90 lines
3.6 KiB
Go
90 lines
3.6 KiB
Go
/*
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Copyright 2023 The Kubernetes 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 group_snapshotter
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import (
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"context"
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"github.com/container-storage-interface/spec/lib/go/csi"
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"github.com/golang/protobuf/ptypes"
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csirpc "github.com/kubernetes-csi/csi-lib-utils/rpc"
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"google.golang.org/grpc"
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klog "k8s.io/klog/v2"
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"time"
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)
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// GroupSnapshotter implements CreateGroupSnapshot/DeleteGroupSnapshot operations against a remote CSI driver.
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type GroupSnapshotter interface {
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// CreateGroupSnapshot creates a snapshot for a volume
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CreateGroupSnapshot(ctx context.Context, groupSnapshotName string, volumeIDs []string, parameters map[string]string, snapshotterCredentials map[string]string) (driverName string, snapshotId string, snapshots []*csi.Snapshot, timestamp time.Time, readyToUse bool, err error)
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// DeleteGroupSnapshot deletes a snapshot from a volume
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DeleteGroupSnapshot(ctx context.Context, snapshotID string, snapshotterCredentials map[string]string) (err error)
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// GetGroupSnapshotStatus returns if a snapshot is ready to use, creation time, and restore size.
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GetGroupSnapshotStatus(ctx context.Context, snapshotID string, snapshotterListCredentials map[string]string) (bool, time.Time, error)
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}
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type groupSnapshot struct {
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conn *grpc.ClientConn
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}
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func NewGroupSnapshotter(conn *grpc.ClientConn) GroupSnapshotter {
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return &groupSnapshot{
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conn: conn,
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}
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}
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func (gs *groupSnapshot) CreateGroupSnapshot(ctx context.Context, groupSnapshotName string, volumeIDs []string, parameters map[string]string, snapshotterCredentials map[string]string) (string, string, []*csi.Snapshot, time.Time, bool, error) {
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klog.V(5).Infof("CSI CreateSnapshot: %s", groupSnapshotName)
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client := csi.NewGroupControllerClient(gs.conn)
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driverName, err := csirpc.GetDriverName(ctx, gs.conn)
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if err != nil {
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return "", "", nil, time.Time{}, false, err
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}
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req := csi.CreateVolumeGroupSnapshotRequest{
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Name: groupSnapshotName,
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SourceVolumeIds: volumeIDs,
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Secrets: snapshotterCredentials,
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Parameters: parameters,
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}
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rsp, err := client.CreateVolumeGroupSnapshot(ctx, &req)
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if err != nil {
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return "", "", nil, time.Time{}, false, err
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}
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klog.V(5).Infof("CSI CreateSnapshot: %s driver name [%s] snapshot ID [%s] time stamp [%v] snapshots [%v] readyToUse [%v]", groupSnapshotName, driverName, rsp.GroupSnapshot.GroupSnapshotId, rsp.GroupSnapshot.CreationTime, rsp.GroupSnapshot.Snapshots, rsp.GroupSnapshot.ReadyToUse)
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creationTime, err := ptypes.Timestamp(rsp.GroupSnapshot.CreationTime)
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if err != nil {
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return "", "", nil, time.Time{}, false, err
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}
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return driverName, rsp.GroupSnapshot.GroupSnapshotId, rsp.GroupSnapshot.Snapshots, creationTime, rsp.GroupSnapshot.ReadyToUse, nil
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}
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func (gs *groupSnapshot) DeleteGroupSnapshot(ctx context.Context, snapshotID string, snapshotterCredentials map[string]string) error {
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// TODO: Implement DeleteGroupSnapshot
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return nil
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}
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func (gs *groupSnapshot) GetGroupSnapshotStatus(ctx context.Context, snapshotID string, snapshotterListCredentials map[string]string) (bool, time.Time, error) {
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// TODO: Implement GetGroupSnapshotStatus
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return true, time.Now(), nil
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}
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