Switch to opencontainers/cgroups

This removes libcontainer/cgroups packages and starts
using those from github.com/opencontainers/cgroups repo.

Mostly generated by:

  git rm -f libcontainer/cgroups

  find . -type f -name "*.go" -exec sed -i \
    's|github.com/opencontainers/runc/libcontainer/cgroups|github.com/opencontainers/cgroups|g' \
    {} +

  make vendor

  gofumpt -w .

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

Author: kolyshkin

events.go

@@ -8,8 +8,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/opencontainers/cgroups"
 	"github.com/opencontainers/runc/libcontainer"
-	"github.com/opencontainers/runc/libcontainer/cgroups"
 	"github.com/opencontainers/runc/libcontainer/intelrdt"
 	"github.com/opencontainers/runc/types"
 

go.mod

@@ -4,7 +4,6 @@ go 1.23.0
 
 require (
 	github.com/checkpoint-restore/go-criu/v6 v6.3.0
-	github.com/cilium/ebpf v0.17.3
 	github.com/containerd/console v1.0.4
 	github.com/coreos/go-systemd/v22 v22.5.0
 	github.com/cyphar/filepath-securejoin v0.4.1
@@ -15,6 +14,7 @@ require (
 	github.com/moby/sys/user v0.3.0
 	github.com/moby/sys/userns v0.1.0
 	github.com/mrunalp/fileutils v0.5.1
+	github.com/opencontainers/cgroups v0.0.0-00010101000000-000000000000
 	github.com/opencontainers/runtime-spec v1.2.0
 	github.com/opencontainers/selinux v1.11.1
 	github.com/seccomp/libseccomp-golang v0.10.0
@@ -34,7 +34,10 @@ exclude (
 )
 
 require (
+	github.com/cilium/ebpf v0.17.3 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.5 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
 )
+
+replace github.com/opencontainers/cgroups => github.com/kolyshkin/oc-cgroups v0.0.0-20250226011550-574c6e451b64

go.sum

@@ -31,6 +31,8 @@ github.com/josharian/native v1.1.0 h1:uuaP0hAbW7Y4l0ZRQ6C9zfb7Mg1mbFKry/xzDAfmtL
 github.com/josharian/native v1.1.0/go.mod h1:7X/raswPFr05uY3HiLlYeyQntB6OO7E/d2Cu7qoaN2w=
 github.com/jsimonetti/rtnetlink/v2 v2.0.1 h1:xda7qaHDSVOsADNouv7ukSuicKZO7GgVUCXxpaIEIlM=
 github.com/jsimonetti/rtnetlink/v2 v2.0.1/go.mod h1:7MoNYNbb3UaDHtF8udiJo/RH6VsTKP1pqKLUTVCvToE=
+github.com/kolyshkin/oc-cgroups v0.0.0-20250226011550-574c6e451b64 h1:ss1jmfqdpwMPhr+aqS9AaAxid6kZ5RTWNub7wJGb/Sw=
+github.com/kolyshkin/oc-cgroups v0.0.0-20250226011550-574c6e451b64/go.mod h1:s8lktyhlGUqM7OSRL5P7eAW6Wb+kWPNvt4qvVfzA5vs=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
 github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=

libcontainer/README.md

@@ -36,7 +36,7 @@ this package into your code:
 
 ```go
     import (
-        _ "github.com/opencontainers/runc/libcontainer/cgroups/devices"
+        _ "github.com/opencontainers/cgroups/devices"
     )
 ```