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50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
// +build linux
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/*
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Copyright 2015 The Kubernetes 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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package util
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import (
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"os"
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"syscall"
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"github.com/opencontainers/runc/libcontainer/cgroups/fs"
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"github.com/opencontainers/runc/libcontainer/configs"
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)
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// Creates resource-only containerName if it does not already exist and moves
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// the current process to it.
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//
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// containerName must be an absolute container name.
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func RunInResourceContainer(containerName string) error {
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manager := fs.Manager{
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Cgroups: &configs.Cgroup{
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Parent: "/",
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Name: containerName,
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Resources: &configs.Resources{
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AllowAllDevices: true,
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},
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},
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}
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return manager.Apply(os.Getpid())
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}
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func ApplyRLimitForSelf(maxOpenFiles uint64) {
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syscall.Setrlimit(syscall.RLIMIT_NOFILE, &syscall.Rlimit{Max: maxOpenFiles, Cur: maxOpenFiles})
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}
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