Move client to subpackage

Signed-off-by: Derek McGowan <derek@mcg.dev>

client/lease.go

@@ -0,0 +1,54 @@
+/*
+   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 client
+
+import (
+	"context"
+	"time"
+
+	"github.com/containerd/containerd/v2/leases"
+)
+
+// WithLease attaches a lease on the context
+func (c *Client) WithLease(ctx context.Context, opts ...leases.Opt) (context.Context, func(context.Context) error, error) {
+	nop := func(context.Context) error { return nil }
+
+	_, ok := leases.FromContext(ctx)
+	if ok {
+		return ctx, nop, nil
+	}
+
+	ls := c.LeasesService()
+
+	if len(opts) == 0 {
+		// Use default lease configuration if no options provided
+		opts = []leases.Opt{
+			leases.WithRandomID(),
+			leases.WithExpiration(24 * time.Hour),
+		}
+	}
+
+	l, err := ls.Create(ctx, opts...)
+	if err != nil {
+		return ctx, nop, err
+	}
+
+	ctx = leases.WithLease(ctx, l.ID)
+	return ctx, func(ctx context.Context) error {
+		return ls.Delete(ctx, l)
+	}, nil
+}