mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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d5c180e680
It is better developing vmctl tool in VictoriaMetrics repository, so it could be released together with the rest of vmutils tools such as vmalert, vmagent, vmbackup, vmrestore and vmauth.
98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
// Copyright 2018 The Prometheus 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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//
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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 util
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import (
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"io/ioutil"
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"strconv"
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"strings"
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)
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// ParseUint32s parses a slice of strings into a slice of uint32s.
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func ParseUint32s(ss []string) ([]uint32, error) {
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us := make([]uint32, 0, len(ss))
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for _, s := range ss {
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u, err := strconv.ParseUint(s, 10, 32)
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if err != nil {
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return nil, err
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}
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us = append(us, uint32(u))
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}
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return us, nil
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}
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// ParseUint64s parses a slice of strings into a slice of uint64s.
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func ParseUint64s(ss []string) ([]uint64, error) {
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us := make([]uint64, 0, len(ss))
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for _, s := range ss {
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u, err := strconv.ParseUint(s, 10, 64)
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if err != nil {
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return nil, err
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}
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us = append(us, u)
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}
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return us, nil
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}
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// ParsePInt64s parses a slice of strings into a slice of int64 pointers.
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func ParsePInt64s(ss []string) ([]*int64, error) {
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us := make([]*int64, 0, len(ss))
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for _, s := range ss {
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u, err := strconv.ParseInt(s, 10, 64)
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if err != nil {
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return nil, err
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}
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us = append(us, &u)
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}
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return us, nil
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}
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// ReadUintFromFile reads a file and attempts to parse a uint64 from it.
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func ReadUintFromFile(path string) (uint64, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return 0, err
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}
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return strconv.ParseUint(strings.TrimSpace(string(data)), 10, 64)
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}
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// ReadIntFromFile reads a file and attempts to parse a int64 from it.
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func ReadIntFromFile(path string) (int64, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return 0, err
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}
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return strconv.ParseInt(strings.TrimSpace(string(data)), 10, 64)
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}
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// ParseBool parses a string into a boolean pointer.
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func ParseBool(b string) *bool {
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var truth bool
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switch b {
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case "enabled":
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truth = true
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case "disabled":
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truth = false
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default:
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return nil
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}
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return &truth
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}
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