move WithXXXX to task_opts.go

Signed-off-by: yanxuean <yan.xuean@zte.com.cn>

task_opts_unix.go

@@ -0,0 +1,57 @@
+// +build !windows
+
+/*
+   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 containerd
+
+import (
+	"context"
+
+	"github.com/containerd/containerd/runtime/linux/runctypes"
+	"github.com/pkg/errors"
+)
+
+// WithNoNewKeyring causes tasks not to be created with a new keyring for secret storage.
+// There is an upper limit on the number of keyrings in a linux system
+func WithNoNewKeyring(ctx context.Context, c *Client, ti *TaskInfo) error {
+	if ti.Options == nil {
+		ti.Options = &runctypes.CreateOptions{}
+	}
+	opts, ok := ti.Options.(*runctypes.CreateOptions)
+	if !ok {
+		return errors.New("could not cast TaskInfo Options to CreateOptions")
+	}
+
+	opts.NoNewKeyring = true
+	return nil
+}
+
+// WithNoPivotRoot instructs the runtime not to you pivot_root
+func WithNoPivotRoot(_ context.Context, _ *Client, info *TaskInfo) error {
+	if info.Options == nil {
+		info.Options = &runctypes.CreateOptions{
+			NoPivotRoot: true,
+		}
+		return nil
+	}
+	opts, ok := info.Options.(*runctypes.CreateOptions)
+	if !ok {
+		return errors.New("invalid options type, expected runctypes.CreateOptions")
+	}
+	opts.NoPivotRoot = true
+	return nil
+}