8cf3fad8d4
Add leases manager to the leases package and use the interface on the client and service. Signed-off-by: Derek McGowan <derek@mcgstyle.net>
41 lines
1.1 KiB
Go
41 lines
1.1 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 leases
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import "context"
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type leaseKey struct{}
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// WithLease sets a given lease on the context
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func WithLease(ctx context.Context, lid string) context.Context {
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ctx = context.WithValue(ctx, leaseKey{}, lid)
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// also store on the grpc headers so it gets picked up by any clients that
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// are using this.
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return withGRPCLeaseHeader(ctx, lid)
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}
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// FromContext returns the lease from the context.
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func FromContext(ctx context.Context) (string, bool) {
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lid, ok := ctx.Value(leaseKey{}).(string)
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if !ok {
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return fromGRPCHeader(ctx)
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}
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return lid, ok
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}
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