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authorGiuseppe Scrivano <gscrivan@redhat.com>2020-04-24 11:41:37 +0200
committerGiuseppe Scrivano <gscrivan@redhat.com>2020-04-24 12:56:20 +0200
commita3acc4f97775a446f93deeb924ab99b708bcfe88 (patch)
treefd10fd2f5b3be1931074c2b22858479d8035c567 /pkg
parent23d431f0bf4ef4e550d23b43264c2ffdc940c767 (diff)
downloadpodman-a3acc4f97775a446f93deeb924ab99b708bcfe88.tar.gz
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podman: add support for --rootfs
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
Diffstat (limited to 'pkg')
-rw-r--r--pkg/specgen/generate/config_linux_cgo.go3
-rw-r--r--pkg/specgen/generate/container.go6
-rw-r--r--pkg/specgen/generate/container_create.go16
-rw-r--r--pkg/specgen/specgen.go9
4 files changed, 25 insertions, 9 deletions
diff --git a/pkg/specgen/generate/config_linux_cgo.go b/pkg/specgen/generate/config_linux_cgo.go
index b06ef5c9a..5d629a6e6 100644
--- a/pkg/specgen/generate/config_linux_cgo.go
+++ b/pkg/specgen/generate/config_linux_cgo.go
@@ -24,6 +24,9 @@ func getSeccompConfig(s *specgen.SpecGenerator, configSpec *spec.Spec, img *imag
}
if scp == seccomp.PolicyImage {
+ if img == nil {
+ return nil, errors.New("cannot read seccomp profile without a valid image")
+ }
labels, err := img.Labels(context.Background())
if err != nil {
return nil, err
diff --git a/pkg/specgen/generate/container.go b/pkg/specgen/generate/container.go
index de3239fda..9797ad572 100644
--- a/pkg/specgen/generate/container.go
+++ b/pkg/specgen/generate/container.go
@@ -15,7 +15,11 @@ import (
func CompleteSpec(ctx context.Context, r *libpod.Runtime, s *specgen.SpecGenerator) error {
var appendEntryPoint bool
- // TODO add support for raw rootfs
+ // If a rootfs is used, then there is no image data
+ if s.ContainerStorageConfig.Rootfs != "" {
+ return nil
+ }
+
newImage, err := r.ImageRuntime().NewFromLocal(s.Image)
if err != nil {
return err
diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go
index 369c64e1f..49a717c5d 100644
--- a/pkg/specgen/generate/container_create.go
+++ b/pkg/specgen/generate/container_create.go
@@ -7,6 +7,7 @@ import (
"github.com/containers/common/pkg/config"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/define"
+ "github.com/containers/libpod/libpod/image"
"github.com/containers/libpod/pkg/specgen"
"github.com/containers/storage"
"github.com/pkg/errors"
@@ -84,13 +85,16 @@ func MakeContainer(rt *libpod.Runtime, s *specgen.SpecGenerator) (*libpod.Contai
return nil, err
}
options = append(options, createExitCommandOption(s, rt.StorageConfig(), rtc, podmanPath))
- newImage, err := rt.ImageRuntime().NewFromLocal(s.Image)
- if err != nil {
- return nil, err
+ var newImage *image.Image
+ if s.Rootfs != "" {
+ options = append(options, libpod.WithRootFS(s.Rootfs))
+ } else {
+ newImage, err = rt.ImageRuntime().NewFromLocal(s.Image)
+ if err != nil {
+ return nil, err
+ }
+ options = append(options, libpod.WithRootFSFromImage(newImage.ID(), s.Image, s.RawImageName))
}
-
- options = append(options, libpod.WithRootFSFromImage(newImage.ID(), s.Image, s.RawImageName))
-
if err := s.Validate(); err != nil {
return nil, errors.Wrap(err, "invalid config provided")
}
diff --git a/pkg/specgen/specgen.go b/pkg/specgen/specgen.go
index 37f2b3190..275af1f49 100644
--- a/pkg/specgen/specgen.go
+++ b/pkg/specgen/specgen.go
@@ -402,8 +402,13 @@ type NamedVolume struct {
}
// NewSpecGenerator returns a SpecGenerator struct given one of two mandatory inputs
-func NewSpecGenerator(image string) *SpecGenerator {
- csc := ContainerStorageConfig{Image: image}
+func NewSpecGenerator(arg string, rootfs bool) *SpecGenerator {
+ csc := ContainerStorageConfig{}
+ if rootfs {
+ csc.Rootfs = arg
+ } else {
+ csc.Image = arg
+ }
return &SpecGenerator{
ContainerStorageConfig: csc,
}