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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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Copyright 2018 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package duration
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import (
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"fmt"
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"time"
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)
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// ShortHumanDuration returns a succint representation of the provided duration
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// with limited precision for consumption by humans.
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func ShortHumanDuration(d time.Duration) string {
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// Allow deviation no more than 2 seconds(excluded) to tolerate machine time
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// inconsistence, it can be considered as almost now.
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if seconds := int(d.Seconds()); seconds < -1 {
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return fmt.Sprintf("<invalid>")
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} else if seconds < 0 {
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return fmt.Sprintf("0s")
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} else if seconds < 60 {
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return fmt.Sprintf("%ds", seconds)
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} else if minutes := int(d.Minutes()); minutes < 60 {
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return fmt.Sprintf("%dm", minutes)
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} else if hours := int(d.Hours()); hours < 24 {
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return fmt.Sprintf("%dh", hours)
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} else if hours < 24*365 {
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return fmt.Sprintf("%dd", hours/24)
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}
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return fmt.Sprintf("%dy", int(d.Hours()/24/365))
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}
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// HumanDuration returns a succint representation of the provided duration
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// with limited precision for consumption by humans. It provides ~2-3 significant
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// figures of duration.
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func HumanDuration(d time.Duration) string {
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// Allow deviation no more than 2 seconds(excluded) to tolerate machine time
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// inconsistence, it can be considered as almost now.
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if seconds := int(d.Seconds()); seconds < -1 {
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return fmt.Sprintf("<invalid>")
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} else if seconds < 0 {
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return fmt.Sprintf("0s")
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} else if seconds < 60*2 {
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return fmt.Sprintf("%ds", seconds)
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}
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minutes := int(d / time.Minute)
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if minutes < 10 {
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s := int(d/time.Second) % 60
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if s == 0 {
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return fmt.Sprintf("%dm", minutes)
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}
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return fmt.Sprintf("%dm%ds", minutes, s)
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} else if minutes < 60*3 {
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return fmt.Sprintf("%dm", minutes)
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}
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hours := int(d / time.Hour)
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if hours < 8 {
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m := int(d/time.Minute) % 60
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if m == 0 {
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return fmt.Sprintf("%dh", hours)
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}
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return fmt.Sprintf("%dh%dm", hours, m)
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} else if hours < 48 {
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return fmt.Sprintf("%dh", hours)
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} else if hours < 24*8 {
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h := hours % 24
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if h == 0 {
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return fmt.Sprintf("%dd", hours/24)
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}
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return fmt.Sprintf("%dd%dh", hours/24, h)
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} else if hours < 24*365*2 {
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return fmt.Sprintf("%dd", hours/24)
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} else if hours < 24*365*8 {
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return fmt.Sprintf("%dy%dd", hours/24/365, (hours/24)%365)
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}
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return fmt.Sprintf("%dy", int(hours/24/365))
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}
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