70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
// Copyright 2015 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v2
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import (
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"time"
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)
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// Type of metric being exported.
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type MetricType string
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const (
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// Instantaneous value. May increase or decrease.
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MetricGauge MetricType = "gauge"
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// A counter-like value that is only expected to increase.
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MetricCumulative = "cumulative"
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// Rate over a time period.
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MetricDelta = "delta"
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)
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// An exported metric.
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type Metric struct {
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// The name of the metric.
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Name string `json:"name"`
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// Type of the metric.
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Type MetricType `json:"type"`
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// Metadata associated with this metric.
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Labels map[string]string
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// Value of the metric. Only one of these values will be
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// available according to the output type of the metric.
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// If no values are available, there are no data points.
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IntPoints []IntPoint `json:"int_points,omitempty"`
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FloatPoints []FloatPoint `json:"float_points,omitempty"`
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}
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// An integer metric data point.
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type IntPoint struct {
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// Time at which the metric was queried
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Timestamp time.Time `json:"timestamp"`
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// The value of the metric at this point.
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Value int64 `json:"value"`
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}
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// A float metric data point.
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type FloatPoint struct {
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// Time at which the metric was queried
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Timestamp time.Time `json:"timestamp"`
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// The value of the metric at this point.
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Value float64 `json:"value"`
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}
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