setup environment GOMAXPROCS=2

Signed-off-by: yylt <[email protected]>

cni.go

@@ -98,9 +98,10 @@ func defaultCNIConfig() *libcni {
 			[]string{
 				DefaultCNIDir,
 			},
-			&invoke.DefaultExec{
+			&Exec{
 				RawExec:       &invoke.RawExec{Stderr: os.Stderr},
 				PluginDecoder: version.PluginDecoder{},
+				Environ:       []string{"GOMAXPROCS=2"},
 			},
 		),
 		networkCount: 1,

exec.go

@@ -0,0 +1,34 @@
+/*
+   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 cni
+
+import (
+	"context"
+
+	"github.com/containernetworking/cni/pkg/invoke"
+	"github.com/containernetworking/cni/pkg/version"
+)
+
+type Exec struct {
+	*invoke.RawExec
+	version.PluginDecoder
+	Environ []string
+}
+
+func (e *Exec) ExecPlugin(ctx context.Context, pluginPath string, stdinData []byte, environ []string) ([]byte, error) {
+	return e.RawExec.ExecPlugin(ctx, pluginPath, stdinData, append(e.Environ, environ...))
+}