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refactor(btrfs): separate init from implementation

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Part of #4513

Signed-off-by: Jian Zeng <anonymousknight96@gmail.com>
This commit is contained in:
Jian Zeng 2020-09-03 19:53:06 +08:00
parent 4154235735
commit a52daa26ae
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2 changed files with 3 additions and 16 deletions
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2
cmd/containerd/builtins_btrfs_linux.go
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@ -18,4 +18,4 @@
package main
import _ "github.com/containerd/containerd/snapshots/btrfs"
import _ "github.com/containerd/containerd/snapshots/btrfs/plugin"

17
snapshots/btrfs/btrfs.go
View File

@ -26,31 +26,18 @@ import (
"strings"
"github.com/containerd/btrfs"
"github.com/containerd/continuity/fs"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/mount"
"github.com/containerd/containerd/platforms"
"github.com/containerd/containerd/plugin"
"github.com/containerd/containerd/snapshots"
"github.com/containerd/containerd/snapshots/storage"
"github.com/containerd/continuity/fs"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
func init() {
plugin.Register(&plugin.Registration{
ID: "btrfs",
Type: plugin.SnapshotPlugin,
InitFn: func(ic *plugin.InitContext) (interface{}, error) {
ic.Meta.Platforms = []ocispec.Platform{platforms.DefaultSpec()}
ic.Meta.Exports = map[string]string{"root": ic.Root}
return NewSnapshotter(ic.Root)
},
})
}
type snapshotter struct {
device string // device of the root
root string // root provides paths for internal storage.