remove deprecated seed calls

Not needed since go1.20

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

cmd/buildkitd/main.go

@@ -16,7 +16,6 @@ import (
 	"sync"
 
 	"github.com/containerd/containerd/defaults"
-	"github.com/containerd/containerd/pkg/seed" //nolint:staticcheck // SA1019 deprecated
 	"github.com/containerd/containerd/pkg/userns"
 	"github.com/containerd/containerd/platforms"
 	"github.com/containerd/containerd/remotes/docker"
@@ -81,8 +80,6 @@ func init() {
 	apicaps.ExportedProduct = "buildkit"
 	stack.SetVersionInfo(version.Version, version.Revision)
 
-	//nolint:staticcheck // SA1019 deprecated
-	seed.WithTimeAndRand()
 	if reexec.Init() {
 		os.Exit(0)
 	}

solver/scheduler_test.go

@@ -22,7 +22,6 @@ import (
 )
 
 func init() {
-	rand.Seed(time.Now().UnixNano()) //nolint:staticcheck // Ignore SA1019. No way to get the automatically generated seed since Go 1.20.
 	if debugScheduler {
 		logrus.SetOutput(os.Stdout)
 		logrus.SetLevel(logrus.DebugLevel)

vendor/github.com/containerd/containerd/pkg/seed/seed.go

@@ -1,43 +0,0 @@
-/*
-   Copyright The containerd 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 seed provides an initializer for the global [math/rand] seed.
-//
-// Deprecated: Do not rely on the global seed.
-package seed
-
-import (
-	"math/rand"
-	"time"
-)
-
-// WithTimeAndRand seeds the global math rand generator with nanoseconds
-// XOR'ed with a crypto component if available for uniqueness.
-//
-// Deprecated: Do not rely on the global seed.
-func WithTimeAndRand() {
-	var (
-		b [4]byte
-		u int64
-	)
-
-	tryReadRandom(b[:])
-
-	// Set higher 32 bits, bottom 32 will be set with nanos
-	u |= (int64(b[0]) << 56) | (int64(b[1]) << 48) | (int64(b[2]) << 40) | (int64(b[3]) << 32)
-
-	rand.Seed(u ^ time.Now().UnixNano())
-}

vendor/github.com/containerd/containerd/pkg/seed/seed_linux.go

@@ -1,24 +0,0 @@
-/*
-   Copyright The containerd 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 seed
-
-import "golang.org/x/sys/unix"
-
-func tryReadRandom(p []byte) {
-	// Ignore errors, just decreases uniqueness of seed
-	unix.Getrandom(p, unix.GRND_NONBLOCK)
-}

vendor/github.com/containerd/containerd/pkg/seed/seed_other.go

@@ -1,28 +0,0 @@
-//go:build !linux
-
-/*
-   Copyright The containerd 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 seed
-
-import (
-	"crypto/rand"
-	"io"
-)
-
-func tryReadRandom(p []byte) {
-	io.ReadFull(rand.Reader, p)
-}

vendor/modules.txt

@@ -314,7 +314,6 @@ github.com/containerd/containerd/pkg/kmutex
 github.com/containerd/containerd/pkg/randutil
 github.com/containerd/containerd/pkg/runtimeoptions/v1
 github.com/containerd/containerd/pkg/seccomp
-github.com/containerd/containerd/pkg/seed
 github.com/containerd/containerd/pkg/snapshotters
 github.com/containerd/containerd/pkg/streaming
 github.com/containerd/containerd/pkg/transfer