61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
// Copyright 2018 Google 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 boot
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
specs "github.com/opencontainers/runtime-spec/specs-go"
|
|
"gvisor.googlesource.com/gvisor/pkg/sentry/limits"
|
|
)
|
|
|
|
// Mapping from linux resource names to limits.LimitType.
|
|
var fromLinuxResource = map[string]limits.LimitType{
|
|
"RLIMIT_CPU": limits.CPU,
|
|
"RLIMIT_FSIZE": limits.FileSize,
|
|
"RLIMIT_DATA": limits.Data,
|
|
"RLIMIT_STACK": limits.Stack,
|
|
"RLIMIT_CORE": limits.Core,
|
|
"RLIMIT_RSS": limits.Rss,
|
|
"RLIMIT_NPROC": limits.ProcessCount,
|
|
"RLIMIT_NOFILE": limits.NumberOfFiles,
|
|
"RLIMIT_MEMLOCK": limits.MemoryPagesLocked,
|
|
"RLIMIT_AS": limits.AS,
|
|
"RLIMIT_LOCKS": limits.Locks,
|
|
"RLIMIT_SIGPENDING": limits.SignalsPending,
|
|
"RLIMIT_MSGQUEUE": limits.MessageQueueBytes,
|
|
"RLIMIT_NICE": limits.Nice,
|
|
"RLIMIT_RTPRIO": limits.RealTimePriority,
|
|
"RLIMIT_RTTIME": limits.Rttime,
|
|
}
|
|
|
|
func createLimitSet(spec *specs.Spec) (*limits.LimitSet, error) {
|
|
ls, err := limits.NewLinuxDistroLimitSet()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for _, rl := range spec.Process.Rlimits {
|
|
lt, ok := fromLinuxResource[rl.Type]
|
|
if !ok {
|
|
return nil, fmt.Errorf("unknown resource %q", rl.Type)
|
|
}
|
|
ls.SetUnchecked(lt, limits.Limit{
|
|
Cur: rl.Soft,
|
|
Max: rl.Hard,
|
|
})
|
|
}
|
|
return ls, nil
|
|
}
|