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-rw-r--r--cmd/podman/containers/create.go58
-rw-r--r--pkg/api/handlers/compat/containers_create.go5
-rw-r--r--pkg/api/handlers/libpod/images.go2
-rw-r--r--pkg/api/handlers/libpod/images_pull.go26
-rw-r--r--pkg/api/handlers/libpod/manifests.go2
-rw-r--r--pkg/api/handlers/utils/images.go25
-rw-r--r--pkg/api/server/register_images.go4
-rw-r--r--pkg/bindings/images/pull.go10
-rw-r--r--pkg/bindings/images/types.go3
-rw-r--r--pkg/bindings/images/types_pull_options.go16
-rw-r--r--pkg/domain/infra/tunnel/images.go2
-rw-r--r--pkg/errorhandling/errorhandling.go9
-rw-r--r--pkg/specgen/generate/container.go3
-rw-r--r--pkg/specgen/generate/container_create.go3
14 files changed, 88 insertions, 80 deletions
diff --git a/cmd/podman/containers/create.go b/cmd/podman/containers/create.go
index f06869c4e..52cf8fea4 100644
--- a/cmd/podman/containers/create.go
+++ b/cmd/podman/containers/create.go
@@ -8,7 +8,6 @@ import (
"strings"
"github.com/containers/common/pkg/config"
- storageTransport "github.com/containers/image/v5/storage"
"github.com/containers/image/v5/transports/alltransports"
"github.com/containers/podman/v3/cmd/podman/common"
"github.com/containers/podman/v3/cmd/podman/registry"
@@ -16,9 +15,7 @@ import (
"github.com/containers/podman/v3/pkg/domain/entities"
"github.com/containers/podman/v3/pkg/specgen"
"github.com/containers/podman/v3/pkg/util"
- "github.com/containers/storage"
"github.com/pkg/errors"
- "github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
@@ -238,30 +235,12 @@ func createInit(c *cobra.Command) error {
return nil
}
-// TODO: we should let the backend take care of the pull policy (which it
-// does!). The code below is at risk of causing regression and code divergence.
func pullImage(imageName string) (string, error) {
pullPolicy, err := config.ValidatePullPolicy(cliVals.Pull)
if err != nil {
return "", err
}
- // Check if the image is missing and hence if we need to pull it.
- imageMissing := true
- imageRef, err := alltransports.ParseImageName(imageName)
- switch {
- case err != nil:
- // Assume we specified a local image without the explicit storage transport.
- fallthrough
-
- case imageRef.Transport().Name() == storageTransport.Transport.Name():
- br, err := registry.ImageEngine().Exists(registry.GetContext(), imageName)
- if err != nil {
- return "", err
- }
- imageMissing = !br.Value
- }
-
if cliVals.Platform != "" || cliVals.Arch != "" || cliVals.OS != "" {
if cliVals.Platform != "" {
if cliVals.Arch != "" || cliVals.OS != "" {
@@ -273,31 +252,28 @@ func pullImage(imageName string) (string, error) {
cliVals.Arch = split[1]
}
}
+ }
- if pullPolicy != config.PullPolicyAlways {
- logrus.Info("--platform --arch and --os causes the pull policy to be \"always\"")
- pullPolicy = config.PullPolicyAlways
- }
+ pullReport, pullErr := registry.ImageEngine().Pull(registry.GetContext(), imageName, entities.ImagePullOptions{
+ Authfile: cliVals.Authfile,
+ Quiet: cliVals.Quiet,
+ Arch: cliVals.Arch,
+ OS: cliVals.OS,
+ Variant: cliVals.Variant,
+ SignaturePolicy: cliVals.SignaturePolicy,
+ PullPolicy: pullPolicy,
+ })
+ if pullErr != nil {
+ return "", pullErr
}
- if imageMissing || pullPolicy == config.PullPolicyAlways {
- if pullPolicy == config.PullPolicyNever {
- return "", errors.Wrap(storage.ErrImageUnknown, imageName)
- }
- pullReport, pullErr := registry.ImageEngine().Pull(registry.GetContext(), imageName, entities.ImagePullOptions{
- Authfile: cliVals.Authfile,
- Quiet: cliVals.Quiet,
- Arch: cliVals.Arch,
- OS: cliVals.OS,
- Variant: cliVals.Variant,
- SignaturePolicy: cliVals.SignaturePolicy,
- PullPolicy: pullPolicy,
- })
- if pullErr != nil {
- return "", pullErr
- }
+ // Return the input name such that the image resolves to correct
+ // repo/tag in the backend (see #8082). Unless we're referring to
+ // the image via a transport.
