47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package containerd
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import (
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"context"
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"time"
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"github.com/containerd/containerd/leases"
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)
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// WithLease attaches a lease on the context
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func (c *Client) WithLease(ctx context.Context) (context.Context, func(context.Context) error, error) {
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_, ok := leases.FromContext(ctx)
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if ok {
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return ctx, func(context.Context) error {
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return nil
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}, nil
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}
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ls := c.LeasesService()
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l, err := ls.Create(ctx, leases.WithRandomID(), leases.WithExpiration(24*time.Hour))
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if err != nil {
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return nil, nil, err
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}
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ctx = leases.WithLease(ctx, l.ID)
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return ctx, func(ctx context.Context) error {
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return ls.Delete(ctx, l)
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}, nil
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}
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