|
| 1 | +// +build linux |
| 2 | + |
| 3 | +/* |
| 4 | + Copyright The containerd Authors. |
| 5 | +
|
| 6 | + Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | + you may not use this file except in compliance with the License. |
| 8 | + You may obtain a copy of the License at |
| 9 | +
|
| 10 | + http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | +
|
| 12 | + Unless required by applicable law or agreed to in writing, software |
| 13 | + distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | + See the License for the specific language governing permissions and |
| 16 | + limitations under the License. |
| 17 | +*/ |
| 18 | + |
| 19 | +package plugin |
| 20 | + |
| 21 | +import ( |
| 22 | + "github.com/containerd/containerd/platforms" |
| 23 | + "github.com/containerd/containerd/plugin" |
| 24 | + "github.com/containerd/containerd/snapshots/devmapper" |
| 25 | + "github.com/pkg/errors" |
| 26 | +) |
| 27 | + |
| 28 | +func init() { |
| 29 | + plugin.Register(&plugin.Registration{ |
| 30 | + Type: plugin.SnapshotPlugin, |
| 31 | + ID: "devmapper", |
| 32 | + Config: &devmapper.Config{}, |
| 33 | + InitFn: func(ic *plugin.InitContext) (interface{}, error) { |
| 34 | + ic.Meta.Platforms = append(ic.Meta.Platforms, platforms.DefaultSpec()) |
| 35 | + |
| 36 | + config, ok := ic.Config.(*devmapper.Config) |
| 37 | + if !ok { |
| 38 | + return nil, errors.New("invalid devmapper configuration") |
| 39 | + } |
| 40 | + |
| 41 | + if config.PoolName == "" { |
| 42 | + return nil, errors.New("devmapper not configured") |
| 43 | + } |
| 44 | + |
| 45 | + if config.RootPath == "" { |
| 46 | + config.RootPath = ic.Root |
| 47 | + } |
| 48 | + |
| 49 | + return devmapper.NewSnapshotter(ic.Context, config) |
| 50 | + }, |
| 51 | + }) |
| 52 | +} |
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