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-rw-r--r--libpod/runtime_pod_infra_linux.go60
1 files changed, 60 insertions, 0 deletions
diff --git a/libpod/runtime_pod_infra_linux.go b/libpod/runtime_pod_infra_linux.go
new file mode 100644
index 000000000..9649a3138
--- /dev/null
+++ b/libpod/runtime_pod_infra_linux.go
@@ -0,0 +1,60 @@
+// +build linux
+
+package libpod
+
+import (
+ "context"
+
+ "github.com/containers/libpod/libpod/image"
+ "github.com/opencontainers/runtime-tools/generate"
+)
+
+const (
+ // IDTruncLength is the length of the pod's id that will be used to make the
+ // infra container name
+ IDTruncLength = 12
+)
+
+func (r *Runtime) makeInfraContainer(ctx context.Context, p *Pod, imgName, imgID string) (*Container, error) {
+
+ // Set up generator for infra container defaults
+ g, err := generate.New("linux")
+ if err != nil {
+ return nil, err
+ }
+
+ g.SetRootReadonly(true)
+ g.SetProcessArgs([]string{r.config.InfraCommand})
+
+ containerName := p.ID()[:IDTruncLength] + "-infra"
+ var options []CtrCreateOption
+ options = append(options, r.WithPod(p))
+ options = append(options, WithRootFSFromImage(imgID, imgName, false))
+ options = append(options, WithName(containerName))
+ options = append(options, withIsInfra())
+
+ return r.newContainer(ctx, g.Config, options...)
+}
+
+// createInfraContainer wrap creates an infra container for a pod.
+// An infra container becomes the basis for kernel namespace sharing between
+// containers in the pod.
+func (r *Runtime) createInfraContainer(ctx context.Context, p *Pod) (*Container, error) {
+ if !r.valid {
+ return nil, ErrRuntimeStopped
+ }
+
+ newImage, err := r.ImageRuntime().New(ctx, r.config.InfraImage, "", "", nil, nil, image.SigningOptions{}, false, false)
+ if err != nil {
+ return nil, err
+ }
+
+ data, err := newImage.Inspect(ctx)
+ if err != nil {
+ return nil, err
+ }
+ imageName := newImage.Names()[0]
+ imageID := data.ID
+
+ return r.makeInfraContainer(ctx, p, imageName, imageID)
+}