v2podman run

add the ability to run a container

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

4 files changed, 100 insertions, 0 deletions

diff --git a/pkg/domain/entities/containers.go b/pkg/domain/entities/containers.go
index 4f94e009f..5d302058b 100644
--- a/pkg/domain/entities/containers.go
+++ b/pkg/domain/entities/containers.go
@@ -6,6 +6,7 @@ import (
 	"time"
 
 	"github.com/containers/libpod/libpod/define"
+	"github.com/containers/libpod/pkg/specgen"
 )
 
 type WaitOptions struct {
@@ -224,3 +225,23 @@ type ContainerListOptions struct {
 	Sync      bool
 	Watch     uint
 }
+
+// ContainerRunOptions describes the options needed
+// to run a container from the CLI
+type ContainerRunOptions struct {
+	Detach       bool
+	DetachKeys   string
+	ErrorStream  *os.File
+	InputStream  *os.File
+	OutputStream *os.File
+	Rm           bool
+	SigProxy     bool
+	Spec         *specgen.SpecGenerator
+}
+
+// ContainerRunReport describes the results of running
+//a container
+type ContainerRunReport struct {
+	ExitCode int
+	Id       string
+}
diff --git a/pkg/domain/entities/engine_container.go b/pkg/domain/entities/engine_container.go
index 36c20c38d..576ce1658 100644
--- a/pkg/domain/entities/engine_container.go
+++ b/pkg/domain/entities/engine_container.go
@@ -23,6 +23,7 @@ type ContainerEngine interface {
 	ContainerRestart(ctx context.Context, namesOrIds []string, options RestartOptions) ([]*RestartReport, error)
 	ContainerRm(ctx context.Context, namesOrIds []string, options RmOptions) ([]*RmReport, error)
 	ContainerStart(ctx context.Context, namesOrIds []string, options ContainerStartOptions) ([]*ContainerStartReport, error)
+	ContainerRun(ctx context.Context, opts ContainerRunOptions) (*ContainerRunReport, error)
 	ContainerStop(ctx context.Context, namesOrIds []string, options StopOptions) ([]*StopReport, error)
 	ContainerTop(ctx context.Context, options TopOptions) (*StringSliceReport, error)
 	ContainerUnpause(ctx context.Context, namesOrIds []string, options PauseUnPauseOptions) ([]*PauseUnpauseReport, error)
diff --git a/pkg/domain/infra/abi/containers.go b/pkg/domain/infra/abi/containers.go
index 54f91a189..828ee56f0 100644
--- a/pkg/domain/infra/abi/containers.go
+++ b/pkg/domain/infra/abi/containers.go
@@ -622,3 +622,77 @@ func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []stri
 func (ic *ContainerEngine) ContainerList(ctx context.Context, options entities.ContainerListOptions) ([]entities.ListContainer, error) {
 	return ps.GetContainerLists(ic.Libpod, options)
 }
+
+func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.ContainerRunOptions) (*entities.ContainerRunReport, error) {
+	var (
+		joinPod bool
+	)
+	if err := generate.CompleteSpec(ctx, ic.Libpod, opts.Spec); err != nil {
+		return nil, err
+	}
+	ctr, err := generate.MakeContainer(ic.Libpod, opts.Spec)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(ctr.PodID()) > 0 {
+		joinPod = true
+	}
+	report := entities.ContainerRunReport{Id: ctr.ID()}
+
+	if logrus.GetLevel() == logrus.DebugLevel {
+		cgroupPath, err := ctr.CGroupPath()
+		if err == nil {
+			logrus.Debugf("container %q has CgroupParent %q", ctr.ID(), cgroupPath)
+		}
+	}
+	if opts.Detach {
+		// if the container was created as part of a pod, also start its dependencies, if any.
+		if err := ctr.Start(ctx, joinPod); err != nil {
+			// This means the command did not exist
+			report.ExitCode = define.ExitCode(err)
+			return &report, err
+		}
+
+		return &report, nil
+	}
+
+	// if the container was created as part of a pod, also start its dependencies, if any.
+	if err := terminal.StartAttachCtr(ctx, ctr, opts.OutputStream, opts.ErrorStream, opts.InputStream, opts.DetachKeys, opts.SigProxy, true, joinPod); err != nil {
+		// We've manually detached from the container
+		// Do not perform cleanup, or wait for container exit code
+		// Just exit immediately
+		if errors.Cause(err) == define.ErrDetach {
+			report.ExitCode = 0
+			return &report, nil
+		}
+		if opts.Rm {
+			if deleteError := ic.Libpod.RemoveContainer(ctx, ctr, true, false); deleteError != nil {
+				logrus.Debugf("unable to remove container %s after failing to start and attach to it", ctr.ID())
+			}
+		}
+		if errors.Cause(err) == define.ErrWillDeadlock {
+			logrus.Debugf("Deadlock error on %q: %v", ctr.ID(), err)
+			report.ExitCode = define.ExitCode(err)
+			return &report, errors.Errorf("attempting to start container %s would cause a deadlock; please run 'podman system renumber' to resolve", ctr.ID())
+		}
+		report.ExitCode = define.ExitCode(err)
+		return &report, err
+	}
+
+	if ecode, err := ctr.Wait(); err != nil {
+		if errors.Cause(err) == define.ErrNoSuchCtr {
+			// Check events
+			event, err := ic.Libpod.GetLastContainerEvent(ctr.ID(), events.Exited)
+			if err != nil {
+				logrus.Errorf("Cannot get exit code: %v", err)
+				report.ExitCode = define.ExecErrorCodeNotFound
+			} else {
+				report.ExitCode = event.ContainerExitCode
+			}
+		}
+	} else {
+		report.ExitCode = int(ecode)
+	}
+	return &report, nil
+}
diff --git a/pkg/domain/infra/tunnel/containers.go b/pkg/domain/infra/tunnel/containers.go
index b6807d5b6..e96200c5b 100644
--- a/pkg/domain/infra/tunnel/containers.go
+++ b/pkg/domain/infra/tunnel/containers.go
@@ -320,3 +320,7 @@ func (ic *ContainerEngine) ContainerStart(ctx context.Context, namesOrIds []stri
 func (ic *ContainerEngine) ContainerList(ctx context.Context, options entities.ContainerListOptions) ([]entities.ListContainer, error) {
 	return containers.List(ic.ClientCxt, options.Filters, &options.All, &options.Last, &options.Pod, &options.Size, &options.Sync)
 }
+
+func (ic *ContainerEngine) ContainerRun(ctx context.Context, opts entities.ContainerRunOptions) (*entities.ContainerRunReport, error) {
+	return nil, errors.New("not implemented")
+}