embedded type is only used
// by implementations of this interface. See the "API Implementations"
// section of the package documentation for more information.
embedded.Int64Gauge
// Record records the instantaneous value.
//
// Use the WithAttributeSet (or, if performance is not a concern,
// the WithAttributes) option to include measurement attributes.
Record(ctx context.Context, value int64, options ...RecordOption)
}
// Int64GaugeConfig contains options for synchronous gauge instruments that
// record int64 values.
type Int64GaugeConfig struct {
description string
unit string
}
// NewInt64GaugeConfig returns a new [Int64GaugeConfig] with all opts
// applied.
func NewInt64GaugeConfig(opts ...Int64GaugeOption) Int64GaugeConfig {
var config Int64GaugeConfig
for _, o := range opts {
config = o.applyInt64Gauge(config)
}
return config
}
// Description returns the configured description.
func (c Int64GaugeConfig) Description() string {
return c.description
}
// Unit returns the configured unit.
func (c Int64GaugeConfig) Unit() string {
return c.unit
}
// Int64GaugeOption applies options to a [Int64GaugeConfig]. See
// [InstrumentOption] for other options that can be used as a
// Int64GaugeOption.
type Int64GaugeOption interface {
applyInt64Gauge(Int64GaugeConfig) Int64GaugeConfig
}