+ if _, err := alltransports.ParseImageName(imageName); err == nil {
imageName = pullReport.Images[0]
}
+
return imageName, nil
}
diff --git a/pkg/api/handlers/compat/containers_create.go b/pkg/api/handlers/compat/containers_create.go
index 162a98135..15eb86422 100644
--- a/pkg/api/handlers/compat/containers_create.go
+++ b/pkg/api/handlers/compat/containers_create.go
@@ -71,13 +71,12 @@ func CreateContainer(w http.ResponseWriter, r *http.Request) {
imgNameOrID := newImage.ID()
// if the img had multi names with the same sha256 ID, should use the InputName, not the ID
if len(newImage.Names()) > 1 {
- imageRef, err := utils.ParseDockerReference(resolvedName)
- if err != nil {
+ if err := utils.IsRegistryReference(resolvedName); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
// maybe the InputName has no tag, so use full name to display
- imgNameOrID = imageRef.DockerReference().String()
+ imgNameOrID = resolvedName
}
sg := specgen.NewSpecGenerator(imgNameOrID, cliOpts.RootFS)
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index a90408bfd..fc6ab4b4c 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -482,7 +482,7 @@ func PushImage(w http.ResponseWriter, r *http.Request) {
destination = source
}
- if _, err := utils.ParseDockerReference(destination); err != nil {
+ if err := utils.IsRegistryReference(destination); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
diff --git a/pkg/api/handlers/libpod/images_pull.go b/pkg/api/handlers/libpod/images_pull.go
index 73d08a26e..04b415638 100644
--- a/pkg/api/handlers/libpod/images_pull.go
+++ b/pkg/api/handlers/libpod/images_pull.go
@@ -26,14 +26,16 @@ func ImagesPull(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
decoder := r.Context().Value("decoder").(*schema.Decoder)
query := struct {
- Reference string `schema:"reference"`
- OS string `schema:"OS"`
- Arch string `schema:"Arch"`
- Variant string `schema:"Variant"`
- TLSVerify bool `schema:"tlsVerify"`
- AllTags bool `schema:"allTags"`
+ Reference string `schema:"reference"`
+ OS string `schema:"OS"`
+ Arch string `schema:"Arch"`
+ Variant string `schema:"Variant"`
+ TLSVerify bool `schema:"tlsVerify"`
+ AllTags bool `schema:"allTags"`
+ PullPolicy string `schema:"policy"`
}{
- TLSVerify: true,
+ TLSVerify: true,
+ PullPolicy: "always",
}
if err := decoder.Decode(&query, r.URL.Query()); err != nil {
@@ -48,7 +50,7 @@ func ImagesPull(w http.ResponseWriter, r *http.Request) {
}
// Make sure that the reference has no transport or the docker one.
- if _, err := utils.ParseDockerReference(query.Reference); err != nil {
+ if err := utils.IsRegistryReference(query.Reference); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
@@ -83,12 +85,18 @@ func ImagesPull(w http.ResponseWriter, r *http.Request) {
pullOptions.Writer = writer
+ pullPolicy, err := config.ParsePullPolicy(query.PullPolicy)
+ if err != nil {
+ utils.Error(w, "failed to parse pull policy", http.StatusBadRequest, err)
+ return
+ }
+
var pulledImages []*libimage.Image
var pullError error
runCtx, cancel := context.WithCancel(r.Context())
go func() {
defer cancel()
- pulledImages, pullError = runtime.LibimageRuntime().Pull(runCtx, query.Reference, config.PullPolicyAlways, pullOptions)
+ pulledImages, pullError = runtime.LibimageRuntime().Pull(runCtx, query.Reference, pullPolicy, pullOptions)
}()
flush := func() {
diff --git a/pkg/api/handlers/libpod/manifests.go b/pkg/api/handlers/libpod/manifests.go
index f21eb2e80..2f36db583 100644
--- a/pkg/api/handlers/libpod/manifests.go
+++ b/pkg/api/handlers/libpod/manifests.go
@@ -169,7 +169,7 @@ func ManifestPush(w http.ResponseWriter, r *http.Request) {
errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
return
}
- if _, err := utils.ParseDockerReference(query.Destination); err != nil {
+ if err := utils.IsRegistryReference(query.Destination); err != nil {
utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err)
return
}
diff --git a/pkg/api/handlers/utils/images.go b/pkg/api/handlers/utils/images.go
index 2662cd368..2a1908d63 100644
--- a/pkg/api/handlers/utils/images.go
+++ b/pkg/api/handlers/utils/images.go
@@ -15,22 +15,19 @@ import (
"github.com/pkg/errors"
)
-// ParseDockerReference parses the specified image name to a
-// `types.ImageReference` and enforces it to refer to a docker-transport
-// reference.
