v2podman attach and exec

add the ability to attach to a running container.  the tunnel side of this is not enabled yet as we have work on the endpoints and plumbing to do yet.

add the ability to exec a command in a running container.  the tunnel side is also being deferred for same reason.

Signed-off-by: Brent Baude <bbaude@redhat.com>

2 files changed, 31 insertions, 0 deletions

diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index 74b23cd71..cf907eb1b 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -2,6 +2,7 @@ package entities
 
 import (
 	"io"
+	"os"
 	"time"
 
 	"github.com/containers/libpod/libpod/define"
@@ -157,3 +158,31 @@ type RestoreReport struct {
 type ContainerCreateReport struct {
 	Id string
 }
+
+// AttachOptions describes the cli and other values
+// needed to perform an attach
+type AttachOptions struct {
+	DetachKeys string
+	Latest     bool
+	NoStdin    bool
+	SigProxy   bool
+	Stdin      *os.File
+	Stdout     *os.File
+	Stderr     *os.File
+}
+
+// ExecOptions describes the cli values to exec into
+// a container
+type ExecOptions struct {
+	Cmd         []string
+	DetachKeys  string
+	Envs        map[string]string
+	Interactive bool
+	Latest      bool
+	PreserveFDs uint
+	Privileged  bool
+	Streams     define.AttachStreams
+	Tty         bool
+	User        string
+	WorkDir     string
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index 025da50f3..262945cd7 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -8,10 +8,12 @@ import (
 )
 
 type ContainerEngine interface {
+	ContainerAttach(ctx context.Context, nameOrId string, options AttachOptions) error
 	ContainerCommit(ctx context.Context, nameOrId string, options CommitOptions) (*CommitReport, error)
 	ContainerCheckpoint(ctx context.Context, namesOrIds []string, options CheckpointOptions) ([]*CheckpointReport, error)
 	ContainerRestore(ctx context.Context, namesOrIds []string, options RestoreOptions) ([]*RestoreReport, error)
 	ContainerCreate(ctx context.Context, s *specgen.SpecGenerator) (*ContainerCreateReport, error)
+	ContainerExec(ctx context.Context, nameOrId string, options ExecOptions) (int, error)
 	ContainerExists(ctx context.Context, nameOrId string) (*BoolReport, error)
 	ContainerInspect(ctx context.Context, namesOrIds []string, options InspectOptions) ([]*ContainerInspectReport, error)
 	ContainerExport(ctx context.Context, nameOrId string, options ContainerExportOptions) error