Always pass pod into MakeContainerConfig

Play kube was passing the pod, but CreateConfig was not. Unify it
so they both do, so we can remove some unnecessary duplicate
lookup code.

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

3 files changed, 20 insertions, 9 deletions

diff --git a/cmd/podman/shared/create.go b/cmd/podman/shared/create.go
index ab695bcf4..ebc42457b 100644
--- a/cmd/podman/shared/create.go
+++ b/cmd/podman/shared/create.go
@@ -114,6 +114,7 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
 			}
 		}
 	}
+
 	createConfig, err := ParseCreateOpts(ctx, c, runtime, imageName, data)
 	if err != nil {
 		return nil, nil, err
@@ -123,7 +124,16 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
 	// at this point. The rest is done by WithOptions.
 	createConfig.HealthCheck = healthCheck
 
-	ctr, err := CreateContainerFromCreateConfig(runtime, createConfig, ctx, nil)
+	// TODO: Should be able to return this from ParseCreateOpts
+	var pod *libpod.Pod
+	if createConfig.Pod != "" {
+		pod, err = runtime.LookupPod(createConfig.Pod)
+		if err != nil {
+			return nil, nil, errors.Wrapf(err, "error looking up pod to join")
+		}
+	}
+
+	ctr, err := CreateContainerFromCreateConfig(runtime, createConfig, ctx, pod)
 	if err != nil {
 		return nil, nil, err
 	}
diff --git a/pkg/spec/containerconfig.go b/pkg/spec/containerconfig.go
index 775a2042d..87c1b5155 100644
--- a/pkg/spec/containerconfig.go
+++ b/pkg/spec/containerconfig.go
@@ -3,11 +3,18 @@ package createconfig
 import (
 	"github.com/containers/libpod/libpod"
 	spec "github.com/opencontainers/runtime-spec/specs-go"
+	"github.com/pkg/errors"
 )
 
 // MakeContainerConfig generates all configuration necessary to start a
 // container with libpod from a completed CreateConfig struct.
 func (config *CreateConfig) MakeContainerConfig(runtime *libpod.Runtime, pod *libpod.Pod) (*spec.Spec, []libpod.CtrCreateOption, error) {
+	if config.Pod != "" && pod == nil {
+		return nil, nil, errors.Wrapf(libpod.ErrInvalidArg, "pod was specified but no pod passed")
+	} else if config.Pod == "" && pod != nil {
+		return nil, nil, errors.Wrapf(libpod.ErrInvalidArg, "pod was given but no pod is specified")
+	}
+
 	runtimeSpec, namedVolumes, err := config.createConfigToOCISpec(runtime)
 	if err != nil {
 		return nil, nil, err
diff --git a/pkg/spec/createconfig.go b/pkg/spec/createconfig.go
index d2ae99de6..80c7b586c 100644
--- a/pkg/spec/createconfig.go
+++ b/pkg/spec/createconfig.go
@@ -408,16 +408,10 @@ func (c *CreateConfig) getContainerCreateOptions(runtime *libpod.Runtime, pod *l
 		options = append(options, libpod.WithSystemd())
 	}
 	if c.Name != "" {
-		logrus.Debugf("appending name %s", c.Name)
+		logrus.Debugf("setting container name %s", c.Name)
 		options = append(options, libpod.WithName(c.Name))
 	}
-	if c.Pod != "" || pod != nil {
-		if pod == nil {
-			pod, err = runtime.LookupPod(c.Pod)
-			if err != nil {
-				return nil, errors.Wrapf(err, "unable to add container to pod %s", c.Pod)
-			}
-		}
+	if c.Pod != "" {
 		logrus.Debugf("adding container to pod %s", c.Pod)
 		options = append(options, runtime.WithPod(pod))
 	}