fe8da6dcaf
Create lease plugin type to separate lease manager from services plugin. This allows other service plugins to depend on the lease manager. Signed-off-by: Derek McGowan <derek@mcg.dev>
83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
/*
|
|
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 plugin
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/containerd/containerd/gc"
|
|
"github.com/containerd/containerd/leases"
|
|
"github.com/containerd/containerd/metadata"
|
|
"github.com/containerd/containerd/plugin"
|
|
)
|
|
|
|
func init() {
|
|
plugin.Register(&plugin.Registration{
|
|
Type: plugin.LeasePlugin,
|
|
ID: "manager",
|
|
Requires: []plugin.Type{
|
|
plugin.MetadataPlugin,
|
|
plugin.GCPlugin,
|
|
},
|
|
InitFn: func(ic *plugin.InitContext) (interface{}, error) {
|
|
m, err := ic.Get(plugin.MetadataPlugin)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
g, err := ic.Get(plugin.GCPlugin)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &local{
|
|
Manager: metadata.NewLeaseManager(m.(*metadata.DB)),
|
|
gc: g.(gcScheduler),
|
|
}, nil
|
|
},
|
|
})
|
|
}
|
|
|
|
type gcScheduler interface {
|
|
ScheduleAndWait(context.Context) (gc.Stats, error)
|
|
}
|
|
|
|
type local struct {
|
|
leases.Manager
|
|
gc gcScheduler
|
|
}
|
|
|
|
func (l *local) Delete(ctx context.Context, lease leases.Lease, opts ...leases.DeleteOpt) error {
|
|
var do leases.DeleteOptions
|
|
for _, opt := range opts {
|
|
if err := opt(ctx, &do); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if err := l.Manager.Delete(ctx, lease); err != nil {
|
|
return err
|
|
}
|
|
|
|
if do.Synchronous {
|
|
if _, err := l.gc.ScheduleAndWait(ctx); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|