-func ParseDockerReference(name string) (types.ImageReference, error) {
- dockerPrefix := fmt.Sprintf("%s://", docker.Transport.Name())
+// IsRegistryReference checks if the specified name points to the "docker://"
+// transport. If it points to no supported transport, we'll assume a
+// non-transport reference pointing to an image (e.g., "fedora:latest").
+func IsRegistryReference(name string) error {
imageRef, err := alltransports.ParseImageName(name)
- if err == nil && imageRef.Transport().Name() != docker.Transport.Name() {
- return nil, errors.Errorf("reference %q must be a docker reference", name)
- } else if err != nil {
- origErr := err
- imageRef, err = alltransports.ParseImageName(fmt.Sprintf("%s%s", dockerPrefix, name))
- if err != nil {
- return nil, errors.Wrapf(origErr, "reference %q must be a docker reference", name)
- }
+ if err != nil {
+ // No supported transport -> assume a docker-stype reference.
+ return nil
}
- return imageRef, nil
+ if imageRef.Transport().Name() == docker.Transport.Name() {
+ return nil
+ }
+ return errors.Errorf("unsupport transport %s in %q: only docker transport is supported", imageRef.Transport().Name(), name)
}
// ParseStorageReference parses the specified image name to a
diff --git a/pkg/api/server/register_images.go b/pkg/api/server/register_images.go
index b32c0df20..2641809ee 100644
--- a/pkg/api/server/register_images.go
+++ b/pkg/api/server/register_images.go
@@ -964,6 +964,10 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
// description: Pull image for the specified variant.
// type: string
// - in: query
+ // name: policy
+ // description: Pull policy, "always" (default), "missing", "newer", "never".
+ // type: string
+ // - in: query
// name: tlsVerify
// description: Require TLS verification.
// type: boolean
diff --git a/pkg/bindings/images/pull.go b/pkg/bindings/images/pull.go
index 9780c3bff..7dfe9560c 100644
--- a/pkg/bindings/images/pull.go
+++ b/pkg/bindings/images/pull.go
@@ -13,7 +13,7 @@ import (
"github.com/containers/podman/v3/pkg/auth"
"github.com/containers/podman/v3/pkg/bindings"
"github.com/containers/podman/v3/pkg/domain/entities"
- "github.com/hashicorp/go-multierror"
+ "github.com/containers/podman/v3/pkg/errorhandling"
"github.com/pkg/errors"
)
@@ -65,7 +65,7 @@ func Pull(ctx context.Context, rawImage string, options *PullOptions) ([]string,
dec := json.NewDecoder(response.Body)
var images []string
- var mErr error
+ var pullErrors []error
for {
var report entities.ImagePullReport
if err := dec.Decode(&report); err != nil {
@@ -77,7 +77,7 @@ func Pull(ctx context.Context, rawImage string, options *PullOptions) ([]string,
select {
case <-response.Request.Context().Done():
- return images, mErr
+ break
default:
// non-blocking select
}
@@ -86,7 +86,7 @@ func Pull(ctx context.Context, rawImage string, options *PullOptions) ([]string,
case report.Stream != "":
fmt.Fprint(stderr, report.Stream)
case report.Error != "":
- mErr = multierror.Append(mErr, errors.New(report.Error))
+ pullErrors = append(pullErrors, errors.New(report.Error))
case len(report.Images) > 0:
images = report.Images
case report.ID != "":
@@ -94,5 +94,5 @@ func Pull(ctx context.Context, rawImage string, options *PullOptions) ([]string,
return images, errors.Errorf("failed to parse pull results stream, unexpected input: %v", report)
}
}
- return images, mErr
+ return images, errorhandling.JoinErrors(pullErrors)
}
diff --git a/pkg/bindings/images/types.go b/pkg/bindings/images/types.go
index 1f3e46729..0aa75a81e 100644
--- a/pkg/bindings/images/types.go
+++ b/pkg/bindings/images/types.go
@@ -147,6 +147,9 @@ type PullOptions struct {
// OS will overwrite the local operating system (OS) for image
// pulls.
OS *string
+ // Policy is the pull policy. Supported values are "missing", "never",
+ // "newer", "always". An empty string defaults to "always".
+ Policy *string
// Password for authenticating against the registry.
