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opentelemetry-go/metric/config.go

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// 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.
package metric // import "go.opentelemetry.io/otel/metric"
import (
"go.opentelemetry.io/otel/metric/unit"
)
// InstrumentConfig contains options for metric instrument descriptors.
type InstrumentConfig struct {
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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description string
unit unit.Unit
}
// Description describes the instrument in human-readable terms.
func (cfg *InstrumentConfig) Description() string {
return cfg.description
}
// Unit describes the measurement unit for a instrument.
func (cfg *InstrumentConfig) Unit() unit.Unit {
return cfg.unit
}
// InstrumentOption is an interface for applying metric instrument options.
type InstrumentOption interface {
// ApplyMeter is used to set a InstrumentOption value of a
// InstrumentConfig.
applyInstrument(InstrumentConfig) InstrumentConfig
}
// NewInstrumentConfig creates a new InstrumentConfig
// and applies all the given options.
func NewInstrumentConfig(opts ...InstrumentOption) InstrumentConfig {
var config InstrumentConfig
for _, o := range opts {
config = o.applyInstrument(config)
}
return config
}
type instrumentOptionFunc func(InstrumentConfig) InstrumentConfig
func (fn instrumentOptionFunc) applyInstrument(cfg InstrumentConfig) InstrumentConfig {
return fn(cfg)
}
// WithDescription applies provided description.
func WithDescription(desc string) InstrumentOption {
return instrumentOptionFunc(func(cfg InstrumentConfig) InstrumentConfig {
cfg.description = desc
return cfg
})
}
// WithUnit applies provided unit.
func WithUnit(unit unit.Unit) InstrumentOption {
return instrumentOptionFunc(func(cfg InstrumentConfig) InstrumentConfig {
cfg.unit = unit
return cfg
})
}
// MeterConfig contains options for Meters.
type MeterConfig struct {
instrumentationVersion string
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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schemaURL string
}
// InstrumentationVersion is the version of the library providing instrumentation.
func (cfg *MeterConfig) InstrumentationVersion() string {
return cfg.instrumentationVersion
}
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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// SchemaURL is the schema_url of the library providing instrumentation.
func (cfg *MeterConfig) SchemaURL() string {
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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return cfg.schemaURL
}
// MeterOption is an interface for applying Meter options.
type MeterOption interface {
// ApplyMeter is used to set a MeterOption value of a MeterConfig.
applyMeter(MeterConfig) MeterConfig
}
// NewMeterConfig creates a new MeterConfig and applies
// all the given options.
func NewMeterConfig(opts ...MeterOption) MeterConfig {
var config MeterConfig
for _, o := range opts {
config = o.applyMeter(config)
}
return config
}
type meterOptionFunc func(MeterConfig) MeterConfig
func (fn meterOptionFunc) applyMeter(cfg MeterConfig) MeterConfig {
return fn(cfg)
}
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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// WithInstrumentationVersion sets the instrumentation version.
func WithInstrumentationVersion(version string) MeterOption {
return meterOptionFunc(func(config MeterConfig) MeterConfig {
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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config.instrumentationVersion = version
return config
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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})
}
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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// WithSchemaURL sets the schema URL.
func WithSchemaURL(schemaURL string) MeterOption {
return meterOptionFunc(func(config MeterConfig) MeterConfig {
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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config.schemaURL = schemaURL
return config
Separate InstrumentationLibrary from metric.Descriptor (#2197) * factor instrumentation library out of the instrument descriptor * SDK tests pass * checkpoint work * otlp and opencensus tests passing * prometheus * tests pass, working on lint * lint applied: MetricReader->Reader * comments * Changelog * Apply suggestions from code review Co-authored-by: alrex <alrex.boten@gmail.com> * remove an interdependency * fix build * re-indent one * Apply suggestions from code review Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> * Lint&feedback * update after rename * comment fix * style fix for meter options * remove libraryReader, let Controller implement the reader API directly * rename 'impl' field to 'provider' * remove a type assertion * move metric/registry into internal; move registry.MeterProvider into metric controller * add test for controller registry function * CheckpointSet->Reader everywhere * lint * remove two unnecessary accessor methods; Controller implements MeterProvider and InstrumentationLibraryReader directly, no need to get these * use a sync.Map * ensure the initOnce is always called; handle multiple errors * Apply suggestions from code review Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> * cleanup locking in metrictest * Revert "ensure the initOnce is always called; handle multiple errors" This reverts commit 3356eb5ed0c288ac3edcc2bc2e853aecda7f29b3. * Revert "use a sync.Map" This reverts commit ea7bc599bd3a24c4acb4cd9facd13f08cd702237. * restore the TODO about sync.Map Co-authored-by: alrex <alrex.boten@gmail.com> Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
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})
}