From edddfe8c4f7761b12dc64ea4aa0a83b755aa124f Mon Sep 17 00:00:00 2001 From: flouthoc Date: Fri, 20 Aug 2021 14:22:54 +0530 Subject: volumes: Add support for exporting volumes to external tar Adds support for transferring data between systems and backing up systems. Use cases: recover from disasters or move data between machines. Signed-off-by: flouthoc --- pkg/domain/entities/engine_container.go | 1 + pkg/domain/infra/abi/volumes.go | 16 ++++++++++++++++ pkg/domain/infra/tunnel/volumes.go | 6 ++++++ 3 files changed, 23 insertions(+) (limited to 'pkg') diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go index d573e4704..5d3c9480e 100644 --- a/pkg/domain/entities/engine_container.go +++ b/pkg/domain/entities/engine_container.go @@ -92,6 +92,7 @@ type ContainerEngine interface { Version(ctx context.Context) (*SystemVersionReport, error) VolumeCreate(ctx context.Context, opts VolumeCreateOptions) (*IDOrNameResponse, error) VolumeExists(ctx context.Context, namesOrID string) (*BoolReport, error) + VolumeMounted(ctx context.Context, namesOrID string) (*BoolReport, error) VolumeInspect(ctx context.Context, namesOrIds []string, opts InspectOptions) ([]*VolumeInspectReport, []error, error) VolumeList(ctx context.Context, opts VolumeListOptions) ([]*VolumeListReport, error) VolumePrune(ctx context.Context, options VolumePruneOptions) ([]*reports.PruneReport, error) diff --git a/pkg/domain/infra/abi/volumes.go b/pkg/domain/infra/abi/volumes.go index e077b10ea..1610c0b48 100644 --- a/pkg/domain/infra/abi/volumes.go +++ b/pkg/domain/infra/abi/volumes.go @@ -162,3 +162,19 @@ func (ic *ContainerEngine) VolumeExists(ctx context.Context, nameOrID string) (* } return &entities.BoolReport{Value: exists}, nil } + +// Volumemounted check if a given volume using plugin or filesystem is mounted or not. +func (ic *ContainerEngine) VolumeMounted(ctx context.Context, nameOrID string) (*entities.BoolReport, error) { + vol, err := ic.Libpod.LookupVolume(nameOrID) + if err != nil { + return nil, err + } + mountCount, err := vol.MountCount() + if err != nil { + return &entities.BoolReport{Value: false}, nil + } + if mountCount > 0 { + return &entities.BoolReport{Value: true}, nil + } + return &entities.BoolReport{Value: false}, nil +} diff --git a/pkg/domain/infra/tunnel/volumes.go b/pkg/domain/infra/tunnel/volumes.go index 2d231bad6..2b2b2c2a1 100644 --- a/pkg/domain/infra/tunnel/volumes.go +++ b/pkg/domain/infra/tunnel/volumes.go @@ -91,3 +91,9 @@ func (ic *ContainerEngine) VolumeExists(ctx context.Context, nameOrID string) (* Value: exists, }, nil } + +// Volumemounted check if a given volume using plugin or filesystem is mounted or not. +// TODO: Not used and exposed to tunnel. Will be used by `export` command which is unavailable to `podman-remote` +func (ic *ContainerEngine) VolumeMounted(ctx context.Context, nameOrID string) (*entities.BoolReport, error) { + return nil, errors.New("not implemented") +} -- cgit v1.2.3-54-g00ecf