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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package resource // import "go.opentelemetry.io/otel/sdk/resource"
import (
"context"
"go.opentelemetry.io/otel/attribute"
)
// config contains configuration for Resource creation.
type config struct {
// detectors that will be evaluated.
detectors []Detector
// SchemaURL to associate with the Resource.
schemaURL string
}
// Option is the interface that applies a configuration option.
type Option interface {
// apply sets the Option value of a config.
apply(config) config
}
// WithAttributes adds attributes to the configured Resource.
func WithAttributes(attributes ...attribute.KeyValue) Option {
return WithDetectors(detectAttributes{attributes})
}
type detectAttributes struct {
attributes []attribute.KeyValue
}
func (d detectAttributes) Detect(context.Context) (*Resource, error) {
return NewSchemaless(d.attributes...), nil
}
// WithDetectors adds detectors to be evaluated for the configured resource.
func WithDetectors(detectors ...Detector) Option {
return detectorsOption{detectors: detectors}
}
type detectorsOption struct {
detectors []Detector
}
func (o detectorsOption) apply(cfg config) config {
cfg.detectors = append(cfg.detectors, o.detectors...)
return cfg
}
// WithFromEnv adds attributes from environment variables to the configured resource.
func WithFromEnv() Option {
return WithDetectors(fromEnv{})
}
// WithHost adds attributes from the host to the configured resource.
func WithHost() Option {
return WithDetectors(host{})
}
// WithHostID adds host ID information to the configured resource.
func WithHostID() Option {
return WithDetectors(hostIDDetector{})
}
// WithTelemetrySDK adds TelemetrySDK version info to the configured resource.
func WithTelemetrySDK() Option {
return WithDetectors(telemetrySDK{})
}
// WithSchemaURL sets the schema URL for the configured resource.
func WithSchemaURL(schemaURL string) Option {
return schemaURLOption(schemaURL)
}
type schemaURLOption string
func (o schemaURLOption) apply(cfg config) config {
cfg.schemaURL = string(o)
return cfg
}
// WithOS adds all the OS attributes to the configured Resource.
// See individual WithOS* functions to configure specific attributes.
func WithOS() Option {
return WithDetectors(
osTypeDetector{},
osDescriptionDetector{},
)
}
// WithOSType adds an attribute with the operating system type to the configured Resource.
func WithOSType() Option {
return WithDetectors(osTypeDetector{})
}
// WithOSDescription adds an attribute with the operating system description to the
// configured Resource. The formatted string is equivalent to the output of the
// `uname -snrvm` command.
func WithOSDescription() Option {
return WithDetectors(osDescriptionDetector{})
}
// WithProcess adds all the Process attributes to the configured Resource.
//
// Warning! This option will include process command line arguments. If these
// contain sensitive information it will be included in the exported resource.
//
// This option is equivalent to calling WithProcessPID,
// WithProcessExecutableName, WithProcessExecutablePath,
// WithProcessCommandArgs, WithProcessOwner, WithProcessRuntimeName,
// WithProcessRuntimeVersion, and WithProcessRuntimeDescription. See each
// option function for information about what resource attributes each
// includes.
func WithProcess() Option {
return WithDetectors(
processPIDDetector{},
processExecutableNameDetector{},
processExecutablePathDetector{},
processCommandArgsDetector{},
processOwnerDetector{},
processRuntimeNameDetector{},
processRuntimeVersionDetector{},
processRuntimeDescriptionDetector{},
)
}
// WithProcessPID adds an attribute with the process identifier (PID) to the
// configured Resource.
func WithProcessPID() Option {
return WithDetectors(processPIDDetector{})
}
// WithProcessExecutableName adds an attribute with the name of the process
// executable to the configured Resource.
func WithProcessExecutableName() Option {
return WithDetectors(processExecutableNameDetector{})
}
// WithProcessExecutablePath adds an attribute with the full path to the process
// executable to the configured Resource.
func WithProcessExecutablePath() Option {
return WithDetectors(processExecutablePathDetector{})
}
// WithProcessCommandArgs adds an attribute with all the command arguments (including
// the command/executable itself) as received by the process to the configured
// Resource.
//
// Warning! This option will include process command line arguments. If these
// contain sensitive information it will be included in the exported resource.
func WithProcessCommandArgs() Option {
return WithDetectors(processCommandArgsDetector{})
}
// WithProcessOwner adds an attribute with the username of the user that owns the process
// to the configured Resource.
func WithProcessOwner() Option {
return WithDetectors(processOwnerDetector{})
}
// WithProcessRuntimeName adds an attribute with the name of the runtime of this
// process to the configured Resource.
func WithProcessRuntimeName() Option {
return WithDetectors(processRuntimeNameDetector{})
}
// WithProcessRuntimeVersion adds an attribute with the version of the runtime of
// this process to the configured Resource.
func WithProcessRuntimeVersion() Option {
return WithDetectors(processRuntimeVersionDetector{})
}
// WithProcessRuntimeDescription adds an attribute with an additional description
// about the runtime of the process to the configured Resource.
func WithProcessRuntimeDescription() Option {
return WithDetectors(processRuntimeDescriptionDetector{})
}
// WithContainer adds all the Container attributes to the configured Resource.
// See individual WithContainer* functions to configure specific attributes.
func WithContainer() Option {
return WithDetectors(
cgroupContainerIDDetector{},
)
}
// WithContainerID adds an attribute with the id of the container to the configured Resource.
// Note: WithContainerID will not extract the correct container ID in an ECS environment.
// Please use the ECS resource detector instead (https://pkg.go.dev/go.opentelemetry.io/contrib/detectors/aws/ecs).
func WithContainerID() Option {
return WithDetectors(cgroupContainerIDDetector{})
}
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