Password *string
// Quiet can be specified to suppress pull progress when pulling. Ignored
diff --git a/pkg/bindings/images/types_pull_options.go b/pkg/bindings/images/types_pull_options.go
index 0611c4447..8fcf499eb 100644
--- a/pkg/bindings/images/types_pull_options.go
+++ b/pkg/bindings/images/types_pull_options.go
@@ -84,6 +84,22 @@ func (o *PullOptions) GetOS() string {
return *o.OS
}
+// WithPolicy
+func (o *PullOptions) WithPolicy(value string) *PullOptions {
+ v := &value
+ o.Policy = v
+ return o
+}
+
+// GetPolicy
+func (o *PullOptions) GetPolicy() string {
+ var policy string
+ if o.Policy == nil {
+ return policy
+ }
+ return *o.Policy
+}
+
// WithPassword
func (o *PullOptions) WithPassword(value string) *PullOptions {
v := &value
diff --git a/pkg/domain/infra/tunnel/images.go b/pkg/domain/infra/tunnel/images.go
index 3fd9a755d..42027a2dc 100644
--- a/pkg/domain/infra/tunnel/images.go
+++ b/pkg/domain/infra/tunnel/images.go
@@ -107,7 +107,7 @@ func (ir *ImageEngine) Pull(ctx context.Context, rawImage string, opts entities.
options := new(images.PullOptions)
options.WithAllTags(opts.AllTags).WithAuthfile(opts.Authfile).WithArch(opts.Arch).WithOS(opts.OS)
options.WithVariant(opts.Variant).WithPassword(opts.Password)
- options.WithQuiet(opts.Quiet).WithUsername(opts.Username)
+ options.WithQuiet(opts.Quiet).WithUsername(opts.Username).WithPolicy(opts.PullPolicy.String())
if s := opts.SkipTLSVerify; s != types.OptionalBoolUndefined {
if s == types.OptionalBoolTrue {
options.WithSkipTLSVerify(true)
diff --git a/pkg/errorhandling/errorhandling.go b/pkg/errorhandling/errorhandling.go
index 9b1740006..6adbc9f34 100644
--- a/pkg/errorhandling/errorhandling.go
+++ b/pkg/errorhandling/errorhandling.go
@@ -15,6 +15,12 @@ func JoinErrors(errs []error) error {
return nil
}
+ // If there's just one error, return it. This prevents the "%d errors
+ // occurred:" header plus list from the multierror package.
+ if len(errs) == 1 {
+ return errs[0]
+ }
+
// `multierror` appends new lines which we need to remove to prevent
// blank lines when printing the error.
var multiE *multierror.Error
@@ -24,9 +30,6 @@ func JoinErrors(errs []error) error {
if finalErr == nil {
return finalErr
}
- if len(multiE.WrappedErrors()) == 1 && logrus.IsLevelEnabled(logrus.TraceLevel) {
- return multiE.WrappedErrors()[0]
- }
return errors.New(strings.TrimSpace(finalErr.Error()))
}
diff --git a/pkg/specgen/generate/container.go b/pkg/specgen/generate/container.go
index d00e51e82..e7276892d 100644
--- a/pkg/specgen/generate/container.go
+++ b/pkg/specgen/generate/container.go
@@ -24,7 +24,8 @@ func CompleteSpec(ctx context.Context, r *libpod.Runtime, s *specgen.SpecGenerat
var inspectData *libimage.ImageData
var err error
if s.Image != "" {
- newImage, _, err = r.LibimageRuntime().LookupImage(s.Image, nil)
+ lookupOptions := &libimage.LookupImageOptions{IgnorePlatform: true}
+ newImage, _, err = r.LibimageRuntime().LookupImage(s.Image, lookupOptions)
if err != nil {
return nil, err
}
diff --git a/pkg/specgen/generate/container_create.go b/pkg/specgen/generate/container_create.go
index 7682367b7..e53032ebe 100644
--- a/pkg/specgen/generate/container_create.go
+++ b/pkg/specgen/generate/container_create.go
@@ -92,7 +92,8 @@ func MakeContainer(ctx context.Context, rt *libpod.Runtime, s *specgen.SpecGener
options = append(options, libpod.WithRootFS(s.Rootfs))
} else {
var resolvedImageName string
- newImage, resolvedImageName, err = rt.LibimageRuntime().LookupImage(s.Image, nil)
+ lookupOptions := &libimage.LookupImageOptions{IgnorePlatform: true}
+ newImage, resolvedImageName, err = rt.LibimageRuntime().LookupImage(s.Image, lookupOptions)
if err != nil {
return nil, err
}