drone-yaml/yaml/compiler/transform/limits.go
2019-02-10 11:00:16 -08:00

45 lines
1.4 KiB
Go

// Copyright 2019 Drone IO, Inc.
//
// 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 transform
import "github.com/drone/drone-runtime/engine"
// WithLimits is a transform function that applies
// resource limits to the container processes.
func WithLimits(memlimit int64, cpulimit int64) func(*engine.Spec) {
return func(spec *engine.Spec) {
// if no limits are defined exit immediately.
if memlimit == 0 && cpulimit == 0 {
return
}
// otherwise apply the resource limits to every
// step in the runtime spec.
for _, step := range spec.Steps {
if step.Resources == nil {
step.Resources = &engine.Resources{}
}
if step.Resources.Limits == nil {
step.Resources.Limits = &engine.ResourceObject{}
}
if memlimit != 0 {
step.Resources.Limits.Memory = memlimit
}
if cpulimit != 0 {
step.Resources.Limits.CPU = cpulimit * 1000
}
}
}
}