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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package ast // import "go.opentelemetry.io/otel/schema/v1.1/ast"
import (
ast10 "go.opentelemetry.io/otel/schema/v1.0/ast"
types10 "go.opentelemetry.io/otel/schema/v1.0/types"
types11 "go.opentelemetry.io/otel/schema/v1.1/types"
)
// Metrics corresponds to a section representing a list of changes that happened
// to metrics schema in a particular version.
type Metrics struct {
Changes []MetricsChange
}
// MetricsChange corresponds to a section representing metrics change.
type MetricsChange struct {
RenameMetrics map[types10.MetricName]types10.MetricName `yaml:"rename_metrics"`
RenameAttributes *ast10.AttributeMapForMetrics `yaml:"rename_attributes"`
Split *SplitMetric `yaml:"split"`
}
// SplitMetric corresponds to a section representing a splitting of a metric
// into multiple metrics by eliminating an attribute.
// SplitMetrics is introduced in schema file format 1.1,
// see https://github.com/open-telemetry/opentelemetry-specification/pull/2653
type SplitMetric struct {
// Name of the old metric to split.
ApplyToMetric types10.MetricName `yaml:"apply_to_metric"`
// Name of attribute in the old metric to use for splitting. The attribute will be
// eliminated, the new metric will not have it.
ByAttribute types11.AttributeName `yaml:"by_attribute"`
// Names of new metrics to create, one for each possible value of attribute.
// map of key/values. The keys are the new metric name starting from this version,
// the values are old attribute value used in the previous version.
MetricsFromAttributes map[types10.MetricName]types11.AttributeValue `yaml:"metrics_from_attributes"`
}
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