-
Notifications
You must be signed in to change notification settings - Fork 21
/
concurrency.go
43 lines (38 loc) · 1.4 KB
/
concurrency.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
/*
* Copyright 2022 The Furiko Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package controllerutil
import (
"runtime"
configv1alpha1 "github.com/furiko-io/furiko/apis/config/v1alpha1"
)
// GetConcurrencyOrDefaultCPUFactor returns the configured concurrency, or a
// default factor on the number of CPUs.
func GetConcurrencyOrDefaultCPUFactor(concurrency *configv1alpha1.Concurrency, defaultFactor int) int {
return GetConcurrencyOrDefaultNumber(concurrency, runtime.NumCPU()*defaultFactor)
}
// GetConcurrencyOrDefaultNumber returns the configured concurrency, or a
// default number.
func GetConcurrencyOrDefaultNumber(concurrency *configv1alpha1.Concurrency, defaultNumber int) int {
if concurrency != nil {
if num := concurrency.Workers; num > 0 {
return int(num)
}
if factor := concurrency.FactorOfCPUs; factor > 0 {
return runtime.NumCPU() * int(factor)
}
}
return defaultNumber
}