/
serviceutil.go
34 lines (28 loc) · 1.06 KB
/
serviceutil.go
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// Copyright (c) 2021 Terminus, Inc.
//
// This program is free software: you can use, redistribute, and/or modify
// it under the terms of the GNU Affero General Public License, version 3
// or later ("AGPL"), as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package utils
import (
"math"
"regexp"
)
// Round 保留小数点计算
func Round(f float64, n int) float64 {
shift := math.Pow(10, float64(n))
fv := 0.0000000001 + f //对浮点数产生.xxx999999999 计算不准进行处理
return math.Floor(fv*shift+.5) / shift
}
var svcRegexp, _ = regexp.Compile(`^[a-z0-9]+([-]*[a-z0-9])+$`)
// IsValidK8sSvcName is valid service name
func IsValidK8sSvcName(name string) bool {
return svcRegexp.MatchString(name) && len(name) <= 63
}